]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/renderer.cpp
revert nested event loop support for wxGTK1 because it causes applications hangs
[wxWidgets.git] / src / gtk1 / renderer.cpp
index da41f34eba72863cc1405bfe749286d8263793a1..3c1f8aac68a7d0d36ef845f876f07b64eeaacba1 100644 (file)
@@ -1,12 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/renderer.cpp
+// Name:        src/gtk1/renderer.cpp
 // Purpose:     implementation of wxRendererNative for wxGTK
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     20.07.2003
-// RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// License:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
     #pragma hdrstop
 #endif
 
+#include "wx/renderer.h"
+
 #ifndef WX_PRECOMP
-#endif // WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/dc.h"
+#endif
 
 #include <gtk/gtk.h>
-#include "wx/gtk/win_gtk.h"
-
-#include "wx/window.h"
-#include "wx/dc.h"
-#include "wx/renderer.h"
-
-#ifdef __WXGTK20__
-    #include "wx/settings.h"
-#endif // GTK 2.0
+#include "wx/gtk1/win_gtk.h"
+#include "wx/gtk1/dcclient.h"
 
-#ifdef __WXGTK20__
-    #define WXUNUSED_IN_GTK1(arg) arg
-#else
-    #define WXUNUSED_IN_GTK1(arg)
-#endif
+// RR: After a correction to the orientation of the sash
+//     this doesn't seem to be required anymore and it
+//     seems to confuse some themes so USE_ERASE_RECT=0
+#define USE_ERASE_RECT 0
 
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
@@ -52,18 +47,12 @@ class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
 {
 public:
     // draw the header control button (used by wxListCtrl)
-    virtual void DrawHeaderButton(wxWindow *win,
-                                  wxDC& dc,
-                                  const wxRect& rect,
-                                  int flags = 0);
-
-#ifdef __WXGTK20__
-    // draw the expanded/collapsed icon for a tree control item
-    virtual void DrawTreeItemButton(wxWindow *win,
-                                    wxDC& dc,
-                                    const wxRect& rect,
-                                    int flags = 0);
-#endif // GTK 2.0
+    virtual int DrawHeaderButton(wxWindow *win,
+                                 wxDC& dc,
+                                 const wxRect& rect,
+                                 int flags = 0,
+                                 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                 wxHeaderButtonParams* params=NULL);
 
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,
@@ -76,7 +65,23 @@ public:
                                   wxOrientation orient,
                                   int flags = 0);
 
+    virtual void DrawComboBoxDropButton(wxWindow *win,
+                                        wxDC& dc,
+                                        const wxRect& rect,
+                                        int flags = 0);
+
+    virtual void DrawDropArrow(wxWindow *win,
+                               wxDC& dc,
+                               const wxRect& rect,
+                               int flags = 0);
+
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
+
+private:
+    // FIXME: shouldn't we destroy these windows somewhere?
+
+    // used by DrawHeaderButton and DrawComboBoxDropButton
+    static GtkWidget *GetButtonWidget();
 };
 
 // ============================================================================
@@ -92,113 +97,83 @@ wxRendererNative& wxRendererNative::GetDefault()
 }
 
 // ----------------------------------------------------------------------------
-// list/tree controls drawing
+// helper functions
 // ----------------------------------------------------------------------------
 
-void
-wxRendererGTK::DrawHeaderButton(wxWindow *win,
-                                wxDC& dc,
-                                const wxRect& rect,
-                                int flags)
+GtkWidget *
+wxRendererGTK::GetButtonWidget()
 {
-
     static GtkWidget *s_button = NULL;
     static GtkWidget *s_window = NULL;
-    if (s_button == NULL)
+
+    if ( !s_button )
     {
         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 );
+        gtk_widget_realize( s_window );
+        s_button = gtk_button_new();
+        gtk_container_add( GTK_CONTAINER(s_window), s_button );
+        gtk_widget_realize( s_button );
     }
 
