wxWidgets/samples/widgets/static.cpp
Vadim Zeitlin 168954a1d1 fixed memory leak (patch 655899)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18387 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-12-21 14:32:55 +00:00

430 lines
12 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Program: wxWindows Widgets Sample
// Name: static.cpp
// Purpose: Part of the widgets sample showing various static controls
// Author: Vadim Zeitlin
// Created: 11.04.01
// Id: $Id$
// Copyright: (c) 2001 Vadim Zeitlin
// License: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/button.h"
#include "wx/checkbox.h"
#include "wx/radiobox.h"
#include "wx/statbox.h"
#include "wx/stattext.h"
#include "wx/textctrl.h"
#endif
#include "wx/sizer.h"
#include "wx/statline.h"
#include "widgets.h"
#include "icons/statbox.xpm"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// control ids
enum
{
StaticPage_Reset = 100,
StaticPage_BoxText,
StaticPage_LabelText
};
// alignment radiobox values
enum
{
StaticHAlign_Left,
StaticHAlign_Centre,
StaticHAlign_Right,
StaticHAlign_Max
};
enum
{
StaticVAlign_Top,
StaticVAlign_Centre,
StaticVAlign_Bottom,
StaticVAlign_Max
};
// ----------------------------------------------------------------------------
// MyStaticText and MyStaticBox
// ----------------------------------------------------------------------------
// these 2 classes simply show that the static controls can get the mouse
// clicks too -- this used to be broken under MSW but works now
class MyStaticText : public wxStaticText
{
public:
MyStaticText(wxWindow* parent,
wxWindowID id,
const wxString& label,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0)
: wxStaticText(parent, id, label, pos, size, style)
{
}
protected:
void OnMouseEvent(wxMouseEvent& event)
{
wxLogMessage(wxT("Clicked on static text"));
}
DECLARE_EVENT_TABLE()
};
class MyStaticBox : public wxStaticBox
{
public:
MyStaticBox(wxWindow* parent,
wxWindowID id,
const wxString& label,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0)
: wxStaticBox(parent, id, label, pos, size, style)
{
}
protected:
void OnMouseEvent(wxMouseEvent& event)
{
wxLogMessage(wxT("Clicked on static box"));
}
DECLARE_EVENT_TABLE()
};
BEGIN_EVENT_TABLE(MyStaticText, wxStaticText)
EVT_LEFT_UP(MyStaticText::OnMouseEvent)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyStaticBox, wxStaticBox)
EVT_LEFT_UP(MyStaticBox::OnMouseEvent)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// StaticWidgetsPage
// ----------------------------------------------------------------------------
class StaticWidgetsPage : public WidgetsPage
{
public:
StaticWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
virtual ~StaticWidgetsPage();
protected:
// event handlers
void OnCheckOrRadioBox(wxCommandEvent& event);
void OnButtonReset(wxCommandEvent& event);
void OnButtonBoxText(wxCommandEvent& event);
void OnButtonLabelText(wxCommandEvent& event);
// reset all parameters
void Reset();
// (re)create all controls
void CreateStatic();
// the controls
// ------------
// the check/radio boxes for styles
wxCheckBox *m_chkVert,
*m_chkAutoResize;
wxRadioBox *m_radioHAlign,
*m_radioVAlign;
// the controls and the sizer containing them
wxStaticBox *m_staticBox;
wxStaticBoxSizer *m_sizerStatBox;
wxStaticText *m_statText;
wxStaticLine *m_statLine;
wxSizer *m_sizerStatic;
// the text entries for command parameters
wxTextCtrl *m_textBox,
*m_textLabel;
private:
DECLARE_EVENT_TABLE()
DECLARE_WIDGETS_PAGE(StaticWidgetsPage)
};
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(StaticWidgetsPage, WidgetsPage)
EVT_BUTTON(StaticPage_Reset, StaticWidgetsPage::OnButtonReset)
EVT_BUTTON(StaticPage_LabelText, StaticWidgetsPage::OnButtonLabelText)
EVT_BUTTON(StaticPage_BoxText, StaticWidgetsPage::OnButtonBoxText)
EVT_CHECKBOX(-1, StaticWidgetsPage::OnCheckOrRadioBox)
EVT_RADIOBOX(-1, StaticWidgetsPage::OnCheckOrRadioBox)
END_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
IMPLEMENT_WIDGETS_PAGE(StaticWidgetsPage, _T("Static"));
StaticWidgetsPage::StaticWidgetsPage(wxNotebook *notebook,
wxImageList *imaglist)
: WidgetsPage(notebook)
{
imaglist->Add(wxBitmap(statbox_xpm));
// init everything
m_chkVert =
m_chkAutoResize = (wxCheckBox *)NULL;
m_radioHAlign =
m_radioVAlign = (wxRadioBox *)NULL;
m_statLine = (wxStaticLine *)NULL;
m_statText = (wxStaticText *)NULL;
m_staticBox = (wxStaticBox *)NULL;
m_sizerStatBox = (wxStaticBoxSizer *)NULL;
m_sizerStatic = (wxSizer *)NULL;
wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
// left pane
wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set style"));
wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical line"));
m_chkAutoResize = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Fit to text"));
sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
static const wxString halign[] =
{
_T("left"),
_T("centre"),
_T("right"),
};
static const wxString valign[] =
{
_T("top"),
_T("centre"),
_T("bottom"),
};
m_radioHAlign = new wxRadioBox(this, -1, _T("&Horz alignment"),
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(halign), halign);
m_radioVAlign = new wxRadioBox(this, -1, _T("&Vert alignment"),
wxDefaultPosition, wxDefaultSize,
WXSIZEOF(valign), valign);
sizerLeft->Add(m_radioHAlign, 0, wxGROW | wxALL, 5);
sizerLeft->Add(m_radioVAlign, 0, wxGROW | wxALL, 5);
wxButton *btn = new wxButton(this, StaticPage_Reset, _T("&Reset"));
sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
// middle pane
wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change labels"));
wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
wxSizer *sizerRow;
sizerRow = CreateSizerWithTextAndButton(StaticPage_BoxText,
_T("Change &box label"),
-1, &m_textBox);
sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5);
sizerRow = CreateSizerWithTextAndButton(StaticPage_LabelText,
_T("Change &text label"),
-1, &m_textLabel);
sizerMiddle->Add(sizerRow, 0, wxGROW | wxALL, 5);
m_textBox->SetValue(_T("This is a box"));
m_textLabel->SetValue(_T("And this is a label\ninside the box"));
// right pane
wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
sizerRight->SetMinSize(150, 0);
m_sizerStatic = sizerRight;
CreateStatic();
// the 3 panes panes compose the window
sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
// final initializations
Reset();
SetAutoLayout(TRUE);
SetSizer(sizerTop);
sizerTop->Fit(this);
}
StaticWidgetsPage::~StaticWidgetsPage()
{
}
// ----------------------------------------------------------------------------
// operations
// ----------------------------------------------------------------------------
void StaticWidgetsPage::Reset()
{
m_chkVert->SetValue(FALSE);
m_chkAutoResize->SetValue(TRUE);
m_radioHAlign->SetSelection(StaticHAlign_Left);
m_radioVAlign->SetSelection(StaticVAlign_Top);
}
void StaticWidgetsPage::CreateStatic()
{
bool isVert = m_chkVert->GetValue();
if ( m_sizerStatBox )
{
delete m_staticBox;
// delete m_sizerStatBox; -- deleted by Remove()
m_sizerStatic->Remove(m_sizerStatBox);
delete m_statText;
delete m_statLine;
}
int flagsBox = 0,
flagsText = 0;
if ( !m_chkAutoResize->GetValue() )
{
flagsText |= wxST_NO_AUTORESIZE;
}
int align = 0;
switch ( m_radioHAlign->GetSelection() )
{
default:
wxFAIL_MSG(_T("unexpected radiobox selection"));
// fall through
case StaticHAlign_Left:
align |= wxALIGN_LEFT;
break;
case StaticHAlign_Centre:
align |= wxALIGN_CENTRE_HORIZONTAL;
break;
case StaticHAlign_Right:
align |= wxALIGN_RIGHT;
break;
}
switch ( m_radioVAlign->GetSelection() )
{
default:
wxFAIL_MSG(_T("unexpected radiobox selection"));
// fall through
case StaticVAlign_Top:
align |= wxALIGN_TOP;
break;
case StaticVAlign_Centre:
align |= wxALIGN_CENTRE_VERTICAL;
break;
case StaticVAlign_Bottom:
align |= wxALIGN_BOTTOM;
break;
}
flagsText |= align;
flagsBox |= align;
m_staticBox = new MyStaticBox(this, -1, m_textBox->GetValue(),
wxDefaultPosition, wxDefaultSize,
flagsBox);
m_sizerStatBox = new wxStaticBoxSizer(m_staticBox, isVert ? wxHORIZONTAL
: wxVERTICAL);
m_statText = new MyStaticText(this, -1, m_textLabel->GetValue(),
wxDefaultPosition, wxDefaultSize,
flagsText);
m_statLine = new wxStaticLine(this, -1,
wxDefaultPosition, wxDefaultSize,
isVert ? wxLI_VERTICAL : wxLI_HORIZONTAL);
m_sizerStatBox->Add(m_statText, 1, wxGROW | wxALL, 5);
m_sizerStatBox->Add(m_statLine, 0, wxGROW | wxALL, 5);
m_sizerStatBox->Add(0, 0, 1);
m_sizerStatic->Add(m_sizerStatBox, 1, wxGROW);
m_sizerStatic->Layout();
}
// ----------------------------------------------------------------------------
// event handlers
// ----------------------------------------------------------------------------
void StaticWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
{
Reset();
CreateStatic();
}
void StaticWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
{
CreateStatic();
}
void StaticWidgetsPage::OnButtonBoxText(wxCommandEvent& event)
{
m_sizerStatBox->GetStaticBox()->SetLabel(m_textBox->GetValue());
}
void StaticWidgetsPage::OnButtonLabelText(wxCommandEvent& event)
{
m_statText->SetLabel(m_textLabel->GetValue());
}