X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/76208c7ef663c50e76e466d0bf73e60860c6f445..a83ea9c15a7ac7bbdc6686164cfcbbc21ae5031a:/src/motif/dcclient.cpp

diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp
index d702b6d764..908526c8bc 100644
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -36,10 +36,13 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#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/dcmemory.h"
 #include "wx/window.h"
@@ -83,9 +86,15 @@ static Pixmap bdiag, cdiag, fdiag, cross, horiz, verti;
 // macros
 // ----------------------------------------------------------------------------
 
-    IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
-    IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
-    IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
+IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
+IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+
+#ifndef IS_HATCH
+    // IS_HATCH exists for WXWIN_COMPATIBILITY_2_4 only
+    // but wxMotif needs it for its internals here
+    #define IS_HATCH(s)    ((s)>=wxBDIAGONAL_HATCH && (s)<=wxVERTICAL_HATCH)
+#endif
 
 // ----------------------------------------------------------------------------
 // prototypes
@@ -140,12 +149,11 @@ void wxWindowDC::Init()
     m_currentFill = -1;
     m_colour = wxColourDisplay();
     m_display = (WXDisplay*) NULL;
-    m_currentRegion = (WXRegion) 0;
-    m_userRegion = (WXRegion) 0;
     m_pixmap = (WXPixmap) 0;
     m_autoSetting = 0;
     m_oldFont = (WXFont) 0;
     m_ok = false;
+    m_clipRegion = (WXRegion) 0;
 }
 
 wxWindowDC::wxWindowDC()
@@ -161,7 +169,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
 
     m_window = window;
     m_font = window->GetFont();
-    m_ok = TRUE;
+    m_ok = true;
 
     m_display = window->GetXDisplay();
     m_pixmap = window->GetXWindow();
@@ -215,16 +223,12 @@ wxWindowDC::~wxWindowDC()
         XFreeGC ((Display*) m_display, (GC) m_gcBacking);
     m_gcBacking = (WXGC) 0;
 
-    if (m_currentRegion)
-        XDestroyRegion ((Region) m_currentRegion);
-    m_currentRegion = (WXRegion) 0;
-
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = (WXRegion) 0;
+    if (m_clipRegion)
+        XDestroyRegion ((Region) m_clipRegion);
+    m_clipRegion = (WXRegion) 0;
 }
 
-extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y, 
+extern bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
                           const wxColour & col, int style);
 
 bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
@@ -232,7 +236,7 @@ bool wxWindowDC::DoFloodFill(wxCoord x, wxCoord y,
 {
     return wxDoFloodFill(this, x, y, col, style);
 }
-  
+
 bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 {
     // Generic (and therefore rather inefficient) method.
@@ -244,7 +248,7 @@ bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
     memdc.SelectObject(wxNullBitmap);
     wxImage image = bitmap.ConvertToImage();
     col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
-    return TRUE;
+    return true;
 }
 
 void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
@@ -783,17 +787,20 @@ void wxWindowDC::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord hei
 
 bool wxWindowDC::CanDrawBitmap() const
 {
-    wxCHECK_MSG( Ok(), FALSE, "invalid dc" );
+    wxCHECK_MSG( Ok(), false, "invalid dc" );
 
-    return TRUE;
+    return true;
 }
 
-// TODO: use scaled Blit e.g. as per John Price's implementation in Contrib/Utilities
-bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
-                         wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
+// TODO: use scaled Blit e.g. as per John Price's implementation
+// in Contrib/Utilities
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
+                         wxCoord width, wxCoord height,
+                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
+                         int rop, bool useMask,
                          wxCoord xsrcMask, wxCoord ysrcMask )
 {
-    wxCHECK_MSG( Ok(), FALSE, "invalid dc" );
+    wxCHECK_MSG( Ok(), false, "invalid dc" );
 
     wxWindowDC* sourceDC = wxDynamicCast(source, wxWindowDC);
 
