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added the splitter event processing and also cleaned up the sample a bit

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13442 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2002-01-07 18:33:30 +00:00
parent 2dab12be49
commit 2f294a9c38
1 changed files with 208 additions and 160 deletions
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368
samples/splitter/splitter.cpp
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@@ -9,266 +9,313 @@
// Licence: wxWindows license // Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h". // For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h" #include "wx/wxprec.h"
#ifdef __BORLANDC__ #ifdef __BORLANDC__
#pragma hdrstop #pragma hdrstop
#endif #endif
#ifndef WX_PRECOMP #ifndef WX_PRECOMP
#include "wx/wx.h" #include "wx/wx.h"
#endif #endif
#include "wx/splitter.h" #include "wx/splitter.h"
class MyApp; // ----------------------------------------------------------------------------
class MyFrame; // constants
class MyCanvas; // ----------------------------------------------------------------------------
// ID for the menu commands
enum
{
SPLIT_QUIT,
SPLIT_HORIZONTAL,
SPLIT_VERTICAL,
SPLIT_UNSPLIT,
SPLIT_SETMINSIZE
};
// ----------------------------------------------------------------------------
// our classes
// ----------------------------------------------------------------------------
class MyApp: public wxApp class MyApp: public wxApp
{ {
public: public:
bool OnInit(); bool OnInit();
};
class MySplitterWindow : public wxSplitterWindow
{
public:
MySplitterWindow(wxFrame *parent, wxWindowID id)
: wxSplitterWindow(parent, id, wxDefaultPosition, wxDefaultSize,
wxSP_3D | wxSP_LIVE_UPDATE | wxCLIP_CHILDREN)
{
m_frame = parent;
}
virtual bool OnSashPositionChange(int newSashPosition)
{
if ( !wxSplitterWindow::OnSashPositionChange(newSashPosition) )
return FALSE;
wxString str;
str.Printf( _T("Sash position = %d"), newSashPosition);
m_frame->SetStatusText(str);
return TRUE;
}
private:
wxFrame *m_frame;
}; };
class MyFrame: public wxFrame class MyFrame: public wxFrame
{ {
public: public:
MyFrame(wxFrame* frame, const wxString& title, const wxPoint& pos, const wxSize& size); MyFrame();
virtual ~MyFrame(); virtual ~MyFrame();
// Menu commands // Menu commands
void SplitHorizontal(wxCommandEvent& event); void SplitHorizontal(wxCommandEvent& event);
void SplitVertical(wxCommandEvent& event); void SplitVertical(wxCommandEvent& event);
void Unsplit(wxCommandEvent& event); void Unsplit(wxCommandEvent& event);
void SetMinSize(wxCommandEvent& event); void SetMinSize(wxCommandEvent& event);
void Quit(wxCommandEvent& event); void Quit(wxCommandEvent& event);
// Menu command update functions // Menu command update functions
void UpdateUIHorizontal(wxUpdateUIEvent& event); void UpdateUIHorizontal(wxUpdateUIEvent& event);
void UpdateUIVertical(wxUpdateUIEvent& event); void UpdateUIVertical(wxUpdateUIEvent& event);
void UpdateUIUnsplit(wxUpdateUIEvent& event); void UpdateUIUnsplit(wxUpdateUIEvent& event);
private: private:
void UpdatePosition(); wxScrolledWindow *m_left, *m_right;
wxScrolledWindow *m_left, *m_right; wxSplitterWindow* m_splitter;
MySplitterWindow* m_splitter; DECLARE_EVENT_TABLE()
};
DECLARE_EVENT_TABLE() class MySplitterWindow : public wxSplitterWindow
{
public:
MySplitterWindow(wxFrame *parent);
// event handlers
void OnPositionChanged(wxSplitterEvent& event);
void OnPositionChanging(wxSplitterEvent& event);
void OnDClick(wxSplitterEvent& event);
void OnUnsplit(wxSplitterEvent& event);
private:
wxFrame *m_frame;
DECLARE_EVENT_TABLE()
}; };
class MyCanvas: public wxScrolledWindow class MyCanvas: public wxScrolledWindow
