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Add demonstration of flags to the render sample.

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Allow to select the flags to pass to DrawXXX() functions.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62291 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2009-10-05 22:56:43 +00:00
parent 737e53350c
commit 8c9d15339b
1 changed files with 84 additions and 10 deletions
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94
samples/render/render.cpp
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@ -105,7 +105,19 @@ public:
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); }
#if wxUSE_DYNLIB_CLASS
void OnLoad(wxCommandEvent& event);
void OnUnload(wxCommandEvent& event);
@ -113,8 +125,9 @@ public:
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
private:
wxPanel *m_panel;
void OnToggleDrawFlag(wxCommandEvent& event, int flag);
class MyPanel *m_panel;
// any class wishing to process wxWidgets events must use this macro
DECLARE_EVENT_TABLE()
@ -124,8 +137,12 @@ private:
class MyPanel : public wxPanel
{
public:
MyPanel(wxWindow *parent) : wxPanel(parent) { }
MyPanel(wxWindow *parent) : wxPanel(parent) { m_flags = 0; }
int GetFlags() const { return m_flags; }
void SetFlags(int flags) { m_flags = flags; }
private:
void OnPaint(wxPaintEvent&)
{
wxPaintDC dc(this);
@ -138,27 +155,48 @@ public:
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 ( flagsString.empty() )
flagsString = "(none)";
dc.DrawText("Using flags: " + flagsString, x1, y);
y += lineHeight*3;
dc.DrawText("DrawHeaderButton() (overridden)", x1, y);
const wxCoord heightHdr = renderer.GetHeaderButtonHeight(this);
renderer.DrawHeaderButton(this, dc, wxRect(x2, y, 100, heightHdr));
renderer.DrawHeaderButton(this, dc,
wxRect(x2, y, 100, heightHdr), m_flags);
y += lineHeight + heightHdr;
dc.DrawText("DrawCheckBox()", x1, y);
const wxSize sizeCheck = renderer.GetCheckBoxSize(this);
renderer.DrawCheckBox(this, dc, wxRect(wxPoint(x2, y), sizeCheck));
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));
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));
renderer.DrawTreeItemButton(this, dc,
wxRect(x2, y, 20, 20), m_flags);
y += lineHeight + 20;
}
int m_flags;
DECLARE_EVENT_TABLE()
};
@ -174,8 +212,14 @@ END_EVENT_TABLE()
enum
{
// our menu items
Render_DrawDisabled = 100,
Render_DrawFocused,
Render_DrawPressed,
Render_DrawChecked,
Render_DrawHot,
#if wxUSE_DYNLIB_CLASS
Render_Load = 100,
Render_Load,
Render_Unload,
#endif // wxUSE_DYNLIB_CLASS
@ -196,6 +240,12 @@ enum
// 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)
#if wxUSE_DYNLIB_CLASS
EVT_MENU(Render_Load, MyFrame::OnLoad)
EVT_MENU(Render_Unload,MyFrame::OnUnload)
@ -250,15 +300,27 @@ MyFrame::MyFrame()
#if wxUSE_MENUS
// create a menu bar
wxMenu *menuFile = new wxMenu;
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->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, wxT("E&xit\tCtrl-Q"), wxT("Quit this program"));
menuFile->Append(Render_Quit);
// the "About" item should be in the help menu
wxMenu *helpMenu = new wxMenu;
helpMenu->Append(Render_About, wxT("&About...\tF1"), wxT("Show about dialog"));
helpMenu->Append(Render_About);
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
@ -288,6 +350,18 @@ MyFrame::~MyFrame()
// 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();
}
#if wxUSE_DYNLIB_CLASS
void MyFrame::OnLoad(wxCommandEvent& WXUNUSED(event))