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wxWidgets/wxPython/contrib/gizmos/treelistctrl.cpp
Robin Dunn e1447a9737 Bugfix patch from Alberto 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24581 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-11-17 19:57:26 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: treelistctrl.cpp (derived by treectlg.h)
// Purpose: multi column tree control implementation
// Author: Robert Roebling
// Created: 01/02/97
// Modified: Alberto Griggio, 2002
// 22/10/98 - almost total rewrite, simpler interface (VZ)
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
// declarations
// ===========================================================================
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "treelistctrl.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include <wx/treebase.h>
#include <wx/timer.h>
#include <wx/textctrl.h>
#include <wx/imaglist.h>
#include <wx/settings.h>
#include <wx/dcclient.h>
#include <wx/dcscreen.h>
#include <wx/scrolwin.h>
//#include "wx/gizmos/treelistctrl.h"
#include "treelistctrl.h"
#ifdef __WXGTK__
#include <gtk/gtk.h>
#include <wx/gtk/win_gtk.h>
#endif
// ---------------------------------------------------------------------------
// array types
// ---------------------------------------------------------------------------
class wxTreeListItem;
WX_DEFINE_ARRAY(wxTreeListItem *, wxArrayTreeListItems);
#include <wx/dynarray.h>
WX_DECLARE_OBJARRAY(wxTreeListColumnInfo, wxArrayTreeListColumnInfo);
#include <wx/arrimpl.cpp>
WX_DEFINE_OBJARRAY(wxArrayTreeListColumnInfo);
#if !wxCHECK_VERSION(2, 3, 3)
WX_DEFINE_ARRAY(short, wxArrayShort);
#endif
// --------------------------------------------------------------------------
// constants
// --------------------------------------------------------------------------
static const int NO_IMAGE = -1;
#define PIXELS_PER_UNIT 10
const wxChar* wxTreeListCtrlNameStr = wxT("treelistctrl");
static wxTreeListColumnInfo wxInvalidTreeListColumnInfo;
// ---------------------------------------------------------------------------
// private classes
// ---------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// wxTreeListHeaderWindow (internal)
//-----------------------------------------------------------------------------
class wxTreeListHeaderWindow : public wxWindow
{
protected:
wxTreeListMainWindow *m_owner;
wxCursor *m_currentCursor;
wxCursor *m_resizeCursor;
bool m_isDragging;
// column being resized
int m_column;
// divider line position in logical (unscrolled) coords
int m_currentX;
// minimal position beyond which the divider line can't be dragged in
// logical coords
int m_minX;
wxArrayTreeListColumnInfo m_columns;
// total width of the columns
int m_total_col_width;
public:
wxTreeListHeaderWindow();
wxTreeListHeaderWindow( wxWindow *win,
wxWindowID id,
wxTreeListMainWindow *owner,
const wxPoint &pos = wxDefaultPosition,
const wxSize &size = wxDefaultSize,
long style = 0,
const wxString &name = wxT("wxtreelistctrlcolumntitles") );
virtual ~wxTreeListHeaderWindow();
void DoDrawRect( wxDC *dc, int x, int y, int w, int h );
void DrawCurrent();
void AdjustDC(wxDC& dc);
void OnPaint( wxPaintEvent &event );
void OnMouse( wxMouseEvent &event );
void OnSetFocus( wxFocusEvent &event );
// columns manipulation
size_t GetColumnCount() const { return m_columns.GetCount(); }
void AddColumn(const wxTreeListColumnInfo& col);
void InsertColumn(size_t before, const wxTreeListColumnInfo& col);
void RemoveColumn(size_t column);
void SetColumn(size_t column, const wxTreeListColumnInfo& info);
const wxTreeListColumnInfo& GetColumn(size_t column) const
{
wxCHECK_MSG(column < GetColumnCount(), wxInvalidTreeListColumnInfo, wxT("Invalid column"));
return m_columns[column];
}
wxTreeListColumnInfo& GetColumn(size_t column)
{
wxCHECK_MSG(column < GetColumnCount(), wxInvalidTreeListColumnInfo, wxT("Invalid column"));
return m_columns[column];
}
void SetColumnWidth(size_t column, size_t width);
void SetColumnText(size_t column, const wxString& text)
{
wxCHECK_RET(column < GetColumnCount(), wxT("Invalid column"));
m_columns[column].SetText(text);
}
wxString GetColumnText(size_t column) const
{
wxCHECK_MSG(column < GetColumnCount(), wxEmptyString, wxT("Invalid column"));
return m_columns[column].GetText();
}
int GetColumnWidth(size_t column) const
{
wxCHECK_MSG(column < GetColumnCount(), -1, wxT("Invalid column"));
return m_columns[column].GetWidth();
}
int GetWidth() const { return m_total_col_width; }
// needs refresh
bool m_dirty;
private:
// common part of all ctors
void Init();
void SendListEvent(wxEventType type, wxPoint pos);
DECLARE_DYNAMIC_CLASS(wxTreeListHeaderWindow)
DECLARE_EVENT_TABLE()
};
// this is the "true" control
class wxTreeListMainWindow: public wxScrolledWindow
{
public:
// creation
// --------
wxTreeListMainWindow() { Init(); }
wxTreeListMainWindow(wxTreeListCtrl *parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxTR_DEFAULT_STYLE,
const wxValidator &validator = wxDefaultValidator,
const wxString& name = wxT("wxtreelistmainwindow"))
{
Init();
Create(parent, id, pos, size, style, validator, name);
}
virtual ~wxTreeListMainWindow();
bool Create(wxTreeListCtrl *parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxTR_DEFAULT_STYLE,
const wxValidator &validator = wxDefaultValidator,
const wxString& name = wxT("wxtreelistctrl"));
// accessors
// ---------
// get the total number of items in the control
size_t GetCount() const;
// indent is the number of pixels the children are indented relative to
// the parents position. SetIndent() also redraws the control
// immediately.
unsigned int GetIndent() const { return m_indent; }
void SetIndent(unsigned int indent);
// spacing is the number of pixels between the start and the Text
unsigned int GetSpacing() const { return m_spacing; }
void SetSpacing(unsigned int spacing);
// see wxTreeListCtrl for the meaning
unsigned int GetLineSpacing() const { return m_linespacing; }
void SetLineSpacing(unsigned int spacing);
// image list: these functions allow to associate an image list with
// the control and retrieve it. Note that when assigned with
// SetImageList, the control does _not_ delete
// the associated image list when it's deleted in order to allow image
// lists to be shared between different controls. If you use
// AssignImageList, the control _does_ delete the image list.
//
// The normal image list is for the icons which correspond to the
// normal tree item state (whether it is selected or not).
// Additionally, the application might choose to show a state icon
// which corresponds to an app-defined item state (for example,
// checked/unchecked) which are taken from the state image list.
wxImageList *GetImageList() const;
wxImageList *GetStateImageList() const;
wxImageList *GetButtonsImageList() const;
void SetImageList(wxImageList *imageList);
void SetStateImageList(wxImageList *imageList);
void SetButtonsImageList(wxImageList *imageList);
void AssignImageList(wxImageList *imageList);
void AssignStateImageList(wxImageList *imageList);
void AssignButtonsImageList(wxImageList *imageList);
// Functions to work with tree ctrl items.
// accessors
// ---------
// retrieve item's label
wxString GetItemText(const wxTreeItemId& item) const
{ return GetItemText(item, GetMainColumn()); }
// get one of the images associated with the item (normal by default)
int GetItemImage(const wxTreeItemId& item,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const
{ return GetItemImage(item, GetMainColumn(), which); }
// get the data associated with the item
wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
bool GetItemBold(const wxTreeItemId& item) const;
wxColour GetItemTextColour(const wxTreeItemId& item) const;
wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
wxFont GetItemFont(const wxTreeItemId& item) const;
// modifiers
// ---------
// set item's label
void SetItemText(const wxTreeItemId& item, const wxString& text)
{ SetItemText(item, GetMainColumn(), text); }
// get one of the images associated with the item (normal by default)
void SetItemImage(const wxTreeItemId& item, int image,
wxTreeItemIcon which = wxTreeItemIcon_Normal)
{ SetItemImage(item, GetMainColumn(), image, which); }
// associate some data with the item
void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
// force appearance of [+] button near the item. This is useful to
// allow the user to expand the items which don't have any children now
// - but instead add them only when needed, thus minimizing memory
// usage and loading time.
void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE);
// the item will be shown in bold
void SetItemBold(const wxTreeItemId& item, bool bold = TRUE);
// set the item's text colour
void SetItemTextColour(const wxTreeItemId& item, const wxColour& col);
// set the item's background colour
void SetItemBackgroundColour(const wxTreeItemId& item,
const wxColour& col);
// set the item's font (should be of the same height for all items)
void SetItemFont(const wxTreeItemId& item, const wxFont& font);
// set the window font
virtual bool SetFont( const wxFont &font );
// set the styles. No need to specify a GetWindowStyle here since
// the base wxWindow member function will do it for us
void SetWindowStyle(const long styles);
// item status inquiries
// ---------------------
// is the item visible (it might be outside the view or not expanded)?
bool IsVisible(const wxTreeItemId& item) const;
// does the item has any children?
bool HasChildren(const wxTreeItemId& item) const
{ return ItemHasChildren(item); }
bool ItemHasChildren(const wxTreeItemId& item) const;
// is the item expanded (only makes sense if HasChildren())?
bool IsExpanded(const wxTreeItemId& item) const;
// is this item currently selected (the same as has focus)?
bool IsSelected(const wxTreeItemId& item) const;
// is item text in bold font?
bool IsBold(const wxTreeItemId& item) const;
// does the layout include space for a button?
// number of children
// ------------------
// if 'recursively' is FALSE, only immediate children count, otherwise
// the returned number is the number of all items in this branch
size_t GetChildrenCount(const wxTreeItemId& item, bool recursively = TRUE);
// navigation
// ----------
// wxTreeItemId.IsOk() will return FALSE if there is no such item
// get the root tree item
wxTreeItemId GetRootItem() const { return m_anchor; }
// get the item currently selected (may return NULL if no selection)
wxTreeItemId GetSelection() const { return m_current; }
// get the items currently selected, return the number of such item
size_t GetSelections(wxArrayTreeItemIds&) const;
// get the parent of this item (may return NULL if root)
wxTreeItemId GetParent(const wxTreeItemId& item) const;
// for this enumeration function you must pass in a "cookie" parameter
// which is opaque for the application but is necessary for the library
// to make these functions reentrant (i.e. allow more than one
// enumeration on one and the same object simultaneously). Of course,
// the "cookie" passed to GetFirstChild() and GetNextChild() should be
// the same!
// get the first child of this item
wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const;
// get the next child
wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const;
// get the last child of this item - this method doesn't use cookies
wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
// get the next sibling of this item
wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
// get the previous sibling
wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
// get first visible item
wxTreeItemId GetFirstVisibleItem() const;
// get the next visible item: item must be visible itself!
// see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
// get the previous visible item: item must be visible itself!
wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
// Only for internal use right now, but should probably be public
wxTreeItemId GetNext(const wxTreeItemId& item) const;
// operations
// ----------
// add the root node to the tree
wxTreeItemId AddRoot(const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item in as the first child of the parent
wxTreeItemId PrependItem(const wxTreeItemId& parent,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item after a given one
wxTreeItemId InsertItem(const wxTreeItemId& parent,
const wxTreeItemId& idPrevious,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item before the one with the given index
wxTreeItemId InsertItem(const wxTreeItemId& parent,
size_t index,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// insert a new item in as the last child of the parent
wxTreeItemId AppendItem(const wxTreeItemId& parent,
const wxString& text,
int image = -1, int selectedImage = -1,
wxTreeItemData *data = NULL);
// delete this item and associated data if any
void Delete(const wxTreeItemId& item);
// delete all children (but don't delete the item itself)
// NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
void DeleteChildren(const wxTreeItemId& item);
// delete all items from the tree
// NB: this won't send wxEVT_COMMAND_TREE_ITEM_DELETED events
void DeleteAllItems();
// expand this item
void Expand(const wxTreeItemId& item);
// expand this item and all subitems recursively
void ExpandAll(const wxTreeItemId& item);
// collapse the item without removing its children
void Collapse(const wxTreeItemId& item);
// collapse the item and remove all children
void CollapseAndReset(const wxTreeItemId& item);
// toggles the current state
void Toggle(const wxTreeItemId& item);
// remove the selection from currently selected item (if any)
void Unselect();
void UnselectAll();
// select this item
void SelectItem(const wxTreeItemId& item, bool unselect_others=TRUE,
bool extended_select=FALSE);
// make sure this item is visible (expanding the parent item and/or
// scrolling to this item if necessary)
void EnsureVisible(const wxTreeItemId& item);
// scroll to this item (but don't expand its parent)
void ScrollTo(const wxTreeItemId& item);
void AdjustMyScrollbars();
// The first function is more portable (because easier to implement
// on other platforms), but the second one returns some extra info.
wxTreeItemId HitTest(const wxPoint& point)
{ int dummy; return HitTest(point, dummy); }
wxTreeItemId HitTest(const wxPoint& point, int& flags)
{ int col; return HitTest(point, flags, col); }
// ALB
wxTreeItemId HitTest(const wxPoint& point, int& flags, int& column);
// get the bounding rectangle of the item (or of its label only)
bool GetBoundingRect(const wxTreeItemId& item,
wxRect& rect,
bool textOnly = FALSE) const;
// Start editing the item label: this (temporarily) replaces the item
// with a one line edit control. The item will be selected if it hadn't
// been before.
void EditLabel( const wxTreeItemId& item ) { Edit( item ); }
void Edit( const wxTreeItemId& item );
// sorting
// this function is called to compare 2 items and should return -1, 0
// or +1 if the first item is less than, equal to or greater than the
// second one. The base class version performs alphabetic comparaison
// of item labels (GetText)
virtual int OnCompareItems(const wxTreeItemId& item1,
const wxTreeItemId& item2);
// sort the children of this item using OnCompareItems
//
// NB: this function is not reentrant and not MT-safe (FIXME)!
