/////////////////////////////////////////////////////////////////////////////
// Name: render.cpp
-// Purpose: Render wxWindows sample
+// Purpose: Render wxWidgets sample
// Author: Vadim Zeitlin
// Modified by:
// Created: 04.08.03
// RCS-ID: $Id$
-// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/frame.h"
+ #include "wx/dc.h"
+ #include "wx/dcclient.h"
+ #include "wx/panel.h"
+ #include "wx/menu.h"
+ #include "wx/textdlg.h"
+ #include "wx/log.h"
+ #include "wx/msgdlg.h"
+ #include "wx/icon.h"
+ #include "wx/image.h"
#endif
#include "wx/apptrait.h"
+#include "wx/artprov.h"
#include "wx/renderer.h"
// ----------------------------------------------------------------------------
public:
MyRenderer() : wxDelegateRendererNative(wxRendererNative::GetDefault()) { }
- virtual void DrawHeaderButton(wxWindow * WXUNUSED(win),
+ virtual int DrawHeaderButton(wxWindow *WXUNUSED(win),
wxDC& dc,
const wxRect& rect,
- int WXUNUSED(flags) = 0)
+ int WXUNUSED(flags) = 0,
+ wxHeaderSortIconType WXUNUSED(sortArrow)
+ = wxHDR_SORT_ICON_NONE,
+ wxHeaderButtonParams* params = NULL)
{
- dc.SetBrush(*wxBLUE_BRUSH);
- dc.SetTextForeground(*wxWHITE);
+ wxDCBrushChanger setBrush(dc, *wxBLUE_BRUSH);
+ wxDCTextColourChanger setFgCol(dc, *wxWHITE);
dc.DrawRoundedRectangle(rect, 5);
- dc.DrawLabel(_T("MyRenderer"), wxNullBitmap, rect, wxALIGN_CENTER);
+
+ wxString label;
+ if ( params )
+ label = params->m_labelText;
+ dc.DrawLabel(label, wxNullBitmap, rect, wxALIGN_CENTER);
+ return rect.width;
}
};
{
virtual wxRendererNative *CreateRenderer()
{
- // it will be deleted on program shutdown by wxWindows itself
+ // it will be deleted on program shutdown by wxWidgets itself
return new MyRenderer;
}
};
MyFrame();
virtual ~MyFrame();
+private:
// event handlers (these functions should _not_ be virtual)
+ void OnDrawDisabled(wxCommandEvent& event)
+ { OnToggleDrawFlag(event, wxCONTROL_DISABLED); }
+ void OnDrawFocused(wxCommandEvent& event)
+ { OnToggleDrawFlag(event, wxCONTROL_FOCUSED); }
+ void OnDrawPressed(wxCommandEvent& event)
+ { OnToggleDrawFlag(event, wxCONTROL_PRESSED); }
+ void OnDrawChecked(wxCommandEvent& event)
+ { OnToggleDrawFlag(event, wxCONTROL_CHECKED); }
+ void OnDrawHot(wxCommandEvent& event)
+ { OnToggleDrawFlag(event, wxCONTROL_CURRENT); }
+ void OnDrawUndetermined(wxCommandEvent &event)
+ { OnToggleDrawFlag(event, wxCONTROL_UNDETERMINED); }
+
+ void OnAlignLeft(wxCommandEvent& WXUNUSED(event))
+ { OnChangeAlign(wxALIGN_LEFT); }
+ void OnAlignCentre(wxCommandEvent& WXUNUSED(event))
+ { OnChangeAlign(wxALIGN_CENTRE); }
+ void OnAlignRight(wxCommandEvent& WXUNUSED(event))
+ { OnChangeAlign(wxALIGN_RIGHT); }
+
+ void OnUseIcon(wxCommandEvent& event);
+ void OnUseBitmap(wxCommandEvent& event);
+
+#if wxUSE_DYNLIB_CLASS
void OnLoad(wxCommandEvent& event);
void OnUnload(wxCommandEvent& event);
+#endif // wxUSE_DYNLIB_CLASS
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
-private:
- wxPanel *m_panel;
+ void OnToggleDrawFlag(wxCommandEvent& event, int flag);
+ void OnChangeAlign(int align);
+
+ class MyPanel *m_panel;
- // any class wishing to process wxWindows events must use this macro
+ // any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
};
class MyPanel : public wxPanel
{
public:
- MyPanel(wxWindow *parent) : wxPanel(parent) { }
+ MyPanel(wxWindow *parent) : wxPanel(parent)
+ {
+ m_flags = 0;
+ m_align = wxALIGN_LEFT;
+ m_useIcon =
+ m_useBitmap = false;
+ }
+
