1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxNewBitmapButton enhanced bitmap button class.
4 // Author: Aleksandras Gluchovas
8 // Copyright: (c) Aleksandras Gluchovas
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
13 #pragma implementation "newbmpbtn.h"
16 // For compilers that support precompilation, includes "wx/wx.h".
17 #include "wx/wxprec.h"
27 #include "wx/fl/newbmpbtn.h"
28 #include "wx/utils.h" // import wxMin,wxMax macros
31 #include "wx/msw/private.h"
34 ///////////// button-label rendering helpers //////////////////
36 static int* create_array( int width
, int height
, int fill
= 0 )
38 int* array
= new int[width
*height
];
40 int len
= width
*height
;
42 for ( i
= 0; i
!= len
; ++i
)
48 #define GET_ELEM(array,x,y) (array[width*(y)+(x)])
50 #define MIN_COLOR_DIFF 10
52 #define IS_IN_ARRAY(x,y) ( (x) < width && (y) < height && (x) >= 0 && (y) >= 0 )
54 #define GET_RED(col) col & 0xFF
55 #define GET_GREEN(col) (col >> 8) & 0xFF
56 #define GET_BLUE(col) (col >> 16) & 0xFF
58 #define MAKE_INT_COLOR(red,green,blue) ( (red) | \
59 ( ( (green) << 8 ) & 0xFF00 ) | \
60 ( ( (blue) << 16) & 0xFF0000) \
63 #define IS_GREATER(col1,col2) ( ( (GET_RED(col1) ) > (GET_RED(col2) ) + MIN_COLOR_DIFF ) && \
64 ( (GET_GREEN(col1)) > (GET_GREEN(col2)) + MIN_COLOR_DIFF ) && \
65 ( (GET_BLUE(col1) ) > (GET_BLUE(col2) ) + MIN_COLOR_DIFF ) \
72 // helper function, used internally
74 static void gray_out_pixmap( int* src
, int* dest
, int width
, int height
)
76 // assuming the pixels along the edges are of the background color
83 int cur
= GET_ELEM(src
,x
,y
);
86 if ( IS_IN_ARRAY(x
-1,y
-1) )
88 int upperElem
= GET_ELEM(src
,x
-1,y
-1);
90 // if the upper element is lighter than current
91 if ( IS_GREATER(upperElem
,cur
) )
93 GET_ELEM(dest
,x
,y
) = MASK_DARK
;
96 // if the current element is ligher than the upper
97 if ( IS_GREATER(cur
,upperElem
) )
99 GET_ELEM(dest
,x
,y
) = MASK_LIGHT
;
103 if ( GET_ELEM(dest
,x
-1,y
-1) == MASK_LIGHT
)
105 GET_ELEM(dest
,x
,y
) = MASK_BG
;
107 if ( GET_ELEM(dest
,x
-1,y
-1 ) == MASK_DARK
)
109 GET_ELEM(dest
,x
,y
) = MASK_DARK
;
111 GET_ELEM(dest
,x
,y
) = MASK_BG
;
117 if ( IS_IN_ARRAY(x
+1,y
-1) )
124 while ( IS_IN_ARRAY(x
-1,y
+1) )
130 if ( IS_IN_ARRAY(x
,y
+1) )
137 if ( IS_IN_ARRAY(x
+1,y
) )
149 // algorithm for making the image look "grayed" (e.g. disabled button)
150 // NOTE:: used GetPixel(), which is Windows-Only!
