wxWidgets/samples/layout/layout.cpp
Julian Smart e306597309 Removed lots of OnClose functions; doc'ed OnCloseWindow better;
MM_... -> wxMM_...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1615 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-02-05 23:55:04 +00:00

341 lines
9.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// 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 wx_setup.h!
#endif
#include <ctype.h>
#include "layout.h"
// Declare two frames
MyFrame *frame = (MyFrame *) NULL;
wxMenuBar *menu_bar = (wxMenuBar *) NULL;
IMPLEMENT_APP(MyApp)
MyApp::MyApp()
{
}
bool MyApp::OnInit(void)
{
// 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, "&Test sizers", "Test sizer code");
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(wxColour(192, 192, 192));
// 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;
}
// 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, MyFrame::TestSizers)
EVT_MENU(LAYOUT_ABOUT, MyFrame::About)
EVT_SIZE(MyFrame::OnSize)
END_EVENT_TABLE()
void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
{
wxString s = wxFileSelector("Load text file", (const char *) NULL, (const char *) NULL, (const char *) NULL, "*.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) )
{
SizerFrame *newFrame = new SizerFrame((MyFrame *) NULL, (char *) "Sizer Test Frame", 50, 50, 500, 500);
newFrame->Show(TRUE);
}
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);
dc.DrawSpline(50, 200, 50, 100, 200, 10);
dc.DrawLine(50, 230, 200, 230);
dc.SetPen(* wxBLACK_PEN);
dc.DrawArc(50, 300, 100, 250, 100, 300 );
}
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(void)
{
}
// Define the repainting behaviour
void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) )
{
wxPaintDC dc(this);
frame->Draw(dc,TRUE);
}
SizerFrame::SizerFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
{
panel = new wxPanel(this, -1, wxPoint(0, 0), wxSize(-1, -1), wxTAB_TRAVERSAL);
panel->SetBackgroundColour(wxColour(192, 192, 192));
// A sizer to fit the whole panel, plus two sizers, one
// above the other. A button is centred on the lower
// sizer; a rowcol containing 3 buttons is centred on the upper
// sizer.
wxSizer *expandSizer = new wxSizer(panel, wxSizerExpand);
expandSizer->SetName("expandSizer");
wxLayoutConstraints *c;
/////// TOP OF PANEL
///////
wxSizer *topSizer = new wxSizer(expandSizer);
topSizer->SetName("topSizer");
// Specify constraints for the top sizer
c = new wxLayoutConstraints;
c->left.SameAs (expandSizer, wxLeft);
c->top.SameAs (expandSizer, wxTop);
c->right.SameAs (expandSizer, wxRight);
c->height.PercentOf (expandSizer, wxHeight, 50);
topSizer->SetConstraints(c);
/*
* Add a row-col sizer and some buttons
*/
// Default is layout by rows, 20 columns per row, shrink to fit.
wxRowColSizer *rowCol = new wxRowColSizer(topSizer);
rowCol->SetName("rowCol");
wxButton *button = new wxButton(panel, -1, "Button 1");
rowCol->AddSizerChild(button);
button = new wxButton(panel, -1, "Button 2");
rowCol->AddSizerChild(button);
button = new wxButton(panel, -1, "Button 3");
rowCol->AddSizerChild(button);
// Centre the rowcol in the middle of the upper sizer
c = new wxLayoutConstraints;
c->centreX.SameAs (topSizer, wxCentreX);
c->centreY.SameAs (topSizer, wxCentreY);
c->width.AsIs();
c->height.AsIs();
rowCol->SetConstraints(c);
/////// BOTTOM OF PANEL
///////
wxSizer *bottomSizer = new wxSizer(expandSizer);
// Specify constraints for the bottom sizer
c = new wxLayoutConstraints;
c->left.SameAs (expandSizer, wxLeft);
c->top.PercentOf (expandSizer, wxHeight, 50);
c->right.SameAs (expandSizer, wxRight);
c->height.PercentOf (expandSizer, wxHeight, 50);
bottomSizer->SetConstraints(c);
wxButton *button2 = new wxButton(panel, -1, "Test button");
// The button should be a child of the bottom sizer
bottomSizer->AddSizerChild(button2);
// Centre the button on the sizer
c = new wxLayoutConstraints;
c->centreX.SameAs (bottomSizer, wxCentreX);
c->centreY.SameAs (bottomSizer, wxCentreY);
c->width.PercentOf (bottomSizer, wxWidth, 20);
c->height.PercentOf (bottomSizer, wxHeight, 20);
button2->SetConstraints(c);
}
BEGIN_EVENT_TABLE(SizerFrame, wxFrame)
EVT_SIZE(SizerFrame::OnSize)
END_EVENT_TABLE()
// Size the subwindows when the frame is resized
void SizerFrame::OnSize(wxSizeEvent& event)
{
wxFrame::OnSize(event);
panel->Layout();
}