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wxWidgets/src/msw/bmpbuttn.cpp
Robin Dunn 9f88452895 * Implemented BestSize cache 
* Added calls to InvalidateBestSize where things affecting BestSize
  are modified.  There are probably several other places where this
  still needs to be done...

* Added wxWindowBase::GetBestFittingSize that will merge the BestSize
  into the MinSize, (if any) and return the result.

* SetBestFittingSize will now only set the MinSize to the value that
  was passed to it, without merging in the BestSize


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28010 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-06-24 20:09:45 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: src/msw/bmpbuttn.cpp
// Purpose: wxBitmapButton
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "bmpbuttn.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_BMPBUTTON
#ifndef WX_PRECOMP
#include "wx/bmpbuttn.h"
#include "wx/log.h"
#include "wx/dcmemory.h"
#endif
#include "wx/msw/private.h"
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
#if wxUSE_EXTENDED_RTTI
WX_DEFINE_FLAGS( wxBitmapButtonStyle )
wxBEGIN_FLAGS( wxBitmapButtonStyle )
// new style border flags, we put them first to
// use them for streaming out
wxFLAGS_MEMBER(wxBORDER_SIMPLE)
wxFLAGS_MEMBER(wxBORDER_SUNKEN)
wxFLAGS_MEMBER(wxBORDER_DOUBLE)
wxFLAGS_MEMBER(wxBORDER_RAISED)
wxFLAGS_MEMBER(wxBORDER_STATIC)
wxFLAGS_MEMBER(wxBORDER_NONE)
// old style border flags
wxFLAGS_MEMBER(wxSIMPLE_BORDER)
wxFLAGS_MEMBER(wxSUNKEN_BORDER)
wxFLAGS_MEMBER(wxDOUBLE_BORDER)
wxFLAGS_MEMBER(wxRAISED_BORDER)
wxFLAGS_MEMBER(wxSTATIC_BORDER)
wxFLAGS_MEMBER(wxBORDER)
// standard window styles
wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
wxFLAGS_MEMBER(wxCLIP_CHILDREN)
wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
wxFLAGS_MEMBER(wxWANTS_CHARS)
wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
wxFLAGS_MEMBER(wxVSCROLL)
wxFLAGS_MEMBER(wxHSCROLL)
wxFLAGS_MEMBER(wxBU_AUTODRAW)
wxFLAGS_MEMBER(wxBU_LEFT)
wxFLAGS_MEMBER(wxBU_RIGHT)
wxFLAGS_MEMBER(wxBU_TOP)
wxFLAGS_MEMBER(wxBU_BOTTOM)
wxEND_FLAGS( wxBitmapButtonStyle )
IMPLEMENT_DYNAMIC_CLASS_XTI(wxBitmapButton, wxButton,"wx/bmpbuttn.h")
wxBEGIN_PROPERTIES_TABLE(wxBitmapButton)
wxPROPERTY_FLAGS( WindowStyle , wxBitmapButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
wxEND_PROPERTIES_TABLE()
wxBEGIN_HANDLERS_TABLE(wxBitmapButton)
wxEND_HANDLERS_TABLE()
wxCONSTRUCTOR_5( wxBitmapButton , wxWindow* , Parent , wxWindowID , Id , wxBitmap , Bitmap , wxPoint , Position , wxSize , Size )
#else
IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
#endif
/*
TODO PROPERTIES :
long "style" , wxBU_AUTODRAW
bool "default" , 0
bitmap "selected" ,
bitmap "focus" ,
bitmap "disabled" ,
*/
#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& wxVALIDATOR_PARAM(validator),
const wxString& name)
{
m_bmpNormal = 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;
if ( style & wxBU_AUTODRAW )
{
m_marginX = wxDEFAULT_BUTTON_MARGIN;
m_marginY = wxDEFAULT_BUTTON_MARGIN;
}
if (id == -1)
m_windowId = NewControlId();
else
m_windowId = id;
long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
if ( m_windowStyle & wxCLIP_SIBLINGS )
msStyle |= WS_CLIPSIBLINGS;
#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"),
wxEmptyString,
msStyle,
0, 0, 0, 0,
GetWinHwnd(parent),
(HMENU)m_windowId,
wxGetInstance(),
NULL
);
// Subclass again for purposes of dialog editing mode
SubclassWin(m_hWnd);
SetPosition(pos);
SetBestSize(size);
return true;
}
// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
#define FOCUS_MARGIN 3
bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
#ifndef __WXWINCE__
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_bmpSelected.Ok() )
bitmap = &m_bmpSelected;
else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
bitmap = &m_bmpFocus;
else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
bitmap = &m_bmpDisabled;
else
bitmap = &m_bmpNormal;
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));
// Taking the background colour fits in better with
// Windows XP themes.
brushFace = CreateSolidBrush(m_backgroundColour.m_pixel);
// 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);
wxDrawLine((HDC) dc, left, top, right-1, top);
wxDrawLine((HDC) dc, left, top+1, left, bottom-1);
SelectObject( (HDC) dc, sel? penShadow : penLight);
wxDrawLine((HDC) dc, left+1, top+1, right-2, top+1);
wxDrawLine((HDC) dc, left+1, top+2, left+1, bottom-2);
SelectObject( (HDC) dc, sel? penLight : penShadow);
wxDrawLine((HDC) dc, left+1, bottom-2, right-1, bottom-2);
wxDrawLine((HDC) dc, right-2, bottom-3, right-2, top);
SelectObject( (HDC) dc, sel? penHiLight : penDkShadow);
wxDrawLine((HDC) dc, left, bottom-1, right+2, bottom-1);
wxDrawLine((HDC) dc, right-1, bottom-2, 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 WXUNUSED(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 );
// ROP for "dest |= pattern" operation -- as it doesn't have a standard
// name, give it our own
static const DWORD PATTERNPAINT = 0xFA0089UL;
if ( with_marg )
{
left += m_marginX;
top += m_marginY;
right -= 2 * m_marginX;
bottom -= 2 * m_marginY;
}
::PatBlt( (HDC) dc, left, top, right, bottom, PATTERNPAINT);
::SelectObject( (HDC) dc, old );
}
void wxBitmapButton::SetDefault()
{
wxButton::SetDefault();
}
wxSize wxBitmapButton::DoGetBestSize() const
{
wxSize best;
if (m_bmpNormal.Ok())
{
best.x = m_bmpNormal.GetWidth() + 2*m_marginX;
best.y = m_bmpNormal.GetHeight() + 2*m_marginY;
}
// all buttons have at least the standard size unless the user explicitly
// wants them to be of smaller size and used wxBU_EXACTFIT style when
// creating the button
if ( !HasFlag(wxBU_EXACTFIT) )
{
wxSize sz = GetDefaultSize();
if (best.x > sz.x)
sz.x = best.x;
if (best.y > sz.y)
sz.y = best.y;
}
return best;
}
#endif // wxUSE_BMPBUTTON
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