+    return s_button;
+}
+
+// ----------------------------------------------------------------------------
+// list/tree controls drawing
+// ----------------------------------------------------------------------------
+
+int
+wxRendererGTK::DrawHeaderButton(wxWindow *win,
+                                wxDC& dc,
+                                const wxRect& rect,
+                                int flags,
+                                wxHeaderSortIconType WXUNUSED(sortArrow),
+                                wxHeaderButtonParams* WXUNUSED(params))
+{
+
+    GtkWidget *button = GetButtonWidget();
+
     gtk_paint_box
     (
-       s_button->style,
+        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,
+        button,
         "button",
-        dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2
+        dc.LogicalToDeviceX(rect.x) -1, rect.y -1, rect.width +2, rect.height +2
     );
-}
-
-#ifdef __WXGTK20__
-
-// draw a ">" or "v" button
-//
-// TODO: isn't there a GTK function to draw it?
-void
-wxRendererGTK::DrawTreeItemButton(wxWindow* WXUNUSED(win),
-                                  wxDC& dc, const wxRect& rect, int flags)
-{
-    dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT),
-                        wxSOLID));
-    dc.SetPen(*wxBLACK_PEN);
-    wxPoint button[3];
-
-    const wxCoord xMiddle = rect.x + rect.width/2;
-    const wxCoord yMiddle = rect.y + rect.height/2;
-
-    if ( flags & wxCONTROL_EXPANDED )
-    {
-        button[0].x = rect.GetLeft();
-        button[0].y = yMiddle - 2;
-        button[1].x = rect.GetRight();
-        button[1].y = yMiddle - 2;
-        button[2].x = xMiddle;
-        button[2].y = yMiddle + 3;
-    }
-    else // collapsed
-    {
-        button[0].y = rect.GetBottom();
-        button[0].x = xMiddle - 2;
-        button[1].y = rect.GetTop();
-        button[1].x = xMiddle - 2;
-        button[2].y = yMiddle;
-        button[2].x = xMiddle + 3;
-    }
 
-    dc.DrawPolygon(3, button);
+    return rect.width + 2;
 }
 
-#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;
+// the full sash width (should be even)
+static const wxCoord SASH_SIZE = 8;
 
-    // margin around the sash
-    static const wxCoord SASH_MARGIN = 5;
+// margin around the sash
+static const wxCoord SASH_MARGIN = 2;
 
-    // the full sash size
-    static const wxCoord SASH_FULL_SIZE = SASH_SIZE + SASH_MARGIN;
-#endif // GTK+ 2.x/1.x
+static int GetGtkSplitterFullSize()
+{
+    return SASH_SIZE + SASH_MARGIN;
+}
 
 wxSplitterRenderParams
-wxRendererGTK::GetSplitterParams(const wxWindow * WXUNUSED(win))
+wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
 {
     // we don't draw any border, hence 0 for the second field
     return wxSplitterRenderParams
            (
-               SASH_FULL_SIZE,
+               GetGtkSplitterFullSize(),
                0,
-#ifdef __WXGTK20__
-               true     // hot sensitive
-#else // GTK+ 1.x
                false    // not
-#endif // GTK+ 2.x/1.x
            );
 }
 
@@ -213,69 +188,79 @@ wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
 
 void
 wxRendererGTK::DrawSplitterSash(wxWindow *win,
-                                wxDC& dc,
+                                wxDC& WXUNUSED(dc),
                                 const wxSize& size,
                                 wxCoord position,
                                 wxOrientation orient,
-                                int WXUNUSED_IN_GTK1(flags))
+                                int WXUNUSED(flags))
 {
     if ( !win->m_wxwindow->window )
     {
-        // VZ: this happens on startup -- why?
+        // window not realized yet
         return;
     }
 
+    wxCoord full_size = GetGtkSplitterFullSize();
+
     // are we drawing vertical or horizontal splitter?
     const bool isVert = orient == wxVERTICAL;
 
     GdkRectangle rect;
+#if USE_ERASE_RECT
+    GdkRectangle erase_rect;
+#endif
+
     if ( isVert )
     {
+        int h = win->GetClientSize().GetHeight();
+
         rect.x = position;
         rect.y = 0;
-        rect.width = SASH_FULL_SIZE;
-        rect.height = size.y;
+        rect.width = full_size;
+        rect.height = h;
+
+#if USE_ERASE_RECT
+        erase_rect.x = position;
+        erase_rect.y = 0;
+        erase_rect.width = full_size;
+        erase_rect.height = h;
+#endif
     }
     else // horz
     {
+        int w = win->GetClientSize().GetWidth();
+
         rect.x = 0;
         rect.y = position;
-        rect.height = SASH_FULL_SIZE;
-        rect.width = size.x;
+        rect.height = full_size;
+        rect.width = w;
+
+#if USE_ERASE_RECT
+        erase_rect.y = position;
+        erase_rect.x = 0;
+        erase_rect.height = full_size;
+        erase_rect.width = w;
+#endif
     }
 