{ {
public: public:
MyCanvas(wxWindow* parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, const wxString& name = ""); MyCanvas(wxWindow* parent);
virtual ~MyCanvas(); virtual ~MyCanvas();
virtual void OnDraw(wxDC& dc); virtual void OnDraw(wxDC& dc);
DECLARE_EVENT_TABLE()
}; };
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) // ============================================================================
END_EVENT_TABLE() // implementation
// ============================================================================
// ID for the menu commands // ----------------------------------------------------------------------------
enum // MyApp
{ // ----------------------------------------------------------------------------
SPLIT_QUIT,
SPLIT_HORIZONTAL,
SPLIT_VERTICAL,
SPLIT_UNSPLIT,
SPLIT_SETMINSIZE
};
// Window ids
#define SPLITTER_WINDOW 100
#define SPLITTER_FRAME 101
#define CANVAS1 102
#define CANVAS2 103
IMPLEMENT_APP(MyApp) IMPLEMENT_APP(MyApp)
bool MyApp::OnInit(void) bool MyApp::OnInit()
{ {
MyFrame* frame = new MyFrame((wxFrame *) NULL, "wxSplitterWindow Example", // create and show the main frame
wxPoint(50, 50), wxSize(420, 300)); MyFrame* frame = new MyFrame;
// Show the frame frame->Show(TRUE);
frame->Show(TRUE);
SetTopWindow(frame); return TRUE;
return TRUE;
} }
BEGIN_EVENT_TABLE(MyFrame, wxFrame) // ----------------------------------------------------------------------------
EVT_MENU(SPLIT_VERTICAL, MyFrame::SplitVertical) // MyFrame
EVT_MENU(SPLIT_HORIZONTAL, MyFrame::SplitHorizontal) // ----------------------------------------------------------------------------
EVT_MENU(SPLIT_UNSPLIT, MyFrame::Unsplit)
EVT_MENU(SPLIT_QUIT, MyFrame::Quit)
EVT_MENU(SPLIT_SETMINSIZE, MyFrame::SetMinSize)
EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::UpdateUIVertical) BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::UpdateUIHorizontal) EVT_MENU(SPLIT_VERTICAL, MyFrame::SplitVertical)
EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::UpdateUIUnsplit) EVT_MENU(SPLIT_HORIZONTAL, MyFrame::SplitHorizontal)
EVT_MENU(SPLIT_UNSPLIT, MyFrame::Unsplit)
EVT_MENU(SPLIT_QUIT, MyFrame::Quit)
EVT_MENU(SPLIT_SETMINSIZE, MyFrame::SetMinSize)
EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::UpdateUIVertical)
EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::UpdateUIHorizontal)
EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::UpdateUIUnsplit)
END_EVENT_TABLE() END_EVENT_TABLE()
// My frame constructor // My frame constructor
MyFrame::MyFrame(wxFrame* frame, const wxString& title, MyFrame::MyFrame()
const wxPoint& pos, const wxSize& size) : wxFrame(NULL, -1, _T("wxSplitterWindow sample"),
: wxFrame(frame, SPLITTER_FRAME, title, pos, size, wxDefaultPosition, wxSize(420, 300),
wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE) wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
{ {
CreateStatusBar(2); CreateStatusBar(2);
// Make a menubar // Make a menubar
wxMenu *fileMenu = new wxMenu; wxMenu *fileMenu = new wxMenu;
fileMenu->Append(SPLIT_VERTICAL, "Split &Vertically\tCtrl-V", "Split vertically"); fileMenu->Append(SPLIT_VERTICAL, _T("Split &Vertically\tCtrl-V"), _T("Split vertically"));
fileMenu->Append(SPLIT_HORIZONTAL, "Split &Horizontally\tCtrl-H", "Split horizontally"); fileMenu->Append(SPLIT_HORIZONTAL, _T("Split &Horizontally\tCtrl-H"), _T("Split horizontally"));
fileMenu->Append(SPLIT_UNSPLIT, "&Unsplit\tCtrl-U", "Unsplit"); fileMenu->Append(SPLIT_UNSPLIT, _T("&Unsplit\tCtrl-U"), _T("Unsplit"));
fileMenu->AppendSeparator(); fileMenu->AppendSeparator();
fileMenu->Append(SPLIT_SETMINSIZE, "Set &min size", "Set minimum pane size"); fileMenu->Append(SPLIT_SETMINSIZE, _T("Set &min size"), _T("Set minimum pane size"));