void SortChildren(const wxTreeItemId& item);
// deprecated functions: use Set/GetItemImage directly
// get the selected item image
int GetItemSelectedImage(const wxTreeItemId& item) const
{ return GetItemImage(item, wxTreeItemIcon_Selected); }
// set the selected item image
void SetItemSelectedImage(const wxTreeItemId& item, int image)
{ SetItemImage(item, image, wxTreeItemIcon_Selected); }
// implementation only from now on
// overridden base class virtuals
virtual bool SetBackgroundColour(const wxColour& colour);
virtual bool SetForegroundColour(const wxColour& colour);
// callbacks
void OnPaint( wxPaintEvent &event );
void OnSetFocus( wxFocusEvent &event );
void OnKillFocus( wxFocusEvent &event );
void OnChar( wxKeyEvent &event );
void OnMouse( wxMouseEvent &event );
void OnIdle( wxIdleEvent &event );
void OnSize(wxSizeEvent& event); // ALB
void OnScroll(wxScrollWinEvent& event); // ALB
// implementation helpers
void SendDeleteEvent(wxTreeListItem *itemBeingDeleted);
void DrawBorder(const wxTreeItemId& item);
void DrawLine(const wxTreeItemId& item, bool below);
size_t GetColumnCount() const
{ return m_owner->GetHeaderWindow()->GetColumnCount(); }
void SetMainColumn(size_t column)
{
if(column < GetColumnCount())
m_main_column = column;
}
size_t GetMainColumn() const { return m_main_column; }
void SetItemText(const wxTreeItemId& item, size_t column,
const wxString& text);
wxString GetItemText(const wxTreeItemId& item, size_t column) const;
void SetItemImage(const wxTreeItemId& item, size_t column, int image,
wxTreeItemIcon which = wxTreeItemIcon_Normal);
int GetItemImage(const wxTreeItemId& item, size_t column,
wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
protected:
wxTreeListCtrl* m_owner; // ALB
size_t m_main_column; // ALB
friend class wxTreeListItem;
friend class wxTreeListRenameTimer;
friend class wxTreeListTextCtrl;
wxFont m_normalFont;
wxFont m_boldFont;
wxTreeListItem *m_anchor;
wxTreeListItem *m_current, *m_key_current, *m_currentEdit;
unsigned short m_indent;
unsigned short m_spacing;
int m_lineHeight;
unsigned short m_linespacing;
wxPen m_dottedPen;
wxBrush *m_hilightBrush,
*m_hilightUnfocusedBrush;
bool m_hasFocus;
public:
bool m_dirty;
protected:
bool m_ownsImageListNormal,
m_ownsImageListState,
m_ownsImageListButtons;
bool m_isDragging; // true between BEGIN/END drag events
bool m_renameAccept;
bool m_lastOnSame; // last click on the same item as prev
wxImageList *m_imageListNormal,
*m_imageListState,
*m_imageListButtons;
int m_dragCount;
wxPoint m_dragStart;
wxTreeListItem *m_dropTarget;
wxCursor m_oldCursor; // cursor is changed while dragging
wxTreeListItem *m_oldSelection;
wxTimer *m_renameTimer;
wxString m_renameRes;
// the common part of all ctors
void Init();
// misc helpers
wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
size_t previous,
const wxString& text,
int image, int selectedImage,
wxTreeItemData *data);
bool HasButtons(void) const
{ return (m_imageListButtons != NULL)
|| HasFlag(wxTR_TWIST_BUTTONS|wxTR_HAS_BUTTONS); }
protected:
void CalculateLineHeight();
int GetLineHeight(wxTreeListItem *item) const;
void PaintLevel( wxTreeListItem *item, wxDC& dc, int level, int &y,
int x_offset);
void PaintItem( wxTreeListItem *item, wxDC& dc);
void CalculateLevel( wxTreeListItem *item, wxDC &dc, int level, int &y,
int x_offset);
void CalculatePositions();
void CalculateSize( wxTreeListItem *item, wxDC &dc );
void RefreshSubtree( wxTreeListItem *item );
void RefreshLine( wxTreeListItem *item );
// redraw all selected items
void RefreshSelected();
// RefreshSelected() recursive helper
void RefreshSelectedUnder(wxTreeListItem *item);
void OnRenameTimer();
void OnRenameAccept();
void FillArray(wxTreeListItem*, wxArrayTreeItemIds&) const;
void SelectItemRange( wxTreeListItem *item1, wxTreeListItem *item2 );
bool TagAllChildrenUntilLast(wxTreeListItem *crt_item,
wxTreeListItem *last_item, bool select);
bool TagNextChildren(wxTreeListItem *crt_item, wxTreeListItem *last_item,
bool select);
void UnselectAllChildren( wxTreeListItem *item );
void DrawDropEffect(wxTreeListItem *item);
private:
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxTreeListMainWindow)
};
// timer used for enabling in-place edit
class wxTreeListRenameTimer: public wxTimer
{
public:
wxTreeListRenameTimer( wxTreeListMainWindow *owner );
void Notify();
private:
wxTreeListMainWindow *m_owner;
};
// control used for in-place edit
class wxTreeListTextCtrl: public wxTextCtrl
{
public:
wxTreeListTextCtrl( wxWindow *parent,
const wxWindowID id,
bool *accept,
wxString *res,
wxTreeListMainWindow *owner,
const wxString &value = wxEmptyString,
const wxPoint &pos = wxDefaultPosition,
const wxSize &size = wxDefaultSize,
int style = wxSIMPLE_BORDER,
const wxValidator& validator = wxDefaultValidator,
const wxString &name = wxTextCtrlNameStr );
void OnChar( wxKeyEvent &event );
void OnKeyUp( wxKeyEvent &event );
void OnKillFocus( wxFocusEvent &event );
private:
bool *m_accept;
wxString *m_res;
wxTreeListMainWindow *m_owner;
wxString m_startValue;
bool m_finished;
DECLARE_EVENT_TABLE()
};
// a tree item
class wxTreeListItem
{
public:
// ctors & dtor
wxTreeListItem() { m_data = NULL; }
wxTreeListItem( wxTreeListMainWindow *owner,
wxTreeListItem *parent,
const wxArrayString& text,
int image,
int selImage,
wxTreeItemData *data );
~wxTreeListItem();
// trivial accessors
wxArrayTreeListItems& GetChildren() { return m_children; }
const wxString GetText() const
{
if(m_text.GetCount() > 0) return m_text[0];
return wxEmptyString;
}
const wxString GetText(size_t col) const
{
if(m_text.GetCount() > col) return m_text[col];
return wxEmptyString;
}
int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
{ return m_images[which]; }
int GetImage(size_t col, wxTreeItemIcon which=wxTreeItemIcon_Normal) const
{
if(col == m_owner->GetMainColumn()) return m_images[which];
if(col < m_col_images.GetCount()) return m_col_images[col];
return NO_IMAGE;
}
wxTreeItemData *GetData() const { return m_data; }
// returns the current image for the item (depending on its
// selected/expanded/whatever state)
int GetCurrentImage() const;
void SetText( const wxString &text );
void SetText(size_t col, const wxString& text) // ALB
{
if(col < m_text.GetCount())
m_text[col] = text;
else if(col < m_owner->GetColumnCount()) {
int howmany = m_owner->GetColumnCount();
for(int i = m_text.GetCount(); i < howmany; ++i)
m_text.Add(wxEmptyString);
m_text[col] = text;
}
}
void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
void SetImage(size_t col, int image, wxTreeItemIcon which)
{
if(col == m_owner->GetMainColumn()) m_images[which] = image;
else if(col < m_col_images.GetCount())
m_col_images[col] = image;
else if(col < m_owner->GetColumnCount()) {
int howmany = m_owner->GetColumnCount();
for(int i = m_col_images.GetCount(); i < howmany; ++i)
m_col_images.Add(NO_IMAGE);
m_col_images[col] = image;
}
}
void SetData(wxTreeItemData *data) { m_data = data; }
void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
void SetBold(bool bold) { m_isBold = bold; }
int GetX() const { return m_x; }
int GetY() const { return m_y; }
void SetX(int x) { m_x = x; }
void SetY(int y) { m_y = y; }
int GetHeight() const { return m_height; }
int GetWidth() const { return m_width; }
void SetHeight(int h) { m_height = h; }
void SetWidth(int w) { m_width = w; }
wxTreeListItem *GetParent() const { return m_parent; }
// operations
// deletes all children notifying the treectrl about it if !NULL
// pointer given
void DeleteChildren(wxTreeListMainWindow *tree = NULL);
// get count of all children (and grand children if 'recursively')
size_t GetChildrenCount(bool recursively = TRUE) const;
void Insert(wxTreeListItem *child, size_t index)
{ m_children.Insert(child, index); }
void GetSize( int &x, int &y, const wxTreeListMainWindow* );
// return the item at given position (or NULL if no item), onButton is
// TRUE if the point belongs to the item's button, otherwise it lies
// on the button's label
wxTreeListItem *HitTest( const wxPoint& point,
const wxTreeListMainWindow *,
int &flags,
int level );
wxTreeListItem *HitTest( const wxPoint& point,
const wxTreeListMainWindow *,
int &flags, int& column /*ALB*/,
int level );
void Expand() { m_isCollapsed = FALSE; }
void Collapse() { m_isCollapsed = TRUE; }
void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
// status inquiries
bool HasChildren() const { return !m_children.IsEmpty(); }
bool IsSelected() const { return m_hasHilight != 0; }
bool IsExpanded() const { return !m_isCollapsed; }
bool HasPlus() const { return m_hasPlus || HasChildren(); }
bool IsBold() const { return m_isBold != 0; }
// attributes
// get them - may be NULL
wxTreeItemAttr *GetAttributes() const { return m_attr; }
// get them ensuring that the pointer is not NULL
wxTreeItemAttr& Attr()
{
if ( !m_attr )
{
m_attr = new wxTreeItemAttr;
m_ownsAttr = TRUE;
}
return *m_attr;
}
// set them
void SetAttributes(wxTreeItemAttr *attr)
{
if ( m_ownsAttr ) delete m_attr;
m_attr = attr;
m_ownsAttr = FALSE;
}
// set them and delete when done
void AssignAttributes(wxTreeItemAttr *attr)
{
SetAttributes(attr);
m_ownsAttr = TRUE;
}
private:
wxTreeListMainWindow *m_owner; // control the item belongs to
// since there can be very many of these, we save size by chosing
// the smallest representation for the elements and by ordering
// the members to avoid padding.
wxArrayString m_text; // labels to be rendered for item
wxTreeItemData *m_data; // user-provided data
wxArrayTreeListItems m_children; // list of children
wxTreeListItem *m_parent; // parent of this item
wxTreeItemAttr *m_attr; // attributes???
// tree ctrl images for the normal, selected, expanded and
// expanded+selected states
short m_images[wxTreeItemIcon_Max];
wxArrayShort m_col_images; // images for the various columns (!= main)
wxCoord m_x; // (virtual) offset from top
wxCoord m_y; // (virtual) offset from left
short m_width; // width of this item
unsigned char m_height; // height of this item
// use bitfields to save size
int m_isCollapsed :1;
int m_hasHilight :1; // same as focused
int m_hasPlus :1; // used for item which doesn't have
// children but has a [+] button
int m_isBold :1; // render the label in bold font
int m_ownsAttr :1; // delete attribute when done
};
// ===========================================================================
// implementation
// ===========================================================================
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
// translate the key or mouse event flags to the type of selection we're
// dealing with
static void EventFlagsToSelType(long style,
bool shiftDown,
bool ctrlDown,
bool &is_multiple,
bool &extended_select,
bool &unselect_others)
{
is_multiple = (style & wxTR_MULTIPLE) != 0;
extended_select = shiftDown && is_multiple;
unselect_others = !(extended_select || (ctrlDown && is_multiple));
}
// ---------------------------------------------------------------------------
// wxTreeListRenameTimer (internal)
// ---------------------------------------------------------------------------
wxTreeListRenameTimer::wxTreeListRenameTimer( wxTreeListMainWindow *owner )
{
m_owner = owner;
}
void wxTreeListRenameTimer::Notify()
{
m_owner->OnRenameTimer();
}
//-----------------------------------------------------------------------------
// wxTreeListTextCtrl (internal)
//-----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxTreeListTextCtrl,wxTextCtrl)
EVT_CHAR (wxTreeListTextCtrl::OnChar)
EVT_KEY_UP (wxTreeListTextCtrl::OnKeyUp)
EVT_KILL_FOCUS (wxTreeListTextCtrl::OnKillFocus)
END_EVENT_TABLE()
wxTreeListTextCtrl::wxTreeListTextCtrl( wxWindow *parent,
const wxWindowID id,
bool *accept,
wxString *res,
wxTreeListMainWindow *owner,
const wxString &value,
const wxPoint &pos,
const wxSize &size,
int style,
const wxValidator& validator,
const wxString &name )
: wxTextCtrl( parent, id, value, pos, size, style, validator, name )
{
m_res = res;
m_accept = accept;
m_owner = owner;
(*m_accept) = FALSE;
(*m_res) = wxEmptyString;
m_startValue = value;
m_finished = FALSE;
}
void wxTreeListTextCtrl::OnChar( wxKeyEvent &event )
{
if (event.m_keyCode == WXK_RETURN)
{
(*m_accept) = TRUE;
(*m_res) = GetValue();
if ((*m_res) != m_startValue)
m_owner->OnRenameAccept();
if (!wxPendingDelete.Member(this))
wxPendingDelete.Append(this);
m_finished = TRUE;
m_owner->SetFocus(); // This doesn't work. TODO.
return;
}
if (event.m_keyCode == WXK_ESCAPE)
{
(*m_accept) = FALSE;
(*m_res) = wxEmptyString;
if (!wxPendingDelete.Member(this))
wxPendingDelete.Append(this);
m_finished = TRUE;
m_owner->SetFocus(); // This doesn't work. TODO.
return;
}
event.Skip();
}
void wxTreeListTextCtrl::OnKeyUp( wxKeyEvent &event )
{
if (m_finished)
{
event.Skip();
return;
}
// auto-grow the textctrl:
wxSize parentSize = m_owner->GetSize();
wxPoint myPos = GetPosition();
wxSize mySize = GetSize();
int sx, sy;
GetTextExtent(GetValue() + _T("M"), &sx, &sy);
if (myPos.x + sx > parentSize.x) sx = parentSize.x - myPos.x;
if (mySize.x > sx) sx = mySize.x;
SetSize(sx, -1);
event.Skip();
}
void wxTreeListTextCtrl::OnKillFocus( wxFocusEvent &event )
{
if (m_finished)
{
event.Skip();
return;
}
if (!wxPendingDelete.Member(this))
wxPendingDelete.Append(this);
(*m_accept) = TRUE;
(*m_res) = GetValue();
if ((*m_res) != m_startValue)
m_owner->OnRenameAccept();
}
//-----------------------------------------------------------------------------
// wxTreeListHeaderWindow
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxTreeListHeaderWindow,wxWindow);
BEGIN_EVENT_TABLE(wxTreeListHeaderWindow,wxWindow)
EVT_PAINT (wxTreeListHeaderWindow::OnPaint)
EVT_MOUSE_EVENTS (wxTreeListHeaderWindow::OnMouse)
EVT_SET_FOCUS (wxTreeListHeaderWindow::OnSetFocus)
END_EVENT_TABLE()
void wxTreeListHeaderWindow::Init()
{
m_currentCursor = (wxCursor *) NULL;
m_isDragging = FALSE;
m_dirty = FALSE;
m_total_col_width = 0;
}
wxTreeListHeaderWindow::wxTreeListHeaderWindow()
{
Init();
m_owner = (wxTreeListMainWindow *) NULL;
m_resizeCursor = (wxCursor *) NULL;
}
wxTreeListHeaderWindow::wxTreeListHeaderWindow( wxWindow *win,
wxWindowID id,
wxTreeListMainWindow *owner,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString &name )
: wxWindow( win, id, pos, size, style, name )
{
Init();
m_owner = owner;
m_resizeCursor = new wxCursor(wxCURSOR_SIZEWE);
SetBackgroundColour(wxSystemSettings::GetSystemColour(
wxSYS_COLOUR_BTNFACE));
}
wxTreeListHeaderWindow::~wxTreeListHeaderWindow()
{
delete m_resizeCursor;
}
void wxTreeListHeaderWindow::DoDrawRect( wxDC *dc, int x, int y, int w, int h )
{
#ifdef __WXGTK__
GtkStateType state = m_parent->IsEnabled() ? GTK_STATE_NORMAL
: GTK_STATE_INSENSITIVE;
x = dc->XLOG2DEV( x );
gtk_paint_box (m_wxwindow->style, GTK_PIZZA(m_wxwindow)->bin_window,
state, GTK_SHADOW_OUT,
(GdkRectangle*) NULL, m_wxwindow, "button",
x-1, y-1, w+2, h+2);
#elif defined( __WXMAC__ )
const int m_corner = 1;
dc->SetBrush( *wxTRANSPARENT_BRUSH );
dc->SetPen( wxPen(wxSystemSettings::GetSystemColour(
wxSYS_COLOUR_BTNSHADOW), 1, wxSOLID));
dc->DrawLine( x+w-m_corner+1, y, x+w, y+h ); // right (outer)
dc->DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer)
wxPen pen( wxColour( 0x88 , 0x88 , 0x88 ), 1, wxSOLID );
dc->SetPen( pen );
dc->DrawLine( x+w-m_corner, y, x+w-1, y+h ); // right (inner)
dc->DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner)
dc->SetPen( *wxWHITE_PEN );
dc->DrawRectangle( x, y, w-m_corner+1, 1 ); // top (outer)
dc->DrawRectangle( x, y, 1, h ); // left (outer)
dc->DrawLine( x, y+h-1, x+1, y+h-1 );
dc->DrawLine( x+w-1, y, x+w-1, y+1 );
#else // !GTK, !Mac
const int m_corner = 1;
dc->SetBrush( *wxTRANSPARENT_BRUSH );
dc->SetPen( *wxBLACK_PEN );
dc->DrawLine( x+w-m_corner+1, y, x+w, y+h ); // right (outer)
dc->DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer)
wxPen pen(wxSystemSettings::GetSystemColour(
wxSYS_COLOUR_BTNSHADOW ), 1, wxSOLID);
dc->SetPen( pen );
dc->DrawLine( x+w-m_corner, y, x+w-1, y+h ); // right (inner)
dc->DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner)
dc->SetPen( *wxWHITE_PEN );
dc->DrawRectangle( x, y, w-m_corner+1, 1 ); // top (outer)
dc->DrawRectangle( x, y, 1, h ); // left (outer)
dc->DrawLine( x, y+h-1, x+1, y+h-1 );
dc->DrawLine( x+w-1, y, x+w-1, y+1 );
#endif
}
// shift the DC origin to match the position of the main window horz
// scrollbar: this allows us to always use logical coords
void wxTreeListHeaderWindow::AdjustDC(wxDC& dc)
{
int xpix;
m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
int x;
m_owner->GetViewStart( &x, NULL );
// account for the horz scrollbar offset
dc.SetDeviceOrigin( -x * xpix, 0 );
}
void wxTreeListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
static const int HEADER_OFFSET_X = 1, HEADER_OFFSET_Y = 1;
#ifdef __WXGTK__
wxClientDC dc( this );
#else
wxPaintDC dc( this );
#endif
PrepareDC( dc );
AdjustDC( dc );
dc.BeginDrawing();
dc.SetFont( GetFont() );
// width and height of the entire header window
int w, h;
GetClientSize( &w, &h );
m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
dc.SetBackgroundMode(wxTRANSPARENT);
// do *not* use the listctrl colour for headers - one day we will have a
// function to set it separately
//dc.SetTextForeground( *wxBLACK );
dc.SetTextForeground(wxSystemSettings::
GetSystemColour( wxSYS_COLOUR_WINDOWTEXT ));
int x = HEADER_OFFSET_X;
int numColumns = GetColumnCount();
for ( int i = 0; i < numColumns && x < w; i++ )
{
wxTreeListColumnInfo& column = GetColumn(i);
int wCol = column.GetWidth();
// the width of the rect to draw: make it smaller to fit entirely
// inside the column rect
int cw = wCol - 2;
dc.SetPen( *wxWHITE_PEN );
DoDrawRect( &dc, x, HEADER_OFFSET_Y, cw, h-2 );
// if we have an image, draw it on the right of the label
int image = column.GetImage(); //item.m_image;
int ix = -2, iy = 0;
wxImageList* imageList = m_owner->GetImageList();
if(image != -1) {
if(imageList) {
imageList->GetSize(image, ix, iy);
}
//else: ignore the column image
}
// extra margins around the text label
static const int EXTRA_WIDTH = 3;
static const int EXTRA_HEIGHT = 4;
int text_width = 0;
int text_x = x;
int image_offset = cw - ix - 1;
switch(column.GetAlignment()) {
case wxTL_ALIGN_LEFT:
text_x += EXTRA_WIDTH;
cw -= ix + 2;
break;
case wxTL_ALIGN_RIGHT:
dc.GetTextExtent(column.GetText(), &text_width, NULL);
text_x += cw - text_width - EXTRA_WIDTH;
image_offset = 0;
break;
case wxTL_ALIGN_CENTER:
dc.GetTextExtent(column.GetText(), &text_width, NULL);
text_x += (cw - text_width)/2 + ix + 2;
image_offset = (cw - text_width - ix - 2)/2;
break;
}
// draw the image
if(image != -1 && imageList) {
imageList->Draw(image, dc, x + image_offset/*cw - ix - 1*/,
HEADER_OFFSET_Y + (h - 4 - iy)/2,
wxIMAGELIST_DRAW_TRANSPARENT);
}
// draw the text clipping it so that it doesn't overwrite the column
// boundary
wxDCClipper clipper(dc, x, HEADER_OFFSET_Y, cw, h - 4 );
dc.DrawText( column.GetText(),
text_x, HEADER_OFFSET_Y + EXTRA_HEIGHT );
x += wCol;
}
dc.EndDrawing();
}
void wxTreeListHeaderWindow::DrawCurrent()
{
int x1 = m_currentX;
int y1 = 0;
ClientToScreen( &x1, &y1 );
int x2 = m_currentX-1;
#ifdef __WXMSW__
++x2; // but why ?
