trying to resolve GSocketManager API mess: the meaning of Install/Uninstall_Callback...

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

diff --git a/src/gtk/renderer.cpp b/src/gtk/renderer.cpp
index 77eee2e2fb98e9a22ed00e45faf9b0f70374d092..a3490229d3e0f21227d95a67cee793281e2ace9d 100644 (file)
--- a/src/gtk/renderer.cpp
+++ b/src/gtk/renderer.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        gtk/renderer.cpp
-// Purpose:     implementation of wxRendererBase for wxGTK
+// Name:        src/gtk/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>
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     20.07.2003
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>

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

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


@@ -24,35 +24,82 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#include "wx/renderer.h"
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-#endif // 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/gtk/dc.h"
+#include "wx/gtk/private.h"

 
 

-#include "wx/renderer.h"
+#include <gtk/gtk.h>

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// wxRendererGTK: our wxRendererBase implementation
+// wxRendererGTK: our wxRendererNative implementation

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererBase
+class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative

 {
 public:
     // draw the header control button (used by wxListCtrl)
 {
 public:
     // draw the header control button (used by wxListCtrl)

-    virtual void DrawHeaderButton(wxWindow *win,
+    virtual int  DrawHeaderButton(wxWindow *win,

                                   wxDC& dc,
                                   const wxRect& rect,
                                   wxDC& dc,
                                   const wxRect& rect,

-                                  int flags = 0);
+                                  int flags = 0,
+                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                  wxHeaderButtonParams* params = NULL);

 
 

-#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);
     // 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 void DrawSplitterBorder(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    int flags = 0);
+    virtual void DrawSplitterSash(wxWindow *win,
+                                  wxDC& dc,
+                                  const wxSize& size,
+                                  wxCoord position,
+                                  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 void DrawCheckBox(wxWindow *win,
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int flags = 0);
+
+    virtual void DrawPushButton(wxWindow *win,
+                                wxDC& dc,
+                                const wxRect& rect,
+                                int flags = 0);
+
+    virtual void DrawItemSelectionRect(wxWindow *win,
+                                       wxDC& dc,
+                                       const wxRect& rect,
+                                       int flags = 0);
+
+    virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
+
+    virtual wxSize GetCheckBoxSize(wxWindow *win);
+
+    virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);

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


@@ -60,68 +107,496 @@ public:
 // ============================================================================
 
 /* static */
 // ============================================================================
 
 /* static */

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

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

-void
+// ----------------------------------------------------------------------------
+// list/tree controls drawing
+// ----------------------------------------------------------------------------
+
+int

 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,

-                                int flags)
+                                int flags,
+                                wxHeaderSortIconType sortArrow,
+                                wxHeaderButtonParams* params)

 {
 {

+
+    GtkWidget *button = wxGTKPrivate::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
     (
     gtk_paint_box
     (

-        win->m_wxwindow->style,
-        GTK_PIZZA(win->m_wxwindow)->bin_window,
-        flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
+        button->style,
+        gdk_window,
+        state,

         GTK_SHADOW_OUT,
         GTK_SHADOW_OUT,

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

     );
     );

-}

 
 

-#ifdef __WXGTK20__
+    return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
+}

 
 // draw a ">" or "v" button
 
 // draw a ">" or "v" button

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

 void
 void

-wxRendererGTK::DrawTreeItemButton(wxDC& dc, const wxRect& rect, int flags)
+wxRendererGTK::DrawTreeItemButton(wxWindow* win,
+                                  wxDC& dc, const wxRect& rect, int flags)
+{
+    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 )
+        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,
+        gdk_window,
+        state,
+        NULL,
+        tree,
+        "treeview",
+        dc.LogicalToDeviceX(rect.x) + 6 - x_diff,
+        dc.LogicalToDeviceY(rect.y) + 3,
+        flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
+                                   : GTK_EXPANDER_COLLAPSED
+    );
+}
+
+
+// ----------------------------------------------------------------------------
+// splitter sash drawing
+// ----------------------------------------------------------------------------
+
+static int GetGtkSplitterFullSize(GtkWidget* widget)

