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[wxWidgets.git] / src / gtk / renderer.cpp
index 1094858d740a7d4ca58cf503d3f9e3d0405d31e6..2c8c94ee1e4a269ad02aa70eb7ead03b8ff97330 100644 (file)
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/renderer.cpp
+// Name:        src/gtk/renderer.cpp
 // Purpose:     implementation of wxRendererNative for wxGTK
 // Author:      Vadim Zeitlin
 // Modified by:
 #endif
 
 #include "wx/renderer.h"
-#include <gtk/gtk.h>
-#include "wx/gtk/win_gtk.h"
-
-#include "wx/window.h"
-#include "wx/dc.h"
-#include "wx/dcclient.h"
 
-#ifdef __WXGTK20__
+#ifndef WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/dcclient.h"
     #include "wx/settings.h"
-#endif // GTK 2.0
-
-#ifdef __WXGTK20__
-    #define WXUNUSED_IN_GTK1(arg) arg
-#else
-    #define WXUNUSED_IN_GTK1(arg)
 #endif
 
+#include <gtk/gtk.h>
+#include "wx/gtk/win_gtk.h"
+
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
 // ----------------------------------------------------------------------------
@@ -53,15 +46,15 @@ public:
     virtual void DrawHeaderButton(wxWindow *win,
                                   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);
-#endif // GTK+ 2.0
 
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,
@@ -79,18 +72,39 @@ public:
                                         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 wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 
 private:
     // FIXME: shouldn't we destroy these windows somewhere?
 
-    // used by DrawHeaderButton and DrawComboBoxDropButton
+    // used by DrawHeaderButton and DrawPushButton
     static GtkWidget *GetButtonWidget();
 
-#ifdef __WXGTK20__
     // used by DrawTreeItemButton()
     static GtkWidget *GetTreeWidget();
-#endif // GTK+ 2.0
+
+    // used by DrawCheckBox()
+    static GtkWidget *GetCheckButtonWidget();
 };
 
 // ============================================================================
@@ -127,7 +141,23 @@ wxRendererGTK::GetButtonWidget()
     return s_button;
 }
 
-#ifdef __WXGTK20__
+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_widget_realize( s_button );
+    }
+
+    return s_button;
+}
 
 GtkWidget *
 wxRendererGTK::GetTreeWidget()
@@ -147,8 +177,6 @@ wxRendererGTK::GetTreeWidget()
     return s_tree;
 }
 
-#endif // GTK+ 2.0
-
 // ----------------------------------------------------------------------------
 // list/tree controls drawing
 // ----------------------------------------------------------------------------
@@ -157,27 +185,33 @@ void
 wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
-                                int flags)
+                                int flags,
+                                wxHeaderSortIconType sortArrow,
+                                wxHeaderButtonParams* params)
 {
 
     GtkWidget *button = GetButtonWidget();
 
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
+        
     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 DrawComboBoxDropButton below?
+        //   Maybe use code similar as in DrawPushButton below?
         GTK_PIZZA(win->m_wxwindow)->bin_window,
         flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL,
         GTK_SHADOW_OUT,
         NULL,
         button,
         "button",
-        dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2
+        dc.LogicalToDeviceX(rect.x) - x_diff, rect.y, rect.width, rect.height
     );
-}
 
-#ifdef __WXGTK20__
+    DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
+}
 
 // draw a ">" or "v" button
 void
@@ -186,57 +220,59 @@ wxRendererGTK::DrawTreeItemButton(wxWindow* win,
 {
     GtkWidget *tree = GetTreeWidget();
 
+    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,
-        GTK_STATE_NORMAL,
+        state,
         NULL,
         tree,
         "treeview",
-        dc.LogicalToDeviceX(rect.x) + 2,
+        dc.LogicalToDeviceX(rect.x) + 2 - x_diff,
         dc.LogicalToDeviceY(rect.y) + 3,
         flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED
                                    : GTK_EXPANDER_COLLAPSED
     );
 }
 
-#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 = 8;
+static int GetGtkSplitterFullSize()
+{
+    static GtkWidget *s_paned = NULL;
+    if (s_paned == NULL)
+        s_paned = gtk_vpaned_new();
 
-    // margin around the sash
-    static const wxCoord SASH_MARGIN = 2;
+    gint handle_size;
+    gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL);
 
-    // the full sash size
-    static const wxCoord SASH_FULL_SIZE = SASH_SIZE + SASH_MARGIN;
-#endif // GTK+ 2.x/1.x
+    return handle_size;
+}
 
 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
            );
 }
 
@@ -255,7 +291,7 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
                                 const wxSize& size,
                                 wxCoord position,
                                 wxOrientation orient,
-                                int WXUNUSED_IN_GTK1(flags))
+                                int flags)
 {
     if ( !win->m_wxwindow->window )
     {
@@ -263,24 +299,21 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         return;
     }
 
+    wxCoord full_size = GetGtkSplitterFullSize();
+
     // are we drawing vertical or horizontal splitter?
     const bool isVert = orient == wxVERTICAL;
 