152 void gray_out_image_on_dc( wxDC
& dc
, int width
, int height
)
154 // assuming the pixels along the edges are of the background color
156 dc
.GetPixel( 0, 0, &bgCol
);
158 wxPen
darkPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW
),1, wxSOLID
);
159 wxPen
lightPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT
),1, wxSOLID
);
160 wxPen
bgPen ( bgCol
, 1, wxSOLID
);
162 int* src
= create_array( width
, height
, MASK_BG
);
163 int* dest
= create_array( width
, height
, MASK_BG
);
166 for ( y
= 0; y
!= height
; ++y
)
168 for ( x
= 0; x
!= width
; ++x
)
171 dc
.GetPixel( x
,y
, &col
);
173 GET_ELEM(src
,x
,y
) = MAKE_INT_COLOR( col
.Red(), col
.Green(), col
.Blue() );
176 gray_out_pixmap( src
, dest
, width
, height
);
178 for ( y
= 0; y
!= height
; ++y
)
180 for ( x
= 0; x
!= width
; ++x
)
182 int mask
= GET_ELEM(dest
,x
,y
);
186 case MASK_BG
: { dc
.SetPen( bgPen
);
187 dc
.DrawPoint( x
,y
); break;
189 case MASK_DARK
: { dc
.SetPen( darkPen
);
190 dc
.DrawPoint( x
,y
); break;
192 case MASK_LIGHT
: { dc
.SetPen( lightPen
);
193 dc
.DrawPoint( x
,y
); break;
203 ///////////////////////////////
205 /***** Implementation for class wxNewBitmapButton *****/
207 IMPLEMENT_DYNAMIC_CLASS(wxNewBitmapButton
, wxPanel
)
209 BEGIN_EVENT_TABLE( wxNewBitmapButton
, wxPanel
)
211 EVT_LEFT_DOWN ( wxNewBitmapButton::OnLButtonDown
)
212 EVT_LEFT_UP ( wxNewBitmapButton::OnLButtonUp
)
213 // EVT_LEFT_DCLICK ( wxNewBitmapButton::OnLButtonDClick )
214 EVT_LEFT_DCLICK ( wxNewBitmapButton::OnLButtonDown
)
215 EVT_ENTER_WINDOW( wxNewBitmapButton::OnMouseEnter
)
216 EVT_LEAVE_WINDOW( wxNewBitmapButton::OnMouseLeave
)
218 EVT_SIZE ( wxNewBitmapButton::OnSize
)
219 EVT_PAINT( wxNewBitmapButton::OnPaint
)
221 //EVT_KILL_FOCUS( wxNewBitmapButton::OnKillFocus )
223 EVT_ERASE_BACKGROUND( wxNewBitmapButton::OnEraseBackground
)
225 EVT_IDLE(wxNewBitmapButton::OnIdle
)
229 wxNewBitmapButton::wxNewBitmapButton( const wxBitmap
& labelBitmap
,
230 const wxString
& labelText
,
238 : mTextToLabelGap ( textToLabelGap
),
241 mTextAlignment( alignText
),
242 mIsSticky( isSticky
),
244 mLabelText( labelText
),
245 mImageFileType( wxBITMAP_TYPE_INVALID
),
246 mDepressedBmp( labelBitmap
),
248 mpDepressedImg( NULL
),
249 mpPressedImg ( NULL
),
250 mpDisabledImg ( NULL
),
251 mpFocusedImg ( NULL
),
254 mDragStarted ( false ),
255 mIsPressed ( false ),
256 mIsInFocus ( false ),
257 mIsToggled ( false ),
258 mHasFocusedBmp( false ),
259 mFiredEventType( firedEventType
),
261 mBlackPen( wxColour( 0, 0, 0), 1, wxSOLID
),
262 mDarkPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW
), 1, wxSOLID
),
263 mGrayPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE
), 1, wxSOLID
),
264 mLightPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT
), 1, wxSOLID
),
272 wxNewBitmapButton::wxNewBitmapButton( const wxString
& bitmapFileName
,
273 const wxBitmapType bitmapFileType
,
274 const wxString
& labelText
,
277 int WXUNUSED(firedEventType
),
278 int WXUNUSED(marginX
),
279 int WXUNUSED(marginY
),
280 int WXUNUSED(textToLabelGap
),
281 bool WXUNUSED(isSticky
))
283 : mTextToLabelGap ( 2 ),
286 mTextAlignment( alignText
),
289 mLabelText( labelText
),
290 mImageFileName( bitmapFileName
),
291 mImageFileType( bitmapFileType
),
293 mpDepressedImg( NULL
