]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/renderer.cpp
Performance optimization
[wxWidgets.git] / src / gtk / renderer.cpp
index 6661e7ff53f259fb7be6edb4bc7c1521a51c1dcd..de54e0aea2559734b5c10479cb269251780b43c4 100644 (file)
     #include "wx/window.h"
     #include "wx/dcclient.h"
     #include "wx/settings.h"
+    #include "wx/module.h"
 #endif
 
+#include "wx/gtk/dc.h"
+
 #include <gtk/gtk.h>
-#include "wx/gtk/win_gtk.h"
 
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
@@ -43,10 +45,12 @@ 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,
@@ -90,12 +94,15 @@ public:
                                        const wxRect& rect,
                                        int flags = 0);
 
+    virtual void DrawFocusRect(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?
+    class Module;
+    friend class Module;
 
-    // used by DrawHeaderButton and DrawPushButton
+private:
+    // used by DrawPushButton and DrawDropArrow
     static GtkWidget *GetButtonWidget();
 
     // used by DrawTreeItemButton()
@@ -103,12 +110,44 @@ private:
 
     // used by DrawCheckBox()
     static GtkWidget *GetCheckButtonWidget();
+
+    // Used by DrawHeaderButton
+    static GtkWidget *GetHeaderButtonWidget();
+
+    static GtkWidget* GetSplitterWidget();
+
+    // container for created widgets
+    static GtkContainer* GetContainer();
+    static GtkWidget* ms_container;
 };
 
+// Module for destroying created widgets
+class wxRendererGTK::Module: public wxModule
+{
+public:
+    virtual bool OnInit()
+    {
+        return true;
+    }
+    virtual void OnExit()
+    {
+        if (wxRendererGTK::ms_container)
+        {
+            GtkWidget* parent =
+                gtk_widget_get_parent(wxRendererGTK::ms_container);
+            gtk_widget_destroy(parent);
+        }
+    }
+    DECLARE_DYNAMIC_CLASS(wxRendererGTK::Module)
+};
+IMPLEMENT_DYNAMIC_CLASS(wxRendererGTK::Module, wxModule)
+
 // ============================================================================
 // implementation
 // ============================================================================
 
+GtkWidget* wxRendererGTK::ms_container;
+
 /* static */
 wxRendererNative& wxRendererNative::GetDefault()
 {
@@ -121,18 +160,26 @@ wxRendererNative& wxRendererNative::GetDefault()
 // helper functions
 // ----------------------------------------------------------------------------
 
+GtkContainer* wxRendererGTK::GetContainer()
+{
+    if (ms_container == NULL)
+    {
+        GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP);
+        ms_container = gtk_fixed_new();
+        gtk_container_add(GTK_CONTAINER(window), ms_container);
+    }
+    return GTK_CONTAINER(ms_container);
+}
+
 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_container_add(GetContainer(), s_button);
         gtk_widget_realize( s_button );
     }
 
@@ -143,14 +190,11 @@ GtkWidget *
 wxRendererGTK::GetCheckButtonWidget()
 {
     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_container_add(GetContainer(), s_button);
         gtk_widget_realize( s_button );
     }
 
@@ -161,46 +205,121 @@ GtkWidget *
 wxRendererGTK::GetTreeWidget()
 {
     static GtkWidget *s_tree = NULL;
-    static GtkWidget *s_window = NULL;
 
     if ( !s_tree )
     {
         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_container_add(GetContainer(), s_tree);
         gtk_widget_realize( s_tree );
     }
 
