Added wxTLW::SetShape and implementations for wxGTK, wxMSW and an
empty stub for wxMac. Added some generic helpers and a new ctor to wxRegion. Added samples/shaped. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19857 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
223
samples/shaped/shaped.cpp
Normal file
223
samples/shaped/shaped.cpp
Normal file
@@ -0,0 +1,223 @@
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
// Name: shaped.cpp
|
||||
// Purpose: Shaped Window sample
|
||||
// Author: Robin Dunn
|
||||
// Modified by:
|
||||
// Created: 28-Mar-2003
|
||||
// RCS-ID: $Id$
|
||||
// Copyright: (c) Robin Dunn
|
||||
// Licence: wxWindows licence
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// ============================================================================
|
||||
// declarations
|
||||
// ============================================================================
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// headers
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
#if defined(__GNUG__) && !defined(__APPLE__)
|
||||
#pragma implementation "shaped.cpp"
|
||||
#pragma interface "shaped.cpp"
|
||||
#endif
|
||||
|
||||
// For compilers that support precompilation, includes "wx/wx.h".
|
||||
#include "wx/wxprec.h"
|
||||
|
||||
#ifdef __BORLANDC__
|
||||
#pragma hdrstop
|
||||
#endif
|
||||
|
||||
// for all others, include the necessary headers
|
||||
#ifndef WX_PRECOMP
|
||||
#include "wx/app.h"
|
||||
#include "wx/log.h"
|
||||
#include "wx/frame.h"
|
||||
#include "wx/panel.h"
|
||||
#include "wx/stattext.h"
|
||||
#include "wx/menu.h"
|
||||
#include "wx/layout.h"
|
||||
#include "wx/msgdlg.h"
|
||||
#endif
|
||||
|
||||
#include "wx/dcclient.h"
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// private classes
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
// Define a new application type, each program should derive a class from wxApp
|
||||
class MyApp : public wxApp
|
||||
{
|
||||
public:
|
||||
// override base class virtuals
|
||||
// ----------------------------
|
||||
|
||||
// this one is called on application startup and is a good place for the app
|
||||
// initialization (doing it here and not in the ctor allows to have an error
|
||||
// return: if OnInit() returns false, the application terminates)
|
||||
virtual bool OnInit();
|
||||
};
|
||||
|
||||
|
||||
// Define a new frame type: this is going to be our main frame
|
||||
class ShapedFrame : public wxFrame
|
||||
{
|
||||
public:
|
||||
// ctor(s)
|
||||
ShapedFrame();
|
||||
void SetWindowShape();
|
||||
|
||||
// event handlers (these functions should _not_ be virtual)
|
||||
void OnDoubleClick(wxMouseEvent& evt);
|
||||
void OnLeftDown(wxMouseEvent& evt);
|
||||
void OnLeftUp(wxMouseEvent& evt);
|
||||
void OnMouseMove(wxMouseEvent& evt);
|
||||
void OnExit(wxMouseEvent& evt);
|
||||
void OnPaint(wxPaintEvent& evt);
|
||||
void OnWindowCreate(wxWindowCreateEvent& evt);
|
||||
|
||||
private:
|
||||
bool m_hasShape;
|
||||
wxBitmap m_bmp;
|
||||
wxPoint m_delta;
|
||||
|
||||
// any class wishing to process wxWindows events must use this macro
|
||||
DECLARE_EVENT_TABLE()
|
||||
};
|
||||
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// event tables and other macros for wxWindows
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
// the event tables connect the wxWindows 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(ShapedFrame, wxFrame)
|
||||
EVT_LEFT_DCLICK(ShapedFrame::OnDoubleClick)
|
||||
EVT_LEFT_DOWN(ShapedFrame::OnLeftDown)
|
||||
EVT_LEFT_UP(ShapedFrame::OnLeftUp)
|
||||
EVT_MOTION(ShapedFrame::OnMouseMove)
|
||||
EVT_RIGHT_UP(ShapedFrame::OnExit)
|
||||
|
||||
EVT_PAINT(ShapedFrame::OnPaint)
|
||||
|
||||
#ifdef __WXGTK__
|
||||
EVT_WINDOW_CREATE(ShapedFrame::OnWindowCreate)
|
||||
#endif
|
||||
END_EVENT_TABLE()
|
||||
|
||||
|
||||
// Create a new application object: this macro will allow wxWindows to create
|
||||
// the application object during program execution (it's better than using a
|
||||
// static object for many reasons) and also declares the accessor function
|
||||
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
|
||||
// not wxApp)
|
||||
IMPLEMENT_APP(MyApp)
|
||||
|
||||
// ============================================================================
|
||||
// implementation
|
||||
// ============================================================================
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// the application class
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
// `Main program' equivalent: the program execution "starts" here
|
||||
bool MyApp::OnInit()
|
||||
{
|
||||
wxInitAllImageHandlers();
|
||||
|
||||
// Create the main application window
|
||||
ShapedFrame *frame = new ShapedFrame();
|
||||
frame->Show(TRUE);
|
||||
|
||||
// success: wxApp::OnRun() will be called which will enter the main message
|
||||
// loop and the application will run. If we returned FALSE here, the
|
||||
// application would exit immediately.