),
294 mpPressedImg ( NULL
),
295 mpDisabledImg ( NULL
),
296 mpFocusedImg ( NULL
),
298 mDragStarted ( false ),
299 mIsPressed ( false ),
300 mIsInFocus ( false ),
301 mIsToggled ( false ),
302 mHasFocusedBmp( false ),
303 mFiredEventType( wxEVT_COMMAND_MENU_SELECTED
),
305 mBlackPen( wxColour( 0, 0, 0), 1, wxSOLID
),
306 mDarkPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW
), 1, wxSOLID
),
307 mGrayPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE
), 1, wxSOLID
),
308 mLightPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT
), 1, wxSOLID
),
316 wxNewBitmapButton::~wxNewBitmapButton(void)
321 void wxNewBitmapButton::DrawShade( int outerLevel
,
323 wxPen
& upperLeftSidePen
,
324 wxPen
& lowerRightSidePen
)
326 wxBitmap
* pBmp
= GetStateLabel();
328 int x
= mMarginX
- (outerLevel
+ 2);
329 int y
= mMarginY
- (outerLevel
+ 2);
331 int height
= pBmp
->GetHeight() + (outerLevel
+ 2)*2 - 1;
332 int width
= pBmp
->GetWidth() + (outerLevel
+ 2)*2 - 1;
334 dc
.SetPen( upperLeftSidePen
);
335 dc
.DrawLine( x
,y
, x
+ width
, y
);
336 dc
.DrawLine( x
,y
, x
, y
+ height
);
338 dc
.SetPen( lowerRightSidePen
);
339 dc
.DrawLine( x
+ width
, y
, x
+ width
, y
+ height
+ 1 );
340 dc
.DrawLine( x
, y
+ height
, x
+ width
, y
+ height
);
343 void wxNewBitmapButton::DestroyLabels()
345 if ( mpDepressedImg
) delete mpDepressedImg
;
346 if ( mpPressedImg
) delete mpPressedImg
;
347 if ( mpDisabledImg
) delete mpDisabledImg
;
348 if ( mpFocusedImg
) delete mpFocusedImg
;
350 mpDepressedImg
= NULL
;
352 mpDisabledImg
= NULL
;
356 wxBitmap
* wxNewBitmapButton::GetStateLabel()
368 if ( mHasFocusedBmp
)
372 return mpDepressedImg
;
375 return mpDepressedImg
;
379 return mpDisabledImg
;
382 static const unsigned char _gDisableImage
[] = { 0x55,0xAA,0x55,0xAA,
387 void wxNewBitmapButton::RenderLabelImage( wxBitmap
*& destBmp
, wxBitmap
* srcBmp
,
388 bool isEnabled
, bool isPressed
)
390 if ( destBmp
!= 0 ) return;
392 // render labels on-demand
395 srcDc
.SelectObject( *srcBmp
);
397 bool hasText
= ( mTextAlignment
!= NB_NO_TEXT
) &&
398 ( mLabelText
.length() != 0 );
400 bool hasImage
= (mTextAlignment
!= NB_NO_IMAGE
);
408 long txtWidth
, txtHeight
;
410 srcDc
.SetFont( wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT
) );
411 srcDc
.GetTextExtent( mLabelText
, &txtWidth
, &txtHeight
);
413 if ( mTextAlignment
== NB_ALIGN_TEXT_RIGHT
)
415 destDim
.x
= srcBmp
->GetWidth() + 2*mTextToLabelGap
+ txtWidth
;
418 wxMax( srcBmp
->GetHeight(), txtHeight
);
420 txtPos
.x
= srcBmp
->GetWidth() + mTextToLabelGap
;
421 txtPos
.y
= (destDim
.y
- txtHeight
)/2;
423 imgPos
.y
= (destDim
.y
- srcBmp
->GetHeight())/2;
426 if ( mTextAlignment
== NB_ALIGN_TEXT_BOTTOM
)
429 wxMax( srcBmp
->GetWidth(), txtWidth
);
431 destDim
.y
= srcBmp
->GetHeight() + mTextToLabelGap
+ txtHeight
;
433 txtPos
.x
= (destDim
.x
- txtWidth
)/2;
434 txtPos
.y
= srcBmp
->GetHeight() + mTextToLabelGap
;
435 imgPos
.x
= (destDim
.x
- srcBmp
->GetWidth())/2;
440 wxFAIL_MSG(wxT("Unsupported FL alignment type detected in wxNewBitmapButton::RenderLabelImage()"));
447 destDim
.x
= srcBmp
->GetWidth();
448 destDim
.y
= srcBmp
->GetHeight();
451 destBmp
= new wxBitmap( int(destDim
.x
), int(destDim
.y
) );
454 destDc
.SelectObject( *destBmp
);
456 wxBrush
