OpenVMS update

[wxWidgets.git] / src / x11 / dcclient.cpp

diff --git a/src/x11/dcclient.cpp b/src/x11/dcclient.cpp
index 37b47a4dbfba56cfb27e246f879f004d4ac88e77..63932ca5b9fcdd39fdf448635278518465690cf8 100644 (file)
--- a/src/x11/dcclient.cpp
+++ b/src/x11/dcclient.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        x11/dcclient.cpp
+// Name:        src/x11/dcclient.cpp

 // Purpose:     wxClientDC class
 // Author:      Julian Smart, Robert Roebling
 // Modified by:
 // Purpose:     wxClientDC class
 // Author:      Julian Smart, Robert Roebling
 // Modified by:


@@ -9,22 +9,24 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "dcclient.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/dcclient.h"
 
 #include "wx/dcclient.h"

-#include "wx/dcmemory.h"
-#include "wx/window.h"
-#include "wx/app.h"
-#include "wx/image.h"
-#include "wx/module.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/window.h"
+    #include "wx/dcmemory.h"
+    #include "wx/math.h"
+    #include "wx/image.h"
+    #include "wx/module.h"
+#endif
+

 #include "wx/fontutil.h"
 
 #include "wx/x11/private.h"
 
 #include "wx/fontutil.h"
 
 #include "wx/x11/private.h"
 

-#include "wx/math.h"
-

 #if wxUSE_UNICODE
 #include "glib.h"
 #include "pango/pangox.h"
 #if wxUSE_UNICODE
 #include "glib.h"
 #include "pango/pangox.h"


@@ -39,7 +41,8 @@
 // local defines
 //-----------------------------------------------------------------------------
 
 // local defines
 //-----------------------------------------------------------------------------
 

-#define USE_PAINT_REGION 1
+// VZ: what is this for exactly??
+#define USE_PAINT_REGION 0

 
 //-----------------------------------------------------------------------------
 // local data
 
 //-----------------------------------------------------------------------------
 // local data


@@ -163,7 +166,7 @@ static void wxFreePoolGC( GC gc )
 
 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
 

-wxWindowDC::wxWindowDC()
+void wxWindowDC::Init()

 {
     m_display = (WXDisplay *) NULL;
     m_penGC = (WXGC *) NULL;
 {
     m_display = (WXDisplay *) NULL;
     m_penGC = (WXGC *) NULL;


@@ -176,7 +179,7 @@ wxWindowDC::wxWindowDC()
     m_owner = (wxWindow *)NULL;
 
 #if wxUSE_UNICODE
     m_owner = (wxWindow *)NULL;
 
 #if wxUSE_UNICODE

-    m_context = (PangoContext *)NULL;
+    m_context = wxTheApp->GetPangoContext();

     m_fontdesc = (PangoFontDescription *)NULL;
 #endif
 }
     m_fontdesc = (PangoFontDescription *)NULL;
 #endif
 }


@@ -185,15 +188,8 @@ wxWindowDC::wxWindowDC( wxWindow *window )
 {
     wxASSERT_MSG( window, wxT("DC needs a window") );
 
 {
     wxASSERT_MSG( window, wxT("DC needs a window") );
 

-    m_display = (WXDisplay *) NULL;
-    m_penGC = (WXGC *) NULL;
-    m_brushGC = (WXGC *) NULL;
-    m_textGC = (WXGC *) NULL;
-    m_bgGC = (WXGC *) NULL;
-    m_cmap = (WXColormap *) NULL;
-    m_owner = (wxWindow *)NULL;
-    m_isMemDC = false;
-    m_isScreenDC = false;
+    Init();
+

     m_font = window->GetFont();
 
     m_window = (WXWindow*) window->GetMainWindow();
     m_font = window->GetFont();
 
     m_window = (WXWindow*) window->GetMainWindow();


@@ -210,7 +206,6 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     m_display = (WXDisplay *) wxGlobalDisplay();
 
 #if wxUSE_UNICODE
     m_display = (WXDisplay *) wxGlobalDisplay();
 
 #if wxUSE_UNICODE

-    m_context = wxTheApp->GetPangoContext();

     m_fontdesc = window->GetFont().GetNativeFontInfo()->description;
 #endif
 
     m_fontdesc = window->GetFont().GetNativeFontInfo()->description;
 #endif
 


@@ -1174,62 +1169,78 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     WXPixmap mask = NULL;
     if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
 
     WXPixmap mask = NULL;
     if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
 

