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[wxWidgets.git] / src / gtk / renderer.cpp
index b2ac87afaf6adb06a11dc3bfe0105cd1a0b786c3..a3490229d3e0f21227d95a67cee793281e2ace9d 100644 (file)
 
 #ifndef WX_PRECOMP
     #include "wx/window.h"
+    #include "wx/dcclient.h"
+    #include "wx/settings.h"
+    #include "wx/module.h"
 #endif
 
-#include <gtk/gtk.h>
-#include "wx/gtk/win_gtk.h"
-
-#include "wx/dc.h"
-#include "wx/dcclient.h"
-#include "wx/settings.h"
+#include "wx/gtk/dc.h"
+#include "wx/gtk/private.h"
 
-// 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
+#include <gtk/gtk.h>
 
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
@@ -50,10 +46,12 @@ class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
 {
 public:
     // draw the header control button (used by wxListCtrl)
-    virtual void DrawHeaderButton(wxWindow *win,
+    virtual int  DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
-                                  int flags = 0);
+                                  int flags = 0,
+                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                  wxHeaderButtonParams* params = NULL);
 
     // draw the expanded/collapsed icon for a tree control item
     virtual void DrawTreeItemButton(wxWindow *win,
@@ -97,19 +95,11 @@ public:
                                        const wxRect& rect,
                                        int flags = 0);
 
-    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
-
-private:
-    // FIXME: shouldn't we destroy these windows somewhere?
+    virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
 
-    // used by DrawHeaderButton and DrawPushButton
-    static GtkWidget *GetButtonWidget();
+    virtual wxSize GetCheckBoxSize(wxWindow *win);
 
-    // used by DrawTreeItemButton()
-    static GtkWidget *GetTreeWidget();
-
-    // used by DrawCheckBox()
-    static GtkWidget *GetCheckButtonWidget();
+    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 };
 
 // ============================================================================
@@ -125,89 +115,58 @@ wxRendererNative& wxRendererNative::GetDefault()
 }
 
 // ----------------------------------------------------------------------------
-// helper functions
+// list/tree controls drawing
 // ----------------------------------------------------------------------------
 
-GtkWidget *
-wxRendererGTK::GetButtonWidget()
-{
-    static GtkWidget *s_button = NULL;
-    static GtkWidget *s_window = 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 );
-    }
-
-    return s_button;
-}
-
-GtkWidget *
-wxRendererGTK::GetCheckButtonWidget()
+int
+wxRendererGTK::DrawHeaderButton(wxWindow *win,
+                                wxDC& dc,
+                                const wxRect& rect,
+                                int flags,
+                                wxHeaderSortIconType sortArrow,
+                                wxHeaderButtonParams* params)
 {
-    static GtkWidget *s_button = NULL;
-    static GtkWidget *s_window = NULL;
 
-    if ( !s_button )
-    {
-        s_window = gtk_window_new( GTK_WINDOW_POPUP );
-        gtk_widget_realize( s_window );
-        s_button = gtk_check_button_new();
-        gtk_container_add( GTK_CONTAINER(s_window), s_button );
-        gtk_widget_realize( s_button );
-    }
+    GtkWidget *button = wxGTKPrivate::GetHeaderButtonWidget();
 
-    return s_button;
-}
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
-GtkWidget *
-wxRendererGTK::GetTreeWidget()
-{
-    static GtkWidget *s_tree = NULL;
-    static GtkWidget *s_window = NULL;
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
 
-    if ( !s_tree )
+    GtkStateType state = GTK_STATE_NORMAL;
+    if (flags & wxCONTROL_DISABLED)
+        state = GTK_STATE_INSENSITIVE;
+    else
     {
-        s_tree = gtk_tree_view_new();
-        s_window = gtk_window_new( GTK_WINDOW_POPUP );
-        gtk_widget_realize( s_window );
-        gtk_container_add( GTK_CONTAINER(s_window), s_tree );
-        gtk_widget_realize( s_tree );
+        if (flags & wxCONTROL_CURRENT)
+            state = GTK_STATE_PRELIGHT;
     }
 
-    return s_tree;
-}
-
-// ----------------------------------------------------------------------------
-// list/tree controls drawing
-// ----------------------------------------------------------------------------
-
-void
-wxRendererGTK::DrawHeaderButton(wxWindow *win,
-                                wxDC& dc,
-                                const wxRect& rect,
-                                int flags)
-{
-
-    GtkWidget *button = GetButtonWidget();
-
     gtk_paint_box
     (
         button->style,
-        // FIXME: I suppose GTK_PIZZA(win->m_wxwindow)->bin_window doesn't work with wxMemoryDC.
-        //   Maybe use code similar as in DrawPushButton below?
-        GTK_PIZZA(win->m_wxwindow)->bin_window,
-        flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
+        gdk_window,
+        state,
         GTK_SHADOW_OUT,
         NULL,
         button,
         "button",
-        dc.XLOG2DEV(rect.x), rect.y, rect.width, rect.height
+        dc.LogicalToDeviceX(rect.x) - x_diff, rect.y, rect.width, rect.height
     );
+
+    return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
 }
 
