use alpha channel in Blit() as well and not only in DrawBitmap()

[wxWidgets.git] / src / motif / bmpbuttn.cpp

diff --git a/src/motif/bmpbuttn.cpp b/src/motif/bmpbuttn.cpp
index de4f6201b34f59223d4f62fd109269ee7e1bf0ea..721409d8a4c0f3c54018385818f92b567f93dbeb 100644 (file)
--- a/src/motif/bmpbuttn.cpp
+++ b/src/motif/bmpbuttn.cpp
@@ -6,118 +6,107 @@
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 #pragma implementation "bmpbuttn.h"
 #endif
 
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 #pragma implementation "bmpbuttn.h"
 #endif
 

+#ifdef __VMS
+#define XtScreen XTSCREEN
+#endif
+
+#include "wx/defs.h"
+

 #include "wx/bmpbuttn.h"
 
 #include "wx/bmpbuttn.h"
 

+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif

 #include <Xm/PushBG.h>
 #include <Xm/PushB.h>
 #include <Xm/PushBG.h>
 #include <Xm/PushB.h>

+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif

 
 #include "wx/motif/private.h"
 
 // Implemented in button.cpp
 void wxButtonCallback (Widget w, XtPointer clientData, XtPointer ptr);
 
 
 #include "wx/motif/private.h"
 
 // Implemented in button.cpp
 void wxButtonCallback (Widget w, XtPointer clientData, XtPointer ptr);
 

-Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
+// Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );

 
 

-#if !USE_SHARED_LIBRARY

 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
 IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)

-#endif

 
 wxBitmapButton::wxBitmapButton()
 {
 
 wxBitmapButton::wxBitmapButton()
 {

-    m_marginX = wxDEFAULT_BUTTON_MARGIN; m_marginY = wxDEFAULT_BUTTON_MARGIN;
+    m_marginX = m_marginY = wxDEFAULT_BUTTON_MARGIN;

     m_insensPixmap = (WXPixmap) 0;
 }
 
     m_insensPixmap = (WXPixmap) 0;
 }
 

-bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
-           const wxPoint& pos,
-           const wxSize& size, long style,
-           const wxValidator& validator,
-           const wxString& name)
+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);
-    SetValidator(validator);
-    parent->AddChild(this);
+    if( !CreateControl( parent, id, pos, size, style, validator, name ) )
+        return false;

 
 

-    m_backgroundColour = parent->GetBackgroundColour() ;
-    m_foregroundColour = parent->GetForegroundColour() ;
-    m_windowStyle = style;
-    m_marginX = 0;
-    m_marginY = 0;
+    m_bmpNormal = m_bmpNormalOriginal = bitmap;
+    m_bmpSelected = m_bmpSelectedOriginal = bitmap;

 
 

+    /*

     int x = pos.x;
     int y = pos.y;
     int width = size.x;
     int height = size.y;
     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;
+    */

 
     Widget parentWidget = (Widget) parent->GetClientWidget();
 
 
     Widget parentWidget = (Widget) parent->GetClientWidget();
 

-  /*
-   * Patch Note (important)
-   * There is no major reason to put a defaultButtonThickness here.
-   * Not requesting it give the ability to put wxButton with a spacing
-   * as small as requested. However, if some button become a DefaultButton,
-   * other buttons are no more aligned -- This is why we set
-   * defaultButtonThickness of ALL buttons belonging to the same wxPanel,
-   * in the ::SetDefaultButton method.
-   */
+    /*
+    * Patch Note (important)
+    * There is no major reason to put a defaultButtonThickness here.
+    * Not requesting it give the ability to put wxButton with a spacing
+    * as small as requested. However, if some button become a DefaultButton,
+    * other buttons are no more aligned -- This is why we set
+    * defaultButtonThickness of ALL buttons belonging to the same wxPanel,
+    * in the ::SetDefaultButton method.
+    */

     Widget buttonWidget = XtVaCreateManagedWidget ("button",
 
     Widget buttonWidget = XtVaCreateManagedWidget ("button",
 

-    // Gadget causes problems for default button operation.
+        // Gadget causes problems for default button operation.

 #if wxUSE_GADGETS
 #if wxUSE_GADGETS

-                           xmPushButtonGadgetClass, parentWidget,
+        xmPushButtonGadgetClass, parentWidget,

 #else
 #else

-                xmPushButtonWidgetClass, parentWidget,
+        xmPushButtonWidgetClass, parentWidget,

 #endif
 #endif

-//                  XmNdefaultButtonShadowThickness, 1, // See comment for wxButton::SetDefault
-                                                NULL);
+        // See comment for wxButton::SetDefault
+        // XmNdefaultButtonShadowThickness, 1, 
+        XmNrecomputeSize, False,
+        NULL);

 
     m_mainWidget = (WXWidget) buttonWidget;
 
 
     m_mainWidget = (WXWidget) buttonWidget;
 

