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wxWidgets/samples/layout/layout.cpp
Bryan Petty f6bcfd974e merged 2.2 branch 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-07-15 19:51:35 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: layout.cpp
// Purpose: Layout sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if !wxUSE_CONSTRAINTS
#error You must set wxUSE_CONSTRAINTS to 1 in setup.h!
#endif
#include <ctype.h>
#include "wx/sizer.h"
#include "wx/statline.h"
#include "wx/notebook.h"
#include "layout.h"
// Declare two frames
MyFrame *frame = (MyFrame *) NULL;
wxMenuBar *menu_bar = (wxMenuBar *) NULL;
IMPLEMENT_APP(MyApp)
MyApp::MyApp()
{
}
bool MyApp::OnInit()
{
// Create the main frame window
frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500);
frame->SetAutoLayout(TRUE);
// Give it a status line
frame->CreateStatusBar(2);
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(LAYOUT_LOAD_FILE, "&Load file", "Load a text file");
file_menu->Append(LAYOUT_TEST_SIZER, "&Test sizers", "Test sizer");
file_menu->Append(LAYOUT_TEST_NB, "&Test notebook sizers", "Test notebook sizer");
file_menu->AppendSeparator();
file_menu->Append(LAYOUT_QUIT, "E&xit", "Quit program");
wxMenu *help_menu = new wxMenu;
help_menu->Append(LAYOUT_ABOUT, "&About", "About layout demo");
menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
menu_bar->Append(help_menu, "&Help");
// Associate the menu bar with the frame
frame->SetMenuBar(menu_bar);
// Make a panel
frame->panel = new wxPanel(frame, 0, 0, 1000, 500, wxTAB_TRAVERSAL);
frame->panel->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
// frame->panel->SetAutoLayout(TRUE);
// Create some panel items
wxButton *btn1 = new wxButton(frame->panel, -1, "A button (1)") ;
wxLayoutConstraints *b1 = new wxLayoutConstraints;
b1->centreX.SameAs (frame->panel, wxCentreX);
b1->top.SameAs (frame->panel, wxTop, 5);
b1->width.PercentOf (frame->panel, wxWidth, 80);
b1->height.PercentOf (frame->panel, wxHeight, 10);
btn1->SetConstraints(b1);
wxListBox *list = new wxListBox(frame->panel, -1,
wxPoint(-1, -1), wxSize(200, 100));
list->Append("Apple");
list->Append("Pear");
list->Append("Orange");
list->Append("Banana");
list->Append("Fruit");
wxLayoutConstraints *b2 = new wxLayoutConstraints;
b2->top.Below (btn1, 5);
b2->left.SameAs (frame->panel, wxLeft, 5);
b2->width.PercentOf (frame->panel, wxWidth, 40);
b2->bottom.SameAs (frame->panel, wxBottom, 5);
list->SetConstraints(b2);
wxTextCtrl *mtext = new wxTextCtrl(frame->panel, -1, "Some text",
wxPoint(-1, -1), wxSize(150, 100));
wxLayoutConstraints *b3 = new wxLayoutConstraints;
b3->top.Below (btn1, 5);
b3->left.RightOf (list, 5);
b3->right.SameAs (frame->panel, wxRight, 5);
b3->bottom.SameAs (frame->panel, wxBottom, 5);
mtext->SetConstraints(b3);
frame->canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED);
// Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
// canvas->SetScrollbars(20, 20, 50, 50, 4, 4);
// Make a text window
frame->text_window = new MyTextWindow(frame, 0, 250, 400, 250);
// Set constraints for panel subwindow
wxLayoutConstraints *c1 = new wxLayoutConstraints;
c1->left.SameAs (frame, wxLeft);
c1->top.SameAs (frame, wxTop);
c1->right.PercentOf (frame, wxWidth, 50);
c1->height.PercentOf (frame, wxHeight, 50);
frame->panel->SetConstraints(c1);
// Set constraints for canvas subwindow
wxLayoutConstraints *c2 = new wxLayoutConstraints;
c2->left.SameAs (frame->panel, wxRight);
c2->top.SameAs (frame, wxTop);
c2->right.SameAs (frame, wxRight);
c2->height.PercentOf (frame, wxHeight, 50);
frame->canvas->SetConstraints(c2);
// Set constraints for text subwindow
wxLayoutConstraints *c3 = new wxLayoutConstraints;
c3->left.SameAs (frame, wxLeft);
c3->top.Below (frame->panel);
c3->right.SameAs (frame, wxRight);
c3->bottom.SameAs (frame, wxBottom);
frame->text_window->SetConstraints(c3);
frame->Show(TRUE);
frame->SetStatusText("wxWindows layout demo");
SetTopWindow(frame);
return TRUE;
}
//-----------------------------------------------------------------
// MyFrame
//-----------------------------------------------------------------
// Define my frame constructor
MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
{
panel = (wxPanel *) NULL;