     return s_tree;
 }
 
+// used elsewhere
+GtkWidget *GetEntryWidget()
+{
+    static GtkWidget *s_entry = NULL;
+    static GtkWidget *s_window = NULL;
+
+    if ( !s_entry )
+    {
+        s_window = gtk_window_new( GTK_WINDOW_POPUP );
+        gtk_widget_realize( s_window );
+        s_entry = gtk_entry_new();
+        gtk_container_add( GTK_CONTAINER(s_window), s_entry );
+        gtk_widget_realize( s_entry );
+    }
+
+    return s_entry;
+}
+
+// This one just gets the button used by the column header.  Although it's
+// still a gtk_button the themes will typically differentiate and draw them
+// differently if the button is in a treeview.
+GtkWidget *
+wxRendererGTK::GetHeaderButtonWidget()
+{
+    static GtkWidget *s_button = NULL;
+
+    if ( !s_button )
+    {
+        // Get the dummy tree widget, give it a column, and then use the
+        // widget in the column header for the rendering code.
+        GtkWidget* treewidget = GetTreeWidget();
+        GtkTreeViewColumn*  column = gtk_tree_view_column_new();
+        gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
+        s_button = column->button;
+    }
+
+    return s_button;
+}
+
+GtkWidget* wxRendererGTK::GetSplitterWidget()
+{
+    static GtkWidget* widget;
+    if (widget == NULL)
+    {
+        widget = gtk_vpaned_new();
+        gtk_container_add(GetContainer(), widget);
+        gtk_widget_realize(widget);
+    }
+    return widget;
+}
+
 // ----------------------------------------------------------------------------
 // list/tree controls drawing
 // ----------------------------------------------------------------------------
 
-void
+int
 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
-                                int flags)
+                                int flags,
+                                wxHeaderSortIconType sortArrow,
+                                wxHeaderButtonParams* params)
 {
 
-    GtkWidget *button = GetButtonWidget();
+    GtkWidget *button = GetHeaderButtonWidget();
+
+    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 = GTK_STATE_NORMAL;
+    if (flags & wxCONTROL_DISABLED)
+        state = GTK_STATE_INSENSITIVE;
+    else
+    {
+        if (flags & wxCONTROL_CURRENT)
+            state = GTK_STATE_PRELIGHT;
+    }
 
     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.LogicalToDeviceX(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
@@ -210,23 +329,39 @@ wxRendererGTK::DrawTreeItemButton(wxWindow* win,
 {
     GtkWidget *tree = 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 )
         state = GTK_STATE_PRELIGHT;
     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
@@ -238,14 +373,10 @@ 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;
 }
@@ -256,7 +387,7 @@ wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
     // we don't draw any border, hence 0 for the second field
     return wxSplitterRenderParams
            (
-               GetGtkSplitterFullSize(),
+               GetGtkSplitterFullSize(GetSplitterWidget()),
                0,
                true     // hot sensitive
            );
@@ -285,7 +416,19 @@ 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(GetSplitterWidget());
 
     // are we drawing vertical or horizontal splitter?
     const bool isVert = orient == wxVERTICAL;
@@ -294,23 +437,19 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
 
     if ( isVert )
     {
-        int h = win->GetClientSize().GetHeight();
-
         rect.x = position;
         rect.y = 0;
         rect.width = full_size;
-        rect.height = h;
+        rect.height = size.y;
     }
     else // horz
     {
-        int w = win->GetClientSize().GetWidth();
-
         rect.x = 0;
         rect.y = position;
         rect.height = full_size;
-        rect.width = w;
+        rect.width = size.x;
     }
-    
+
     int x_diff = 0;
     if (win->GetLayoutDirection() == wxLayout_RightToLeft)
         x_diff = rect.width;
@@ -318,7 +457,7 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
     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 */,
@@ -333,7 +472,7 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
 }
 
 void
-wxRendererGTK::DrawDropArrow(wxWindow *win,
+wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
                              wxDC& dc,
                              const wxRect& rect,
                              int flags)
@@ -345,11 +484,17 @@ wxRendererGTK::DrawDropArrow(wxWindow *win,
     // 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
@@ -376,7 +521,7 @@ 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,
@@ -402,16 +547,24 @@ wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
 }
 
 void
-wxRendererGTK::DrawCheckBox(wxWindow *win,
+wxRendererGTK::DrawCheckBox(wxWindow *WXUNUSED(win),
                             wxDC& dc,
                             const wxRect& rect,
                             int flags )
 {
     GtkWidget *button = GetCheckButtonWidget();
 
-    // 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") );
 
     GtkStateType state;
 
@@ -427,7 +580,7 @@ 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,
@@ -440,16 +593,24 @@ wxRendererGTK::DrawCheckBox(wxWindow *win,
 }
 
 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)) );
+    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;
@@ -466,7 +627,7 @@ 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,
@@ -482,31 +643,89 @@ wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
                                      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") );
+
+    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,
+                         "treeview",
+                         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 );
+}