 // draw a ">" or "v" button
@@ -215,7 +174,19 @@ void
 wxRendererGTK::DrawTreeItemButton(wxWindow* win,
                                   wxDC& dc, const wxRect& rect, int flags)
 {
-    GtkWidget *tree = GetTreeWidget();
+    GtkWidget *tree = wxGTKPrivate::GetTreeWidget();
+
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
     GtkStateType state;
     if ( flags & wxCONTROL_CURRENT )
@@ -223,17 +194,21 @@ wxRendererGTK::DrawTreeItemButton(wxWindow* win,
     else
         state = GTK_STATE_NORMAL;
 
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
+
     // VZ: I don't know how to get the size of the expander so as to centre it
     //     in the given rectangle, +2/3 below is just what looks good here...
     gtk_paint_expander
     (
         tree->style,
-        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        gdk_window,
         state,
         NULL,
         tree,
         "treeview",
-        dc.LogicalToDeviceX(rect.x) + 2,
+        dc.LogicalToDeviceX(rect.x) + 6 - x_diff,
         dc.LogicalToDeviceY(rect.y) + 3,
         flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
                                    : GTK_EXPANDER_COLLAPSED
@@ -245,14 +220,10 @@ wxRendererGTK::DrawTreeItemButton(wxWindow* win,
 // splitter sash drawing
 // ----------------------------------------------------------------------------
 
-static int GetGtkSplitterFullSize()
+static int GetGtkSplitterFullSize(GtkWidget* widget)
 {
-    static GtkWidget *s_paned = NULL;
-    if (s_paned == NULL)
-        s_paned = gtk_vpaned_new();
-
     gint handle_size;
-    gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL);
+    gtk_widget_style_get(widget, "handle_size", &handle_size, NULL);
 
     return handle_size;
 }
@@ -263,7 +234,7 @@ wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
     // we don't draw any border, hence 0 for the second field
     return wxSplitterRenderParams
            (
-               GetGtkSplitterFullSize(),
+               GetGtkSplitterFullSize(wxGTKPrivate::GetSplitterWidget()),
                0,
                true     // hot sensitive
            );
@@ -292,79 +263,55 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         return;
     }
 
-    wxCoord full_size = GetGtkSplitterFullSize();
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
+
+    wxCoord full_size = GetGtkSplitterFullSize(wxGTKPrivate::GetSplitterWidget());
 
     // 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 = 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
+        rect.height = size.y;
     }
     else // horz
     {
-        int w = win->GetClientSize().GetWidth();
-
         rect.x = 0;
         rect.y = position;
         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
+        rect.width = size.x;
     }
 
-#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,
-        NULL,
-        win->m_wxwindow,
-        (char *)"viewportbin", // const_cast
-        erase_rect.x,
-        erase_rect.y,
-        erase_rect.width,
-        erase_rect.height
-    );
-#endif
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
 
     gtk_paint_handle
     (
         win->m_wxwindow->style,
-        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        gdk_window,
         flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
         GTK_SHADOW_NONE,
         NULL /* no clipping */,
         win->m_wxwindow,
         "paned",
-        rect.x,
-        rect.y,
+        dc.LogicalToDeviceX(rect.x) - x_diff,
+        dc.LogicalToDeviceY(rect.y),
         rect.width,
         rect.height,
         isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
@@ -372,23 +319,29 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
 }
 
 void
-wxRendererGTK::DrawDropArrow(wxWindow *win,
+wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
                              wxDC& dc,
                              const wxRect& rect,
                              int flags)
 {
-    GtkWidget *button = GetButtonWidget();
+    GtkWidget *button = wxGTKPrivate::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.
-    wxWindowDC& wdc = (wxWindowDC&)dc;
-
-    // only doing debug-time checking here (it should
-    // probably be enough)
-    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
     // draw arrow so that there is even space horizontally
     // on both sides
@@ -415,7 +368,7 @@ wxRendererGTK::DrawDropArrow(wxWindow *win,
     gtk_paint_arrow
     (
         button->style,
-        wdc.m_window,
+        gdk_window,
         state,
         flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
         NULL,
@@ -440,17 +393,44 @@ wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
     DrawDropArrow(win,dc,rect);
 }
 
+wxSize
+wxRendererGTK::GetCheckBoxSize(wxWindow *WXUNUSED(win))
+{
+    gint indicator_size, indicator_spacing;
+    gtk_widget_style_get(wxGTKPrivate::GetCheckButtonWidget(),
+                         "indicator_size", &indicator_size,
+                         "indicator_spacing", &indicator_spacing,
+                         NULL);
+
+    int size = indicator_size + indicator_spacing * 2;
+    return wxSize(size, size);
+}
+
 void
-wxRendererGTK::DrawCheckBox(wxWindow *win,
+wxRendererGTK::DrawCheckBox(wxWindow *WXUNUSED(win),
                             wxDC& dc,
                             const wxRect& rect,
                             int flags )
 {
-    GtkWidget *button = GetCheckButtonWidget();
+    GtkWidget *button = wxGTKPrivate::GetCheckButtonWidget();
+
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
-    // for reason why we do this, see DrawDropArrow
-    wxWindowDC& wdc = (wxWindowDC&)dc;
-    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+    gint indicator_size, indicator_spacing;
+    gtk_widget_style_get(button,
+                         "indicator_size", &indicator_size,
+                         "indicator_spacing", &indicator_spacing,
+                         NULL);
 