grayBrush( wxSystemSettings::GetColour( wxSYS_COLOUR_3DFACE
), wxSOLID
);
457 wxPen
nullPen( wxColour(0,0,0), 1, wxTRANSPARENT
);
459 destDc
.SetBrush( grayBrush
);
460 destDc
.SetPen( nullPen
);
462 destDc
.DrawRectangle( 0,0, destDim
.x
+1, destDim
.y
+1 );
466 ++imgPos
.x
; ++imgPos
.y
;
467 ++txtPos
.x
; ++txtPos
.y
;
473 destDc
.Blit( imgPos
.x
, imgPos
.y
,
474 srcBmp
->GetWidth()+1,
475 srcBmp
->GetHeight()+1,
476 &srcDc
, 0,0, wxCOPY
,true );
481 wxWindow
* pTopWnd
= this;
485 wxWindow
* pParent
= pTopWnd
->GetParent();
493 destDc
.SetFont( wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT
) );
497 destDc
.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT
) );
501 destDc
.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW
) );
503 destDc
.SetTextBackground( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE
) );
505 destDc
.DrawText( mLabelText
, txtPos
.x
, txtPos
.y
);
510 #ifdef __WXMSW__ // This is currently MSW specific
511 gray_out_image_on_dc( destDc
, destDim
.x
, destDim
.y
);
513 wxBrush
checkerBrush( wxBitmap( (const char*)_gDisableImage
,8,8) );
514 checkerBrush
.SetColour( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE
) );
515 destDc
.SetBrush( checkerBrush
);
516 destDc
.DrawRectangle( imgPos
.x
, imgPos
.y
, srcBmp
->GetWidth()+1, srcBmp
->GetHeight()+1);
519 // adjust button size to fit the new dimensions of the label
520 if ( !mSizeIsSet
&& 0 )
523 SetSize( wxDefaultPosition
.x
,wxDefaultPosition
.y
,
524 destBmp
->GetWidth() + mMarginX
*2,
525 destBmp
->GetHeight() + mMarginY
*2, 0
528 destDc
.SelectObject( wxNullBitmap
);
530 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
531 // Map to system colours
532 (void) wxToolBar::MapBitmap(destBmp
->GetHBITMAP(), destBmp
->GetWidth(), destBmp
->GetHeight());
536 void wxNewBitmapButton::RenderAllLabelImages()
540 RenderLabelImage( mpDisabledImg
, &mDepressedBmp
, false );
541 RenderLabelImage( mpPressedImg
, &mDepressedBmp
, true, true );
542 RenderLabelImage( mpDepressedImg
, &mDepressedBmp
, true, false );
543 if ( mHasFocusedBmp
)
545 RenderLabelImage( mpFocusedImg
, &mFocusedBmp
, true, false );
550 void wxNewBitmapButton::RenderLabelImages()
557 RenderLabelImage( mpDisabledImg
, &mDepressedBmp
, false );
563 RenderLabelImage( mpPressedImg
, &mDepressedBmp
, true, true );
568 if ( mHasFocusedBmp
)
569 RenderLabelImage( mpFocusedImg
, &mFocusedBmp
, true, false );
571 RenderLabelImage( mpDepressedImg
, &mDepressedBmp
, true, false );
574 RenderLabelImage( mpDepressedImg
, &mDepressedBmp
, true, false );
578 bool wxNewBitmapButton::Toggle(bool enable
)
580 if ( mIsToggled
== enable
)
591 bool wxNewBitmapButton::Enable(bool enable
)
593 if ( enable
!= m_isEnabled
)
608 return wxPanel::Enable( enable
);
611 void wxNewBitmapButton::DrawDecorations( wxDC
& dc
)
615 DrawShade( 1, dc
, mGrayPen
, mGrayPen
);
618 DrawShade( 0, dc
, mDarkPen
, mLightPen
);
620 else if ( mIsInFocus
)
623 DrawShade( 0, dc
, mDarkPen
, mLightPen
);
625 DrawShade( 0, dc
, mLightPen
, mDarkPen
);
628 DrawShade( 0, dc
, mGrayPen
, mGrayPen
);
632 if ( mIsPressed
|| mIsToggled
)
634 DrawShade( 0, dc
, mDarkPen
, mGrayPen
);
635 DrawShade( 1, dc
, mBlackPen
, mLightPen
);
639 DrawShade( 0, dc
, mGrayPen
, mDarkPen
);
640 DrawShade( 1, dc
, mLightPen