     GdkRectangle rect;
-    GdkRectangle erase_rect;
+
     if ( isVert )
     {
         int h = win->GetClientSize().GetHeight();
 
         rect.x = position;
         rect.y = 0;
-        rect.width = SASH_FULL_SIZE;
+        rect.width = full_size;
         rect.height = h;
-
-        erase_rect.x = position;
-        erase_rect.y = 0;
-        erase_rect.width = SASH_FULL_SIZE;
-        erase_rect.height = h;
     }
     else // horz
     {
@@ -288,35 +321,14 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
 
         rect.x = 0;
         rect.y = position;
-        rect.height = SASH_FULL_SIZE;
+        rect.height = full_size;
         rect.width = w;
-
-        erase_rect.y = position;
-        erase_rect.x = 0;
-        erase_rect.height = SASH_FULL_SIZE;
-        erase_rect.width = w;
     }
+    
+    int x_diff = 0;
+    if (win->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_diff = rect.width;
 
-    // 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?
-    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 *)"base", // const_cast
-        erase_rect.x,
-        erase_rect.y,
-        erase_rect.width,
-        erase_rect.height
-    );
-
-#ifdef __WXGTK20__
     gtk_paint_handle
     (
         win->m_wxwindow->style,
@@ -326,78 +338,146 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         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
+        isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL
     );
-#else // GTK+ 1.x
+}
 
-    // leave some margin before sash itself
-    position += SASH_MARGIN / 2;
+void
+wxRendererGTK::DrawDropArrow(wxWindow *win,
+                             wxDC& dc,
+                             const wxRect& rect,
+                             int flags)
+{
+    GtkWidget *button = GetButtonWidget();
 
-    // and finally draw it using GTK paint functions
-    typedef void (*GtkPaintLineFunc)(GtkStyle *, GdkWindow *,
-                                                GtkStateType,
-                                                GdkRectangle *, GtkWidget *,
-                                                gchar *,
-                                                gint, gint, gint);
+    // 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)) );
+
+    // draw arrow so that there is even space horizontally
+    // on both sides
+    int arrowX = rect.width/4 + 1;
+    int arrowWidth = rect.width - (arrowX*2);
 
-    GtkPaintLineFunc func = isVert ? gtk_paint_vline : gtk_paint_hline;
+    // scale arrow's height accoording to the width
+    int arrowHeight = rect.width/3;
+    int arrowY = (rect.height-arrowHeight)/2 +
+                 ((rect.height-arrowHeight) & 1);
 
-    (*func)
+    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
     (
-        win->m_wxwindow->style,
-        GTK_PIZZA(win->m_wxwindow)->bin_window,
-        GTK_STATE_NORMAL,
+        button->style,
+        wdc.m_window,
+        state,
+        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
         NULL,
-        win->m_wxwindow,
-        (char *)"paned", // const_cast
-        0, isVert ? size.y : size.x, position + SASH_SIZE / 2 - 1
+        button,
+        "arrow",
+        GTK_ARROW_DOWN,
+        FALSE,
+        rect.x + arrowX,
+        rect.y + arrowY,
+        arrowWidth,
+        arrowHeight
     );
+}
 
-    gtk_paint_box
+void
+wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
+                                      wxDC& dc,
+                                      const wxRect& rect,
+                                      int flags)
+{
+    DrawPushButton(win,dc,rect,flags);
+    DrawDropArrow(win,dc,rect);
+}
+
+void
+wxRendererGTK::DrawCheckBox(wxWindow *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)) );
+
+    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
     (
-        win->m_wxwindow->style,
-        GTK_PIZZA(win->m_wxwindow)->bin_window,
-        GTK_STATE_NORMAL,
-        GTK_SHADOW_OUT,
-        (GdkRectangle*) 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
+        button->style,
+        wdc.m_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
     );
-#endif // GTK+ 2.x/1.x
 }
 
-void wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
-                                            wxDC& dc,
-                                            const wxRect& rect,
-                                            int flags)
+void
+wxRendererGTK::DrawPushButton(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)
+    // for reason why we do this, see DrawDropArrow
     wxWindowDC& wdc = (wxWindowDC&)dc;
-
-    // only doing debug-time checking here (it should probably be enough)
     wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
 
+    // draw button
     GtkStateType state;
 
-    if ( flags & wxCONTROL_CURRENT )
-        state = GTK_STATE_PRELIGHT;
+    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
+    gtk_paint_box
     (
         button->style,
         wdc.m_window,
@@ -405,10 +485,42 @@ void wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
         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
+        "button",
+        rect.x, rect.y, rect.width, rect.height
     );
 }
 
+void
+wxRendererGTK::DrawItemSelectionRect(wxWindow *win,
+                                     wxDC& dc,
+                                     const wxRect& rect,
+                                     int flags )
+{
+    GtkStateType state;
+    if (flags & wxCONTROL_SELECTED)
+    {
+        if (flags & wxCONTROL_FOCUSED)
+            state = GTK_STATE_SELECTED;
+        else
+            state = GTK_STATE_INSENSITIVE;
+
+        gtk_paint_flat_box( win->m_wxwindow->style,
+                        GTK_PIZZA(win->m_wxwindow)->bin_window,
+                        state,
+                        GTK_SHADOW_NONE,
+                        NULL,
+                        win->m_wxwindow,
+                        "treeview",
+                        dc.LogicalToDeviceX(rect.x),
+                        dc.LogicalToDeviceY(rect.y),
+                        rect.width,
+                        rect.height );
+    }
+
+    if (flags & wxCONTROL_CURRENT)
+    {
+        dc.SetPen( *wxBLACK_PEN );
+        dc.SetBrush( *wxTRANSPARENT_BRUSH );
+        dc.DrawRectangle( rect );
+    }
+}