-        if (useMask && mask)
+    bool setClipMask = false;
+
+    if (!m_currentClippingRegion.IsNull() || (useMask && mask))
+    {
+        // XSetClipMask() call is necessary (because of clip region and/or transparent mask)
+        setClipMask = true;
+        Pixmap new_pixmap = 0;
+
+        if (!m_currentClippingRegion.IsNull())

         {
         {

-            WXPixmap new_mask = NULL;
-#if 0
-            if (!m_currentClippingRegion.IsNull())
-            {
-                GdkColor col;
-                new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
-                GdkGC *gc = gdk_gc_new( new_mask );
-                col.pixel = 0;
-                gdk_gc_set_foreground( gc, &col );
-                gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
-                col.pixel = 0;
-                gdk_gc_set_background( gc, &col );
-                col.pixel = 1;
-                gdk_gc_set_foreground( gc, &col );
-                gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
-                gdk_gc_set_clip_origin( gc, -xx, -yy );
-                gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
-                gdk_gc_set_stipple( gc, mask );
-                gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
-                gdk_gc_unref( gc );
-            }
-#endif
-            if (is_mono)
-            {
-                if (new_mask)
-                    XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) new_mask );
-                else
-                    XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) mask );
-                XSetClipOrigin( (Display*) m_display, (GC) m_textGC, xx, yy );
-            }
-            else
+            // clipping necessary => create new_pixmap
+            Display *xdisplay = (Display*) m_display;
+            int xscreen = DefaultScreen( xdisplay );
+            Window xroot = RootWindow( xdisplay, xscreen );
+
+            new_pixmap = XCreatePixmap( xdisplay, xroot, ww, hh, 1 );
+            GC gc = XCreateGC( xdisplay, new_pixmap, 0, NULL );
+
+            XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) );
+
+            XSetFillStyle( xdisplay, gc, FillSolid );
+            XFillRectangle( xdisplay, new_pixmap, gc, 0, 0, ww, hh );
+
+            XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) );
+
+            if (useMask && mask)

             {
             {

-                if (new_mask)
-                    XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) new_mask );
-                else
-                    XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) mask );
-                XSetClipOrigin( (Display*) m_display, (GC) m_penGC, xx, yy );
+                // transparent mask => call XSetStipple
+                XSetFillStyle( xdisplay, gc, FillStippled );
+                XSetTSOrigin( xdisplay, gc, 0, 0);
+                XSetStipple( xdisplay, gc, (Pixmap) mask);

             }
 
             }
 

-            if (new_mask)
-               XFreePixmap( (Display*) m_display, (Pixmap) new_mask );
+            wxCoord clip_x, clip_y, clip_w, clip_h;
+            m_currentClippingRegion.GetBox(clip_x, clip_y, clip_w, clip_h);
+            XFillRectangle( xdisplay, new_pixmap, gc, clip_x-xx, clip_y-yy, clip_w, clip_h );
+
+            XFreeGC( xdisplay, gc );

         }
 
         }
 

+        if (is_mono)
+        {
+            if (new_pixmap)
+                XSetClipMask( (Display*) m_display, (GC) m_textGC, new_pixmap );
+            else
+                XSetClipMask( (Display*) m_display, (GC) m_textGC, (Pixmap) mask );
+            XSetClipOrigin( (Display*) m_display, (GC) m_textGC, xx, yy );
+        }
+        else
+        {
+            if (new_pixmap)
+                XSetClipMask( (Display*) m_display, (GC) m_penGC, new_pixmap );
+            else
+                XSetClipMask( (Display*) m_display, (GC) m_penGC, (Pixmap) mask );
+            XSetClipOrigin( (Display*) m_display, (GC) m_penGC, xx, yy );
+        }
+
+        if (new_pixmap)
+            XFreePixmap( (Display*) m_display, new_pixmap );
+    }
+

     // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
     // drawing a mono-bitmap (XBitmap) we use the current text GC
     if (is_mono)
         XCopyPlane( (Display*) m_display, (Pixmap) use_bitmap.GetBitmap(), (Window) m_window,
     // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
     // drawing a mono-bitmap (XBitmap) we use the current text GC
     if (is_mono)
         XCopyPlane( (Display*) m_display, (Pixmap) use_bitmap.GetBitmap(), (Window) m_window,

-            (GC) m_textGC, 0, 0, w, h, xx, yy, 1 );
+            (GC) m_textGC, 0, 0, ww, hh, xx, yy, 1 );

     else
         XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,
     else
         XCopyArea( (Display*) m_display, (Pixmap) use_bitmap.GetPixmap(), (Window) m_window,