#endif
int y2 = 0;
m_owner->GetClientSize( NULL, &y2 );
m_owner->ClientToScreen( &x2, &y2 );
wxScreenDC dc;
dc.SetLogicalFunction( wxINVERT );
dc.SetPen( wxPen( *wxBLACK, 2, wxSOLID ) );
dc.SetBrush( *wxTRANSPARENT_BRUSH );
AdjustDC(dc);
dc.DrawLine( x1, y1, x2, y2 );
dc.SetLogicalFunction( wxCOPY );
dc.SetPen( wxNullPen );
dc.SetBrush( wxNullBrush );
}
void wxTreeListHeaderWindow::OnMouse( wxMouseEvent &event )
{
// we want to work with logical coords
int x;
m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
int y = event.GetY();
if (m_isDragging)
{
SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING,
event.GetPosition());
// we don't draw the line beyond our window, but we allow dragging it
// there
int w = 0;
GetClientSize( &w, NULL );
m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
w -= 6;
// erase the line if it was drawn
if ( m_currentX < w )
DrawCurrent();
if (event.ButtonUp())
{
ReleaseMouse();
m_isDragging = FALSE;
m_dirty = TRUE;
SetColumnWidth( m_column, m_currentX - m_minX );
Refresh();
SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG,
event.GetPosition());
}
else
{
if (x > m_minX + 7)
m_currentX = x;
else
m_currentX = m_minX + 7;
// draw in the new location
if ( m_currentX < w )
DrawCurrent();
}
}
else // not dragging
{
m_minX = 0;
bool hit_border = FALSE;
// end of the current column
int xpos = 0;
// find the column where this event occured
int countCol = GetColumnCount();
for (int col = 0; col < countCol; col++)
{
xpos += GetColumnWidth( col );
m_column = col;
if ( (abs(x-xpos) < 3) && (y < 22) )
{
// near the column border
hit_border = TRUE;
break;
}
if ( x < xpos )
{
// inside the column
break;
}
m_minX = xpos;
}
if (event.LeftDown() || event.RightUp())
{
if (hit_border && event.LeftDown())
{
m_isDragging = TRUE;
m_currentX = x;
DrawCurrent();
CaptureMouse();
SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG,
event.GetPosition());
}
else // click on a column
{
SendListEvent( event.LeftDown()
? wxEVT_COMMAND_LIST_COL_CLICK
: wxEVT_COMMAND_LIST_COL_RIGHT_CLICK,
event.GetPosition());
}
}
else if (event.Moving())
{
bool setCursor;
if (hit_border)
{
setCursor = m_currentCursor == wxSTANDARD_CURSOR;
m_currentCursor = m_resizeCursor;
}
else
{
setCursor = m_currentCursor != wxSTANDARD_CURSOR;
m_currentCursor = wxSTANDARD_CURSOR;
}
if ( setCursor )
SetCursor(*m_currentCursor);
}
}
}
void wxTreeListHeaderWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
{
m_owner->SetFocus();
}
void wxTreeListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos)
{
wxWindow *parent = GetParent();
wxListEvent le( type, parent->GetId() );
le.SetEventObject( parent );
le.m_pointDrag = pos;
// the position should be relative to the parent window, not
// this one for compatibility with MSW and common sense: the
// user code doesn't know anything at all about this header
// window, so why should it get positions relative to it?
le.m_pointDrag.y -= GetSize().y;
le.m_col = m_column;
parent->GetEventHandler()->ProcessEvent( le );
}
inline
void wxTreeListHeaderWindow::AddColumn(const wxTreeListColumnInfo& col)
{
m_columns.Add(col);
m_total_col_width += col.GetWidth();
//m_owner->GetHeaderWindow()->Refresh();
//m_dirty = TRUE;
m_owner->AdjustMyScrollbars();
m_owner->m_dirty = TRUE;
Refresh();
}
inline
void wxTreeListHeaderWindow::SetColumnWidth(size_t column, size_t width)
{
if(column < GetColumnCount()) {
m_total_col_width -= m_columns[column].GetWidth();
m_columns[column].SetWidth(width);
m_total_col_width += width;
m_owner->AdjustMyScrollbars();
m_owner->m_dirty = TRUE;
//m_dirty = TRUE;
Refresh();
}
}
inline
void wxTreeListHeaderWindow::InsertColumn(size_t before,
const wxTreeListColumnInfo& col)
{
wxCHECK_RET(before < GetColumnCount(), wxT("Invalid column index"));
m_columns.Insert(col, before);
m_total_col_width += col.GetWidth();
//m_dirty = TRUE;
//m_owner->GetHeaderWindow()->Refresh();
m_owner->AdjustMyScrollbars();
m_owner->m_dirty = TRUE;
Refresh();
}
inline
void wxTreeListHeaderWindow::RemoveColumn(size_t column)
{
wxCHECK_RET(column < GetColumnCount(), wxT("Invalid column"));
m_total_col_width -= m_columns[column].GetWidth();
m_columns.RemoveAt(column);
//m_dirty = TRUE;
m_owner->AdjustMyScrollbars();
m_owner->m_dirty = TRUE;
Refresh();
}
inline
void wxTreeListHeaderWindow::SetColumn(size_t column,
const wxTreeListColumnInfo& info)
{
wxCHECK_RET(column < GetColumnCount(), wxT("Invalid column"));
size_t w = m_columns[column].GetWidth();
m_columns[column] = info;
//m_owner->GetHeaderWindow()->Refresh();
//m_dirty = TRUE;
if(w != info.GetWidth()) {
m_total_col_width += info.GetWidth() - w;
m_owner->AdjustMyScrollbars();
m_owner->m_dirty = TRUE;
}
Refresh();
}
// ---------------------------------------------------------------------------
// wxTreeListItem
// ---------------------------------------------------------------------------
wxTreeListItem::wxTreeListItem(wxTreeListMainWindow *owner,
wxTreeListItem *parent,
const wxArrayString& text,
int image, int selImage,
wxTreeItemData *data)
: m_text(text)
{
m_images[wxTreeItemIcon_Normal] = image;
m_images[wxTreeItemIcon_Selected] = selImage;
m_images[wxTreeItemIcon_Expanded] = NO_IMAGE;
m_images[wxTreeItemIcon_SelectedExpanded] = NO_IMAGE;
m_data = data;
m_x = m_y = 0;
m_isCollapsed = TRUE;
m_hasHilight = FALSE;
m_hasPlus = FALSE;
m_isBold = FALSE;
m_owner = owner;
m_parent = parent;
m_attr = (wxTreeItemAttr *)NULL;
m_ownsAttr = FALSE;
// We don't know the height here yet.
m_width = 0;
m_height = 0;
}
wxTreeListItem::~wxTreeListItem()
{
delete m_data;
if (m_ownsAttr) delete m_attr;
wxASSERT_MSG( m_children.IsEmpty(),
wxT("please call DeleteChildren() before deleting the item") );
}
void wxTreeListItem::DeleteChildren(wxTreeListMainWindow *tree)
{
size_t count = m_children.Count();
for ( size_t n = 0; n < count; n++ )
{
wxTreeListItem *child = m_children[n];
if (tree)
tree->SendDeleteEvent(child);
child->DeleteChildren(tree);
delete child;
}
m_children.Empty();
}
void wxTreeListItem::SetText( const wxString &text )
{
if(m_text.GetCount() > 0) m_text[0] = text;
else {
m_text.Add(text);
}
}
size_t wxTreeListItem::GetChildrenCount(bool recursively) const
{
size_t count = m_children.Count();
if ( !recursively )
return count;
size_t total = count;
for (size_t n = 0; n < count; ++n)
{
total += m_children[n]->GetChildrenCount();
}
return total;
}
void wxTreeListItem::GetSize( int &x, int &y,
const wxTreeListMainWindow *theButton )
{
int bottomY=m_y+theButton->GetLineHeight(this);
if ( y < bottomY ) y = bottomY;
int width = m_x + m_width;
if ( x < width ) x = width;
if (IsExpanded())
{
size_t count = m_children.Count();
for ( size_t n = 0; n < count; ++n )
{
m_children[n]->GetSize( x, y, theButton );
}
}
}
wxTreeListItem *wxTreeListItem::HitTest(const wxPoint& point,
const wxTreeListMainWindow *theCtrl,
int &flags,
int level)
{
// for a hidden root node, don't evaluate it, but do evaluate children
if ( !(level == 0 && theCtrl->HasFlag(wxTR_HIDE_ROOT)) )
{
// evaluate the item
int h = theCtrl->GetLineHeight(this);
if ((point.y > m_y) && (point.y <= m_y + h))
{
int y_mid = m_y + h/2;
if (point.y < y_mid )
flags |= wxTREE_HITTEST_ONITEMUPPERPART;
else
flags |= wxTREE_HITTEST_ONITEMLOWERPART;
// 5 is the size of the plus sign
int xCross = m_x - theCtrl->GetSpacing();
if ((point.x > xCross-5) && (point.x < xCross+5) &&
(point.y > y_mid-5) && (point.y < y_mid+5) &&
HasPlus() && theCtrl->HasButtons() )
{
flags |= wxTREE_HITTEST_ONITEMBUTTON;
return this;
}
if ((point.x >= m_x) && (point.x <= m_x+m_width))
{
int image_w = -1;
int image_h;
//assuming every image (normal and selected) has the same size!
if ( (GetImage() != NO_IMAGE) && theCtrl->m_imageListNormal )
theCtrl->m_imageListNormal->GetSize(GetImage(),
image_w, image_h);
if ((image_w != -1) && (point.x <= m_x + image_w + 1))
flags |= wxTREE_HITTEST_ONITEMICON;
else
flags |= wxTREE_HITTEST_ONITEMLABEL;
return this;
}
if (point.x < m_x)
flags |= wxTREE_HITTEST_ONITEMINDENT;
if (point.x > m_x+m_width)
flags |= wxTREE_HITTEST_ONITEMRIGHT;
return this;
}
// if children are expanded, fall through to evaluate them
if (m_isCollapsed) return (wxTreeListItem*) NULL;
}
// evaluate children
size_t count = m_children.Count();
for ( size_t n = 0; n < count; n++ )
{
wxTreeListItem *res = m_children[n]->HitTest(point, theCtrl,
flags, level + 1);
if ( res != NULL )
return res;
}
return (wxTreeListItem*) NULL;
}
// ALB
wxTreeListItem *wxTreeListItem::HitTest(const wxPoint& point,
const wxTreeListMainWindow *theCtrl,
int &flags, int& column, int level)
{
column = theCtrl->GetMainColumn(); //-1;
wxTreeListItem* res = HitTest(point, theCtrl, flags, level);
if (!res) {
column = -1;
return res;
}
if (point.x >= theCtrl->m_owner->GetHeaderWindow()->GetWidth())
column = -1;
else if (flags & wxTREE_HITTEST_ONITEMINDENT) {
int x = 0;
for (int i = 0; i < column; ++i) {
int w = theCtrl->m_owner->GetHeaderWindow()->GetColumnWidth(i);
if(point.x >= x && point.x < x+w) {
flags ^= wxTREE_HITTEST_ONITEMINDENT;
flags |= wxTREE_HITTEST_ONITEMCOLUMN;
column = i;
return res;
}
x += w;
}
}
else if (flags & wxTREE_HITTEST_ONITEMRIGHT) {
int x = 0;
int i;
for (i = 0; i < column+1; ++i) {
x += theCtrl->m_owner->GetHeaderWindow()->GetColumnWidth(i);
}
for (i = column+1; i < theCtrl->GetColumnCount(); ++i) {
int w = theCtrl->m_owner->GetHeaderWindow()->GetColumnWidth(i);
if (point.x >= x && point.x < x+w) {
flags ^= wxTREE_HITTEST_ONITEMRIGHT;
flags |= wxTREE_HITTEST_ONITEMCOLUMN;
column = i;
return res;
}
x += w;
}
}
return res;
}
int wxTreeListItem::GetCurrentImage() const
{
int image = NO_IMAGE;
if ( IsExpanded() )
{
if ( IsSelected() )
{
image = GetImage(wxTreeItemIcon_SelectedExpanded);
}
if ( image == NO_IMAGE )
{
// we usually fall back to the normal item, but try just the
// expanded one (and not selected) first in this case
image = GetImage(wxTreeItemIcon_Expanded);
}
}
else // not expanded
{
if ( IsSelected() )
image = GetImage(wxTreeItemIcon_Selected);
}
// maybe it doesn't have the specific image we want,
// try the default one instead
if ( image == NO_IMAGE ) image = GetImage();
return image;
}
// ---------------------------------------------------------------------------
// wxTreeListMainWindow implementation
// ---------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxTreeListMainWindow, wxScrolledWindow)
BEGIN_EVENT_TABLE(wxTreeListMainWindow, wxScrolledWindow)
EVT_PAINT (wxTreeListMainWindow::OnPaint)
EVT_MOUSE_EVENTS (wxTreeListMainWindow::OnMouse)
EVT_CHAR (wxTreeListMainWindow::OnChar)
EVT_SET_FOCUS (wxTreeListMainWindow::OnSetFocus)
EVT_KILL_FOCUS (wxTreeListMainWindow::OnKillFocus)
EVT_IDLE (wxTreeListMainWindow::OnIdle)
//EVT_SIZE (wxTreeListMainWindow::OnSize)
EVT_SCROLLWIN (wxTreeListMainWindow::OnScroll)
END_EVENT_TABLE()
// ---------------------------------------------------------------------------
// construction/destruction
// ---------------------------------------------------------------------------
void wxTreeListMainWindow::Init()
{
m_current = m_key_current = m_anchor = (wxTreeListItem *) NULL;
m_hasFocus = FALSE;
m_dirty = FALSE;
m_lineHeight = 10;
m_indent = 9;
m_spacing = 9;
m_linespacing = 4;
m_hilightBrush = new wxBrush
(
wxSystemSettings::GetSystemColour
(
wxSYS_COLOUR_HIGHLIGHT
),
wxSOLID
);
m_hilightUnfocusedBrush = new wxBrush
(
wxSystemSettings::GetSystemColour
(
wxSYS_COLOUR_BTNSHADOW
),
wxSOLID
);
m_imageListNormal = m_imageListButtons =
m_imageListState = (wxImageList *) NULL;
m_ownsImageListNormal = m_ownsImageListButtons =
m_ownsImageListState = FALSE;
m_dragCount = 0;
m_isDragging = FALSE;
m_dropTarget = m_oldSelection = (wxTreeListItem *)NULL;
m_renameTimer = new wxTreeListRenameTimer( this );
m_lastOnSame = FALSE;
m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT );
m_boldFont = wxFont( m_normalFont.GetPointSize(),
m_normalFont.GetFamily(),
m_normalFont.GetStyle(),
wxBOLD,
m_normalFont.GetUnderlined());
}
static const int HEADER_HEIGHT = 23;
bool wxTreeListMainWindow::Create(wxTreeListCtrl *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator &validator,
const wxString& name )
{
#ifdef __WXMAC__
int major,minor;
wxGetOsVersion( &major, &minor );
if (style & wxTR_HAS_BUTTONS) style |= wxTR_MAC_BUTTONS;
if (style & wxTR_HAS_BUTTONS) style &= ~wxTR_HAS_BUTTONS;
style &= ~wxTR_LINES_AT_ROOT;
style |= wxTR_NO_LINES;
if (major < 10)
style |= wxTR_ROW_LINES;
#endif
wxScrolledWindow::Create( parent, id, pos, size,
style|wxHSCROLL|wxVSCROLL, name );
// If the tree display has no buttons, but does have
// connecting lines, we can use a narrower layout.
