Initialize m_privData before doign the assignment

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

diff --git a/src/gtk1/renderer.cpp b/src/gtk1/renderer.cpp
index 2c16c49654e11a333e0c9771033f915235f8efe0..baae5fe61b97754719016c66e988255302c6e898 100644 (file)
--- a/src/gtk1/renderer.cpp
+++ b/src/gtk1/renderer.cpp
@@ -6,7 +6,7 @@
 // Created:     20.07.2003
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
 // Created:     20.07.2003
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>

-// License:     wxWindows license
+// License:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -24,20 +24,24 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

-#ifndef WX_PRECOMP
-#endif // WX_PRECOMP
-
+#include "wx/renderer.h"

 #include <gtk/gtk.h>
 #include "wx/gtk/win_gtk.h"
 
 #include "wx/window.h"
 #include "wx/dc.h"
 #include <gtk/gtk.h>
 #include "wx/gtk/win_gtk.h"
 
 #include "wx/window.h"
 #include "wx/dc.h"

-#include "wx/renderer.h"
+#include "wx/dcclient.h"

 
 #ifdef __WXGTK20__
     #include "wx/settings.h"
 #endif // GTK 2.0
 
 
 #ifdef __WXGTK20__
     #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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
 // ----------------------------------------------------------------------------


@@ -57,17 +61,36 @@ public:
                                     wxDC& dc,
                                     const wxRect& rect,
                                     int flags = 0);
                                     wxDC& dc,
                                     const wxRect& rect,
                                     int flags = 0);

-#endif // GTK 2.0
+#endif // GTK+ 2.0

 
 

-    // draw a (vertical) sash
-    //
-    // VZ: doesn't work -- nothing is shown on screen, why?
-#if 0
+    virtual void DrawSplitterBorder(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    int flags = 0);

     virtual void DrawSplitterSash(wxWindow *win,
                                   wxDC& dc,
                                   const wxSize& size,
     virtual void DrawSplitterSash(wxWindow *win,
                                   wxDC& dc,
                                   const wxSize& size,

-                                  wxCoord position);
-#endif // 0
+                                  wxCoord position,
+                                  wxOrientation orient,
+                                  int flags = 0);
+
+    virtual void DrawComboBoxDropButton(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();
+
+#ifdef __WXGTK20__
+    // used by DrawTreeItemButton()
+    static GtkWidget *GetTreeWidget();
+#endif // GTK+ 2.0

 };
 
 // ============================================================================
 };
 
 // ============================================================================


@@ -75,111 +98,338 @@ public:
 // ============================================================================
 
 /* static */
 // ============================================================================
 
 /* static */

-wxRendererNative& wxRendererNative::Get()
+wxRendererNative& wxRendererNative::GetDefault()

 {
     static wxRendererGTK s_rendererGTK;
 
     return s_rendererGTK;
 }
 
 {
     static wxRendererGTK s_rendererGTK;
 
     return s_rendererGTK;
 }
 

+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+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;
+}
+
+#ifdef __WXGTK20__
+
+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_widget_realize( s_tree );
+    }
+
+    return s_tree;
+}
+
+#endif // GTK+ 2.0
+
+// ----------------------------------------------------------------------------
+// list/tree controls drawing
+// ----------------------------------------------------------------------------
+

 void
 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
                                 int flags)
 {
 void
 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
                                 int flags)
 {

+
+    GtkWidget *button = GetButtonWidget();
+

     gtk_paint_box
     (
     gtk_paint_box
     (

-        win->m_wxwindow->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,
         GTK_PIZZA(win->m_wxwindow)->bin_window,
         flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
         GTK_SHADOW_OUT,

-        (GdkRectangle*) NULL,
-        win->m_wxwindow,
-        (char *)"button", // const_cast
-        dc.XLOG2DEV(rect.x) - 1, rect.y - 1, rect.width + 2, rect.height + 2
+        NULL,
+        button,
+        "button",
+        dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2

     );
 }
 
 #ifdef __WXGTK20__
 
 // draw a ">" or "v" button
     );
 }
 
 #ifdef __WXGTK20__
 
 // draw a ">" or "v" button

-//
-// TODO: isn't there a GTK function to draw it?

 void
 void

-wxRendererGTK::DrawTreeItemButton(wxWindow* WXUNUSED(win),
+wxRendererGTK::DrawTreeItemButton(wxWindow* win,

                                   wxDC& dc, const wxRect& rect, int flags)
 {
                                   wxDC& dc, const wxRect& rect, int flags)
 {

-    dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT),
-                        wxSOLID));
-    dc.SetPen(*wxBLACK_PEN);
-    wxPoint button[3];
+    GtkWidget *tree = GetTreeWidget();
+
+    GtkStateType state;
+    if ( flags & wxCONTROL_CURRENT )
+        state = GTK_STATE_PRELIGHT;
+    else
+        state = GTK_STATE_NORMAL;
+        
+    // 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,
+        state,
+        NULL,
+        tree,
+        "treeview",
+        dc.LogicalToDeviceX(rect.x) + 2,
+        dc.LogicalToDeviceY(rect.y) + 3,
+        flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
+                                   : GTK_EXPANDER_COLLAPSED
+    );
+}

 
 

-    const wxCoord xMiddle = rect.x + rect.width/2;
-    const wxCoord yMiddle = rect.y + rect.height/2;
+#endif // GTK+ 2.0

 
 