     GtkStateType state;
 
@@ -466,29 +446,37 @@ wxRendererGTK::DrawCheckBox(wxWindow *win,
     gtk_paint_check
     (
         button->style,
-        wdc.m_window,
+        gdk_window,
         state,
         flags & wxCONTROL_CHECKED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
         NULL,
         button,
         "cellcheck",
-        dc.LogicalToDeviceX(rect.x)+2,
-        dc.LogicalToDeviceY(rect.y)+3,
-        13, 13
+        dc.LogicalToDeviceX(rect.x) + indicator_spacing,
+        dc.LogicalToDeviceY(rect.y) + indicator_spacing,
+        indicator_size, indicator_size
     );
 }
 
 void
-wxRendererGTK::DrawPushButton(wxWindow *win,
+wxRendererGTK::DrawPushButton(wxWindow *WXUNUSED(win),
                               wxDC& dc,
                               const wxRect& rect,
                               int flags)
 {
-    GtkWidget *button = GetButtonWidget();
-
-    // for reason why we do this, see DrawDropArrow
-    wxWindowDC& wdc = (wxWindowDC&)dc;
-    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+    GtkWidget *button = wxGTKPrivate::GetButtonWidget();
+
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
     // draw button
     GtkStateType state;
@@ -505,7 +493,7 @@ wxRendererGTK::DrawPushButton(wxWindow *win,
     gtk_paint_box
     (
         button->style,
-        wdc.m_window,
+        gdk_window,
         state,
         flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
         NULL,
@@ -521,35 +509,94 @@ wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
                                      const wxRect& rect,
                                      int flags )
 {
-    // for reason why we do this, see DrawDropArrow
-    wxWindowDC& wdc = (wxWindowDC&)dc;
-    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
+
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
 
     GtkStateType state;
     if (flags & wxCONTROL_SELECTED)
     {
-        if (flags & wxCONTROL_FOCUSED)
-            state = GTK_STATE_SELECTED;
-        else
-            state = GTK_STATE_INSENSITIVE;
+        // the wxCONTROL_FOCUSED state is deduced
+        // directly from the m_wxwindow by GTK+
+        state = GTK_STATE_SELECTED;
 
-        gtk_paint_flat_box( win->m_wxwindow->style,
-                        GTK_PIZZA(win->m_wxwindow)->bin_window,
+        gtk_paint_flat_box( win->m_widget->style,
+                        gdk_window,
                         state,
                         GTK_SHADOW_NONE,
                         NULL,
                         win->m_wxwindow,
-                        "treeview",
-                        dc.LogicalToDeviceX(rect.x),
+                        "cell_even",
+                        dc.LogicalToDeviceX(rect.x) - x_diff,
                         dc.LogicalToDeviceY(rect.y),
                         rect.width,
                         rect.height );
     }
+    else // !wxCONTROL_SELECTED
+    {
+        state = GTK_STATE_NORMAL;
+    }
 
-    if (flags & wxCONTROL_CURRENT)
+    if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED))
     {
-        dc.SetPen( *wxBLACK_PEN );
-        dc.SetBrush( *wxTRANSPARENT_BRUSH );
-        dc.DrawRectangle( rect );
+        gtk_paint_focus( win->m_widget->style,
+                         gdk_window,
+                         state,
+                         NULL,
+                         win->m_wxwindow,
+                         // Detail "treeview" causes warning with GTK+ 2.12 Clearlooks theme:
+                         // "... no property named `row-ending-details'"
+                         // Using "treeview-middle" would fix the warning, but the right
+                         // edge of the focus rect is not getting erased properly either.
+                         // Better to not specify this detail unless the drawing is fixed.
+                         NULL,
+                         dc.LogicalToDeviceX(rect.x),
+                         dc.LogicalToDeviceY(rect.y),
+                         rect.width,
+                         rect.height );
     }
 }
+
+void wxRendererGTK::DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
+{
+    GdkWindow* gdk_window = NULL;
+#if wxUSE_NEW_DC
+    wxDCImpl *impl = dc.GetImpl();
+    wxGTKDCImpl *gtk_impl = wxDynamicCast( impl, wxGTKDCImpl );
+    if (gtk_impl)
+        gdk_window = gtk_impl->GetGDKWindow();
+#else
+    gdk_window = dc.GetGDKWindow();
+#endif
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
+
+    GtkStateType state;
+    if (flags & wxCONTROL_SELECTED)
+        state = GTK_STATE_SELECTED;
+    else
+        state = GTK_STATE_NORMAL;
+
+    gtk_paint_focus( win->m_widget->style,
+                     gdk_window,
+                     state,
+                     NULL,
+                     win->m_wxwindow,
+                     NULL,
+                     dc.LogicalToDeviceX(rect.x),
+                     dc.LogicalToDeviceY(rect.y),
+                     rect.width,
+                     rect.height );
+}