-    if (bitmap.Ok())
-    {
-        Pixmap p1, p2;
-
-        p1 = (Pixmap) ((wxBitmap&)bitmap).GetLabelPixmap(m_mainWidget);
-        p2 = (Pixmap) ((wxBitmap&)bitmap).GetInsensPixmap(m_mainWidget);
-
-        if(p1 == p2) // <- the Get...Pixmap()-functions return the same pixmap!
-        {
-            p2 =
-                XCreateInsensitivePixmap(DisplayOfScreen(XtScreen(buttonWidget)), p1);
-            m_insensPixmap = (WXPixmap) p2;
-        }
+    ChangeFont(FALSE);

 
 

-        XtVaSetValues (buttonWidget,
-            XmNlabelPixmap, p1,
-            XmNlabelInsensitivePixmap, p2,
-            XmNarmPixmap, (Pixmap) ((wxBitmap&)bitmap).GetArmPixmap (m_mainWidget),
-            XmNlabelType, XmPIXMAP,
-            NULL);
-    }
+    ChangeBackgroundColour ();

 
 

-    XtAddCallback (buttonWidget, XmNactivateCallback, (XtCallbackProc) wxButtonCallback,
-            (XtPointer) this);
+    DoSetBitmap();

 
 

-    SetCanAddEventHandler(TRUE);
-    AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
+    XtAddCallback (buttonWidget,
+                   XmNactivateCallback, (XtCallbackProc) wxButtonCallback,
+                   (XtPointer) this);

 
 

-    SetFont(* parent->GetFont());
-
-    ChangeColour (m_mainWidget);
+    wxSize best = m_bmpNormal.Ok() ? GetBestSize() : wxSize(30, 30);
+    if( size.x != -1 ) best.x = size.x;
+    if( size.y != -1 ) best.y = size.y;

 
 

+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+                  pos.x, pos.y, best.x, best.y);

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -127,38 +116,135 @@ wxBitmapButton::~wxBitmapButton()
     SetBitmapLabel(wxNullBitmap);
 
     if (m_insensPixmap)
     SetBitmapLabel(wxNullBitmap);
 
     if (m_insensPixmap)

-        XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) GetXDisplay()), (Pixmap) m_insensPixmap);
+        XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) GetXDisplay()),
+                         (Pixmap) m_insensPixmap);

 }
 
 void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
 {
 }
 
 void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
 {

-    m_buttonBitmap = bitmap;
+    m_bmpNormalOriginal = bitmap;
+    m_bmpNormal = bitmap;
+
+    DoSetBitmap();
+}
+
+void wxBitmapButton::SetBitmapSelected(const wxBitmap& sel)
+{
+    m_bmpSelected = sel;
+    m_bmpSelectedOriginal = sel;
+
+    DoSetBitmap();
+};

 
 

-    if (bitmap.Ok())
+void wxBitmapButton::SetBitmapFocus(const wxBitmap& focus)
+{
+    m_bmpFocus = focus;
+    // Not used in Motif
+};
+
+void wxBitmapButton::SetBitmapDisabled(const wxBitmap& disabled)
+{
+    m_bmpDisabled = disabled;
+    m_bmpDisabledOriginal = disabled;
+
+    DoSetBitmap();
+};
+
+void wxBitmapButton::DoSetBitmap()
+{
+    if (m_bmpNormalOriginal.Ok())

     {
     {

-        Pixmap labelPixmap, insensPixmap, armPixmap;
+        Pixmap pixmap = 0;
+        Pixmap insensPixmap = 0;
+        Pixmap armPixmap = 0;

 
 

-        labelPixmap = (Pixmap) ((wxBitmap&)bitmap).GetLabelPixmap(m_mainWidget);
+        // Must re-make the bitmap to have its transparent areas drawn
+        // in the current widget background colour.
+        if (m_bmpNormalOriginal.GetMask())
+        {
+            int backgroundPixel;
+            XtVaGetValues((Widget) m_mainWidget,
+                          XmNbackground, &backgroundPixel,
+                          NULL);
+
+            wxColour col;
+            col.SetPixel(backgroundPixel);

 
 

-        if (m_buttonBitmapSelected.Ok())
-            armPixmap = (Pixmap) m_buttonBitmapSelected.GetLabelPixmap(m_mainWidget);
+            wxBitmap newBitmap =
+                wxCreateMaskedBitmap(m_bmpNormalOriginal, col);
+            m_bmpNormal = newBitmap;
+            m_bitmapCache.SetBitmap( m_bmpNormal );
+
+            pixmap = (Pixmap) m_bmpNormal.GetDrawable();
+        }

         else
         else

-            armPixmap = (Pixmap) ((wxBitmap&)bitmap).GetArmPixmap(m_mainWidget);
+        {
+            m_bitmapCache.SetBitmap( m_bmpNormal );
+            pixmap = (Pixmap) m_bitmapCache.GetLabelPixmap(m_mainWidget);
+        }

 
 