-    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;
-    }
+// ----------------------------------------------------------------------------
+// splitter sash drawing
+// ----------------------------------------------------------------------------

 
 

-    dc.DrawPolygon(3, button);
+#ifndef __WXGTK20__
+    // the full sash width (should be even)
+    static const wxCoord SASH_SIZE = 8;
+
+    // margin around the sash
+    static const wxCoord SASH_MARGIN = 2;
+#endif // GTK+ 2.x/1.x
+
+static int GetGtkSplitterFullSize()
+{
+#ifdef __WXGTK20__
+    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);
+      
+    return handle_size;
+#else
+    return SASH_SIZE + SASH_MARGIN;
+#endif

 }
 
 }
 

-#endif // GTK 2.0
+wxSplitterRenderParams
+wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
+{
+    // we don't draw any border, hence 0 for the second field
+    return wxSplitterRenderParams
+           (
+               GetGtkSplitterFullSize(),
+               0,
+#ifdef __WXGTK20__
+               true     // hot sensitive
+#else // GTK+ 1.x
+               false    // not
+#endif // GTK+ 2.x/1.x
+           );
+}

 
 

-#if 0
+void
+wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
+                                  wxDC& WXUNUSED(dc),
+                                  const wxRect& WXUNUSED(rect),
+                                  int WXUNUSED(flags))
+{
+    // nothing to do
+}

 
 

-// draw a (vertical) sash

 void
 wxRendererGTK::DrawSplitterSash(wxWindow *win,
                                 wxDC& dc,
                                 const wxSize& size,
 void
 wxRendererGTK::DrawSplitterSash(wxWindow *win,
                                 wxDC& dc,
                                 const wxSize& size,

-                                wxCoord position)
+                                wxCoord position,
+                                wxOrientation orient,
+                                int WXUNUSED_IN_GTK1(flags))

 {
     if ( !win->m_wxwindow->window )
     {
 {
     if ( !win->m_wxwindow->window )
     {

-        // VZ: this happens on startup -- why?
+        // window not realized yet

         return;
     }
         return;
     }

+    
+    wxCoord full_size = GetGtkSplitterFullSize();
+
+    // are we drawing vertical or horizontal splitter?
+    const bool isVert = orient == wxVERTICAL;

 
 

-    gtk_paint_vline
+    GdkRectangle rect;
+    GdkRectangle erase_rect;
+    if ( isVert )
+    {
+        int h = win->GetClientSize().GetHeight();
+
+        rect.x = position;
+        rect.y = 0;
+        rect.width = full_size;
+        rect.height = h;
+
+        erase_rect.x = position;
+        erase_rect.y = 0;
+        erase_rect.width = full_size;
+        erase_rect.height = h;
+    }
+    else // horz
+    {
+        int w = win->GetClientSize().GetWidth();
+
+        rect.x = 0;
+        rect.y = position;
+        rect.height = full_size;
+        rect.width = w;
+
+        erase_rect.y = position;
+        erase_rect.x = 0;
+        erase_rect.height = full_size;
+        erase_rect.width = w;
+    }
+
+#if 0
+    // 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
+
+    // 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,
     (
         win->m_wxwindow->style,

-        win->m_wxwindow->window,
+        GTK_PIZZA(win->m_wxwindow)->bin_window,

         GTK_STATE_NORMAL,
         GTK_STATE_NORMAL,

-        (GdkRectangle *)NULL,
+        GTK_SHADOW_NONE,
+        NULL,

         win->m_wxwindow,
         win->m_wxwindow,

-        (char *)"vpaned", // const_cast
-        0, size.y, position + 3
+        (char *)"viewportbin", // const_cast
+        erase_rect.x,
+        erase_rect.y,
+        erase_rect.width,
+        erase_rect.height
+    );
+#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
+
+    // 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_paint_box
     (
         win->m_wxwindow->style,

-        win->m_wxwindow->window,
+        GTK_PIZZA(win->m_wxwindow)->bin_window,

         GTK_STATE_NORMAL,
         GTK_SHADOW_OUT,
         GTK_STATE_NORMAL,
         GTK_SHADOW_OUT,

-        (GdkRectangle *)NULL,
+        (GdkRectangle*) NULL,

         win->m_wxwindow,
         (char *)"paned", // const_cast
         win->m_wxwindow,
         (char *)"paned", // const_cast

-        position, 5, 10, 10
+        isVert ? position : size.x - 2*SASH_SIZE,
+        isVert ? size.y - 2*SASH_SIZE : position,
+        SASH_SIZE, SASH_SIZE

     );
     );

+#endif // GTK+ 2.x/1.x

 }
 
 }
 

-#endif // 0
+void wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
+                                            wxDC& dc,
+                                            const wxRect& rect,
+                                            int flags)
+{
+    GtkWidget *button = GetButtonWidget();
+
+    // 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;
+
+    if ( flags & wxCONTROL_CURRENT )
+        state = GTK_STATE_PRELIGHT;
+    else if ( flags & wxCONTROL_DISABLED )
+        state = GTK_STATE_INSENSITIVE;
+    else
+        state = GTK_STATE_NORMAL;
+
+    // draw arrow on button
+    gtk_paint_arrow
+    (
+        button->style,
+        wdc.m_window,
+        state,
+        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
+        NULL,
+        button,
+        "arrow",
+        GTK_ARROW_DOWN,
+        FALSE,
+        rect.x + 1, rect.y + 1, rect.width - 2, rect.height - 2
+    );
+}