// It may not be a good idea to force this...
if (!HasButtons() && !HasFlag(wxTR_NO_LINES))
{
m_indent= 10;
m_spacing = 10;
}
#if wxUSE_VALIDATORS
SetValidator( validator );
#endif
SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
// #ifdef __WXMSW__
// m_dottedPen = wxPen( "black", 0, wxDOT ); // too slow under XFree86
// #else
m_dottedPen = wxPen( wxT("grey"), 0, 0 );
// #endif
// ALB
m_owner = parent;
m_main_column = 0;
return TRUE;
}
wxTreeListMainWindow::~wxTreeListMainWindow()
{
delete m_hilightBrush;
delete m_hilightUnfocusedBrush;
DeleteAllItems();
delete m_renameTimer;
if (m_ownsImageListNormal) delete m_imageListNormal;
if (m_ownsImageListState) delete m_imageListState;
if (m_ownsImageListButtons) delete m_imageListButtons;
}
//-----------------------------------------------------------------------------
// accessors
//-----------------------------------------------------------------------------
inline
size_t wxTreeListMainWindow::GetCount() const
{
return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
}
inline
void wxTreeListMainWindow::SetIndent(unsigned int indent)
{
m_indent = indent;
m_dirty = TRUE;
}
inline
void wxTreeListMainWindow::SetSpacing(unsigned int spacing)
{
m_spacing = spacing;
m_dirty = TRUE;
}
inline
void wxTreeListMainWindow::SetLineSpacing(unsigned int spacing)
{
m_linespacing = spacing;
m_dirty = TRUE;
CalculateLineHeight();
}
inline
size_t wxTreeListMainWindow::GetChildrenCount(const wxTreeItemId& item,
bool recursively)
{
wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->GetChildrenCount(recursively);
}
void wxTreeListMainWindow::SetWindowStyle(const long styles)
{
// right now, just sets the styles. Eventually, we may
// want to update the inherited styles, but right now
// none of the parents has updatable styles
m_windowStyle = styles;
m_dirty = TRUE;
}
//-----------------------------------------------------------------------------
// functions to work with tree items
//-----------------------------------------------------------------------------
inline
int wxTreeListMainWindow::GetItemImage(const wxTreeItemId& item, size_t column,
wxTreeItemIcon which) const
{
wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->GetImage(column, which);
}
inline
wxTreeItemData *wxTreeListMainWindow::GetItemData(const wxTreeItemId& item)
const
{
wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->GetData();
}
inline
bool wxTreeListMainWindow::GetItemBold(const wxTreeItemId& item) const
{
wxCHECK_MSG(item.IsOk(), FALSE, wxT("invalid tree item"));
return ((wxTreeListItem *)item.m_pItem)->IsBold();
}
inline
wxColour wxTreeListMainWindow::GetItemTextColour(const wxTreeItemId& item)
const
{
wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
return pItem->Attr().GetTextColour();
}
inline
wxColour wxTreeListMainWindow::GetItemBackgroundColour(
const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
return pItem->Attr().GetBackgroundColour();
}
inline
wxFont wxTreeListMainWindow::GetItemFont(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
return pItem->Attr().GetFont();
}
inline
void wxTreeListMainWindow::SetItemImage(const wxTreeItemId& item,
size_t column,
int image, wxTreeItemIcon which)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
pItem->SetImage(column, image, which);
wxClientDC dc(this);
CalculateSize(pItem, dc);
RefreshLine(pItem);
}
inline
void wxTreeListMainWindow::SetItemData(const wxTreeItemId& item,
wxTreeItemData *data)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
((wxTreeListItem*) item.m_pItem)->SetData(data);
}
inline
void wxTreeListMainWindow::SetItemHasChildren(const wxTreeItemId& item,
bool has)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
pItem->SetHasPlus(has);
RefreshLine(pItem);
}
inline
void wxTreeListMainWindow::SetItemBold(const wxTreeItemId& item, bool bold)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
// avoid redrawing the tree if no real change
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
if ( pItem->IsBold() != bold )
{
pItem->SetBold(bold);
RefreshLine(pItem);
}
}
inline
void wxTreeListMainWindow::SetItemTextColour(const wxTreeItemId& item,
const wxColour& col)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
pItem->Attr().SetTextColour(col);
RefreshLine(pItem);
}
inline
void wxTreeListMainWindow::SetItemBackgroundColour(const wxTreeItemId& item,
const wxColour& col)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
pItem->Attr().SetBackgroundColour(col);
RefreshLine(pItem);
}
inline
void wxTreeListMainWindow::SetItemFont(const wxTreeItemId& item,
const wxFont& font)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
pItem->Attr().SetFont(font);
RefreshLine(pItem);
}
inline
bool wxTreeListMainWindow::SetFont( const wxFont &font )
{
wxScrolledWindow::SetFont(font);
m_normalFont = font ;
m_boldFont = wxFont( m_normalFont.GetPointSize(),
m_normalFont.GetFamily(),
m_normalFont.GetStyle(),
wxBOLD,
m_normalFont.GetUnderlined());
return TRUE;
}
// ----------------------------------------------------------------------------
// item status inquiries
// ----------------------------------------------------------------------------
inline
bool wxTreeListMainWindow::IsVisible(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
// An item is only visible if it's not a descendant of a collapsed item
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
wxTreeListItem* parent = pItem->GetParent();
while (parent)
{
if (!parent->IsExpanded())
return FALSE;
parent = parent->GetParent();
}
int startX, startY;
GetViewStart(& startX, & startY);
wxSize clientSize = GetClientSize();
wxRect rect;
if (!GetBoundingRect(item, rect))
return FALSE;
if (rect.GetWidth() == 0 || rect.GetHeight() == 0)
return FALSE;
if (rect.GetBottom() < 0 || rect.GetTop() > clientSize.y)
return FALSE;
if (rect.GetRight() < 0 || rect.GetLeft() > clientSize.x)
return FALSE;
return TRUE;
}
inline
bool wxTreeListMainWindow::ItemHasChildren(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
// consider that the item does have children if it has the "+" button: it
// might not have them (if it had never been expanded yet) but then it
// could have them as well and it's better to err on this side rather than
// disabling some operations which are restricted to the items with
// children for an item which does have them
return ((wxTreeListItem*) item.m_pItem)->HasPlus();
}
inline
bool wxTreeListMainWindow::IsExpanded(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->IsExpanded();
}
inline
bool wxTreeListMainWindow::IsSelected(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->IsSelected();
}
inline
bool wxTreeListMainWindow::IsBold(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->IsBold();
}
// ----------------------------------------------------------------------------
// navigation
// ----------------------------------------------------------------------------
inline
wxTreeItemId wxTreeListMainWindow::GetParent(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->GetParent();
}
inline
wxTreeItemId wxTreeListMainWindow::GetFirstChild(const wxTreeItemId& item,
long& cookie) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
cookie = 0;
return GetNextChild(item, cookie);
}
inline
wxTreeItemId wxTreeListMainWindow::GetNextChild(const wxTreeItemId& item,
long& cookie) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxArrayTreeListItems& children = ((wxTreeListItem*)
item.m_pItem)->GetChildren();
if ( (size_t)cookie < children.Count() )
{
return children.Item((size_t)cookie++);
}
else
{
// there are no more of them
return wxTreeItemId();
}
}
inline
wxTreeItemId wxTreeListMainWindow::GetLastChild(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxArrayTreeListItems& children = ((wxTreeListItem*) item.m_pItem)->GetChildren();
return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
}
inline
wxTreeItemId wxTreeListMainWindow::GetNextSibling(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxTreeListItem *i = (wxTreeListItem*) item.m_pItem;
wxTreeListItem *parent = i->GetParent();
if ( parent == NULL )
{
// root item doesn't have any siblings
return wxTreeItemId();
}
wxArrayTreeListItems& siblings = parent->GetChildren();
int index = siblings.Index(i);
wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
size_t n = (size_t)(index + 1);
return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
}
inline
wxTreeItemId wxTreeListMainWindow::GetPrevSibling(const wxTreeItemId& item)
const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxTreeListItem *i = (wxTreeListItem*) item.m_pItem;
wxTreeListItem *parent = i->GetParent();
if ( parent == NULL )
{
// root item doesn't have any siblings
return wxTreeItemId();
}
wxArrayTreeListItems& siblings = parent->GetChildren();
int index = siblings.Index(i);
wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
return index == 0 ? wxTreeItemId()
: wxTreeItemId(siblings[(size_t)(index - 1)]);
}
// Only for internal use right now, but should probably be public
wxTreeItemId wxTreeListMainWindow::GetNext(const wxTreeItemId& item) const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxTreeListItem *i = (wxTreeListItem*) item.m_pItem;
// First see if there are any children.
wxArrayTreeListItems& children = i->GetChildren();
if (children.GetCount() > 0)
{
return children.Item(0);
}
else
{
// Try a sibling of this or ancestor instead
wxTreeItemId p = item;
wxTreeItemId toFind;
do
{
toFind = GetNextSibling(p);
p = GetParent(p);
} while (p.IsOk() && !toFind.IsOk());
return toFind;
}
}
inline
wxTreeItemId wxTreeListMainWindow::GetFirstVisibleItem() const
{
wxTreeItemId id = GetRootItem();
if (!id.IsOk())
return id;
do
{
if (IsVisible(id))
return id;
id = GetNext(id);
} while (id.IsOk());
return wxTreeItemId();
}
inline
wxTreeItemId wxTreeListMainWindow::GetNextVisible(const wxTreeItemId& item)
const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxTreeItemId id = item;
if (id.IsOk())
{
while (id = GetNext(id), id.IsOk())
{
if (IsVisible(id))
return id;
}
}
return wxTreeItemId();
}
inline
wxTreeItemId wxTreeListMainWindow::GetPrevVisible(const wxTreeItemId& item)
const
{
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
wxFAIL_MSG(wxT("not implemented"));
return wxTreeItemId();
}
// ----------------------------------------------------------------------------
// operations
// ----------------------------------------------------------------------------
wxTreeItemId wxTreeListMainWindow::DoInsertItem(const wxTreeItemId& parentId,
size_t previous,
const wxString& text,
int image, int selImage,
wxTreeItemData *data)
{
wxTreeListItem *parent = (wxTreeListItem*) parentId.m_pItem;
if ( !parent )
{
// should we give a warning here?
return AddRoot(text, image, selImage, data);
}
m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
// ALB
wxArrayString arr;
arr.Alloc(GetColumnCount());
for(size_t i = 0; i < GetColumnCount(); ++i) {
arr.Add(wxEmptyString);
}
arr[m_main_column] = text;
wxTreeListItem *item =
new wxTreeListItem( this, parent, arr, image, selImage, data );
if ( data != NULL )
{
data->SetId((long)item);
}
parent->Insert( item, previous );
return item;
}
wxTreeItemId wxTreeListMainWindow::AddRoot(const wxString& text,
int image, int selImage,
wxTreeItemData *data)
{
wxCHECK_MSG(!m_anchor, wxTreeItemId(), wxT("tree can have only one root"));
wxCHECK_MSG(GetColumnCount(), wxTreeItemId(), wxT("Add column(s) before adding the root item"));
m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
// ALB
wxArrayString arr;
arr.Alloc(GetColumnCount());
for(size_t i = 0; i < GetColumnCount(); ++i) {
arr.Add(wxEmptyString);
}
arr[m_main_column] = text;
m_anchor = new wxTreeListItem( this, (wxTreeListItem *)NULL, arr,
image, selImage, data);
if (HasFlag(wxTR_HIDE_ROOT))
{
// if root is hidden, make sure we can navigate
// into children
m_anchor->SetHasPlus();
Expand(m_anchor);
}
if ( data != NULL )
{
data->SetId((long)m_anchor);
}
if (!HasFlag(wxTR_MULTIPLE))
{
m_current = m_key_current = m_anchor;
m_current->SetHilight( TRUE );
}
return m_anchor;
}
inline
wxTreeItemId wxTreeListMainWindow::PrependItem(const wxTreeItemId& parent,
const wxString& text,
int image, int selImage,
wxTreeItemData *data)
{
return DoInsertItem(parent, 0u, text, image, selImage, data);
}
inline
wxTreeItemId wxTreeListMainWindow::InsertItem(const wxTreeItemId& parentId,
const wxTreeItemId& idPrevious,
const wxString& text,
int image, int selImage,
wxTreeItemData *data)
{
wxTreeListItem *parent = (wxTreeListItem*) parentId.m_pItem;
if ( !parent )
{
// should we give a warning here?
return AddRoot(text, image, selImage, data);
}
int index = parent->GetChildren().Index((wxTreeListItem*) idPrevious.m_pItem);
wxASSERT_MSG( index != wxNOT_FOUND,
wxT("previous item in wxTreeListMainWindow::InsertItem() is not a sibling") );
return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
}
inline
wxTreeItemId wxTreeListMainWindow::InsertItem(const wxTreeItemId& parentId,
size_t before,
const wxString& text,
int image, int selImage,
wxTreeItemData *data)
{
wxTreeListItem *parent = (wxTreeListItem*) parentId.m_pItem;
if ( !parent )
{
// should we give a warning here?
return AddRoot(text, image, selImage, data);
}
return DoInsertItem(parentId, before, text, image, selImage, data);
}
inline
wxTreeItemId wxTreeListMainWindow::AppendItem(const wxTreeItemId& parentId,
const wxString& text,
int image, int selImage,
wxTreeItemData *data)
{
wxTreeListItem *parent = (wxTreeListItem*) parentId.m_pItem;
if ( !parent )
{
// should we give a warning here?