-        if (m_buttonBitmapDisabled.Ok())
-            insensPixmap = (Pixmap) m_buttonBitmapDisabled.GetLabelPixmap(m_mainWidget);
+        if (m_bmpDisabledOriginal.Ok())
+        {
+            if (m_bmpDisabledOriginal.GetMask())
+            {
+                int backgroundPixel;
+                XtVaGetValues((Widget) m_mainWidget,
+                              XmNbackground, &backgroundPixel,
+                              NULL);
+
+                wxColour col;
+                col.SetPixel(backgroundPixel);
+
+                wxBitmap newBitmap =
+                    wxCreateMaskedBitmap(m_bmpDisabledOriginal, col);
+                m_bmpDisabled = newBitmap;
+
+                insensPixmap = (Pixmap) m_bmpDisabled.GetDrawable();
+            }
+            else
+                insensPixmap = (Pixmap) m_bitmapCache.GetInsensPixmap(m_mainWidget);
+        }
+        else
+            insensPixmap = (Pixmap) m_bitmapCache.GetInsensPixmap(m_mainWidget);
+
+        // Now make the bitmap representing the armed state
+        if (m_bmpSelectedOriginal.Ok())
+        {
+            if (m_bmpSelectedOriginal.GetMask())
+            {
+                int backgroundPixel;
+                XtVaGetValues((Widget) m_mainWidget,
+                              XmNarmColor, &backgroundPixel,
+                              NULL);
+
+                wxColour col;
+                col.SetPixel(backgroundPixel);
+
+                wxBitmap newBitmap =
+                    wxCreateMaskedBitmap(m_bmpSelectedOriginal, col);
+                m_bmpSelected = newBitmap;
+
+                armPixmap = (Pixmap) m_bmpSelected.GetDrawable();
+            }
+            else
+                armPixmap = (Pixmap) m_bitmapCache.GetArmPixmap(m_mainWidget);
+        }

         else
         else

-            insensPixmap = (Pixmap) ((wxBitmap&)bitmap).GetInsensPixmap(m_mainWidget);
+            armPixmap = (Pixmap) m_bitmapCache.GetArmPixmap(m_mainWidget);

 
 

-        if (!insensPixmap || (insensPixmap == labelPixmap)) // <- the Get...Pixmap()-functions return the same pixmap!
+#if 0
+        // <- the Get...Pixmap()-functions return the same pixmap!
+        if (insensPixmap == pixmap) 

         {
         {

-            insensPixmap = XCreateInsensitivePixmap(DisplayOfScreen(XtScreen((Widget) m_mainWidget)), labelPixmap);
+            insensPixmap =
+                XCreateInsensitivePixmap(DisplayOfScreen(XtScreen((Widget) m_mainWidget)), pixmap);

             m_insensPixmap = (WXPixmap) insensPixmap;
         }
             m_insensPixmap = (WXPixmap) insensPixmap;
         }

+#endif

 
         XtVaSetValues ((Widget) m_mainWidget,
 
         XtVaSetValues ((Widget) m_mainWidget,

-            XmNlabelPixmap, labelPixmap,
-           XmNlabelInsensitivePixmap, insensPixmap,
+            XmNlabelPixmap, pixmap,
+            XmNlabelInsensitivePixmap, insensPixmap,

             XmNarmPixmap, armPixmap,
             XmNlabelType, XmPIXMAP,
             NULL);
             XmNarmPixmap, armPixmap,
             XmNlabelType, XmPIXMAP,
             NULL);


@@ -169,27 +255,32 @@ void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
         // since it is no longer valid.
         XtVaSetValues ((Widget) m_mainWidget,
             XmNlabelType, XmSTRING,
         // since it is no longer valid.
         XtVaSetValues ((Widget) m_mainWidget,
             XmNlabelType, XmSTRING,

-            XmNlabelPixmap, NULL, // TODO: Does this work?
-           XmNlabelInsensitivePixmap, NULL,
-            XmNarmPixmap, NULL,
+            XmNlabelPixmap, XmUNSPECIFIED_PIXMAP,
+            XmNlabelInsensitivePixmap, XmUNSPECIFIED_PIXMAP,
+            XmNarmPixmap, XmUNSPECIFIED_PIXMAP,

             NULL);
     }
 }
 
             NULL);
     }
 }
 

-void wxBitmapButton::SetBitmapSelected(const wxBitmap& sel)
+void wxBitmapButton::ChangeBackgroundColour()

 {
 {

-    m_buttonBitmapSelected = sel;
-};
+    wxDoChangeBackgroundColour(m_mainWidget, m_backgroundColour, TRUE);

 
 

-void wxBitmapButton::SetBitmapFocus(const wxBitmap& focus)
-{
-    m_buttonBitmapFocus = focus;
-    // Not used in Motif
-};
+    // Must reset the bitmaps since the colours have changed.
+    DoSetBitmap();
+}

 
 

-void wxBitmapButton::SetBitmapDisabled(const wxBitmap& disabled)
+wxSize wxBitmapButton::DoGetBestSize() const

 {
 {

-    m_buttonBitmapDisabled = disabled;
-};
+    wxSize ret( 30,30 );

 
 

+    if (m_bmpNormal.Ok())
+    {
+        int border = (GetWindowStyle() & wxNO_BORDER) ? 4 : 10;
+        ret.x = m_bmpNormal.GetWidth()+border;
+        ret.y = m_bmpNormal.GetHeight()+border;
+    }
+
+    return ret;
+}