-            (GC) m_penGC, 0, 0, w, h, xx, yy );
+            (GC) m_penGC, 0, 0, ww, hh, xx, yy );

 
     // remove mask again if any
 
     // remove mask again if any

-    if (useMask && mask)
+    if (setClipMask)

     {
         if (is_mono)
         {
     {
         if (is_mono)
         {


@@ -1266,8 +1277,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
     if (!m_window) return false;
 
     // transform the source DC coords to the device ones
     if (!m_window) return false;
 
     // transform the source DC coords to the device ones

-    xsrc = source->XLOG2DEV(xsrc);
-    ysrc = source->YLOG2DEV(ysrc);
+    xsrc = source->LogicalToDeviceX(xsrc);
+    ysrc = source->LogicalToDeviceY(ysrc);

 
     wxClientDC *srcDC = (wxClientDC*)source;
     wxMemoryDC *memDC = (wxMemoryDC*)source;
 
     wxClientDC *srcDC = (wxClientDC*)source;
     wxMemoryDC *memDC = (wxMemoryDC*)source;


@@ -1553,7 +1564,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         slen = strlen(text);
         XCharStruct overall_return;
 
         slen = strlen(text);
         XCharStruct overall_return;
 

-        (void)XTextExtents(xfont, (char*) text.c_str(), slen, &direction,
+        (void)XTextExtents(xfont, (const char*) text.c_str(), slen, &direction,

                                  &ascent, &descent, &overall_return);
 
         cx = overall_return.width;
                                  &ascent, &descent, &overall_return);
 
         cx = overall_return.width;


@@ -1569,11 +1580,13 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 
     XSetFont( (Display*) m_display, (GC) m_textGC, xfont->fid );
 #if !wxUSE_NANOX
 
     XSetFont( (Display*) m_display, (GC) m_textGC, xfont->fid );
 #if !wxUSE_NANOX

-    if ((xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))
+    // This may be a test for whether the font is 16-bit, but it also
+    // seems to fail for valid 8-bit fonts too.
+    if (1) // (xfont->min_byte1 == 0) && (xfont->max_byte1 == 0))

 #endif
     {
         XDrawString( (Display*) m_display, (Window) m_window,
 #endif
     {
         XDrawString( (Display*) m_display, (Window) m_window,

-            (GC) m_textGC, x, y + XFontStructGetAscent(xfont), text.c_str(), text.Len() );
+            (GC) m_textGC, x, y + XFontStructGetAscent(xfont), text.c_str(), text.length() );

     }
 
 #if 0
     }
 
 #if 0


@@ -1600,7 +1613,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
 
 void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
                                 wxCoord *descent, wxCoord *externalLeading,
 
 void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
                                 wxCoord *descent, wxCoord *externalLeading,

-                                wxFont *font ) const
+                                const wxFont *font ) const

 {
     wxCHECK_RET( Ok(), wxT("invalid dc") );
 
 {
     wxCHECK_RET( Ok(), wxT("invalid dc") );
 


@@ -1649,7 +1662,7 @@ void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoor
     int direction, ascent, descent2;
     XCharStruct overall;
 
     int direction, ascent, descent2;
     XCharStruct overall;
 

-    XTextExtents( xfont, (char*) string.c_str(), string.Len(), &direction,
+    XTextExtents( xfont, (const char*) string.c_str(), string.length(), &direction,

         &ascent, &descent2, &overall);
 
     if (width)
         &ascent, &descent2, &overall);
 
     if (width)


@@ -1670,13 +1683,11 @@ wxCoord wxWindowDC::GetCharWidth() const
 #if wxUSE_UNICODE
     PangoLayout *layout = pango_layout_new( m_context );
 
 #if wxUSE_UNICODE
     PangoLayout *layout = pango_layout_new( m_context );
 

-    if (!m_fontdesc)
-    {
-        char *crash = NULL;
-        *crash = 0;
-    }
+    if (m_fontdesc)
+        pango_layout_set_font_description(layout, m_fontdesc);
+    else
+        pango_layout_set_font_description(layout, this->GetFont().GetNativeFontInfo()->description);

 
 

-    pango_layout_set_font_description(layout, m_fontdesc);

     pango_layout_set_text(layout, "H", 1 );
     int w,h;
     pango_layout_get_pixel_size(layout, &w, &h);
     pango_layout_set_text(layout, "H", 1 );
     int w,h;
     pango_layout_get_pixel_size(layout, &w, &h);


@@ -1706,13 +1717,10 @@ wxCoord wxWindowDC::GetCharHeight() const
 #if wxUSE_UNICODE
     PangoLayout *layout = pango_layout_new( m_context );
 