return AddRoot(text, image, selImage, data);
}
return DoInsertItem( parent, parent->GetChildren().Count(), text,
image, selImage, data);
}
void wxTreeListMainWindow::SendDeleteEvent(wxTreeListItem *item)
{
wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, m_owner->GetId() );
event.SetItem((long) item);
event.SetEventObject( /*this*/m_owner );
m_owner->ProcessEvent( event );
}
// inline
// void wxTreeListMainWindow::DeleteChildren(const wxTreeItemId& itemId)
// {
// m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
// wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
// item->DeleteChildren(this);
// }
// inline
// void wxTreeListMainWindow::Delete(const wxTreeItemId& itemId)
// {
// m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
// wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
// // don't stay with invalid m_key_current or we will crash in
// // the next call to OnChar()
// bool changeKeyCurrent = FALSE;
// wxTreeListItem *itemKey = m_key_current;
// while ( itemKey )
// {
// if ( itemKey == item )
// {
// // m_key_current is a descendant of the item being deleted
// changeKeyCurrent = TRUE;
// break;
// }
// itemKey = itemKey->GetParent();
// }
// wxTreeListItem *parent = item->GetParent();
// if ( parent )
// {
// parent->GetChildren().Remove( item ); // remove by value
// }
// if ( changeKeyCurrent )
// {
// // may be NULL or not
// m_key_current = parent;
// }
// item->DeleteChildren(this);
// SendDeleteEvent(item);
// delete item;
// }
// inline
// void wxTreeListMainWindow::DeleteAllItems()
// {
// if ( m_anchor )
// {
// m_dirty = TRUE;
// m_anchor->DeleteChildren(this);
// delete m_anchor;
// m_anchor = NULL;
// }
// }
inline
void wxTreeListMainWindow::DeleteChildren(const wxTreeItemId& itemId)
{
m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
// mst:16.10.03
// moved from Delete()
// don't stay with invalid m_key_current or we will crash in
// the next call to OnChar()
wxTreeListItem *itemKey = m_key_current;
while ( itemKey )
{
if ( itemKey == item )
{
// m_key_current is a descendant of the item which childrens being deleted
m_key_current = item;
break;
}
itemKey = itemKey->GetParent();
}
item->DeleteChildren(this);
}
inline
void wxTreeListMainWindow::Delete(const wxTreeItemId& itemId)
{
m_dirty = TRUE; // do this first so stuff below doesn't cause flicker
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
// mst:16.10.03
item->DeleteChildren(this);
wxTreeListItem *parent = item->GetParent();
if ( parent )
parent->GetChildren().Remove( item ); // remove by value
if (m_key_current == item)
m_key_current = parent;
SendDeleteEvent(item);
delete item;
}
inline
void wxTreeListMainWindow::DeleteAllItems()
{
if ( m_anchor )
{
m_dirty = TRUE;
m_key_current = NULL; // mst:16.10.03
m_anchor->DeleteChildren(this);
delete m_anchor;
m_anchor = NULL;
}
}
void wxTreeListMainWindow::Expand(const wxTreeItemId& itemId)
{
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
wxCHECK_RET( item, _T("invalid item in wxTreeListMainWindow::Expand") );
if ( !item->HasPlus() )
return;
if ( item->IsExpanded() )
return;
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, m_owner->GetId() );
event.SetItem( (long) item );
event.SetEventObject( /*this*/m_owner );
if ( m_owner->ProcessEvent( event ) && !event.IsAllowed() )
{
// cancelled by program
return;
}
item->Expand();
CalculatePositions();
RefreshSubtree(item);
event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
ProcessEvent( event );
}
void wxTreeListMainWindow::ExpandAll(const wxTreeItemId& item)
{
Expand(item);
if ( IsExpanded(item) )
{
long cookie;
wxTreeItemId child = GetFirstChild(item, cookie);
while ( child.IsOk() )
{
ExpandAll(child);
child = GetNextChild(item, cookie);
}
}
}
void wxTreeListMainWindow::Collapse(const wxTreeItemId& itemId)
{
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
if ( !item->IsExpanded() )
return;
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, m_owner->GetId() );
event.SetItem( (long) item );
event.SetEventObject( /*this*/m_owner );
if ( m_owner->ProcessEvent( event ) && !event.IsAllowed() )
{
// cancelled by program
return;
}
item->Collapse();
#if 0 // TODO why should items be collapsed recursively?
wxArrayTreeListItems& children = item->GetChildren();
size_t count = children.Count();
for ( size_t n = 0; n < count; n++ )
{
Collapse(children[n]);
}
#endif
CalculatePositions();
RefreshSubtree(item);
event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
ProcessEvent( event );
}
void wxTreeListMainWindow::CollapseAndReset(const wxTreeItemId& item)
{
Collapse(item);
DeleteChildren(item);
}
void wxTreeListMainWindow::Toggle(const wxTreeItemId& itemId)
{
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
if (item->IsExpanded())
Collapse(itemId);
else
Expand(itemId);
}
void wxTreeListMainWindow::Unselect()
{
if (m_current)
{
m_current->SetHilight( FALSE );
RefreshLine( m_current );
}
}
void wxTreeListMainWindow::UnselectAllChildren(wxTreeListItem *item)
{
if (item->IsSelected())
{
item->SetHilight(FALSE);
RefreshLine(item);
}
if (item->HasChildren())
{
wxArrayTreeListItems& children = item->GetChildren();
size_t count = children.Count();
for ( size_t n = 0; n < count; ++n )
{
UnselectAllChildren(children[n]);
}
}
}
void wxTreeListMainWindow::UnselectAll()
{
UnselectAllChildren((wxTreeListItem*) GetRootItem().m_pItem);
}
// Recursive function !
// To stop we must have crt_item<last_item
// Algorithm :
// Tag all next children, when no more children,
// Move to parent (not to tag)
// Keep going... if we found last_item, we stop.
bool wxTreeListMainWindow::TagNextChildren(wxTreeListItem *crt_item, wxTreeListItem *last_item, bool select)
{
wxTreeListItem *parent = crt_item->GetParent();
if (parent == NULL) // This is root item
return TagAllChildrenUntilLast(crt_item, last_item, select);
wxArrayTreeListItems& children = parent->GetChildren();
int index = children.Index(crt_item);
wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
size_t count = children.Count();
for (size_t n=(size_t)(index+1); n<count; ++n)
{
if (TagAllChildrenUntilLast(children[n], last_item, select)) return TRUE;
}
return TagNextChildren(parent, last_item, select);
}
bool wxTreeListMainWindow::TagAllChildrenUntilLast(wxTreeListItem *crt_item, wxTreeListItem *last_item, bool select)
{
crt_item->SetHilight(select);
RefreshLine(crt_item);
if (crt_item==last_item)
return TRUE;
if (crt_item->HasChildren())
{
wxArrayTreeListItems& children = crt_item->GetChildren();
size_t count = children.Count();
for ( size_t n = 0; n < count; ++n )
{
if (TagAllChildrenUntilLast(children[n], last_item, select))
return TRUE;
}
}
return FALSE;
}
void wxTreeListMainWindow::SelectItemRange(wxTreeListItem *item1, wxTreeListItem *item2)
{
// item2 is not necessary after item1
wxTreeListItem *first=NULL, *last=NULL;
// choice first' and 'last' between item1 and item2
if (item1->GetY()<item2->GetY())
{
first=item1;
last=item2;
}
else
{
first=item2;
last=item1;
}
bool select = m_current->IsSelected();
if ( TagAllChildrenUntilLast(first,last,select) )
return;
TagNextChildren(first,last,select);
}
void wxTreeListMainWindow::SelectItem(const wxTreeItemId& itemId,
bool unselect_others,
bool extended_select)
{
wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
//wxCHECK_RET( ( (!unselect_others) && is_single),
// wxT("this is a single selection tree") );
// to keep going anyhow !!!
if (is_single)
{
if (item->IsSelected())
return; // nothing to do
unselect_others = TRUE;
extended_select = FALSE;
}
else if ( unselect_others && item->IsSelected() )
{
// selection change if there is more than one item currently selected
wxArrayTreeItemIds selected_items;
if ( GetSelections(selected_items) == 1 )
return;
}
wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, m_owner->GetId() );
event.SetItem( (long) item );
event.SetOldItem( (long) m_current );
event.SetEventObject( /*this*/m_owner );
// TODO : Here we don't send any selection mode yet !
if(m_owner->GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed())
return;
wxTreeItemId parent = GetParent( itemId );
while (parent.IsOk())
{
if (!IsExpanded(parent))
Expand( parent );
parent = GetParent( parent );
}
EnsureVisible( itemId );
// ctrl press
if (unselect_others)
{
if (is_single) Unselect(); // to speed up thing
else UnselectAll();
}
// shift press
if (extended_select)
{
if ( !m_current )
{
m_current = m_key_current = (wxTreeListItem*) GetRootItem().m_pItem;
}
// don't change the mark (m_current)
SelectItemRange(m_current, item);
}
else
{
bool select=TRUE; // the default
// Check if we need to toggle hilight (ctrl mode)
if (!unselect_others)
select=!item->IsSelected();
m_current = m_key_current = item;
m_current->SetHilight(select);
RefreshLine( m_current );
}
event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
GetEventHandler()->ProcessEvent( event );
}
void wxTreeListMainWindow::FillArray(wxTreeListItem *item,
wxArrayTreeItemIds &array) const
{
if ( item->IsSelected() )
array.Add(wxTreeItemId(item));
if ( item->HasChildren() )
{
wxArrayTreeListItems& children = item->GetChildren();
size_t count = children.GetCount();
for ( size_t n = 0; n < count; ++n )
FillArray(children[n], array);
}
}
size_t wxTreeListMainWindow::GetSelections(wxArrayTreeItemIds &array) const
{
array.Empty();
wxTreeItemId idRoot = GetRootItem();
if ( idRoot.IsOk() )
{
FillArray((wxTreeListItem*) idRoot.m_pItem, array);
}
//else: the tree is empty, so no selections
return array.Count();
}
void wxTreeListMainWindow::EnsureVisible(const wxTreeItemId& item)
{
if (!item.IsOk()) return;
wxTreeListItem *gitem = (wxTreeListItem*) item.m_pItem;
// first expand all parent branches
wxTreeListItem *parent = gitem->GetParent();
while ( parent )
{
Expand(parent);
parent = parent->GetParent();
}
//if (parent) CalculatePositions();
ScrollTo(item);
}
void wxTreeListMainWindow::ScrollTo(const wxTreeItemId &item)
{
if (!item.IsOk()) return;
// We have to call this here because the label in
// question might just have been added and no screen
// update taken place.
if (m_dirty) wxYieldIfNeeded();
wxTreeListItem *gitem = (wxTreeListItem*) item.m_pItem;
// now scroll to the item
int item_y = gitem->GetY();
int start_x = 0;
int start_y = 0;
GetViewStart( &start_x, &start_y );
start_y *= PIXELS_PER_UNIT;
int client_h = 0;
int client_w = 0;
GetClientSize( &client_w, &client_h );
if (item_y < start_y+3)
{
// going down
int x = 0;
int y = 0;
m_anchor->GetSize( x, y, this );
x = m_owner->GetHeaderWindow()->GetWidth(); //m_total_col_width; // ALB
y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
//x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
int x_pos = GetScrollPos( wxHORIZONTAL );
// Item should appear at top
SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, item_y/PIXELS_PER_UNIT );
}
else if (item_y+GetLineHeight(gitem) > start_y+client_h)
{
// going up
int x = 0;
int y = 0;
m_anchor->GetSize( x, y, this );
y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
//x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
x = m_owner->GetHeaderWindow()->GetWidth(); //m_total_col_width; // ALB
item_y += PIXELS_PER_UNIT+2;
int x_pos = GetScrollPos( wxHORIZONTAL );
// Item should appear at bottom
SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, (item_y+GetLineHeight(gitem)-client_h)/PIXELS_PER_UNIT );
}
}
// FIXME: tree sorting functions are not reentrant and not MT-safe!
static wxTreeListMainWindow *s_treeBeingSorted = NULL;
static int LINKAGEMODE tree_ctrl_compare_func(wxTreeListItem **item1,
wxTreeListItem **item2)
{
wxCHECK_MSG( s_treeBeingSorted, 0, wxT("bug in wxTreeListMainWindow::SortChildren()") );
return s_treeBeingSorted->OnCompareItems(*item1, *item2);
}
int wxTreeListMainWindow::OnCompareItems(const wxTreeItemId& item1,
const wxTreeItemId& item2)
{
// ALB: delegate to m_owner, to let the user overrride the comparison
//return wxStrcmp(GetItemText(item1), GetItemText(item2));
return m_owner->OnCompareItems(item1, item2);
}
void wxTreeListMainWindow::SortChildren(const wxTreeItemId& itemId)
{
wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
wxTreeListItem *item = (wxTreeListItem*) itemId.m_pItem;
wxCHECK_RET( !s_treeBeingSorted,
wxT("wxTreeListMainWindow::SortChildren is not reentrant") );
wxArrayTreeListItems& children = item->GetChildren();
if ( children.Count() > 1 )
{
m_dirty = TRUE;
s_treeBeingSorted = this;
children.Sort(tree_ctrl_compare_func);
s_treeBeingSorted = NULL;
}
//else: don't make the tree dirty as nothing changed
}
inline
wxImageList *wxTreeListMainWindow::GetImageList() const
{
return m_imageListNormal;
}
inline
wxImageList *wxTreeListMainWindow::GetButtonsImageList() const
{
return m_imageListButtons;
}
inline
wxImageList *wxTreeListMainWindow::GetStateImageList() const
{
return m_imageListState;
}
void wxTreeListMainWindow::CalculateLineHeight()
{
wxClientDC dc(this);
m_lineHeight = (int)(dc.GetCharHeight() + m_linespacing*2);
if ( m_imageListNormal )
{
// Calculate a m_lineHeight value from the normal Image sizes.
// May be toggle off. Then wxTreeListMainWindow will spread when
// necessary (which might look ugly).
int n = m_imageListNormal->GetImageCount();
for (int i = 0; i < n ; i++)
{
int width = 0, height = 0;
m_imageListNormal->GetSize(i, width, height);
if (height > m_lineHeight) m_lineHeight = height;
}
}
if (m_imageListButtons)
{
// Calculate a m_lineHeight value from the Button image sizes.
// May be toggle off. Then wxTreeListMainWindow will spread when
// necessary (which might look ugly).