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// main frame
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
// frame constructor
|
||||
ShapedFrame::ShapedFrame()
|
||||
: wxFrame((wxFrame *)NULL, -1, wxEmptyString,
|
||||
wxDefaultPosition, wxDefaultSize,
|
||||
wxSIMPLE_BORDER | wxFRAME_NO_TASKBAR)
|
||||
{
|
||||
m_hasShape = FALSE;
|
||||
m_bmp = wxBitmap("star.png", wxBITMAP_TYPE_PNG);
|
||||
SetSize(wxSize(m_bmp.GetWidth(), m_bmp.GetHeight()));
|
||||
SetToolTip(wxT("Right-click to exit"));
|
||||
#ifdef __wxMSW__
|
||||
// On wxGTK we can't do this yet because the window hasn't been created
|
||||
// yet so we wait until the EVT_WINDOW_CREATE event happens. On wxMSW it
|
||||
// has been created so we set the shape now.
|
||||
SetWindowShape();
|
||||
#endif
|
||||
}
|
||||
|
||||
void ShapedFrame::SetWindowShape()
|
||||
{
|
||||
wxRegion region(m_bmp, *wxWHITE);
|
||||
m_hasShape = SetShape(region);
|
||||
}
|
||||
|
||||
void ShapedFrame::OnDoubleClick(wxMouseEvent& evt)
|
||||
{
|
||||
if (m_hasShape)
|
||||
{
|
||||
wxRegion region;
|
||||
SetShape(region);
|
||||
m_hasShape = FALSE;
|
||||
}
|
||||
else
|
||||
SetWindowShape();
|
||||
}
|
||||
|
||||
void ShapedFrame::OnLeftDown(wxMouseEvent& evt)
|
||||
{
|
||||
CaptureMouse();
|
||||
wxPoint pos = ClientToScreen(evt.GetPosition());
|
||||
wxPoint origin = GetPosition();
|
||||
int dx = pos.x - origin.x;
|
||||
int dy = pos.y - origin.y;
|
||||
m_delta = wxPoint(dx, dy);
|
||||
}
|
||||
|
||||
void ShapedFrame::OnLeftUp(wxMouseEvent& evt)
|
||||
{
|
||||
if (HasCapture())
|
||||
ReleaseMouse();
|
||||
}
|
||||
|
||||
void ShapedFrame::OnMouseMove(wxMouseEvent& evt)
|
||||
{
|
||||
if (evt.Dragging() && evt.LeftIsDown())
|
||||
{
|
||||
wxPoint pos = ClientToScreen(evt.GetPosition());
|
||||
Move(wxPoint(pos.x - m_delta.x, pos.y - m_delta.y));
|
||||
}
|
||||
}
|
||||
|
||||
void ShapedFrame::OnExit(wxMouseEvent& evt)
|
||||
{
|
||||
Close();
|
||||
}
|
||||
|
||||
void ShapedFrame::OnPaint(wxPaintEvent& evt)
|
||||
{
|
||||
wxPaintDC dc(this);
|
||||
dc.DrawBitmap(m_bmp, 0, 0, TRUE);
|
||||
}
|
||||
|
||||
void ShapedFrame::OnWindowCreate(wxWindowCreateEvent& evt)
|
||||
{
|
||||
SetWindowShape();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user