 #if wxUSE_UNICODE
     PangoLayout *layout = pango_layout_new( m_context );
 

-    if (!m_fontdesc)
-    {
-        char *crash = NULL;
-        *crash = 0;
-    }
-
-    pango_layout_set_font_description(layout, m_fontdesc);
+    if (m_fontdesc)
+        pango_layout_set_font_description(layout, m_fontdesc);
+    else
+        pango_layout_set_font_description(layout, this->GetFont().GetNativeFontInfo()->description);

 
     pango_layout_set_text(layout, "H", 1 );
     int w,h;
 
     pango_layout_set_text(layout, "H", 1 );
     int w,h;


@@ -1771,15 +1779,9 @@ void wxWindowDC::SetFont( const wxFont &font )
     wxCHECK_RET( Ok(), wxT("invalid dc") );
 
     m_font = font;
     wxCHECK_RET( Ok(), wxT("invalid dc") );
 
     m_font = font;

-    
-#if wxUSE_UNICODE
-    if (m_font.Ok())
-    {
-        if (m_fontdesc)
-            pango_font_description_free( m_fontdesc );

 
 

-        m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
-    }
+#if wxUSE_UNICODE
+    m_fontdesc = font.GetNativeFontInfo()->description;

 #endif
 }
 
 #endif
 }
 


@@ -2158,19 +2160,25 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo
 
     if (!m_window) return;
 
 
     if (!m_window) return;
 

+    if (width <= 0)
+        width = 1;
+
+    if (height <= 0)
+        height = 1;
+

     wxRect rect;
     rect.x = XLOG2DEV(x);
     rect.y = YLOG2DEV(y);
     rect.width = XLOG2DEVREL(width);
     rect.height = YLOG2DEVREL(height);
 
     wxRect rect;
     rect.x = XLOG2DEV(x);
     rect.y = YLOG2DEV(y);
     rect.width = XLOG2DEVREL(width);
     rect.height = YLOG2DEVREL(height);
 

-    if (!m_currentClippingRegion.IsNull())
+    if (!m_currentClippingRegion.IsEmpty())

         m_currentClippingRegion.Intersect( rect );
     else
         m_currentClippingRegion.Intersect( rect );
     else

-        m_currentClippingRegion.Union( rect );
+        m_currentClippingRegion = rect;

 
 #if USE_PAINT_REGION
 
 #if USE_PAINT_REGION

-    if (!m_paintClippingRegion.IsNull())
+    if (!m_paintClippingRegion.IsEmpty())

         m_currentClippingRegion.Intersect( m_paintClippingRegion );
 #endif
 
         m_currentClippingRegion.Intersect( m_paintClippingRegion );
 #endif
 


@@ -2196,13 +2204,13 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
 
     if (!m_window) return;
 
 
     if (!m_window) return;
 

-    if (!m_currentClippingRegion.IsNull())
+    if (!m_currentClippingRegion.IsEmpty())

         m_currentClippingRegion.Intersect( region );
     else
         m_currentClippingRegion.Intersect( region );
     else

-        m_currentClippingRegion.Union( region );
+        m_currentClippingRegion = region;

 
 #if USE_PAINT_REGION
 
 #if USE_PAINT_REGION

-    if (!m_paintClippingRegion.IsNull())
+    if (!m_paintClippingRegion.IsEmpty())

         m_currentClippingRegion.Intersect( m_paintClippingRegion );
 #endif
 
         m_currentClippingRegion.Intersect( m_paintClippingRegion );
 #endif
 


@@ -2355,8 +2363,15 @@ wxPaintDC::wxPaintDC(wxWindow* window)
 class wxDCModule : public wxModule
 {
 public:
 class wxDCModule : public wxModule
 {
 public:

-    bool OnInit();
-    void OnExit();
+    // we must be cleaned up before wxDisplayModule which closes the global
+    // display
+    wxDCModule()
+    {
+        AddDependency(wxClassInfo::FindClass(_T("wxX11DisplayModule")));
+    }
+
+    bool OnInit() { wxInitGCPool(); return true; }
+    void OnExit() { wxCleanUpGCPool(); }

 
 private:
     DECLARE_DYNAMIC_CLASS(wxDCModule)
 
 private:
     DECLARE_DYNAMIC_CLASS(wxDCModule)


@@ -2364,13 +2379,3 @@ private:
 
 IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
 

-bool wxDCModule::OnInit()
-{
-    wxInitGCPool();
-    return true;
-}
-
-void wxDCModule::OnExit()
-{
-    wxCleanUpGCPool();
-}