]> git.saurik.com Git - wxWidgets.git/blobdiff - src/motif/bmpbuttn.cpp
Fix crash in wxDC::GetMultiLineTextExtent() after last commit.
[wxWidgets.git] / src / motif / bmpbuttn.cpp
index 74a9f6f93e86aaeff27e38ac19431e042db441a2..1246d1de9d67848f682dd43ce631545593095ec2 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
-// Name:        bmpbuttn.cpp
+// Name:        src/motif/bmpbuttn.cpp
 // Purpose:     wxBitmapButton
 // Author:      Julian Smart
 // Modified by:
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "bmpbuttn.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/bmpbuttn.h"
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #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);
 
-Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
-
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
-#endif
+// Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
 
 wxBitmapButton::wxBitmapButton()
 {
-    m_marginX = wxDEFAULT_BUTTON_MARGIN; m_marginY = wxDEFAULT_BUTTON_MARGIN;
+    m_marginX = m_marginY = wxDEFAULT_BUTTON_MARGIN;
     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);
-
-    m_backgroundColour = parent->GetBackgroundColour() ;
-    m_foregroundColour = parent->GetForegroundColour() ;
-    m_windowStyle = style;
-    m_marginX = 0;
-    m_marginY = 0;
-
-    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( !CreateControl( parent, id, pos, size, style, validator, name ) )
+        return false;
+    PreCreation();
+
+    m_bitmaps[State_Normal] =
+    m_bitmapsOriginal[State_Normal] = bitmap;
+    m_bitmaps[State_Pressed] =
+    m_bitmapsOriginal[State_Pressed] = bitmap;
 
     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",
 
-    // Gadget causes problems for default button operation.
+        // Gadget causes problems for default button operation.
 #if wxUSE_GADGETS
-                           xmPushButtonGadgetClass, parentWidget,
+        xmPushButtonGadgetClass, parentWidget,
 #else
-                xmPushButtonWidgetClass, parentWidget,
+        xmPushButtonWidgetClass, parentWidget,
 #endif
-//                  XmNdefaultButtonShadowThickness, 1, // See comment for wxButton::SetDefault
-                                                NULL);
+        // See comment for wxButton::SetDefault
+        // XmNdefaultButtonShadowThickness, 1,
+        XmNrecomputeSize, False,
+        NULL);
 
     m_mainWidget = (WXWidget) buttonWidget;
 
-    if (bitmap.Ok())
-    {
-        Pixmap p1, p2;
+    XtAddCallback (buttonWidget,
+                   XmNactivateCallback, (XtCallbackProc) wxButtonCallback,
+                   (XtPointer) this);
 
-        p1 = (Pixmap) ((wxBitmap&)bitmap).GetLabelPixmap(m_mainWidget);
-        p2 = (Pixmap) ((wxBitmap&)bitmap).GetInsensPixmap(m_mainWidget);
+    wxSize best = GetBitmapLabel().IsOk() ? GetBestSize() : wxSize(30, 30);
+    if( size.x != -1 ) best.x = size.x;
+    if( size.y != -1 ) best.y = size.y;
 
-        if(p1 == p2) // <- the Get...Pixmap()-functions return the same pixmap!
-        {
-            p2 =
-                XCreateInsensitivePixmap(DisplayOfScreen(XtScreen(buttonWidget)), p1);
-            m_insensPixmap = (WXPixmap) p2;
-        }
+    PostCreation();
+    OnSetBitmap();
 
-        XtVaSetValues (buttonWidget,
-            XmNlabelPixmap, p1,
-            XmNlabelInsensitivePixmap, p2,
-            XmNarmPixmap, (Pixmap) ((wxBitmap&)bitmap).GetArmPixmap (m_mainWidget),
-            XmNlabelType, XmPIXMAP,
-            NULL);
-    }
-
-    XtAddCallback (buttonWidget, XmNactivateCallback, (XtCallbackProc) wxButtonCallback,
-            (XtPointer) this);
-
-    SetCanAddEventHandler(TRUE);
-    AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+                  pos.x, pos.y, best.x, best.y);
 
-    SetFont(* parent->GetFont());
-
-    ChangeBackgroundColour ();
-
-
-    return TRUE;
+    return true;
 }
 
 wxBitmapButton::~wxBitmapButton()
@@ -127,38 +100,104 @@ wxBitmapButton::~wxBitmapButton()
     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::DoSetBitmap(const wxBitmap& bitmap, State which)
 {
-    m_buttonBitmap = bitmap;
+    m_bitmapsOriginal[which] = bitmap;
 
-    if (bitmap.Ok())
+    wxBitmapButtonBase::DoSetBitmap(bitmap, which);
+}
+
+void wxBitmapButton::OnSetBitmap()
+{
+    wxBitmapButtonBase::OnSetBitmap();
+
+    if ( m_bitmapsOriginal[State_Normal].IsOk() )
     {
-        Pixmap labelPixmap, insensPixmap, armPixmap;
+        Pixmap pixmap = 0;
+        Pixmap insensPixmap = 0;
+        Pixmap armPixmap = 0;
+
+        // Must re-make the bitmap to have its transparent areas drawn
+        // in the current widget background colour.
+        if ( m_bitmapsOriginal[State_Normal].GetMask() )
+        {
+            WXPixel backgroundPixel;
+            XtVaGetValues((Widget) m_mainWidget,
+                          XmNbackground, &backgroundPixel,
+                          NULL);
 
