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wxWidgets/src/msw/bmpbuttn.cpp
Julian Smart f9bcbc2e9c Added a fix to taskbar; minor mods to help controllers; added justification 
options to wxButton and wxBitmapButton


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7235 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-04-21 19:15:49 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: bmpbuttn.cpp
// Purpose: wxBitmapButton
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "bmpbuttn.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/bmpbuttn.h"
#include "wx/log.h"
#include "wx/dcmemory.h"
#endif
#include "wx/msw/private.h"
IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
#define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
const wxPoint& pos,
const wxSize& size, long style,
const wxValidator& validator,
const wxString& name)
{
m_buttonBitmap = bitmap;
SetName(name);
#if wxUSE_VALIDATORS
SetValidator(validator);
#endif // wxUSE_VALIDATORS
parent->AddChild(this);
m_backgroundColour = parent->GetBackgroundColour();
m_foregroundColour = parent->GetForegroundColour();
m_windowStyle = style;
m_marginX = 0;
m_marginY = 0;
if ( style & wxBU_AUTODRAW )
{
m_marginX = wxDEFAULT_BUTTON_MARGIN;
m_marginY = wxDEFAULT_BUTTON_MARGIN;
}
int x = pos.x;
int y = pos.y;
int width = size.x;
int height = size.y;
if (id == -1)
m_windowId = NewControlId();
else
m_windowId = id;
if ( width == -1 && bitmap.Ok())
width = bitmap.GetWidth() + 2*m_marginX;
if ( height == -1 && bitmap.Ok())
height = bitmap.GetHeight() + 2*m_marginY;
long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
#ifdef __WIN32__
if(m_windowStyle & wxBU_LEFT)
msStyle |= BS_LEFT;
if(m_windowStyle & wxBU_RIGHT)
msStyle |= BS_RIGHT;
if(m_windowStyle & wxBU_TOP)
msStyle |= BS_TOP;
if(m_windowStyle & wxBU_BOTTOM)
msStyle |= BS_BOTTOM;
#endif
m_hWnd = (WXHWND)CreateWindowEx
(
0,
wxT("BUTTON"),
wxT(""),
msStyle,
0, 0, 0, 0,
GetWinHwnd(parent),
(HMENU)m_windowId,
wxGetInstance(),
NULL
);
// Subclass again for purposes of dialog editing mode
SubclassWin(m_hWnd);
SetFont(parent->GetFont());
SetSize(x, y, width, height);
return TRUE;
}
void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
{
m_buttonBitmap = bitmap;
}
// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
#define FOCUS_MARGIN 3
bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
#if defined(__WIN95__)
long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
if (style & BS_BITMAP)
{
// Let default procedure draw the bitmap, which is defined
// in the Windows resource.
return FALSE;
}
#endif
LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
HDC hDC = lpDIS->hDC;
UINT state = lpDIS->itemState;
bool isSelected = (state & ODS_SELECTED) != 0;
bool autoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
// choose the bitmap to use depending on the button state
wxBitmap* bitmap;
if ( isSelected && m_buttonBitmapSelected.Ok() )
bitmap = &m_buttonBitmapSelected;
else if ((state & ODS_FOCUS) && m_buttonBitmapFocus.Ok())
bitmap = &m_buttonBitmapFocus;
else if ((state & ODS_DISABLED) && m_buttonBitmapDisabled.Ok())
bitmap = &m_buttonBitmapDisabled;
else
bitmap = &m_buttonBitmap;
if ( !bitmap->Ok() )
return FALSE;
// centre the bitmap in the control area
int x = lpDIS->rcItem.left;
int y = lpDIS->rcItem.top;
int width = lpDIS->rcItem.right - x;
int height = lpDIS->rcItem.bottom - y;
int wBmp = bitmap->GetWidth();
int hBmp = bitmap->GetHeight();
int x1,y1;
if(m_windowStyle & wxBU_LEFT)
x1 = x + (FOCUS_MARGIN+1);
else if(m_windowStyle & wxBU_RIGHT)
x1 = x + (width - wBmp) - (FOCUS_MARGIN+1);
else
x1 = x + (width - wBmp) / 2;
if(m_windowStyle & wxBU_TOP)
y1 = y + (FOCUS_MARGIN+1);
else if(m_windowStyle & wxBU_BOTTOM)
y1 = y + (height - hBmp) - (FOCUS_MARGIN+1);
else
y1 = y + (height - hBmp) / 2;
if ( isSelected && autoDraw )
{
x1++;
y1++;
}
// draw the face, if auto-drawing
if ( autoDraw )
{
DrawFace((WXHDC) hDC,
lpDIS->rcItem.left, lpDIS->rcItem.top,
lpDIS->rcItem.right, lpDIS->rcItem.bottom,
isSelected);
}
// draw the bitmap
wxDC dst;
dst.SetHDC((WXHDC) hDC, FALSE);
dst.DrawBitmap(*bitmap, x1, y1, TRUE);
// draw focus / disabled state, if auto-drawing
if ( (state & ODS_DISABLED) && autoDraw )
{
DrawButtonDisable((WXHDC) hDC,
lpDIS->rcItem.left, lpDIS->rcItem.top,
lpDIS->rcItem.right, lpDIS->rcItem.bottom,
TRUE);
}
else if ( (state & ODS_FOCUS) && autoDraw )
{
DrawButtonFocus((WXHDC) hDC,
lpDIS->rcItem.left,