fileMenu->AppendSeparator(); fileMenu->AppendSeparator();
fileMenu->Append(SPLIT_QUIT, "E&xit\tAlt-X", "Exit"); fileMenu->Append(SPLIT_QUIT, _T("E&xit\tAlt-X"), _T("Exit"));
wxMenuBar *menuBar = new wxMenuBar; wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(fileMenu, "&File"); menuBar->Append(fileMenu, _T("&File"));
SetMenuBar(menuBar); SetMenuBar(menuBar);
m_splitter = new MySplitterWindow(this, SPLITTER_WINDOW); m_splitter = new MySplitterWindow(this);
#if 1 #if 1
m_left = new MyCanvas(m_splitter, CANVAS1, wxPoint(0, 0), wxSize(400, 400), "Test1" ); m_left = new MyCanvas(m_splitter);
m_left->SetBackgroundColour(*wxRED); m_left->SetBackgroundColour(*wxRED);
m_left->SetScrollbars(20, 20, 50, 50); m_left->SetScrollbars(20, 20, 50, 50);
m_left->SetCursor(wxCursor(wxCURSOR_MAGNIFIER)); m_left->SetCursor(wxCursor(wxCURSOR_MAGNIFIER));
m_right = new MyCanvas(m_splitter, CANVAS2, wxPoint(0, 0), wxSize(400, 400), "Test2" ); m_right = new MyCanvas(m_splitter);
m_right->SetBackgroundColour(*wxCYAN); m_right->SetBackgroundColour(*wxCYAN);
m_right->SetScrollbars(20, 20, 50, 50); m_right->SetScrollbars(20, 20, 50, 50);
#else // for testing kbd navigation inside the splitter #else // for testing kbd navigation inside the splitter
m_left = new wxTextCtrl(m_splitter, -1, "first text"); m_left = new wxTextCtrl(m_splitter, -1, _T("first text"));
m_right = new wxTextCtrl(m_splitter, -1, "second text"); m_right = new wxTextCtrl(m_splitter, -1, _T("second text"));
#endif #endif
// you can also do this to start with a single window // you can also do this to start with a single window
#if 0 #if 0
m_right->Show(FALSE); m_right->Show(FALSE);
m_splitter->Initialize(m_left); m_splitter->Initialize(m_left);
#else #else
m_splitter->SplitVertically(m_left, m_right, 100); m_splitter->SplitVertically(m_left, m_right, 100);
#endif #endif
SetStatusText("Min pane size = 0", 1); SetStatusText(_T("Min pane size = 0"), 1);
} }
MyFrame::~MyFrame() MyFrame::~MyFrame()
{ {
} }
// menu command handlers
void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) ) void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
{ {
Close(TRUE); Close(TRUE);
} }
void MyFrame::SplitHorizontal(wxCommandEvent& WXUNUSED(event) ) void MyFrame::SplitHorizontal(wxCommandEvent& WXUNUSED(event) )
{ {
if ( m_splitter->IsSplit() ) if ( m_splitter->IsSplit() )
m_splitter->Unsplit(); m_splitter->Unsplit();
m_left->Show(TRUE); m_left->Show(TRUE);
m_right->Show(TRUE); m_right->Show(TRUE);
m_splitter->SplitHorizontally( m_left, m_right ); m_splitter->SplitHorizontally( m_left, m_right );
UpdatePosition();
} }
void MyFrame::SplitVertical(wxCommandEvent& WXUNUSED(event) ) void MyFrame::SplitVertical(wxCommandEvent& WXUNUSED(event) )
{ {
if ( m_splitter->IsSplit() ) if ( m_splitter->IsSplit() )
m_splitter->Unsplit(); m_splitter->Unsplit();
m_left->Show(TRUE); m_left->Show(TRUE);
m_right->Show(TRUE); m_right->Show(TRUE);
m_splitter->SplitVertically( m_left, m_right ); m_splitter->SplitVertically( m_left, m_right );
UpdatePosition();
} }
void MyFrame::Unsplit(wxCommandEvent& WXUNUSED(event) ) void MyFrame::Unsplit(wxCommandEvent& WXUNUSED(event) )
{ {
if ( m_splitter->IsSplit() ) if ( m_splitter->IsSplit() )
m_splitter->Unsplit(); m_splitter->Unsplit();
SetStatusText("No splitter"); SetStatusText(_T("No splitter"));
} }
void MyFrame::SetMinSize(wxCommandEvent& WXUNUSED(event) ) void MyFrame::SetMinSize(wxCommandEvent& WXUNUSED(event) )
{ {
wxString str; wxString str;
str.Printf( _T("%d"), m_splitter->GetMinimumPaneSize()); str.Printf( _T(_T("%d")), m_splitter->GetMinimumPaneSize());