 {
 {

-    dc.SetBrush(*m_hilightBrush);
-    dc.SetPen(*wxBLACK_PEN);
-    wxPoint button[3];
+    gint handle_size;
+    gtk_widget_style_get(widget, "handle_size", &handle_size, NULL);

 
 

-    const wxCoord xMiddle = rect.x + rect.width/2;
-    const wxCoord yMiddle = rect.y + rect.height/2;
+    return handle_size;
+}

 
 

-    if ( flags & wxCONTROL_EXPANDED )
+wxSplitterRenderParams
+wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win))
+{
+    // we don't draw any border, hence 0 for the second field
+    return wxSplitterRenderParams
+           (
+               GetGtkSplitterFullSize(wxGTKPrivate::GetSplitterWidget()),
+               0,
+               true     // hot sensitive
+           );
+}
+
+void
+wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
+                                  wxDC& WXUNUSED(dc),
+                                  const wxRect& WXUNUSED(rect),
+                                  int WXUNUSED(flags))
+{
+    // nothing to do
+}
+
+void
+wxRendererGTK::DrawSplitterSash(wxWindow *win,
+                                wxDC& dc,
+                                const wxSize& size,
+                                wxCoord position,
+                                wxOrientation orient,
+                                int flags)
+{
+    if ( !win->m_wxwindow->window )

     {
     {

-        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;
+        // window not realized yet
+        return;

     }
     }

-    else // collapsed
+
+    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 ( isVert )

     {
     {

-        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;
+        rect.x = position;
+        rect.y = 0;
+        rect.width = full_size;
+        rect.height = size.y;

     }
     }

+    else // horz
+    {
+        rect.x = 0;
+        rect.y = position;
+        rect.height = full_size;
+        rect.width = size.x;
+    }
+
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;

 
 

-    dc.DrawPolygon(3, button);
+    gtk_paint_handle
+    (
+        win->m_wxwindow->style,
+        gdk_window,
+        flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL,
+        GTK_SHADOW_NONE,
+        NULL /* no clipping */,
+        win->m_wxwindow,
+        "paned",
+        dc.LogicalToDeviceX(rect.x) - x_diff,
+        dc.LogicalToDeviceY(rect.y),
+        rect.width,
+        rect.height,
+        isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
+    );

 }
 
 }
 

-#endif // GTK 2.0
+void
+wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
+                             wxDC& dc,
+                             const wxRect& rect,
+                             int flags)
+{
+    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.
+    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
+    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)
+{
+    DrawPushButton(win,dc,rect,flags);
+    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 *WXUNUSED(win),
+                            wxDC& dc,
+                            const wxRect& rect,
+                            int flags )
+{
+    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") );
+
+    gint indicator_size, indicator_spacing;
+    gtk_widget_style_get(button,
+                         "indicator_size", &indicator_size,
+                         "indicator_spacing", &indicator_spacing,
+                         NULL);
+
+    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_check
+    (
+        button->style,
+        gdk_window,
+        state,
+        flags & wxCONTROL_CHECKED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
+        NULL,
+        button,
+        "cellcheck",
+        dc.LogicalToDeviceX(rect.x) + indicator_spacing,
+        dc.LogicalToDeviceY(rect.y) + indicator_spacing,
+        indicator_size, indicator_size
+    );
+}
+
+void
+wxRendererGTK::DrawPushButton(wxWindow *WXUNUSED(win),
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int flags)
+{
+    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;
+
+    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
+    );
+}
+
+void
+wxRendererGTK::DrawItemSelectionRect(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") );
+
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
+
+    GtkStateType state;
+    if (flags & wxCONTROL_SELECTED)
+    {
+        // the wxCONTROL_FOCUSED state is deduced
+        // directly from the m_wxwindow by GTK+
+        state = GTK_STATE_SELECTED;
+
+        gtk_paint_flat_box( win->m_widget->style,
+                        gdk_window,
+                        state,
+                        GTK_SHADOW_NONE,
+                        NULL,
+                        win->m_wxwindow,
+                        "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) && (flags & wxCONTROL_FOCUSED))
+    {
+        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 );
+}