@@ -822,8 +829,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
         if( m_textForegroundColour.GetPixel() <= -1 )
             CalculatePixel( m_textForegroundColour,
-                            m_textForegroundColour, TRUE);
- 
+                            m_textForegroundColour, true);
+
         int pixel = m_textForegroundColour.GetPixel();
         if (pixel > -1)
             SetForegroundPixelWithLogicalFunction(pixel);
@@ -835,7 +842,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
     Pixmap sourcePixmap = (Pixmap) NULL;
     double scaleX, scaleY;
     GetUserScale(& scaleX, & scaleY);
-    bool retVal = FALSE;
+    bool retVal = false;
 
     /* TODO: use the mask origin when drawing transparently */
     if (xsrcMask == -1 && ysrcMask == -1)
@@ -912,13 +919,18 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
             if ( useMask )
             {
-                XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+                if ( m_clipRegion )
+                    XSetRegion ((Display*) m_display, (GC) m_gc,
+                                (Region) m_clipRegion);
+                else
+                    XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+
                 XSetClipOrigin ((Display*) m_display, (GC) m_gc, 0, 0);
             }
 
         } else
         {        //XGCValues values;
-        //XGetGCValues((Display*)m_display, (GC)m_gc, GCForeground, &values);   
+        //XGetGCValues((Display*)m_display, (GC)m_gc, GCForeground, &values);
 
             if (m_window && m_window->GetBackingPixmap())
             {
@@ -976,7 +988,12 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
             }
             if ( useMask )
             {
-                XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+                if ( m_clipRegion )
+                    XSetRegion ((Display*) m_display, (GC) m_gc,
+                                (Region) m_clipRegion);
+                else
+                    XSetClipMask   ((Display*) m_display, (GC) m_gc, None);
+
                 XSetClipOrigin ((Display*) m_display, (GC) m_gc, 0, 0);
             }
 
@@ -986,7 +1003,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord he
 
         SetLogicalFunction(orig);
 
-        retVal = TRUE;
+        retVal = true;
   }
   if (scaledBitmap) delete scaledBitmap;
 
@@ -1104,7 +1121,7 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         if (!sameColour || !GetOptimization())
         {
             int pixel = CalculatePixel(m_textForegroundColour,
-                                       m_currentColour, FALSE);
+                                       m_currentColour, false);
 
             // Set the GC to the required colour
             if (pixel > -1)
@@ -1180,8 +1197,8 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
 
         if( m_textForegroundColour.GetPixel() <= -1 )
             CalculatePixel( m_textForegroundColour,
-                            m_textForegroundColour, TRUE);
- 
+                            m_textForegroundColour, true);
+
         foregroundPixel = m_textForegroundColour.GetPixel();
     }
 
@@ -1312,7 +1329,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
 
 bool wxWindowDC::CanGetTextExtent() const
 {
-    return TRUE;
+    return true;
 }
 
 void wxWindowDC::DoGetTextExtent( const wxString &string, wxCoord *width, wxCoord *height,
@@ -1418,7 +1435,7 @@ void wxWindowDC::Clear()
 {
     wxCHECK_RET( Ok(), "invalid dc" );
 
-    wxRect rect( wxPoint( 0, 0 ), GetSize() );
+    wxRect rect( GetSize() );
     Clear( rect );
 }
 
@@ -1494,7 +1511,7 @@ int wxWindowDC::CalculatePixel(wxColour& colour, wxColour& curCol,
                                bool roundToWhite) const
 {
     const unsigned char wp = (unsigned char)255;
-        
+
     int pixel = -1;
     if(!m_colour) // Mono display
     {
@@ -1778,7 +1795,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
             pixel = m_backgroundPixel;
         else
         {
-            pixel = CalculatePixel(m_pen.GetColour(), m_currentColour, FALSE);
+            pixel = CalculatePixel(m_pen.GetColour(), m_currentColour, false);
         }
 
         // Finally, set the GC to the required colour
@@ -1842,7 +1859,7 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
                 // determine whether fill style should be solid or
                 // transparent
                 int style = stippleDepth == 1 ?
-                    (m_backgroundMode == wxSOLID ? 
+                    (m_backgroundMode == wxSOLID ?
                      FillOpaqueStippled : FillStippled) :
                     FillTiled;
                 XSetFillStyle ((Display*) m_display, (GC) m_gc, style);
@@ -1940,8 +1957,8 @@ void wxWindowDC::SetBrush( const wxBrush &brush )
     // must test m_logicalFunction, because it involves background!
     if (!sameColour || !GetOptimization() || m_logicalFunction == wxXOR)
     {
-        int pixel = CalculatePixel(m_brush.GetColour(), m_currentColour, TRUE);
- 
+        int pixel = CalculatePixel(m_brush.GetColour(), m_currentColour, true);
+
         if (pixel > -1)
             SetForegroundPixelWithLogicalFunction(pixel);
     }
@@ -2077,57 +2094,54 @@ void wxWindowDC::SetPalette( const wxPalette& palette )
     }
 }
 