-#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?
+#if USE_ERASE_RECT
+    // we must erase everything first, otherwise the garbage
+    // from the old sash is left when dragging it
     gtk_paint_flat_box
     (
         win->m_wxwindow->style,
         GTK_PIZZA(win->m_wxwindow)->bin_window,
         GTK_STATE_NORMAL,
         GTK_SHADOW_NONE,
-        &rect,
+        NULL,
         win->m_wxwindow,
-        (char *)"base", // const_cast
-        0, 0, -1, -1
+        (char *)"viewportbin", // const_cast
+        erase_rect.x,
+        erase_rect.y,
+        erase_rect.width,
+        erase_rect.height
     );
+#endif
 
 
     // leave some margin before sash itself
@@ -307,13 +292,112 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         GTK_PIZZA(win->m_wxwindow)->bin_window,
         GTK_STATE_NORMAL,
         GTK_SHADOW_OUT,
-        (GdkRectangle*) NULL,
+        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
 }
 
+void
+wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
+                             wxDC& dc,
+                             const wxRect& rect,
+                             int flags)
+{
+    GtkWidget *button = GetButtonWidget();
+
+    // If we give GTK_PIZZA(win->m_wxwindow)->bin_window as
+    // a window for gtk_paint_xxx function, then it won't
+    // work for wxMemoryDC. So that is why we assume wxDC
+    // is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC
+    // are derived from it) and use its m_window.
+    wxWindowDCImpl * const impl = wxDynamicCast(dc.GetImpl(), wxWindowDCImpl);
+    wxCHECK_RET( impl, "must have a window DC" );
+
+    GdkWindow* gdk_window = impl->GetGDKWindow();
+
+    // draw arrow so that there is even space horizontally
+    // on both sides
+    int arrowX = rect.width/4 + 1;
+    int arrowWidth = rect.width - (arrowX*2);
+
+    // scale arrow's height accoording to the width
+    int arrowHeight = rect.width/3;
+    int arrowY = (rect.height-arrowHeight)/2 +
+                 ((rect.height-arrowHeight) & 1);
+
+    GtkStateType state;
+
+    if ( flags & wxCONTROL_PRESSED )
+        state = GTK_STATE_ACTIVE;
+    else if ( flags & wxCONTROL_DISABLED )
+        state = GTK_STATE_INSENSITIVE;
+    else if ( flags & wxCONTROL_CURRENT )
+        state = GTK_STATE_PRELIGHT;
+    else
+        state = GTK_STATE_NORMAL;
+
+    // draw arrow on button
+    gtk_paint_arrow
+    (
+        button->style,
+        gdk_window,
+        state,
+        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
+        NULL,
+        button,
+        "arrow",
+        GTK_ARROW_DOWN,
+        FALSE,
+        rect.x + arrowX,
+        rect.y + arrowY,
+        arrowWidth,
+        arrowHeight
+    );
+}
+
+void
+wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
+                                      wxDC& dc,
+                                      const wxRect& rect,
+                                      int flags)
+{
+    GtkWidget *button = GetButtonWidget();
+
+    // for reason why we do this, see DrawDropArrow
+    wxWindowDCImpl * const impl = wxDynamicCast(dc.GetImpl(), wxWindowDCImpl);
+    wxCHECK_RET( impl, "must have a window DC" );
+
+    GdkWindow* gdk_window = impl->GetGDKWindow();
+
+    // draw button
+    GtkStateType state;
+
+    if ( flags & wxCONTROL_PRESSED )
+        state = GTK_STATE_ACTIVE;
+    else if ( flags & wxCONTROL_DISABLED )
+        state = GTK_STATE_INSENSITIVE;
+    else if ( flags & wxCONTROL_CURRENT )
+        state = GTK_STATE_PRELIGHT;
+    else
+        state = GTK_STATE_NORMAL;
+
+    gtk_paint_box
+    (
+        button->style,
+        gdk_window,
+        state,
+        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
+        NULL,
+        button,
+        "button",
+        rect.x, rect.y, rect.width, rect.height
+    );
+
+    // draw arrow on button
+    DrawDropArrow(win,dc,rect,flags);
+
+}