ConvertToImage: Check !Ok() (we may not have any ref data at all) and if

[wxWidgets.git] / src / gtk1 / renderer.cpp

diff --git a/src/gtk1/renderer.cpp b/src/gtk1/renderer.cpp
index d9b057e69352e80f58fd1ebdf914e36d0f758890..949fe5da1ab740d58d75000a40c508f23984b809 100644 (file)
--- a/src/gtk1/renderer.cpp
+++ b/src/gtk1/renderer.cpp
@@ -38,6 +38,12 @@
     #include "wx/settings.h"
 #endif // GTK 2.0
 
+#ifdef __WXGTK20__
+    #define WXUNUSED_IN_GTK1(arg) arg
+#else
+    #define WXUNUSED_IN_GTK1(arg)
+#endif
+
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
 // ----------------------------------------------------------------------------
@@ -59,6 +65,18 @@ public:
                                     int flags = 0);
 #endif // GTK 2.0
 
+    virtual void DrawSplitterBorder(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    int flags = 0);
+    virtual void DrawSplitterSash(wxWindow *win,
+                                  wxDC& dc,
+                                  const wxSize& size,
+                                  wxCoord position,
+                                  wxOrientation orient,
+                                  int flags = 0);
+
+    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 };
 
 // ============================================================================
@@ -66,13 +84,17 @@ public:
 // ============================================================================
 
 /* static */
-wxRendererNative& wxRendererNative::Get()
+wxRendererNative& wxRendererNative::GetDefault()
 {
     static wxRendererGTK s_rendererGTK;
 
     return s_rendererGTK;
 }
 
+// ----------------------------------------------------------------------------
+// list/tree controls drawing
+// ----------------------------------------------------------------------------
+
 void
 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
@@ -133,4 +155,153 @@ wxRendererGTK::DrawTreeItemButton(wxWindow* WXUNUSED(win),
 
 #endif // GTK 2.0
 
+// ----------------------------------------------------------------------------
+// splitter sash drawing
+// ----------------------------------------------------------------------------
+
+// all this should probably be read from the current theme settings somehow?
+#ifdef __WXGTK20__
+    // the full sash size
+    static const wxCoord SASH_FULL_SIZE = 5;
+#else // GTK+ 1.x
+    // the full sash width (should be even)
+    static const wxCoord SASH_SIZE = 10;
+
+    // margin around the sash
+    static const wxCoord SASH_MARGIN = 5;
+
+    // the full sash size
+    static const wxCoord SASH_FULL_SIZE = SASH_SIZE + SASH_MARGIN;
+#endif // GTK+ 2.x/1.x
+
+wxSplitterRenderParams
+wxRendererGTK::GetSplitterParams(const wxWindow * WXUNUSED(win))
+{
+    // we don't draw any border, hence 0 for the second field
+    return wxSplitterRenderParams
+           (
+               SASH_FULL_SIZE,
+               0,
+#ifdef __WXGTK20__
+               true     // hot sensitive
+#else // GTK+ 1.x
+               false    // not
+#endif // GTK+ 2.x/1.x
+           );
+}
+
+void
+wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
+                                  wxDC& WXUNUSED(dc),
+                                  const wxRect& WXUNUSED(rect),
+                                  int WXUNUSED(flags))
+{
+    // nothing to do
+}
+
+void
+wxRendererGTK::DrawSplitterSash(wxWindow *win,
+                                wxDC& dc,
+                                const wxSize& size,
+                                wxCoord position,
+                                wxOrientation orient,
+                                int WXUNUSED_IN_GTK1(flags))
+{
+    if ( !win->m_wxwindow->window )
+    {
+        // VZ: this happens on startup -- why?
+        return;
+    }
+
+    // are we drawing vertical or horizontal splitter?
+    const bool isVert = orient == wxVERTICAL;
+
+    GdkRectangle rect;
+    if ( isVert )
+    {
+        rect.x = position;
+        rect.y = 0;
+        rect.width = SASH_FULL_SIZE;
+        rect.height = size.y;
+    }
+    else // horz
+    {
+        rect.x = 0;
+        rect.y = position;
+        rect.height = SASH_FULL_SIZE;
+        rect.width = size.x;
+    }
+
+#ifdef __WXGTK20__
+    gtk_paint_handle
+    (
+        win->m_wxwindow->style,
+        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
+        GTK_SHADOW_NONE,
+        NULL /* no clipping */,
+        win->m_wxwindow,
+        "paned",
+        rect.x,
+        rect.y,
+        rect.width,
+        rect.height,
+        isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
+    );
+#else // GTK+ 1.x
+    // we must erase everything first, otherwise the garbage from the old sash
+    // is left when dragging it
+    //
+    // TODO: is this the right way to draw themed background?
+    gtk_paint_flat_box
+    (
+        win->m_wxwindow->style,
+        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        GTK_STATE_NORMAL,
+        GTK_SHADOW_NONE,
+        &rect,
+        win->m_wxwindow,
+        (char *)"base", // const_cast
+        0, 0, -1, -1
+    );
+
+
+    // leave some margin before sash itself
+    position += SASH_MARGIN / 2;
+
+    // and finally draw it using GTK paint functions
+    typedef void (*GtkPaintLineFunc)(GtkStyle *, GdkWindow *,
+                                                GtkStateType,
+                                                GdkRectangle *, GtkWidget *,
+                                                gchar *,
+                                                gint, gint, gint);
+
+    GtkPaintLineFunc func = isVert ? gtk_paint_vline : gtk_paint_hline;
+
+    (*func)
+    (
+        win->m_wxwindow->style,
+        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        GTK_STATE_NORMAL,
+        NULL,
+        win->m_wxwindow,
+        (char *)"paned", // const_cast
+        0, isVert ? size.y : size.x, position + SASH_SIZE / 2 - 1
+    );
+
+    gtk_paint_box
+    (
+        win->m_wxwindow->style,
+        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        GTK_STATE_NORMAL,
+        GTK_SHADOW_OUT,
+        (GdkRectangle*) NULL,
+        win->m_wxwindow,
+        (char *)"paned", // const_cast
+        isVert ? position : size.x - 2*SASH_SIZE,
+        isVert ? size.y - 2*SASH_SIZE : position,
+        SASH_SIZE, SASH_SIZE
+    );
+#endif // GTK+ 2.x/1.x
+}