, mBlackPen
);
645 void wxNewBitmapButton::SetLabel(const wxBitmap
& labelBitmap
,
646 const wxString
& labelText
)
650 mLabelText
= labelText
;
651 mDepressedBmp
= labelBitmap
;
653 //RenderLabelImages();
654 RenderAllLabelImages();
657 void wxNewBitmapButton::SetAlignments( int alignText
,
666 mTextAlignment
= alignText
;
667 mTextToLabelGap
= textToLabelGap
;
669 //RenderLabelImages();
670 RenderAllLabelImages();
675 void wxNewBitmapButton::OnLButtonDown( wxMouseEvent
& WXUNUSED(event
) )
682 void wxNewBitmapButton::OnLButtonUp( wxMouseEvent
& event
)
687 mDragStarted
= false;
691 if ( IsInWindow( event
.m_x
, event
.m_y
) )
693 // fire event, if mouse was released
694 // within the bounds of button
695 wxCommandEvent
cmd( mFiredEventType
, GetId() );
696 GetParent()->ProcessEvent( cmd
);
700 bool wxNewBitmapButton::IsInWindow( int x
, int y
)
703 GetSize( &width
, &height
);
705 return ( x
>= 0 && y
>= 0 &&
710 void wxNewBitmapButton::OnMouseEnter( wxMouseEvent
& WXUNUSED(event
) )
712 bool prevIsInFocus
= mIsInFocus
;
718 if ( prevIsInFocus
!= mIsInFocus
)
724 void wxNewBitmapButton::OnMouseLeave( wxMouseEvent
& WXUNUSED(event
) )
726 bool prevIsInFocus
= mIsInFocus
;
727 bool prevIsPressed
= mIsPressed
;
733 if ( prevIsInFocus
!= mIsInFocus
|| prevIsPressed
!= mIsPressed
)
739 void wxNewBitmapButton::OnSize( wxSizeEvent
& WXUNUSED(event
) )
744 void wxNewBitmapButton::Reshape( )
746 bool wasCreated
= mIsCreated
;
751 // in the case of loading button from stream, check if we
752 // have non-empty image-file name, load if possible
754 if ( mImageFileName
!= wxT("") )
756 mDepressedBmp
.LoadFile( mImageFileName
, mImageFileType
);
758 //wxMessageBox("Image Loaded!!!");
761 //RenderLabelImages();
762 RenderAllLabelImages();
764 wxBitmap
* pCurImg
= GetStateLabel();
766 int w
= pCurImg
->GetWidth(),
767 h
= pCurImg
->GetHeight();
769 SetSize( 0,0, w
+ mMarginX
*2, h
+ mMarginY
*2 , 0 );
773 void wxNewBitmapButton::DrawLabel( wxDC
& dc
)
775 wxBitmap
* pCurBmp
= GetStateLabel();
777 if ( pCurBmp
== NULL
)
780 OnSize( evt
); // fake it up!
782 //RenderLabelImages();
783 pCurBmp
= GetStateLabel();
787 mdc
.SelectObject( *pCurBmp
);
789 dc
.Blit( mMarginX
, mMarginY
,
791 pCurBmp
->GetHeight(),
795 mdc
.SelectObject( wxNullBitmap
);
798 void wxNewBitmapButton::OnPaint( wxPaintEvent
& WXUNUSED(event
) )
802 // first, make sure images for current state are prepared
803 //RenderLabelImages();
807 DrawDecorations( dc
);
810 void wxNewBitmapButton::OnEraseBackground( wxEraseEvent
& WXUNUSED(event
) )
815 void wxNewBitmapButton::OnKillFocus( wxFocusEvent
& WXUNUSED(event
) )
819 wxMessageBox(wxT("kill-focus for button!"));
822 // ----------------------------------------------------------------------------
824 // ----------------------------------------------------------------------------
826 void wxNewBitmapButton::OnIdle(wxIdleEvent
& event
)
833 // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
834 void wxNewBitmapButton::DoButtonUpdate()
836 wxUpdateUIEvent
event(GetId());
837 event
.SetEventObject(this);
839 if ( GetParent()->ProcessEvent(event
) )
841 if ( event
.GetSetEnabled() )
843 bool enabled
= event
.GetEnabled();
844 if ( enabled
!= IsEnabled() )
847 if ( event
.GetSetChecked() )
848 Toggle( event
.GetChecked() );