text_window = (MyTextWindow *) NULL;
canvas = (MyWindow *) NULL;
}
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(LAYOUT_LOAD_FILE, MyFrame::LoadFile)
EVT_MENU(LAYOUT_QUIT, MyFrame::Quit)
EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestSizers)
EVT_MENU(LAYOUT_TEST_NB, MyFrame::TestNotebookSizers)
EVT_MENU(LAYOUT_ABOUT, MyFrame::About)
EVT_SIZE(MyFrame::OnSize)
END_EVENT_TABLE()
void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
{
wxString s = wxFileSelector( _T("Load text file"), (const wxChar *) NULL,
(const wxChar *) NULL, (const wxChar *) NULL, _T("*.txt") );
if (s != "")
{
#ifdef __WXMSW__
frame->text_window->LoadFile(s);
#endif
}
}
void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
{
this->Close(TRUE);
}
void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) )
{
MySizerFrame *newFrame = new MySizerFrame((MyFrame *) NULL, "Sizer Test Frame", 50, 50 );
newFrame->Show(TRUE);
}
void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
{
wxDialog dialog( this, -1, wxString("Notebook Sizer Test Dialog") );
// Begin with first hierarchy: a notebook at the top and
// and OK button at the bottom.
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
wxNotebook *notebook = new wxNotebook( &dialog, -1 );
wxNotebookSizer *nbs = new wxNotebookSizer( notebook );
topsizer->Add( nbs, 1, wxGROW );
wxButton *button = new wxButton( &dialog, wxID_OK, "OK" );
topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
// First page: one big text ctrl
wxTextCtrl *multi = new wxTextCtrl( notebook, -1, "TextCtrl.", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
notebook->AddPage( multi, "Page One" );
// Second page: a text ctrl and a button
wxPanel *panel = new wxPanel( notebook, -1 );
notebook->AddPage( panel, "Page Two" );
wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
wxTextCtrl *text = new wxTextCtrl( panel, -1, "TextLine 1.", wxDefaultPosition, wxSize(250,-1) );
panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
text = new wxTextCtrl( panel, -1, "TextLine 2.", wxDefaultPosition, wxSize(250,-1) );
panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
wxButton *button2 = new wxButton( panel, -1, "Hallo" );
panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
panel->SetAutoLayout( TRUE );
panel->SetSizer( panelsizer );
// Tell dialog to use sizer
dialog.SetAutoLayout( TRUE );
dialog.SetSizer( topsizer );
topsizer->Fit( &dialog );
topsizer->SetSizeHints( &dialog );
dialog.ShowModal();
}
void MyFrame::About(wxCommandEvent& WXUNUSED(event) )
{
(void)wxMessageBox("wxWindows GUI library layout demo\n",
"About Layout Demo", wxOK|wxCENTRE);
}
// Size the subwindows when the frame is resized
void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) )
{
Layout();
}
void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) )
{
dc.SetPen(* wxGREEN_PEN);
dc.DrawLine(0, 0, 200, 200);
dc.DrawLine(200, 0, 0, 200);
dc.SetBrush(* wxCYAN_BRUSH);
dc.SetPen(* wxRED_PEN);
dc.DrawRectangle(100, 100, 100, 50);
dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
dc.DrawEllipse(250, 250, 100, 50);
#if wxUSE_SPLINES
dc.DrawSpline(50, 200, 50, 100, 200, 10);
#endif // wxUSE_SPLINES
dc.DrawLine(50, 230, 200, 230);
dc.SetPen(* wxBLACK_PEN);
dc.DrawArc(50, 300, 100, 250, 100, 300 );
}
//-----------------------------------------------------------------
// MyWindow
//-----------------------------------------------------------------
BEGIN_EVENT_TABLE(MyWindow, wxWindow)
EVT_PAINT(MyWindow::OnPaint)
END_EVENT_TABLE()
// Define a constructor for my canvas
MyWindow::MyWindow(wxFrame *frame, int x, int y, int w, int h, long style):
wxWindow(frame, -1, wxPoint(x, y), wxSize(w, h), style)
{
}
MyWindow::~MyWindow()
{
}
// Define the repainting behaviour
void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) )
{
wxPaintDC dc(this);
frame->Draw(dc,TRUE);
}
//-----------------------------------------------------------------
// MySizerFrame
//-----------------------------------------------------------------
MySizerFrame::MySizerFrame(wxFrame *frame, char *title, int x, int y ):
wxFrame(frame, -1, title, wxPoint(x, y) )
{
// we want to get a dialog that is stretchable because it
// has a text ctrl in the middle. at the bottom, we have
// two buttons which.