str = wxGetTextFromUser("Enter minimal size for panes:", "", str, this); str = wxGetTextFromUser(_T("Enter minimal size for panes:"), _T(""), str, this);
if ( str.IsEmpty() ) if ( str.IsEmpty() )
return; return;
int minsize = wxStrtol( str, (wxChar**)NULL, 10 ); int minsize = wxStrtol( str, (wxChar**)NULL, 10 );
m_splitter->SetMinimumPaneSize(minsize); m_splitter->SetMinimumPaneSize(minsize);
str.Printf( _T("Min pane size = %d"), minsize); str.Printf( _T(_T("Min pane size = %d")), minsize);
SetStatusText(str, 1); SetStatusText(str, 1);
} }
// Update UI handlers
void MyFrame::UpdateUIHorizontal(wxUpdateUIEvent& event) void MyFrame::UpdateUIHorizontal(wxUpdateUIEvent& event)
{ {
bool foo = ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) ); event.Enable( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) );
if( !foo )
event.Enable( foo );
} }
void MyFrame::UpdateUIVertical(wxUpdateUIEvent& event) void MyFrame::UpdateUIVertical(wxUpdateUIEvent& event)
{ {
event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) ); event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) );
} }
void MyFrame::UpdateUIUnsplit(wxUpdateUIEvent& event) void MyFrame::UpdateUIUnsplit(wxUpdateUIEvent& event)
{ {
event.Enable( m_splitter->IsSplit() ); event.Enable( m_splitter->IsSplit() );
} }
void MyFrame::UpdatePosition() // ----------------------------------------------------------------------------
// MySplitterWindow
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MySplitterWindow, wxSplitterWindow)
EVT_SPLITTER_SASH_POS_CHANGED(-1, MySplitterWindow::OnPositionChanged)
EVT_SPLITTER_SASH_POS_CHANGING(-1, MySplitterWindow::OnPositionChanging)
EVT_SPLITTER_DCLICK(-1, MySplitterWindow::OnDClick)
EVT_SPLITTER_UNSPLIT(-1, MySplitterWindow::OnUnsplit)
END_EVENT_TABLE()
MySplitterWindow::MySplitterWindow(wxFrame *parent)
: wxSplitterWindow(parent, -1,
wxDefaultPosition, wxDefaultSize,
wxSP_3D | wxSP_LIVE_UPDATE | wxCLIP_CHILDREN)
{ {
wxString str; m_frame = parent;
str.Printf( _("Sash position = %d"), m_splitter->GetSashPosition());
SetStatusText(str);
} }
MyCanvas::MyCanvas(wxWindow* parent, wxWindowID id, const wxPoint& point, const wxSize& size, const wxString &name ) : void MySplitterWindow::OnPositionChanged(wxSplitterEvent& event)
wxScrolledWindow(parent, id, point, size, 0, name ) {
wxLogStatus(m_frame, _T("Position has changed, now = %d (or %d)"),
event.GetSashPosition(), GetSashPosition());
event.Skip();
}
void MySplitterWindow::OnPositionChanging(wxSplitterEvent& event)
{
wxLogStatus(m_frame, _T("Position is changing, now = %d (or %d)"),
event.GetSashPosition(), GetSashPosition());
event.Skip();
}
void MySplitterWindow::OnDClick(wxSplitterEvent& event)
{
m_frame->SetStatusText(_T("Splitter double clicked"), 1);
event.Skip();
}
void MySplitterWindow::OnUnsplit(wxSplitterEvent& event)
{
m_frame->SetStatusText(_T("Splitter unsplit"), 1);
event.Skip();
}
// ----------------------------------------------------------------------------
// MyCanvas
// ----------------------------------------------------------------------------
MyCanvas::MyCanvas(wxWindow* parent)
: wxScrolledWindow(parent, -1)
{ {
} }
@@ -278,13 +325,14 @@ MyCanvas::~MyCanvas()
void MyCanvas::OnDraw(wxDC& dc) void MyCanvas::OnDraw(wxDC& dc)
{ {
dc.SetPen(*wxBLACK_PEN); dc.SetPen(*wxBLACK_PEN);
dc.DrawLine(0, 0, 100, 100); dc.DrawLine(0, 0, 100, 100);
dc.SetBackgroundMode(wxTRANSPARENT); dc.SetBackgroundMode(wxTRANSPARENT);
dc.DrawText("Testing", 50, 50); dc.DrawText(_T("Testing"), 50, 50);
dc.SetPen(*wxRED_PEN); dc.SetPen(*wxRED_PEN);
dc.SetBrush(*wxGREEN_BRUSH); dc.SetBrush(*wxGREEN_BRUSH);
dc.DrawRectangle(120, 120, 100, 80); dc.DrawRectangle(120, 120, 100, 80);
} }