-// Helper function
-void wxWindowDC::SetDCClipping()
+static void wxCopyRegion( WXRegion src, WXRegion& dst )
 {
-    // m_userRegion is the region set by calling SetClippingRegion
-
-    if (m_currentRegion)
-        XDestroyRegion ((Region) m_currentRegion);
-
-    // We need to take into account
-    // clipping imposed on a window by a repaint.
-    // We'll combine it with the user region. But for now,
-    // just use the currently-defined user clipping region.
-    if (m_userRegion || (m_window && m_window->GetUpdateRegion().Ok()) )
-        m_currentRegion = (WXRegion) XCreateRegion ();
-    else
-        m_currentRegion = (WXRegion) NULL;
-
-    if ((m_window && m_window->GetUpdateRegion().Ok()) && m_userRegion)
-        XIntersectRegion ((Region) m_window->GetUpdateRegion().GetXRegion(), (Region) m_userRegion, (Region) m_currentRegion);
-    else if (m_userRegion)
-        XIntersectRegion ((Region) m_userRegion, (Region) m_userRegion, (Region) m_currentRegion);
-    else if (m_window && m_window->GetUpdateRegion().Ok())
-        XIntersectRegion ((Region) m_window->GetUpdateRegion().GetXRegion(), (Region) m_window->GetUpdateRegion().GetXRegion(),
-        (Region) m_currentRegion);
+    if( !dst )
+        dst = XCreateRegion();
+    XUnionRegion( (Region)src, (Region)src, (Region)dst );
+}
 
-    if (m_currentRegion)
+// Helper function; userRegion is the region set by calling SetClippingRegion
+void wxWindowDC::SetDCClipping( WXRegion userRegion )
+{
+    bool hasUpdateRegion = m_window && m_window->GetUpdateRegion().Ok();
+    // this means that we should start the clip region from scratch,
+    // or from the update region, if any
+    if( !userRegion )
     {
-        XSetRegion ((Display*) m_display, (GC) m_gc, (Region) m_currentRegion);
+        if( m_clipRegion )
+            XDestroyRegion( (Region)m_clipRegion );
+        m_clipRegion = (WXRegion)NULL;
+
+        if( hasUpdateRegion )
+            wxCopyRegion( m_window->GetUpdateRegion().GetX11Region(),
+                          m_clipRegion );
     }
-    else
+    // intersect the user region, if any, with the
+    // exisiting clip region
+    else // if( userRegion )
     {
-        XSetClipMask ((Display*) m_display, (GC) m_gc, None);
+        if( !m_clipRegion )
+            wxCopyRegion( userRegion, m_clipRegion );
+        else
+            XIntersectRegion( (Region)m_clipRegion,
+                              (Region)userRegion, (Region)m_clipRegion );
     }
 
+    if( m_clipRegion )
+        XSetRegion( (Display*)m_display, (GC)m_gc, (Region)m_clipRegion );
+    else
+        XSetClipMask( (Display*)m_display, (GC)m_gc, None );
 }
 
-void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y,
+                                      wxCoord width, wxCoord height )
 {
     wxDC::DoSetClippingRegion( x, y, width, height );
 
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = (WXRegion) XCreateRegion ();
-    XRectangle r;
-    r.x = XLOG2DEV (x);
-    r.y = YLOG2DEV (y);
-    r.width = XLOG2DEVREL(width);
-    r.height = YLOG2DEVREL(height);
-    XUnionRectWithRegion (&r, (Region) m_userRegion, (Region) m_userRegion);
+    wxRegion temp(x, y, width, height);
 
-    SetDCClipping ();
+    SetDCClipping(temp.GetX11Region());
 
