X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e7846404f72367e5297503a25d5c8a79e74dc6ac..964f23b70eb72fe6f35b6cfe0b5642408239b4d6:/src/gtk/renderer.cpp

diff --git a/src/gtk/renderer.cpp b/src/gtk/renderer.cpp
index 61a6b73165..e950dbe248 100644
--- a/src/gtk/renderer.cpp
+++ b/src/gtk/renderer.cpp
@@ -30,6 +30,7 @@
 
 #include "wx/window.h"
 #include "wx/dc.h"
+#include "wx/dcclient.h"
 
 #ifdef __WXGTK20__
     #include "wx/settings.h"
@@ -48,6 +49,10 @@
 class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
 {
 public:
+
+    // used by DrawHeaderButton and DrawComboBoxDropButton
+    void PrepareButtonDraw();
+
     // draw the header control button (used by wxListCtrl)
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
@@ -73,6 +78,11 @@ public:
                                   wxOrientation orient,
                                   int flags = 0);
 
+    virtual void DrawComboBoxDropButton(wxWindow *win,
+                                        wxDC& dc,
+                                        const wxRect& rect,
+                                        int flags = 0);
+
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 };
 
@@ -88,6 +98,27 @@ wxRendererNative& wxRendererNative::GetDefault()
     return s_rendererGTK;
 }
 
+// ----------------------------------------------------------------------------
+// common code
+// ----------------------------------------------------------------------------
+
+static GtkWidget *gs_button = NULL;
+static GtkWidget *gs_window = NULL;
+
+void
+wxRendererGTK::PrepareButtonDraw()
+{
+    // prepares gs_button and gs_window which are used when
+    // drawing button based elements.
+    wxASSERT ( !gs_button );
+
+    gs_window = gtk_window_new( GTK_WINDOW_POPUP );
+    gtk_widget_realize( gs_window );
+    gs_button = gtk_button_new();
+    gtk_container_add( GTK_CONTAINER(gs_window), gs_button );
+    gtk_widget_realize( gs_button );
+}
+
 // ----------------------------------------------------------------------------
 // list/tree controls drawing
 // ----------------------------------------------------------------------------
@@ -99,25 +130,19 @@ wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 int flags)
 {
 
-    static GtkWidget *s_button = NULL;
-    static GtkWidget *s_window = NULL;
-    if (s_button == NULL)
-    {
-        s_window = gtk_window_new( GTK_WINDOW_POPUP );
-    gtk_widget_realize( s_window );
-    s_button = gtk_button_new();
-    gtk_container_add( GTK_CONTAINER(s_window), s_button );
-    gtk_widget_realize( s_button );
-    }
+    if (gs_button == NULL)
+        PrepareButtonDraw();
 
     gtk_paint_box
     (
-    s_button->style,
+        gs_button->style,
+        // FIXME: I suppose GTK_PIZZA(win->m_wxwindow)->bin_window doesn't work with wxMemoryDC.
+        //   Maybe use code similar as in DrawComboBoxDropButton below?
         GTK_PIZZA(win->m_wxwindow)->bin_window,
         flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
         GTK_SHADOW_OUT,
-    NULL,
-        s_button,
+        NULL,
+        gs_button,
         "button",
         dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2
     );
@@ -342,3 +367,68 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
 #endif // GTK+ 2.x/1.x
 }
 
+void wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
+                                            wxDC& dc,
+                                            const wxRect& rect,
+                                            int flags)
+{
+    if (gs_button == NULL)
+        PrepareButtonDraw();
+
+    // device context must inherit from wxWindowDC
+    // (so it must be wxClientDC, wxMemoryDC or wxPaintDC)
+    wxWindowDC& wdc = (wxWindowDC&)dc;
+
+    // only doing debug-time checking here (it should probably be enough)
+    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+
+    GtkStateType state = GTK_STATE_NORMAL;
+    GtkShadowType shadow = GTK_SHADOW_OUT;
+
+    if ( flags & wxCONTROL_PRESSED )
+        shadow = GTK_SHADOW_IN;
+    else if ( flags & wxCONTROL_CURRENT )
+        state = GTK_STATE_PRELIGHT;
+    else if ( flags & wxCONTROL_DISABLED )
+        state = GTK_STATE_INSENSITIVE;
+
+    gtk_paint_box
+    (
+        gs_button->style,
+        //GTK_PIZZA(wdc->m_window)->bin_window,
+        wdc.m_window,
+        state,
+        shadow,
+        NULL,
+        gs_button,
+        "button",
+        dc.XLOG2DEV(rect.x), rect.y, rect.width, rect.height
+    );
+
+    // draw arrow on button
+
+    int arr_wid = rect.width/2;
+    int arr_hei = rect.height/2;
+    arr_wid += arr_wid & 1;
+    arr_hei += arr_hei & 1;
+
+    gtk_paint_arrow
+    (
+        gs_button->style,
+        //GTK_PIZZA(wdc->m_window)->bin_window,
+        wdc.m_window,
+        state,
+        shadow,
+        NULL,
+        gs_button,
+        "arrow",
+        GTK_ARROW_DOWN,
+        TRUE,
+        dc.XLOG2DEV(rect.x) + (rect.width/2-arr_wid/2) + 1,
+        rect.y + (rect.height/2-arr_hei/2) + 1,
+        arr_wid,
+        arr_hei
+    );
+
+}
+