+ int GetFlags() const { return m_flags; }
+ void SetFlags(int flags) { m_flags = flags; }
+
+ void SetAlignment(int align) { m_align = align; }
+ void SetUseIcon(bool useIcon) { m_useIcon = useIcon; }
+ void SetUseBitmap(bool useBitmap) { m_useBitmap = useBitmap; }
+private:
void OnPaint(wxPaintEvent&)
{
wxPaintDC dc(this);
- dc.DrawText(_T("Below is the standard header button drawn"), 10, 10);
- dc.DrawText(_T("using the current renderer:"), 10, 40);
-
- wxRendererNative::Get().DrawHeaderButton(this, dc,
- wxRect(20, 70, 100, 60));
+ wxRendererNative& renderer = wxRendererNative::Get();
+
+ int x1 = 10, // text offset
+ x2 = 300, // drawing offset
+ y = 10;
+
+ const int lineHeight = dc.GetCharHeight();
+ dc.DrawText("Demonstration of various wxRenderer functions:", x1, y);
+ y += lineHeight;
+ wxString flagsString;
+ if ( m_flags & wxCONTROL_DISABLED )
+ flagsString += "wxCONTROL_DISABLED ";
+ if ( m_flags & wxCONTROL_FOCUSED )
+ flagsString += "wxCONTROL_FOCUSED ";
+ if ( m_flags & wxCONTROL_PRESSED )
+ flagsString += "wxCONTROL_PRESSED ";
+ if ( m_flags & wxCONTROL_CURRENT )
+ flagsString += "wxCONTROL_CURRENT ";
+ if ( m_flags & wxCONTROL_CHECKED )
+ flagsString += "wxCONTROL_CHECKED ";
+ if ( m_flags & wxCONTROL_UNDETERMINED )
+ flagsString += "wxCONTROL_UNDETERMINED ";
+ if ( flagsString.empty() )
+ flagsString = "(none)";
+ dc.DrawText("Using flags: " + flagsString, x1, y);
+ y += lineHeight*3;
+
+ const wxCoord heightHdr = renderer.GetHeaderButtonHeight(this);
+ const wxCoord widthHdr = 120;
+
+ const wxHeaderSortIconType
+ hdrSortIcon = m_useIcon ? wxHDR_SORT_ICON_UP
+ : wxHDR_SORT_ICON_NONE;
+
+ wxHeaderButtonParams hdrParams;
+ hdrParams.m_labelText = "Header";
+ hdrParams.m_labelAlignment = m_align;
+ if ( m_useBitmap )
+ {
+ hdrParams.m_labelBitmap = wxArtProvider::GetBitmap(wxART_WARNING,
+ wxART_LIST);
+ }
+
+ dc.DrawText("DrawHeaderButton() (default)", x1, y);
+ wxRendererNative::GetDefault().DrawHeaderButton(this, dc,
+ wxRect(x2, y, widthHdr, heightHdr), m_flags,
+ hdrSortIcon, &hdrParams);
+ y += lineHeight + heightHdr;
+
+ dc.DrawText("DrawHeaderButton() (overridden)", x1, y);
+ renderer.DrawHeaderButton(this, dc,
+ wxRect(x2, y, widthHdr, heightHdr), m_flags,
+ hdrSortIcon, &hdrParams);
+ y += lineHeight + heightHdr;
+
+ dc.DrawText("DrawCheckBox()", x1, y);
+ const wxSize sizeCheck = renderer.GetCheckBoxSize(this);
+ renderer.DrawCheckBox(this, dc,
+ wxRect(wxPoint(x2, y), sizeCheck), m_flags);
+ y += lineHeight + sizeCheck.y;
+
+ dc.DrawText("DrawRadioBitmap()", x1, y);
+ renderer.DrawRadioBitmap(this, dc,
+ wxRect(wxPoint(x2, y), sizeCheck), m_flags);
+ y += lineHeight + sizeCheck.y;
+
+ dc.DrawText("DrawTreeItemButton()", x1, y);
+ renderer.DrawTreeItemButton(this, dc,
+ wxRect(x2, y, 20, 20), m_flags);
+ y += lineHeight + 20;
+
+#ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
+ dc.DrawText("DrawTitleBarBitmap()", x1, y);
+ wxRect rBtn(x2, y, 21, 21);
+ renderer.DrawTitleBarBitmap(this, dc, rBtn,
+ wxTITLEBAR_BUTTON_HELP, m_flags);
+ rBtn.x += 2*rBtn.width;
+ renderer.DrawTitleBarBitmap(this, dc, rBtn,
+ wxTITLEBAR_BUTTON_ICONIZE, m_flags);
+ rBtn.x += 2*rBtn.width;
+ renderer.DrawTitleBarBitmap(this, dc, rBtn,
+ wxTITLEBAR_BUTTON_RESTORE, m_flags);
+ rBtn.x += 2*rBtn.width;
+ renderer.DrawTitleBarBitmap(this, dc, rBtn,
+ wxTITLEBAR_BUTTON_MAXIMIZE, m_flags);
+ rBtn.x += 2*rBtn.width;
+ renderer.DrawTitleBarBitmap(this, dc, rBtn,
+ wxTITLEBAR_BUTTON_CLOSE, m_flags);
+