     // Needs to work differently for Pixmap: without this,
     // there's a nasty (Display*) m_display bug. 8/12/94
@@ -2138,7 +2152,8 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo
         rects[0].y = YLOG2DEV_2(y);
         rects[0].width = XLOG2DEVREL(width);
         rects[0].height = YLOG2DEVREL(height);
-        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking, 0, 0, rects, 1, Unsorted);
+        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking,
+                           0, 0, rects, 1, Unsorted);
     }
 }
 
@@ -2148,13 +2163,7 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
 
     wxDC::DoSetClippingRegion( box.x, box.y, box.width, box.height );
 
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = (WXRegion) XCreateRegion ();
-
-    XUnionRegion((Region) m_userRegion, (Region) region.GetXRegion(), (Region) m_userRegion);
-
-    SetDCClipping ();
+    SetDCClipping(region.GetX11Region());
 
     // Needs to work differently for Pixmap: without this,
     // there's a nasty (Display*) m_display bug. 8/12/94
@@ -2165,7 +2174,8 @@ void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion& region )
         rects[0].y = YLOG2DEV_2(box.y);
         rects[0].width = XLOG2DEVREL(box.width);
         rects[0].height = YLOG2DEVREL(box.height);
-        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking, 0, 0, rects, 1, Unsorted);
+        XSetClipRectangles((Display*) m_display, (GC) m_gcBacking,
+                           0, 0, rects, 1, Unsorted);
     }
 }
 
@@ -2174,21 +2184,16 @@ void wxWindowDC::DestroyClippingRegion()
 {
     wxDC::DestroyClippingRegion();
 
-    if (m_userRegion)
-        XDestroyRegion ((Region) m_userRegion);
-    m_userRegion = NULL;
-
-    SetDCClipping ();
+    SetDCClipping(NULL);
 
-    XGCValues gc_val;
-    gc_val.clip_mask = None;
     if (m_window && m_window->GetBackingPixmap())
-        XChangeGC((Display*) m_display, (GC) m_gcBacking, GCClipMask, &gc_val);
+        XSetClipMask ((Display*) m_display, (GC) m_gcBacking, None);
 }
 
 // Resolution in pixels per logical inch
 wxSize wxWindowDC::GetPPI() const
 {
+    // TODO
     return wxSize(100, 100);
 }
 
@@ -2207,51 +2212,15 @@ int wxWindowDC::GetDepth() const
 
 wxPaintDC::wxPaintDC(wxWindow* win) : wxWindowDC(win)
 {
-    wxRegion* region = NULL;
-
-    // Combine all the update rects into a region
-    const wxRectList& updateRects(win->GetUpdateRects());
-    if ( updateRects.GetCount() != 0 )
-    {
-        for ( wxRectList::Node *node = updateRects.GetFirst();
-              node;
-              node = node->GetNext() )
-        {
-            wxRect* rect = node->GetData();
-
-            if (!region)
-                region = new wxRegion(*rect);
-            else
-                // TODO: is this correct? In SetDCClipping above,
-                // XIntersectRegion is used to combine paint and user
-                // regions. XIntersectRegion appears to work in that case...
-                region->Union(*rect);
-        }
-    }
-    else
-    {
-        int cw, ch;
-        win->GetClientSize(&cw, &ch);
-        region = new wxRegion(wxRect(0, 0, cw, ch));
-    }
-
-    win->SetUpdateRegion(*region);
-
-    wxRegion& theRegion(win->GetUpdateRegion());
-    theRegion.SetRects(updateRects); // We also store in terms of rects, for iteration to work.
-
-    // Set the clipping region. Any user-defined region will be combined with this
-    // one in SetDCClipping.
-    XSetRegion ((Display*) m_display, (GC) m_gc, (Region) region->GetXRegion());
-
-    delete region;
+    // Set the clipping region.to the update region
+    SetDCClipping((WXRegion)NULL);
 }
 
 wxPaintDC::~wxPaintDC()
 {
-    XSetClipMask ((Display*) m_display, (GC) m_gc, None);
     if (m_window)
         m_window->ClearUpdateRegion();
+    SetDCClipping((WXRegion)NULL);
 }
 
 // ----------------------------------------------------------------------------