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/**********************************************************************
Audacity: A Digital Audio Editor
AButton.cpp
Dominic Mazzoni
This is a custom button class for Audacity. The main feature it
supports that a wxButton does not is mouseovers. It uses an image
for all of its states: up, over, down, and disabled, allowing any
sort of customization you want. Currently it does not support
transparency effects, so the images must be rectangular and
opaque.
**********************************************************************/
#include <wx/dcclient.h>
#include <wx/dcmemory.h>
#include <wx/image.h>
#include "AButton.h"
BEGIN_EVENT_TABLE(AButton, wxWindow)
EVT_MOUSE_EVENTS(AButton::OnMouseEvent)
EVT_PAINT(AButton::OnPaint)
END_EVENT_TABLE()
AButton::AButton(wxWindow * parent, wxWindowID id,
const wxPoint & pos,
const wxSize & size,
char **upXPM,
char **overXPM,
char **downXPM,
char **disXPM):wxWindow(parent, id, pos, size)
{
mButtonIsDown = false;
mButtonState = AButtonUp;
mIsClicking = false;
mEnabled = true;
mBitmap[0] = new wxBitmap((const char **) upXPM);
mBitmap[1] = new wxBitmap((const char **) overXPM);
mBitmap[2] = new wxBitmap((const char **) downXPM);
mBitmap[3] = new wxBitmap((const char **) disXPM);
GetSize(&mWidth, &mHeight);
}
AButton::~AButton()
{
delete mBitmap[0];
delete mBitmap[1];
delete mBitmap[2];
delete mBitmap[3];
}
void AButton::OnPaint(wxPaintEvent & event)
{
wxPaintDC dc(this);
wxMemoryDC memDC;
memDC.SelectObject(*mBitmap[mButtonState]);
dc.Blit(0, 0, mWidth, mHeight, &memDC, 0, 0, wxCOPY, FALSE);
}
void AButton::OnMouseEvent(wxMouseEvent & event)
{
if (mButtonIsDown || !mEnabled)
return;
if (event.ButtonUp()) {
mIsClicking = false;
ReleaseMouse();
if (event.m_x >= 0 && event.m_y >= 0 &&
event.m_x < mWidth && event.m_y < mHeight) {
mButtonState = AButtonDown;
mButtonIsDown = true;
wxCommandEvent *e =
new wxCommandEvent(wxEVT_COMMAND_BUTTON_CLICKED, GetId());
GetParent()->ProcessEvent(*e);
delete e;
}
this->Refresh(false);
return;
}
if (event.ButtonDown()) {
mIsClicking = true;
CaptureMouse();
}
if (mIsClicking) {
if (event.m_x >= 0 && event.m_y >= 0 &&
event.m_x < mWidth && event.m_y < mHeight) {
mButtonState = AButtonDown;
} else
mButtonState = AButtonUp;
this->Refresh(false);
} else {
if (event.Entering()) {
mButtonState = AButtonOver;
this->Refresh(false);
}
if (event.Leaving()) {
mButtonState = AButtonUp;
this->Refresh(false);
}
}
}
void AButton::Enable()
{
mEnabled = true;
if (mButtonIsDown)
mButtonState = AButtonDown;
else
mButtonState = AButtonUp;
this->Refresh(false);
}
void AButton::Disable()
{
mEnabled = false;
mButtonState = AButtonDis;
this->Refresh(false);
}
void AButton::PushDown()
{
mButtonIsDown = true;
mButtonState = AButtonDown;
this->Refresh(false);
}
void AButton::PopUp()
{
mButtonIsDown = false;
mButtonState = AButtonUp;
this->Refresh(false);
}
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