int n = m_imageListButtons->GetImageCount();
for (int i = 0; i < n ; i++)
{
int width = 0, height = 0;
m_imageListButtons->GetSize(i, width, height);
if (height > m_lineHeight) m_lineHeight = height;
}
}
if (m_lineHeight < 30)
m_lineHeight += 2; // at least 2 pixels
else
m_lineHeight += m_lineHeight/10; // otherwise 10% extra spacing
}
inline
void wxTreeListMainWindow::SetImageList(wxImageList *imageList)
{
if (m_ownsImageListNormal) delete m_imageListNormal;
m_imageListNormal = imageList;
m_ownsImageListNormal = FALSE;
m_dirty = TRUE;
CalculateLineHeight();
}
inline
void wxTreeListMainWindow::SetStateImageList(wxImageList *imageList)
{
if (m_ownsImageListState) delete m_imageListState;
m_imageListState = imageList;
m_ownsImageListState = FALSE;
}
inline
void wxTreeListMainWindow::SetButtonsImageList(wxImageList *imageList)
{
if (m_ownsImageListButtons) delete m_imageListButtons;
m_imageListButtons = imageList;
m_ownsImageListButtons = FALSE;
m_dirty = TRUE;
CalculateLineHeight();
}
inline
void wxTreeListMainWindow::AssignImageList(wxImageList *imageList)
{
SetImageList(imageList);
m_ownsImageListNormal = TRUE;
}
inline
void wxTreeListMainWindow::AssignStateImageList(wxImageList *imageList)
{
SetStateImageList(imageList);
m_ownsImageListState = TRUE;
}
inline
void wxTreeListMainWindow::AssignButtonsImageList(wxImageList *imageList)
{
SetButtonsImageList(imageList);
m_ownsImageListButtons = TRUE;
}
// ----------------------------------------------------------------------------
// helpers
// ----------------------------------------------------------------------------
void wxTreeListMainWindow::AdjustMyScrollbars()
{
if (m_anchor)
{
int x = 0, y = 0;
m_anchor->GetSize( x, y, this );
y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
//x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
int x_pos = GetScrollPos( wxHORIZONTAL );
int y_pos = GetScrollPos( wxVERTICAL );
x = m_owner->GetHeaderWindow()->GetWidth() + 2;
if(x < GetClientSize().GetWidth()) x_pos = 0;
//m_total_col_width + 2; // ALB
SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT,
y/PIXELS_PER_UNIT, x_pos, y_pos );
}
else
{
SetScrollbars( 0, 0, 0, 0 );
}
}
int wxTreeListMainWindow::GetLineHeight(wxTreeListItem *item) const
{
if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HEIGHT)
return item->GetHeight();
else
return m_lineHeight;
}
void wxTreeListMainWindow::PaintItem(wxTreeListItem *item, wxDC& dc)
{
// TODO implement "state" icon on items
wxTreeItemAttr *attr = item->GetAttributes();
if ( attr && attr->HasFont() )
dc.SetFont(attr->GetFont());
else if (item->IsBold())
dc.SetFont(m_boldFont);
long text_w = 0, text_h = 0;
dc.GetTextExtent( item->GetText(GetMainColumn()), &text_w, &text_h );
int total_h = GetLineHeight(item);
if ( item->IsSelected() )
{
dc.SetBrush(*(m_hasFocus ? m_hilightBrush : m_hilightUnfocusedBrush));
}
else
{
wxColour colBg;
if ( attr && attr->HasBackgroundColour() )
colBg = attr->GetBackgroundColour();
else
colBg = m_backgroundColour;
dc.SetBrush(wxBrush(colBg, wxSOLID));
}
int offset = HasFlag(wxTR_ROW_LINES) ? 1 : 0;
dc.DrawRectangle(0, item->GetY()+offset,
m_owner->GetHeaderWindow()->GetWidth(),
total_h-offset);
dc.SetBackgroundMode(wxTRANSPARENT);
int extraH = (total_h > text_h) ? (total_h - text_h)/2 : 0;
int extra_offset = 0;
for(size_t i = 0; i < GetColumnCount(); ++i) {
int coord_x = extra_offset, image_x = coord_x;
int clip_width = m_owner->GetHeaderWindow()->GetColumnWidth(i);
int image_h = 0, image_w = 0; //2;
int image = NO_IMAGE;
if(i == GetMainColumn()) {
image = item->GetCurrentImage();
coord_x = item->GetX();
}
else {
image = item->GetImage(i);
}
if(image != NO_IMAGE) {
if(m_imageListNormal) {
m_imageListNormal->GetSize( image, image_w, image_h );
image_w += 4;
}
else {
image = NO_IMAGE;
}
}
// honor text alignment
wxString text = item->GetText(i);
switch(m_owner->GetHeaderWindow()->GetColumn(i).GetAlignment()) {
case wxTL_ALIGN_LEFT:
coord_x += image_w + 2;
image_x = coord_x - image_w;
break;
case wxTL_ALIGN_RIGHT:
dc.GetTextExtent(text, &text_w, NULL);
coord_x += clip_width - text_w - image_w - 2;
image_x = coord_x - image_w;
break;
case wxTL_ALIGN_CENTER:
dc.GetTextExtent(text, &text_w, NULL);
//coord_x += (clip_width - text_w)/2 + image_w;
image_x += (clip_width - text_w - image_w)/2 + 2;
coord_x = image_x + image_w;
}
wxDCClipper clipper(dc, /*coord_x,*/ extra_offset,
item->GetY() + extraH, clip_width,
total_h);
if(image != NO_IMAGE) {
m_imageListNormal->Draw( image, dc, image_x,
item->GetY() +((total_h > image_h)?
((total_h-image_h)/2):0),
wxIMAGELIST_DRAW_TRANSPARENT );
}
dc.DrawText( text,
(wxCoord)(coord_x /*image_w + item->GetX()*/),
(wxCoord)(item->GetY() + extraH));
extra_offset += m_owner->GetHeaderWindow()->GetColumnWidth(i);
}
// restore normal font
dc.SetFont( m_normalFont );
}
// Now y stands for the top of the item, whereas it used to stand for middle !
void wxTreeListMainWindow::PaintLevel( wxTreeListItem *item, wxDC &dc,
int level, int &y, int x_offset )
{
int x = level*m_indent + x_offset;
if (!HasFlag(wxTR_HIDE_ROOT))
{
x += m_indent;
}
else if (level == 0)
{
// always expand hidden root
int origY = y;
wxArrayTreeListItems& children = item->GetChildren();
int count = children.Count();
if (count > 0)
{
int n = 0, oldY;
do {
oldY = y;
PaintLevel(children[n], dc, 1, y, x_offset);
} while (++n < count);
if (!HasFlag(wxTR_NO_LINES) && HasFlag(wxTR_LINES_AT_ROOT) &&
count > 0)
{
// draw line down to last child
origY += GetLineHeight(children[0])>>1;
oldY += GetLineHeight(children[n-1])>>1;
dc.DrawLine(3, origY, 3, oldY);
}
}
return;
}
item->SetX(x+m_spacing);
item->SetY(y);
int h = GetLineHeight(item);
int y_top = y;
int y_mid = y_top + (h>>1);
y += h;
int exposed_x = dc.LogicalToDeviceX(0);
int exposed_y = dc.LogicalToDeviceY(y_top);
if (IsExposed(exposed_x, exposed_y, 10000, h)) // 10000 = very much
{
wxPen *pen =
#ifndef __WXMAC__
// don't draw rect outline if we already have the
// background color under Mac
(item->IsSelected() && m_hasFocus) ? wxBLACK_PEN :
#endif // !__WXMAC__
wxTRANSPARENT_PEN;
wxColour colText;
if ( item->IsSelected() )
{
colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
}
else
{
wxTreeItemAttr *attr = item->GetAttributes();
if (attr && attr->HasTextColour())
colText = attr->GetTextColour();
else
//colText = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT);
colText = GetForegroundColour();
}
// prepare to draw
dc.SetTextForeground(colText);
dc.SetPen(*pen);
// draw
PaintItem(item, dc);
if (HasFlag(wxTR_ROW_LINES))
{
int total_width = m_owner->GetHeaderWindow()->GetWidth();
// if the background colour is white, choose a
// contrasting color for the lines
dc.SetPen(*((GetBackgroundColour() == *wxWHITE)
? wxMEDIUM_GREY_PEN : wxWHITE_PEN));
dc.DrawLine(0, y_top, total_width, y_top);
dc.DrawLine(0, y, total_width, y);
}
// restore DC objects
dc.SetBrush(*wxWHITE_BRUSH);
dc.SetPen(m_dottedPen);
dc.SetTextForeground(*wxBLACK);
size_t clip_width = m_owner->GetHeaderWindow()->GetColumn(
m_main_column).GetWidth();
//m_columns[m_main_column].GetWidth();
if (item->HasPlus() && HasButtons()) // should the item show a button?
{
// clip to the column width
wxDCClipper clipper(dc, x_offset, y_top, clip_width, 10000);
if (!HasFlag(wxTR_NO_LINES))
{
if (x > (signed)m_indent)
dc.DrawLine(x - m_indent, y_mid, x - 5, y_mid);
else if (HasFlag(wxTR_LINES_AT_ROOT))
dc.DrawLine(3, y_mid, x - 5, y_mid);
dc.DrawLine(x + 5, y_mid, x + m_spacing, y_mid);
}
if (m_imageListButtons != NULL)
{
// draw the image button here
int image_h = 0, image_w = 0, image = wxTreeItemIcon_Normal;
if (item->IsExpanded()) image = wxTreeItemIcon_Expanded;
if (item->IsSelected())
image += wxTreeItemIcon_Selected - wxTreeItemIcon_Normal;
m_imageListButtons->GetSize(image, image_w, image_h);
int xx = x - (image_w>>1);
int yy = y_mid - (image_h>>1);
dc.SetClippingRegion(xx, yy, image_w, image_h);
m_imageListButtons->Draw(image, dc, xx, yy,
wxIMAGELIST_DRAW_TRANSPARENT);
dc.DestroyClippingRegion();
}
else if (HasFlag(wxTR_TWIST_BUTTONS))
{
// draw the twisty button here
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*m_hilightBrush);
wxPoint button[3];
if (item->IsExpanded())
{
button[0].x = x-5;
button[0].y = y_mid-2;
button[1].x = x+5;
button[1].y = y_mid-2;
button[2].x = x;
button[2].y = y_mid+3;
}
else
{
button[0].y = y_mid-5;
button[0].x = x-2;
button[1].y = y_mid+5;
button[1].x = x-2;
button[2].y = y_mid;
button[2].x = x+3;
}
dc.DrawPolygon(3, button);
dc.SetPen(m_dottedPen);
}
else // if (HasFlag(wxTR_HAS_BUTTONS))
{
// draw the plus sign here
dc.SetPen(*wxGREY_PEN);
dc.SetBrush(*wxWHITE_BRUSH);
dc.DrawRectangle(x-5, y_mid-4, 11, 9);
dc.SetPen(*wxBLACK_PEN);
dc.DrawLine(x-2, y_mid, x+3, y_mid);
if (!item->IsExpanded())
dc.DrawLine(x, y_mid-2, x, y_mid+3);
dc.SetPen(m_dottedPen);
}
}
else if (!HasFlag(wxTR_NO_LINES)) // no button; maybe a line?
{
// clip to the column width
wxDCClipper clipper(dc, x_offset, y_top, clip_width, 10000);
// draw the horizontal line here
int x_start = x;
if (x > (signed)m_indent)
x_start -= m_indent;
else if (HasFlag(wxTR_LINES_AT_ROOT))
x_start = 3;
dc.DrawLine(x_start, y_mid, x + m_spacing, y_mid);
}
}
if (item->IsExpanded())
{
wxArrayTreeListItems& children = item->GetChildren();
int count = children.Count();
if (count > 0)
{
int n = 0, oldY;
++level;
do {
oldY = y;
PaintLevel(children[n], dc, level, y, x_offset);
} while (++n < count);
if (!HasFlag(wxTR_NO_LINES) && count > 0)
{
size_t clip_width = m_owner->GetHeaderWindow()->GetColumn(
m_main_column).GetWidth();
//m_columns[m_main_column].GetWidth();
// clip to the column width
wxDCClipper clipper(dc, x_offset, y_top, clip_width, 10000);
// draw line down to last child
oldY += GetLineHeight(children[n-1])>>1;
if (HasButtons()) y_mid += 5;
dc.DrawLine(x, y_mid, x, oldY);
}
}
}
}
void wxTreeListMainWindow::DrawDropEffect(wxTreeListItem *item)
{
if ( item )
{
if ( item->HasPlus() )
{
// it's a folder, indicate it by a border
DrawBorder(item);
}
else
{
// draw a line under the drop target because the item will be
// dropped there
DrawLine(item, TRUE /* below */);
}
SetCursor(wxCURSOR_BULLSEYE);
}
else
{
// can't drop here
SetCursor(wxCURSOR_NO_ENTRY);
}
}
void wxTreeListMainWindow::DrawBorder(const wxTreeItemId &item)
{
wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeListMainWindow::DrawLine") );
wxTreeListItem *i = (wxTreeListItem*) item.m_pItem;
wxClientDC dc(this);
PrepareDC( dc );
dc.SetLogicalFunction(wxINVERT);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
int w = i->GetWidth() + 2;
int h = GetLineHeight(i) + 2;
dc.DrawRectangle( i->GetX() - 1, i->GetY() - 1, w, h);
}
void wxTreeListMainWindow::DrawLine(const wxTreeItemId &item, bool below)
{
wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeListMainWindow::DrawLine") );
wxTreeListItem *i = (wxTreeListItem*) item.m_pItem;
wxClientDC dc(this);
PrepareDC( dc );
dc.SetLogicalFunction(wxINVERT);
int x = i->GetX(),
y = i->GetY();
if ( below )
{
y += GetLineHeight(i) - 1;
}
dc.DrawLine( x, y, x + i->GetWidth(), y);
}
// ----------------------------------------------------------------------------
// wxWindows callbacks
// ----------------------------------------------------------------------------
void wxTreeListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxPaintDC dc(this);
PrepareDC( dc );
if(!GetColumnCount()) return; // ALB
if ( !m_anchor)
return;
dc.SetFont( m_normalFont );
dc.SetPen( m_dottedPen );
// this is now done dynamically
//if(GetImageList() == NULL)
// m_lineHeight = (int)(dc.GetCharHeight() + 4);
int y = 0; //HEADER_HEIGHT; //2;
int x_offset = 0;
for(size_t i = 0; i < GetMainColumn(); ++i) {
x_offset += m_owner->GetHeaderWindow()->GetColumnWidth(i);
}
PaintLevel( m_anchor, dc, 0, y, x_offset );
}
void wxTreeListMainWindow::OnSetFocus( wxFocusEvent &event )
{
m_hasFocus = TRUE;
RefreshSelected();
event.Skip();
}
void wxTreeListMainWindow::OnKillFocus( wxFocusEvent &event )
{
m_hasFocus = FALSE;
RefreshSelected();
event.Skip();
}
void wxTreeListMainWindow::OnChar( wxKeyEvent &event )
{
wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, m_owner->GetId() );
te.SetKeyEvent( event );
te.SetEventObject( /*this*/m_owner );
if ( m_owner->GetEventHandler()->ProcessEvent( te ) )
{
// intercepted by the user code
return;
}
if ( (m_current == 0) || (m_key_current == 0) )
{
event.Skip();
return;
}
// how should the selection work for this event?
bool is_multiple, extended_select, unselect_others;
EventFlagsToSelType(GetWindowStyleFlag(),
event.ShiftDown(),
event.ControlDown(),
is_multiple, extended_select, unselect_others);
// + : Expand (not on Win32)
// - : Collaspe (not on Win32)
// * : Expand all/Collapse all
// ' ' | return : activate
// up : go up (not last children!)
// down : go down
// left : go to parent (or collapse on Win32)
// right : open if parent and go next (or expand on Win32)
// home : go to root
// end : go to last item without opening parents
switch (event.GetKeyCode())
{
#ifndef __WXMSW__ // mimic the standard win32 tree ctrl
case '+':
case WXK_ADD:
if (m_current->HasPlus() && !IsExpanded(m_current))
{
Expand(m_current);
}
break;
#endif // __WXMSW__
case '*':
case WXK_MULTIPLY:
if ( !IsExpanded(m_current) )
{
// expand all
ExpandAll(m_current);
break;
}
//else: fall through to Collapse() it
#ifndef __WXMSW__ // mimic the standard wxTreeCtrl behaviour
case '-':
case WXK_SUBTRACT:
if (IsExpanded(m_current))
{
Collapse(m_current);
}
break;
#endif // __WXMSW__
case ' ':
case WXK_RETURN:
{
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED,
m_owner->GetId() );
event.SetItem( (long) m_current);
event.SetEventObject( /*this*/m_owner );
m_owner->GetEventHandler()->ProcessEvent( event );
}
break;
// up goes to the previous sibling or to the last
// of its children if it's expanded
case WXK_UP:
{
wxTreeItemId prev = GetPrevSibling( m_key_current );
if (!prev)
{
prev = GetParent( m_key_current );
if ((prev == GetRootItem()) && HasFlag(wxTR_HIDE_ROOT))
{
break; // don't go to root if it is hidden
}
if (prev)
{
long cookie = 0;
wxTreeItemId current = m_key_current;
// TODO: Huh? If we get here, we'd better be the first child of our parent. How else could it be?