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
// 1) top: create wxStaticText with minimum size equal to its default size
topsizer->Add(
new wxStaticText( this, -1, "An explanation (wxALIGN_RIGHT)." ),
0, // make vertically unstretchable
wxALIGN_RIGHT | // right align text
wxTOP | wxLEFT | wxRIGHT, // make border all around except wxBOTTOM
5 ); // set border width to 5
// 2) top: create wxTextCtrl with minimum size (100x60)
topsizer->Add(
new wxTextCtrl( this, -1, "My text (wxEXPAND).", wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
1, // make vertically stretchable
wxEXPAND | // make horizontally stretchable
wxALL, // and make border all around
5 ); // set border width to 5
// 2.5) Gratuitous test of wxStaticBoxSizers
wxBoxSizer *statsizer = new wxStaticBoxSizer(
new wxStaticBox(this, -1, "A wxStaticBoxSizer"),
wxVERTICAL );
statsizer->Add(
new wxStaticText(this, -1, "And some TEXT inside it"),
0,
wxCENTER |
wxALL,
30);
topsizer->Add(statsizer, 1, wxEXPAND | wxALL, 10);
// 2.7) And a test of wxGridSizer
wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
gridsizer->Add(new wxStaticText(this, -1, "Label"), 0,
wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
gridsizer->Add(new wxTextCtrl(this, -1, "Grid sizer demo"), 1,
wxGROW | wxALIGN_CENTER_VERTICAL);
gridsizer->Add(new wxStaticText(this, -1, "Another label"), 0,
wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
gridsizer->Add(new wxTextCtrl(this, -1, "More text"), 1,
wxGROW | wxALIGN_CENTER_VERTICAL);
gridsizer->Add(new wxStaticText(this, -1, "Final label"), 0,
wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
gridsizer->Add(new wxTextCtrl(this, -1, "And yet more text"), 1,
wxGROW | wxALIGN_CENTER_VERTICAL);
topsizer->Add(gridsizer, 1, wxGROW | wxALL, 10);
// 3) middle: create wxStaticLine with minimum size (3x3)
topsizer->Add(
new wxStaticLine( this, -1, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
0, // make vertically unstretchable
wxEXPAND | // make horizontally stretchable
wxALL, // and make border all around
5 ); // set border width to 5
// 4) bottom: create two centred wxButtons
wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
button_box->Add(
new wxButton( this, -1, "Two buttons in a box" ),
0, // make horizontally unstretchable
wxALL, // make border all around
7 ); // set border width to 7
button_box->Add(
new wxButton( this, -1, "(wxCENTER)" ),
0, // make horizontally unstretchable
wxALL, // make border all around
7 ); // set border width to 7
topsizer->Add(
button_box,
0, // make vertically unstretchable
wxCENTER ); // no border and centre horizontally
SetAutoLayout( TRUE );
// set frame to minimum size
topsizer->Fit( this );
// don't allow frame to get smaller than what the sizers tell ye
topsizer->SetSizeHints( this );
SetSizer( topsizer );
}
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