lpDIS->rcItem.top,
lpDIS->rcItem.right,
lpDIS->rcItem.bottom,
isSelected);
}
return TRUE;
}
// GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF
#if defined(__WIN95__)
void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel )
{
HPEN oldp;
HPEN penHiLight;
HPEN penLight;
HPEN penShadow;
HPEN penDkShadow;
HBRUSH brushFace;
// create needed pens and brush
penHiLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT));
penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));
penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW));
brushFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
// draw the rectangle
RECT rect;
rect.left = left;
rect.right = right;
rect.top = top;
rect.bottom = bottom;
FillRect((HDC) dc, &rect, brushFace);
// draw the border
oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight);
MoveToEx((HDC) dc, left, top, NULL); LineTo((HDC) dc, right-1, top);
MoveToEx((HDC) dc, left, top+1, NULL); LineTo((HDC) dc, left, bottom-1);
SelectObject( (HDC) dc, sel? penShadow : penLight);
MoveToEx((HDC) dc, left+1, top+1, NULL); LineTo((HDC) dc, right-2, top+1);
MoveToEx((HDC) dc, left+1, top+2, NULL); LineTo((HDC) dc, left+1, bottom-2);
SelectObject( (HDC) dc, sel? penLight : penShadow);
MoveToEx((HDC) dc, left+1, bottom-2, NULL); LineTo((HDC) dc, right-1, bottom-2);
MoveToEx((HDC) dc, right-2, bottom-3, NULL); LineTo((HDC) dc, right-2, top);
SelectObject( (HDC) dc, sel? penHiLight : penDkShadow);
MoveToEx((HDC) dc, left, bottom-1, NULL); LineTo((HDC) dc, right+2, bottom-1);
MoveToEx((HDC) dc, right-1, bottom-2, NULL); LineTo((HDC) dc, right-1, top-1);
// delete allocated resources
SelectObject((HDC) dc,oldp);
DeleteObject(penHiLight);
DeleteObject(penLight);
DeleteObject(penShadow);
DeleteObject(penDkShadow);
DeleteObject(brushFace);
}
#else
void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel )
{
HPEN oldp;
HPEN penBorder;
HPEN penLight;
HPEN penShadow;
HBRUSH brushFace;
// create needed pens and brush
penBorder = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME));
penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW));
penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT));
brushFace = CreateSolidBrush(COLOR_BTNFACE);
// draw the rectangle
RECT rect;
rect.left = left;
rect.right = right;
rect.top = top;
rect.bottom = bottom;
FillRect((HDC) dc, &rect, brushFace);
// draw the border
oldp = (HPEN) SelectObject( (HDC) dc, penBorder);
MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top);
MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1);
MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1);
MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1);
SelectObject( (HDC) dc, penShadow);
if (sel)
{
MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL);
LineTo((HDC) dc, left+1 ,top+1);
LineTo((HDC) dc, right-2 ,top+1);
}
else
{
MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL);
LineTo((HDC) dc, right-2 ,bottom-2);
LineTo((HDC) dc, right-2 ,top);
MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL);
LineTo((HDC) dc, right-3 ,bottom-3);
LineTo((HDC) dc, right-3 ,top+1);
SelectObject( (HDC) dc, penLight);
MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL);
LineTo((HDC) dc, left+1 ,top+1);
LineTo((HDC) dc, right-2 ,top+1);
}
// delete allocated resources
SelectObject((HDC) dc,oldp);
DeleteObject(penBorder);
DeleteObject(penLight);
DeleteObject(penShadow);
DeleteObject(brushFace);
}
#endif // defined(__WIN95__)
void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel )
{
RECT rect;
rect.left = left;
rect.top = top;
rect.right = right;
rect.bottom = bottom;
InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN );
// GRG: the focus rectangle should not move when the button is pushed!
/*
if ( sel )
OffsetRect( &rect, 1, 1 );
*/
DrawFocusRect( (HDC) dc, &rect );
}
extern HBRUSH wxDisableButtonBrush;
void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg )
{
HBRUSH old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush );
// VZ: what's this?? there is no such ROP AFAIK
#ifdef __SALFORDC__
DWORD dwRop = 0xFA0089L;
#else
DWORD dwRop = 0xFA0089UL;
#endif
if ( with_marg )
{
left += m_marginX;
top += m_marginY;
right -= 2 * m_marginX;
bottom -= 2 * m_marginY;
}
::PatBlt( (HDC) dc, left, top, right, bottom, dwRop);
::SelectObject( (HDC) dc, old );
}
void wxBitmapButton::SetDefault()
{
wxButton::SetDefault();
}
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