+ y += lineHeight + rBtn.height;
+#endif // wxHAS_DRAW_TITLE_BAR_BITMAP
}
+ int m_flags;
+ int m_align;
+ bool m_useIcon,
+ m_useBitmap;
+
DECLARE_EVENT_TABLE()
};
enum
{
// our menu items
- Render_Load = 100,
+ Render_DrawDisabled = 100,
+ Render_DrawFocused,
+ Render_DrawPressed,
+ Render_DrawChecked,
+ Render_DrawHot,
+ Render_DrawUndetermined,
+
+ Render_AlignLeft,
+ Render_AlignCentre,
+ Render_AlignRight,
+
+ Render_UseIcon,
+ Render_UseBitmap,
+
+#if wxUSE_DYNLIB_CLASS
+ Render_Load,
Render_Unload,
+#endif // wxUSE_DYNLIB_CLASS
// standard menu items
Render_Quit = wxID_EXIT,
};
// ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
// ----------------------------------------------------------------------------
-// the event tables connect the wxWindows events with the functions (event
+// the event tables connect the wxWidgets events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(Render_DrawDisabled, MyFrame::OnDrawDisabled)
+ EVT_MENU(Render_DrawFocused, MyFrame::OnDrawFocused)
+ EVT_MENU(Render_DrawPressed, MyFrame::OnDrawPressed)
+ EVT_MENU(Render_DrawChecked, MyFrame::OnDrawChecked)
+ EVT_MENU(Render_DrawHot, MyFrame::OnDrawHot)
+ EVT_MENU(Render_DrawUndetermined, MyFrame::OnDrawUndetermined)
+ EVT_MENU(Render_AlignLeft, MyFrame::OnAlignLeft)
+ EVT_MENU(Render_AlignCentre, MyFrame::OnAlignCentre)
+ EVT_MENU(Render_AlignRight, MyFrame::OnAlignRight)
+
+ EVT_MENU(Render_UseIcon, MyFrame::OnUseIcon)
+ EVT_MENU(Render_UseBitmap, MyFrame::OnUseBitmap)
+
+#if wxUSE_DYNLIB_CLASS
EVT_MENU(Render_Load, MyFrame::OnLoad)
EVT_MENU(Render_Unload,MyFrame::OnUnload)
+#endif // wxUSE_DYNLIB_CLASS
EVT_MENU(Render_Quit, MyFrame::OnQuit)
EVT_MENU(Render_About, MyFrame::OnAbout)
END_EVENT_TABLE()
-// Create a new application object: this macro will allow wxWindows to create
+// Create a new application object: this macro will allow wxWidgets to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also implements the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// 'Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
+ if ( !wxApp::OnInit() )
+ return false;
+
+#ifdef __WXOSX__
+ // currently the images used by DrawTitleBarBitmap() are hard coded as PNG
+ // images inside the library itself so we need to enable PNG support to use
+ // this function
+ wxImage::AddHandler(new wxPNGHandler);
+#endif // OS X
+
// create the main application window
new MyFrame;
// frame constructor
MyFrame::MyFrame()
: wxFrame(NULL,
- -1,
- _T("Render wxWindows Sample"),
+ wxID_ANY,
+ wxT("Render wxWidgets Sample"),
wxPoint(50, 50),
wxSize(450, 340))
{
#if wxUSE_MENUS
// create a menu bar
wxMenu *menuFile = new wxMenu;
- menuFile->Append(Render_Load, _T("&Load renderer...\tCtrl-L"));
- menuFile->Append(Render_Unload, _T("&Unload renderer\tCtrl-U"));
- menuFile->Append(Render_Quit, _T("E&xit\tCtrl-Q"), _T("Quit this program"));
+ menuFile->AppendCheckItem(Render_DrawDisabled,
+ "Draw in &disabled state\tCtrl-D");
+ menuFile->AppendCheckItem(Render_DrawFocused,
+ "Draw in &focused state\tCtrl-F");
+ menuFile->AppendCheckItem(Render_DrawPressed,
+ "Draw in &pressed state\tCtrl-P");
+ menuFile->AppendCheckItem(Render_DrawChecked,
+ "Draw in &checked state\tCtrl-C");
+ menuFile->AppendCheckItem(Render_DrawHot,
+ "Draw in &hot state\tCtrl-H");
+ menuFile->AppendCheckItem(Render_DrawUndetermined,
+ "Draw in unde&termined state\tCtrl-T");
+ menuFile->AppendSeparator();
+
+ menuFile->AppendRadioItem(Render_AlignLeft, "&Left align\tCtrl-1");