if (current == GetFirstChild( prev, cookie ))
{
// otherwise we return to where we came from
SelectItem( prev, unselect_others, extended_select );
m_key_current= (wxTreeListItem*) prev.m_pItem;
EnsureVisible( prev );
break;
}
}
}
if (prev)
{
while ( IsExpanded(prev) && HasChildren(prev) )
{
wxTreeItemId child = GetLastChild(prev);
if ( child )
{
prev = child;
}
}
SelectItem( prev, unselect_others, extended_select );
m_key_current=(wxTreeListItem*) prev.m_pItem;
EnsureVisible( prev );
}
}
break;
// left arrow goes to the parent
case WXK_LEFT:
#if defined(__WXMSW__) // mimic the standard win32 tree ctrl
if (IsExpanded(m_current))
{
Collapse(m_current);
}
else
#endif // __WXMSW__
{
wxTreeItemId prev = GetParent( m_current );
if ((prev == GetRootItem()) && HasFlag(wxTR_HIDE_ROOT))
{
// don't go to root if it is hidden
prev = GetPrevSibling( m_current );
}
if (prev)
{
EnsureVisible( prev );
SelectItem( prev, unselect_others, extended_select );
}
}
break;
case WXK_RIGHT:
#if defined(__WXMSW__) // mimic the standard win32 tree ctrl
if (m_current->HasPlus() && !IsExpanded(m_current))
{
Expand(m_current);
break;
}
#endif // __WXMSW__
// this works the same as the down arrow except that we
// also expand the item if it wasn't expanded yet
Expand(m_current);
// fall through
case WXK_DOWN:
{
if (IsExpanded(m_key_current) && HasChildren(m_key_current))
{
long cookie = 0;
wxTreeItemId child = GetFirstChild( m_key_current, cookie );
SelectItem( child, unselect_others, extended_select );
m_key_current=(wxTreeListItem*) child.m_pItem;
EnsureVisible( child );
}
else
{
wxTreeItemId next = GetNextSibling( m_key_current );
if (!next)
{
wxTreeItemId current = m_key_current;
while (current && !next)
{
current = GetParent( current );
if (current) next = GetNextSibling( current );
}
}
if (next)
{
SelectItem( next, unselect_others, extended_select );
m_key_current=(wxTreeListItem*) next.m_pItem;
EnsureVisible( next );
}
}
}
break;
// <End> selects the last visible tree item
case WXK_END:
{
wxTreeItemId last = GetRootItem();
while ( last.IsOk() && IsExpanded(last) )
{
wxTreeItemId lastChild = GetLastChild(last);
// it may happen if the item was expanded but then all of
// its children have been deleted - so IsExpanded() returned
// TRUE, but GetLastChild() returned invalid item
if ( !lastChild )
break;
last = lastChild;
}
if ( last.IsOk() )
{
EnsureVisible( last );
SelectItem( last, unselect_others, extended_select );
}
}
break;
// <Home> selects the root item
case WXK_HOME:
{
wxTreeItemId prev = GetRootItem();
if (!prev) break;
if (HasFlag(wxTR_HIDE_ROOT))
{
long dummy;
prev = GetFirstChild(prev, dummy);
if (!prev) break;
}
EnsureVisible( prev );
SelectItem( prev, unselect_others, extended_select );
}
break;
default:
event.Skip();
}
}
wxTreeItemId wxTreeListMainWindow::HitTest(const wxPoint& point, int& flags,
int& column)
{
// JACS: removed wxYieldIfNeeded() because it can cause the window
// to be deleted from under us if a close window event is pending
int w, h;
GetSize(&w, &h);
flags=0;
column = -1;
if (point.x<0) flags |= wxTREE_HITTEST_TOLEFT;
if (point.x>w) flags |= wxTREE_HITTEST_TORIGHT;
if (point.y<0) flags |= wxTREE_HITTEST_ABOVE;
if (point.y>h) flags |= wxTREE_HITTEST_BELOW;
if (flags) return wxTreeItemId();
if (m_anchor == NULL)
{
flags = wxTREE_HITTEST_NOWHERE;
return wxTreeItemId();
}
wxTreeListItem *hit = m_anchor->HitTest(CalcUnscrolledPosition(point),
this, flags, column, 0);
if (hit == NULL)
{
flags = wxTREE_HITTEST_NOWHERE;
return wxTreeItemId();
}
return hit;
}
// get the bounding rectangle of the item (or of its label only)
bool wxTreeListMainWindow::GetBoundingRect(const wxTreeItemId& item,
wxRect& rect,
bool WXUNUSED(textOnly)) const
{
wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid item in wxTreeListMainWindow::GetBoundingRect") );
wxTreeListItem *i = (wxTreeListItem*) item.m_pItem;
int startX, startY;
GetViewStart(& startX, & startY);
rect.x = i->GetX() - startX*PIXELS_PER_UNIT;
rect.y = i->GetY() - startY*PIXELS_PER_UNIT;
rect.width = i->GetWidth();
//rect.height = i->GetHeight();
rect.height = GetLineHeight(i);
return TRUE;
}
/* **** */
void wxTreeListMainWindow::Edit( const wxTreeItemId& item )
{
if (!item.IsOk()) return;
m_currentEdit = (wxTreeListItem*) item.m_pItem;
wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, m_owner->GetId() );
te.SetItem( (long) m_currentEdit);
te.SetEventObject( /*this*/m_owner );
m_owner->GetEventHandler()->ProcessEvent( te );
if (!te.IsAllowed()) return;
// We have to call this here because the label in
// question might just have been added and no screen
// update taken place.
if (m_dirty) wxYieldIfNeeded();
wxString s = m_currentEdit->GetText(/*ALB*/m_main_column);
int x = m_currentEdit->GetX();
int y = m_currentEdit->GetY();
int w = m_currentEdit->GetWidth();
int h = m_currentEdit->GetHeight();
int image_h = 0;
int image_w = 0;
int image = m_currentEdit->GetCurrentImage();
if ( image != NO_IMAGE )
{
if ( m_imageListNormal )
{
m_imageListNormal->GetSize( image, image_w, image_h );
image_w += 4;
}
else
{
wxFAIL_MSG(_T("you must create an image list to use images!"));
}
}
x += image_w;
w -= image_w + 4; // I don't know why +4 is needed
wxClientDC dc(this);
PrepareDC( dc );
x = dc.LogicalToDeviceX( x );
y = dc.LogicalToDeviceY( y );
wxTreeListTextCtrl *text = new wxTreeListTextCtrl(this, -1,
&m_renameAccept,
&m_renameRes,
this,
s,
wxPoint(x-4,y-4),
wxSize(w+11,h+8));
text->SetFocus();
}
void wxTreeListMainWindow::OnRenameTimer()
{
Edit( m_current );
}
void wxTreeListMainWindow::OnRenameAccept()
{
// TODO if the validator fails this causes a crash
wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, m_owner->GetId() );
le.SetItem( (long) m_currentEdit );
le.SetEventObject( /*this*/m_owner );
le.SetLabel( m_renameRes );
m_owner->GetEventHandler()->ProcessEvent( le );
if (!le.IsAllowed()) return;
SetItemText( m_currentEdit, m_renameRes );
}
void wxTreeListMainWindow::OnMouse( wxMouseEvent &event )
{
if ( !m_anchor ) return;
// we process left mouse up event (enables in-place edit), right down
// (pass to the user code), left dbl click (activate item) and
// dragging/moving events for items drag-and-drop
if ( !(event.LeftDown() ||
event.LeftUp() ||
event.RightDown() ||
event.LeftDClick() ||
event.Dragging() ||
((event.Moving() || event.RightUp()) && m_isDragging)) )
{
event.Skip();
return;
}
if ( event.LeftDown() )
SetFocus();
wxClientDC dc(this);
PrepareDC(dc);
wxCoord x = dc.DeviceToLogicalX( event.GetX() );
wxCoord y = dc.DeviceToLogicalY( event.GetY() );
int flags = 0;
wxTreeListItem *item = m_anchor->HitTest(wxPoint(x,y), this, flags, 0);
if ( event.Dragging() && !m_isDragging )
{
if (m_dragCount == 0)
m_dragStart = wxPoint(x,y);
m_dragCount++;
if (m_dragCount != 3)
{
// wait until user drags a bit further...
return;
}
wxEventType command = event.RightIsDown()
? wxEVT_COMMAND_TREE_BEGIN_RDRAG
: wxEVT_COMMAND_TREE_BEGIN_DRAG;
wxTreeEvent nevent( command,/*ALB*/ m_owner->GetId() );
nevent.SetItem( (long) m_current);
nevent.SetEventObject(/*this*/m_owner); // ALB
// by default the dragging is not supported, the user code must
// explicitly allow the event for it to take place
nevent.Veto();
if ( m_owner->GetEventHandler()->ProcessEvent(nevent) &&
nevent.IsAllowed() )
{
// we're going to drag this item
m_isDragging = TRUE;
// remember the old cursor because we will change it while
// dragging
m_oldCursor = m_cursor;
// in a single selection control, hide the selection temporarily
if ( !(GetWindowStyleFlag() & wxTR_MULTIPLE) )
{
m_oldSelection = (wxTreeListItem*) GetSelection().m_pItem;
if ( m_oldSelection )
{
m_oldSelection->SetHilight(FALSE);
RefreshLine(m_oldSelection);
}
}
CaptureMouse();
}
}
else if ( event.Moving() )
{
if ( item != m_dropTarget )
{
// unhighlight the previous drop target
DrawDropEffect(m_dropTarget);
m_dropTarget = item;
// highlight the current drop target if any
DrawDropEffect(m_dropTarget);
wxYieldIfNeeded();
}
}
else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
{
// erase the highlighting
DrawDropEffect(m_dropTarget);
if ( m_oldSelection )
{
m_oldSelection->SetHilight(TRUE);
RefreshLine(m_oldSelection);
m_oldSelection = (wxTreeListItem *)NULL;
}
// generate the drag end event
wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG,/*ALB*/m_owner->GetId());
event.SetItem( (long) item );
event.SetPoint( wxPoint(x, y) );
event.SetEventObject(/*this*/m_owner);
(void)m_owner->GetEventHandler()->ProcessEvent(event);
m_isDragging = FALSE;
m_dropTarget = (wxTreeListItem *)NULL;
ReleaseMouse();
SetCursor(m_oldCursor);
wxYieldIfNeeded();
}
else
{
// here we process only the messages which happen on tree items
m_dragCount = 0;
if (item == NULL) return; /* we hit the blank area */
if ( event.RightDown() )
{
SetFocus();
wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK,
m_owner->GetId());
nevent.SetItem( (long) item );
int nx, ny;
CalcScrolledPosition(x, y, &nx, &ny);
nevent.SetPoint( wxPoint(nx, ny));
nevent.SetEventObject(/*this*/m_owner);
m_owner->GetEventHandler()->ProcessEvent(nevent);
}
else if ( event.LeftUp() )
{
if ( m_lastOnSame )
{
if ( (item == m_current) &&
(flags & wxTREE_HITTEST_ONITEMLABEL) &&
HasFlag(wxTR_EDIT_LABELS) )
{
if ( m_renameTimer->IsRunning() )
m_renameTimer->Stop();
m_renameTimer->Start( 100, TRUE );
}
m_lastOnSame = FALSE;
}
}
else // !RightDown() && !LeftUp() ==> LeftDown() || LeftDClick()
{
if ( event.LeftDown() )
{
SetFocus();
m_lastOnSame = item == m_current;
}
if ( flags & wxTREE_HITTEST_ONITEMBUTTON )
{
// only toggle the item for a single click, double click on
// the button doesn't do anything (it toggles the item twice)
if ( event.LeftDown() )
{
Toggle( item );
}
// don't select the item if the button was clicked
return;
}
// how should the selection work for this event?
bool is_multiple, extended_select, unselect_others;
EventFlagsToSelType(GetWindowStyleFlag(),
event.ShiftDown(),
event.ControlDown(),
is_multiple, extended_select, unselect_others);
SelectItem(item, unselect_others, extended_select);
// For some reason, Windows isn't recognizing a left double-click,
// so we need to simulate it here. Allow 200 milliseconds for now.
if ( event.LeftDClick() )
{
// double clicking should not start editing the item label
m_renameTimer->Stop();
m_lastOnSame = FALSE;
// send activate event first
wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED,
m_owner->GetId() );
nevent.SetItem( (long) item );
int nx, ny;
CalcScrolledPosition(x, y, &nx, &ny);
nevent.SetPoint( wxPoint(nx, ny) );
nevent.SetEventObject( /*this*/m_owner );
if ( !m_owner->GetEventHandler()->ProcessEvent( nevent ) )
{
// if the user code didn't process the activate event,
// handle it ourselves by toggling the item when it is
// double clicked
if ( item->HasPlus() )
{
Toggle(item);
}
}
}
}
}
}
void wxTreeListMainWindow::OnIdle( wxIdleEvent &WXUNUSED(event) )
{
/* after all changes have been done to the tree control,
* we actually redraw the tree when everything is over */
if (!m_dirty) return;
m_dirty = FALSE;
CalculatePositions();
Refresh();
AdjustMyScrollbars();
}
void wxTreeListMainWindow::OnSize(wxSizeEvent& WXUNUSED(event))
{
// int w, h;
// GetClientSize(&w, &h);
// m_header_win->SetSize(0, 0, w, HEADER_HEIGHT);
}
void wxTreeListMainWindow::OnScroll(wxScrollWinEvent& event)
{
// FIXME
#if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
wxScrolledWindow::OnScroll(event);
#else
HandleOnScroll( event );
#endif
if(event.GetOrientation() == wxHORIZONTAL)
{
m_owner->GetHeaderWindow()->Refresh();
#ifdef __WXMAC__
m_owner->GetHeaderWindow()->MacUpdateImmediately();
#endif
}
}
void wxTreeListMainWindow::CalculateSize( wxTreeListItem *item, wxDC &dc )
{
wxCoord text_w = 0;
wxCoord text_h = 0;
if (item->IsBold())
dc.SetFont(m_boldFont);
dc.GetTextExtent( item->GetText(/*ALB*/m_main_column), &text_w, &text_h );
text_h+=2;
// restore normal font
dc.SetFont( m_normalFont );
int image_h = 0;
int image_w = 0;
int image = item->GetCurrentImage();
if ( image != NO_IMAGE )
{
if ( m_imageListNormal )
{
m_imageListNormal->GetSize( image, image_w, image_h );
image_w += 4;
image_h += 2;
}
}
int total_h = (image_h > text_h) ? image_h : text_h;
// if (total_h < 30)
// total_h += 2; // at least 2 pixels
// else
// total_h += total_h/10; // otherwise 10% extra spacing
item->SetHeight(total_h);
if (total_h>m_lineHeight)
m_lineHeight=total_h;
item->SetWidth(image_w+text_w+2);
}
// -----------------------------------------------------------------------------
// for developper : y is now the top of the level
// not the middle of it !