-        labelPixmap = (Pixmap) ((wxBitmap&)bitmap).GetLabelPixmap(m_mainWidget);
+            wxColour col;
+            col.SetPixel(backgroundPixel);
 
-        if (m_buttonBitmapSelected.Ok())
-            armPixmap = (Pixmap) m_buttonBitmapSelected.GetLabelPixmap(m_mainWidget);
+            wxBitmap newBitmap =
+                wxCreateMaskedBitmap(m_bitmapsOriginal[State_Normal], col);
+            m_bitmaps[State_Normal] = newBitmap;
+            m_bitmapCache.SetBitmap( m_bitmaps[State_Normal] );
+
+            pixmap = (Pixmap) m_bitmaps[State_Normal].GetDrawable();
+        }
         else
-            armPixmap = (Pixmap) ((wxBitmap&)bitmap).GetArmPixmap(m_mainWidget);
+        {
+            m_bitmapCache.SetBitmap( m_bitmaps[State_Normal] );
+            pixmap = (Pixmap) m_bitmapCache.GetLabelPixmap(m_mainWidget);
+        }
 
-        if (m_buttonBitmapDisabled.Ok())
-            insensPixmap = (Pixmap) m_buttonBitmapDisabled.GetLabelPixmap(m_mainWidget);
+        if (m_bitmapsOriginal[State_Disabled].IsOk())
+        {
+            if (m_bitmapsOriginal[State_Disabled].GetMask())
+            {
+                WXPixel backgroundPixel;
+                XtVaGetValues((Widget) m_mainWidget,
+                              XmNbackground, &backgroundPixel,
+                              NULL);
+
+                wxColour col;
+                col.SetPixel(backgroundPixel);
+
+                wxBitmap newBitmap =
+                    wxCreateMaskedBitmap(m_bitmapsOriginal[State_Disabled], col);
+                m_bitmaps[State_Disabled] = newBitmap;
+
+                insensPixmap = (Pixmap) m_bitmaps[State_Disabled].GetDrawable();
+            }
+            else
+                insensPixmap = (Pixmap) m_bitmapCache.GetInsensPixmap(m_mainWidget);
+        }
         else
-            insensPixmap = (Pixmap) ((wxBitmap&)bitmap).GetInsensPixmap(m_mainWidget);
+            insensPixmap = (Pixmap) m_bitmapCache.GetInsensPixmap(m_mainWidget);
 
-        if (!insensPixmap || (insensPixmap == labelPixmap)) // <- the Get...Pixmap()-functions return the same pixmap!
+        // Now make the bitmap representing the armed state
+        if (m_bitmapsOriginal[State_Pressed].IsOk())
         {
-            insensPixmap = XCreateInsensitivePixmap(DisplayOfScreen(XtScreen((Widget) m_mainWidget)), labelPixmap);
-            m_insensPixmap = (WXPixmap) insensPixmap;
+            if (m_bitmapsOriginal[State_Pressed].GetMask())
+            {
+                WXPixel backgroundPixel;
+                XtVaGetValues((Widget) m_mainWidget,
+                              XmNarmColor, &backgroundPixel,
+                              NULL);
+
+                wxColour col;
+                col.SetPixel(backgroundPixel);
+
+                wxBitmap newBitmap =
+                    wxCreateMaskedBitmap(m_bitmapsOriginal[State_Pressed], col);
+                m_bitmaps[State_Pressed] = newBitmap;
+
+                armPixmap = (Pixmap) m_bitmaps[State_Pressed].GetDrawable();
+            }
+            else
+                armPixmap = (Pixmap) m_bitmapCache.GetArmPixmap(m_mainWidget);
         }
+        else
+            armPixmap = (Pixmap) m_bitmapCache.GetArmPixmap(m_mainWidget);
 
         XtVaSetValues ((Widget) m_mainWidget,
-            XmNlabelPixmap, labelPixmap,
-           XmNlabelInsensitivePixmap, insensPixmap,
+            XmNlabelPixmap, pixmap,
+            XmNlabelInsensitivePixmap, insensPixmap,
             XmNarmPixmap, armPixmap,
             XmNlabelType, XmPIXMAP,
             NULL);
@@ -169,27 +208,33 @@ void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
         // 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);
     }
 }
 
-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.
+    OnSetBitmap();
+}
 
-void wxBitmapButton::SetBitmapDisabled(const wxBitmap& disabled)
+wxSize wxBitmapButton::DoGetBestSize() const
 {
-    m_buttonBitmapDisabled = disabled;
-};
+    wxSize ret( 30,30 );
 
+    if (GetBitmapLabel().IsOk())
+    {
+        int border = HasFlag(wxNO_BORDER) ? 4 : 10;
+        ret.x += border;
+        ret.y += border;
+
+        ret += GetBitmapLabel().GetSize();
+    }
 
+    return ret;
+}