+ menuFile->AppendRadioItem(Render_AlignCentre, "C&entre align\tCtrl-2");
+ menuFile->AppendRadioItem(Render_AlignRight, "&Right align\tCtrl-3");
+ menuFile->AppendSeparator();
+
+ menuFile->AppendCheckItem(Render_UseIcon, "Draw &icon\tCtrl-I");
+ menuFile->AppendCheckItem(Render_UseBitmap, "Draw &bitmap\tCtrl-B");
+ menuFile->AppendSeparator();
+
+#if wxUSE_DYNLIB_CLASS
+ menuFile->Append(Render_Load, wxT("&Load renderer...\tCtrl-L"));
+ menuFile->Append(Render_Unload, wxT("&Unload renderer\tCtrl-U"));
+ menuFile->AppendSeparator();
+#endif // wxUSE_DYNLIB_CLASS
+ menuFile->Append(Render_Quit);
// the "About" item should be in the help menu
wxMenu *helpMenu = new wxMenu;
- helpMenu->Append(Render_About, _T("&About...\tF1"), _T("Show about dialog"));
+ helpMenu->Append(Render_About);
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
- menuBar->Append(menuFile, _T("&File"));
- menuBar->Append(helpMenu, _T("&Help"));
+ menuBar->Append(menuFile, wxT("&File"));
+ menuBar->Append(helpMenu, wxT("&Help"));
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
- SetStatusText(_T("Welcome to wxWindows!"));
+ SetStatusText(wxT("Welcome to wxWidgets!"));
#endif // wxUSE_STATUSBAR
Show();
// event handlers
+void MyFrame::OnToggleDrawFlag(wxCommandEvent& event, int flag)
+{
+ int flags = m_panel->GetFlags();
+ if ( event.IsChecked() )
+ flags |= flag;
+ else
+ flags &= ~flag;
+
+ m_panel->SetFlags(flags);
+ m_panel->Refresh();
+}
+
+void MyFrame::OnChangeAlign(int align)
+{
+ m_panel->SetAlignment(align);
+ m_panel->Refresh();
+}
+
+void MyFrame::OnUseIcon(wxCommandEvent& event)
+{
+ m_panel->SetUseIcon(event.IsChecked());
+ m_panel->Refresh();
+}
+
+void MyFrame::OnUseBitmap(wxCommandEvent& event)
+{
+ m_panel->SetUseBitmap(event.IsChecked());
+ m_panel->Refresh();
+}
+
+#if wxUSE_DYNLIB_CLASS
+
void MyFrame::OnLoad(wxCommandEvent& WXUNUSED(event))
{
- static wxString s_name = _T("renddll");
+ static wxString s_name = wxT("renddll");
wxString name = wxGetTextFromUser
(
- _T("Name of the renderer to load:"),
- _T("Render wxWindows Sample"),
+ wxT("Name of the renderer to load:"),
+ wxT("Render wxWidgets Sample"),
s_name,
this
);
wxRendererNative *renderer = wxRendererNative::Load(name);
if ( !renderer )
{
- wxLogError(_T("Failed to load renderer \"%s\"."), name.c_str());
+ wxLogError(wxT("Failed to load renderer \"%s\"."), name.c_str());
}
else // loaded ok
{
m_panel->Refresh();
- wxLogStatus(this, _T("Successfully loaded the renderer \"%s\"."),
+ wxLogStatus(this, wxT("Successfully loaded the renderer \"%s\"."),
name.c_str());
}
}
m_panel->Refresh();
- wxLogStatus(this, _T("Unloaded the previously loaded renderer."));
+ wxLogStatus(this, wxT("Unloaded the previously loaded renderer."));
}
else
{
- wxLogWarning(_T("No renderer to unload."));
+ wxLogWarning(wxT("No renderer to unload."));
}
}
+#endif // wxUSE_DYNLIB_CLASS
+
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// true is to force the frame to close
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
- wxMessageBox(_T("Render sample shows how to use custom renderers.\n")
- _T("\n")
- _T("© 2003 Vadim Zeitlin"),
- _T("About Render wxWindows Sample"),
+ wxMessageBox(wxT("Render sample shows how to use custom renderers.\n")
+ wxT("\n")
+ wxT("(c) 2003 Vadim Zeitlin"),
+ wxT("About Render wxWidgets Sample"),
wxOK | wxICON_INFORMATION, this);
}
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