void wxTreeListMainWindow::CalculateLevel( wxTreeListItem *item, wxDC &dc,
int level, int &y, int x_offset )
{
int x = level*m_indent + x_offset;
if (!HasFlag(wxTR_HIDE_ROOT))
{
x += m_indent;
}
else if (level == 0)
{
// a hidden root is not evaluated, but its
// children are always calculated
goto Recurse;
}
CalculateSize( item, dc );
// set its position
item->SetX( x+m_spacing );
item->SetY( y );
y += GetLineHeight(item);
if ( !item->IsExpanded() )
{
// we don't need to calculate collapsed branches
return;
}
Recurse:
wxArrayTreeListItems& children = item->GetChildren();
size_t n, count = children.Count();
++level;
for (n = 0; n < count; ++n )
CalculateLevel( children[n], dc, level, y, x_offset ); // recurse
}
void wxTreeListMainWindow::CalculatePositions()
{
if ( !m_anchor ) return;
wxClientDC dc(this);
PrepareDC( dc );
dc.SetFont( m_normalFont );
dc.SetPen( m_dottedPen );
//if(GetImageList() == NULL)
// m_lineHeight = (int)(dc.GetCharHeight() + 4);
int y = 2;
int x_offset = 0;
for(size_t i = 0; i < GetMainColumn(); ++i) {
x_offset += m_owner->GetHeaderWindow()->GetColumnWidth(i);
}
CalculateLevel( m_anchor, dc, 0, y, x_offset ); // start recursion
}
void wxTreeListMainWindow::RefreshSubtree(wxTreeListItem *item)
{
if (m_dirty) return;
wxClientDC dc(this);
PrepareDC(dc);
int cw = 0;
int ch = 0;
//GetClientSize( &cw, &ch );
GetVirtualSize(&cw, &ch);
wxRect rect;
rect.x = dc.LogicalToDeviceX( 0 );
rect.width = cw;
rect.y = dc.LogicalToDeviceY( item->GetY() - 2 );
rect.height = ch;
Refresh( TRUE, &rect );
AdjustMyScrollbars();
}
void wxTreeListMainWindow::RefreshLine( wxTreeListItem *item )
{
if (m_dirty) return;
wxClientDC dc(this);
PrepareDC( dc );
int cw = 0;
int ch = 0;
//GetClientSize( &cw, &ch );
GetVirtualSize(&cw, &ch);
wxRect rect;
rect.x = dc.LogicalToDeviceX( 0 );
rect.y = dc.LogicalToDeviceY( item->GetY() );
rect.width = cw;
rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
Refresh( TRUE, &rect );
}
void wxTreeListMainWindow::RefreshSelected()
{
// TODO: this is awfully inefficient, we should keep the list of all
// selected items internally, should be much faster
if ( m_anchor )
RefreshSelectedUnder(m_anchor);
}
void wxTreeListMainWindow::RefreshSelectedUnder(wxTreeListItem *item)
{
if ( item->IsSelected() )
RefreshLine(item);
const wxArrayTreeListItems& children = item->GetChildren();
size_t count = children.GetCount();
for ( size_t n = 0; n < count; n++ )
{
RefreshSelectedUnder(children[n]);
}
}
// ----------------------------------------------------------------------------
// changing colours: we need to refresh the tree control
// ----------------------------------------------------------------------------
bool wxTreeListMainWindow::SetBackgroundColour(const wxColour& colour)
{
if ( !wxWindow::SetBackgroundColour(colour) )
return FALSE;
Refresh();
return TRUE;
}
bool wxTreeListMainWindow::SetForegroundColour(const wxColour& colour)
{
if ( !wxWindow::SetForegroundColour(colour) )
return FALSE;
Refresh();
return TRUE;
}
//----------- ALB -------------
inline
void wxTreeListMainWindow::SetItemText(const wxTreeItemId& item, size_t column,
const wxString& text)
{
wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
wxClientDC dc(this);
wxTreeListItem *pItem = (wxTreeListItem*) item.m_pItem;
pItem->SetText(column, text);
CalculateSize(pItem, dc);
RefreshLine(pItem);
}
inline
wxString wxTreeListMainWindow::GetItemText(const wxTreeItemId& item,
size_t column) const
{
wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") );
return ((wxTreeListItem*) item.m_pItem)->GetText(column);
}
//-----------------------------
//-----------------------------------------------------------------------------
// wxTreeListCtrl
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxTreeListCtrl, wxControl);
BEGIN_EVENT_TABLE(wxTreeListCtrl, wxControl)
EVT_SIZE(wxTreeListCtrl::OnSize)
END_EVENT_TABLE();
bool wxTreeListCtrl::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style, const wxValidator &validator,
const wxString& name)
{
long main_style = style & ~(wxRAISED_BORDER|wxSUNKEN_BORDER
|wxSIMPLE_BORDER|wxNO_BORDER|wxDOUBLE_BORDER
|wxSTATIC_BORDER);
if(!wxControl::Create(parent, id, pos, size, style, validator, name))
return false;
m_main_win = new wxTreeListMainWindow(this, -1, wxPoint(0, 0), size,
main_style, validator);
m_header_win = new wxTreeListHeaderWindow(this, -1, m_main_win,
wxPoint(0, 0), wxDefaultSize,
wxTAB_TRAVERSAL);
return TRUE;
}
void wxTreeListCtrl::OnSize(wxSizeEvent& event)
{
int w, h;
GetClientSize(&w, &h);
if(m_header_win)
m_header_win->SetSize(0, 0, w, HEADER_HEIGHT);
if(m_main_win)
m_main_win->SetSize(0, HEADER_HEIGHT + 1, w, h - HEADER_HEIGHT - 1);
}
size_t wxTreeListCtrl::GetCount() const { return m_main_win->GetCount(); }
unsigned int wxTreeListCtrl::GetIndent() const
{ return m_main_win->GetIndent(); }
void wxTreeListCtrl::SetIndent(unsigned int indent)
{ m_main_win->SetIndent(indent); }
unsigned int wxTreeListCtrl::GetSpacing() const
{ return m_main_win->GetSpacing(); }
void wxTreeListCtrl::SetSpacing(unsigned int spacing)
{ m_main_win->SetSpacing(spacing); }
unsigned int wxTreeListCtrl::GetLineSpacing() const
{ return m_main_win->GetLineSpacing(); }
void wxTreeListCtrl::SetLineSpacing(unsigned int spacing)
{ m_main_win->SetLineSpacing(spacing); }
wxImageList* wxTreeListCtrl::GetImageList() const
{ return m_main_win->GetImageList(); }
wxImageList* wxTreeListCtrl::GetStateImageList() const
{ return m_main_win->GetStateImageList(); }
wxImageList* wxTreeListCtrl::GetButtonsImageList() const
{ return m_main_win->GetButtonsImageList(); }
void wxTreeListCtrl::SetImageList(wxImageList* imageList)
{ m_main_win->SetImageList(imageList); }
void wxTreeListCtrl::SetStateImageList(wxImageList* imageList)
{ m_main_win->SetStateImageList(imageList); }
void wxTreeListCtrl::SetButtonsImageList(wxImageList* imageList)
{ m_main_win->SetButtonsImageList(imageList); }
void wxTreeListCtrl::AssignImageList(wxImageList* imageList)
{ m_main_win->AssignImageList(imageList); }
void wxTreeListCtrl::AssignStateImageList(wxImageList* imageList)
{ m_main_win->AssignStateImageList(imageList); }
void wxTreeListCtrl::AssignButtonsImageList(wxImageList* imageList)
{ m_main_win->AssignButtonsImageList(imageList); }
wxString wxTreeListCtrl::GetItemText(const wxTreeItemId& item, size_t column)
const
{ return m_main_win->GetItemText(item, column); }
int wxTreeListCtrl::GetItemImage(const wxTreeItemId& item, size_t column,
wxTreeItemIcon which) const
{ return m_main_win->GetItemImage(item, column, which); }
wxTreeItemData* wxTreeListCtrl::GetItemData(const wxTreeItemId& item) const
{ return m_main_win->GetItemData(item); }
bool wxTreeListCtrl::GetItemBold(const wxTreeItemId& item) const
{ return m_main_win->GetItemBold(item); }
wxColour wxTreeListCtrl::GetItemTextColour(const wxTreeItemId& item) const
{ return m_main_win->GetItemTextColour(item); }
wxColour wxTreeListCtrl::GetItemBackgroundColour(const wxTreeItemId& item)
const
{ return m_main_win->GetItemBackgroundColour(item); }
wxFont wxTreeListCtrl::GetItemFont(const wxTreeItemId& item) const
{ return m_main_win->GetItemFont(item); }
void wxTreeListCtrl::SetItemText(const wxTreeItemId& item, size_t column,
const wxString& text)
{ m_main_win->SetItemText(item, column, text); }
void wxTreeListCtrl::SetItemImage(const wxTreeItemId& item,
size_t column,
int image,
wxTreeItemIcon which)
{ m_main_win->SetItemImage(item, column, image, which); }
void wxTreeListCtrl::SetItemData(const wxTreeItemId& item,
wxTreeItemData* data)
{ m_main_win->SetItemData(item, data); }
void wxTreeListCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
{ m_main_win->SetItemHasChildren(item, has); }
void wxTreeListCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
{ m_main_win->SetItemBold(item, bold); }
void wxTreeListCtrl::SetItemTextColour(const wxTreeItemId& item,
const wxColour& col)
{ m_main_win->SetItemTextColour(item, col); }
void wxTreeListCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
const wxColour& col)
{ m_main_win->SetItemBackgroundColour(item, col); }
void wxTreeListCtrl::SetItemFont(const wxTreeItemId& item,
const wxFont& font)
{ m_main_win->SetItemFont(item, font); }
bool wxTreeListCtrl::SetFont(const wxFont& font)
{
if(m_header_win) m_header_win->SetFont(font);
if(m_main_win)
return m_main_win->SetFont(font);
else return FALSE;
}
void wxTreeListCtrl::SetWindowStyle(const long style)
{
if(m_main_win)
m_main_win->SetWindowStyle(style);
// TODO: provide something like wxTL_NO_HEADERS to hide m_header_win
}
long wxTreeListCtrl::GetWindowStyle() const
{
long style = m_windowStyle;
if(m_main_win)
style |= m_main_win->GetWindowStyle();
return style;
}
bool wxTreeListCtrl::IsVisible(const wxTreeItemId& item) const
{ return m_main_win->IsVisible(item); }
bool wxTreeListCtrl::ItemHasChildren(const wxTreeItemId& item) const
{ return m_main_win->ItemHasChildren(item); }
bool wxTreeListCtrl::IsExpanded(const wxTreeItemId& item) const
{ return m_main_win->IsExpanded(item); }
bool wxTreeListCtrl::IsSelected(const wxTreeItemId& item) const
{ return m_main_win->IsSelected(item); }
bool wxTreeListCtrl::IsBold(const wxTreeItemId& item) const
{ return m_main_win->IsBold(item); }
size_t wxTreeListCtrl::GetChildrenCount(const wxTreeItemId& item, bool rec)
{ return m_main_win->GetChildrenCount(item, rec); }
wxTreeItemId wxTreeListCtrl::GetRootItem() const
{ return m_main_win->GetRootItem(); }
wxTreeItemId wxTreeListCtrl::GetSelection() const
{ return m_main_win->GetSelection(); }
size_t wxTreeListCtrl::GetSelections(wxArrayTreeItemIds& arr) const
{ return m_main_win->GetSelections(arr); }
wxTreeItemId wxTreeListCtrl::GetParent(const wxTreeItemId& item) const
{ return m_main_win->GetParent(item); }
wxTreeItemId wxTreeListCtrl::GetFirstChild(const wxTreeItemId& item,
long& cookie) const
{ return m_main_win->GetFirstChild(item, cookie); }
wxTreeItemId wxTreeListCtrl::GetNextChild(const wxTreeItemId& item,
long& cookie) const
{ return m_main_win->GetNextChild(item, cookie); }
wxTreeItemId wxTreeListCtrl::GetLastChild(const wxTreeItemId& item) const
{ return m_main_win->GetLastChild(item); }
wxTreeItemId wxTreeListCtrl::GetNextSibling(const wxTreeItemId& item) const
{ return m_main_win->GetNextSibling(item); }
wxTreeItemId wxTreeListCtrl::GetPrevSibling(const wxTreeItemId& item) const
{ return m_main_win->GetPrevSibling(item); }
wxTreeItemId wxTreeListCtrl::GetFirstVisibleItem() const
{ return m_main_win->GetFirstVisibleItem(); }
wxTreeItemId wxTreeListCtrl::GetNextVisible(const wxTreeItemId& item) const
{ return m_main_win->GetNextVisible(item); }
wxTreeItemId wxTreeListCtrl::GetPrevVisible(const wxTreeItemId& item) const
{ return m_main_win->GetPrevVisible(item); }
wxTreeItemId wxTreeListCtrl::GetNext(const wxTreeItemId& item) const
{ return m_main_win->GetNext(item); }
wxTreeItemId wxTreeListCtrl::AddRoot(const wxString& text, int image,
int selectedImage, wxTreeItemData* data)
{ return m_main_win->AddRoot(text, image, selectedImage, data); }
wxTreeItemId wxTreeListCtrl::PrependItem(const wxTreeItemId& parent,
const wxString& text, int image,
int selectedImage,
wxTreeItemData* data)
{ return m_main_win->PrependItem(parent, text, image, selectedImage, data); }
wxTreeItemId wxTreeListCtrl::InsertItem(const wxTreeItemId& parent,
const wxTreeItemId& previous,
const wxString& text, int image,
int selectedImage,
wxTreeItemData* data)
{
return m_main_win->InsertItem(parent, previous, text, image,
selectedImage, data);
}
wxTreeItemId wxTreeListCtrl::InsertItem(const wxTreeItemId& parent,
size_t index,
const wxString& text, int image,
int selectedImage,
wxTreeItemData* data)
{
return m_main_win->InsertItem(parent, index, text, image,
selectedImage, data);
}
wxTreeItemId wxTreeListCtrl::AppendItem(const wxTreeItemId& parent,
const wxString& text, int image,
int selectedImage,
wxTreeItemData* data)
{ return m_main_win->AppendItem(parent, text, image, selectedImage, data); }
void wxTreeListCtrl::Delete(const wxTreeItemId& item)
{ m_main_win->Delete(item); }
void wxTreeListCtrl::DeleteChildren(const wxTreeItemId& item)
{ m_main_win->DeleteChildren(item); }
void wxTreeListCtrl::DeleteAllItems()
{ m_main_win->DeleteAllItems(); }
void wxTreeListCtrl::Expand(const wxTreeItemId& item)
{ m_main_win->Expand(item); }
void wxTreeListCtrl::ExpandAll(const wxTreeItemId& item)
{ m_main_win->ExpandAll(item); }
void wxTreeListCtrl::Collapse(const wxTreeItemId& item)
{ m_main_win->Collapse(item); }
void wxTreeListCtrl::CollapseAndReset(const wxTreeItemId& item)
{ m_main_win->CollapseAndReset(item); }
void wxTreeListCtrl::Toggle(const wxTreeItemId& item)
{ m_main_win->Toggle(item); }
void wxTreeListCtrl::Unselect()
{ m_main_win->Unselect(); }
void wxTreeListCtrl::UnselectAll()
{ m_main_win->UnselectAll(); }
void wxTreeListCtrl::SelectItem(const wxTreeItemId& item, bool unselect_others,
bool extended_select)
{ m_main_win->SelectItem(item, unselect_others, extended_select); }
void wxTreeListCtrl::EnsureVisible(const wxTreeItemId& item)
{ m_main_win->EnsureVisible(item); }
void wxTreeListCtrl::ScrollTo(const wxTreeItemId& item)
{ m_main_win->ScrollTo(item); }
wxTreeItemId wxTreeListCtrl::HitTest(const wxPoint& pos, int& flags,
int& column)
{
return m_main_win->HitTest(pos, flags, column);
}
bool wxTreeListCtrl::GetBoundingRect(const wxTreeItemId& item, wxRect& rect,
bool textOnly) const
{ return m_main_win->GetBoundingRect(item, rect, textOnly); }
void wxTreeListCtrl::Edit(const wxTreeItemId& item)
{ m_main_win->Edit(item); }
int wxTreeListCtrl::OnCompareItems(const wxTreeItemId& item1,
const wxTreeItemId& item2)
{
// ALB: do the comparison here, and not delegate to m_main_win, in order
// to let the user override it
//return m_main_win->OnCompareItems(item1, item2);
return wxStrcmp(GetItemText(item1), GetItemText(item2));
}
void wxTreeListCtrl::SortChildren(const wxTreeItemId& item)
{ m_main_win->SortChildren(item); }
bool wxTreeListCtrl::SetBackgroundColour(const wxColour& colour)
{ return m_main_win->SetBackgroundColour(colour); }
bool wxTreeListCtrl::SetForegroundColour(const wxColour& colour)
{ return m_main_win->SetForegroundColour(colour); }
size_t wxTreeListCtrl::GetColumnCount() const
{ return m_main_win->GetColumnCount(); }
void wxTreeListCtrl::SetColumnWidth(size_t column, size_t width)
{ m_header_win->SetColumnWidth(column, width); }
int wxTreeListCtrl::GetColumnWidth(size_t column) const
{ return m_header_win->GetColumnWidth(column); }
void wxTreeListCtrl::SetMainColumn(size_t column)
{ m_main_win->SetMainColumn(column); }
size_t wxTreeListCtrl::GetMainColumn() const
{ return m_main_win->GetMainColumn(); }
void wxTreeListCtrl::SetColumnText(size_t column, const wxString& text)
{
m_header_win->SetColumnText(column, text);
m_header_win->Refresh();
}
wxString wxTreeListCtrl::GetColumnText(size_t column) const
{ return m_header_win->GetColumnText(column); }
void wxTreeListCtrl::AddColumn(const wxTreeListColumnInfo& col)
{ m_header_win->AddColumn(col); }
void wxTreeListCtrl::InsertColumn(size_t before,
const wxTreeListColumnInfo& col)
{ m_header_win->InsertColumn(before, col); }
void wxTreeListCtrl::RemoveColumn(size_t column)
{ m_header_win->RemoveColumn(column); }
void wxTreeListCtrl::SetColumn(size_t column, const wxTreeListColumnInfo& col)
{ m_header_win->SetColumn(column, col); }
const wxTreeListColumnInfo& wxTreeListCtrl::GetColumn(size_t column) const
{ return m_header_win->GetColumn(column); }
wxTreeListColumnInfo& wxTreeListCtrl::GetColumn(size_t column)
{ return m_header_win->GetColumn(column); }
void wxTreeListCtrl::SetColumnImage(size_t column, int image)
{
m_header_win->SetColumn(column, GetColumn(column).SetImage(image));
}
int wxTreeListCtrl::GetColumnImage(size_t column) const
{
return m_header_win->GetColumn(column).GetImage();
}
void wxTreeListCtrl::SetColumnAlignment(size_t column,
wxTreeListColumnAlign align)
{
m_header_win->SetColumn(column, GetColumn(column).SetAlignment(align));
}
wxTreeListColumnAlign wxTreeListCtrl::GetColumnAlignment(size_t column) const
{
return m_header_win->GetColumn(column).GetAlignment();
}
void wxTreeListCtrl::Refresh(bool erase, const wxRect* rect)
{
m_main_win->Refresh(erase, rect);
m_header_win->Refresh(erase, rect);
}
void wxTreeListCtrl::SetFocus()
{ m_main_win->SetFocus(); }
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