don't let the user modify the contents of read-only control (modified patch 1463707)

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

diff --git a/src/gtk1/renderer.cpp b/src/gtk1/renderer.cpp
index 62d1c47d48cf569bb339fb305545f8291b814d29..65efb88eae9a472a8ee2cfc73ef891a00dac578a 100644 (file)
--- a/src/gtk1/renderer.cpp
+++ b/src/gtk1/renderer.cpp
@@ -26,20 +26,16 @@
 
 #include "wx/renderer.h"
 #include <gtk/gtk.h>
 
 #include "wx/renderer.h"
 #include <gtk/gtk.h>

-#include "wx/gtk/win_gtk.h"
+#include "wx/gtk1/win_gtk.h"

 
 #include "wx/window.h"
 #include "wx/dc.h"
 
 #include "wx/window.h"
 #include "wx/dc.h"

+#include "wx/dcclient.h"

 
 

-#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
+// 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

 
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation
 
 // ----------------------------------------------------------------------------
 // wxRendererGTK: our wxRendererNative implementation


@@ -48,24 +44,12 @@
 class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
 {
 public:
 class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative
 {
 public:

-
-    // used by DrawHeaderButton and DrawComboBoxDropButton
-    void PrepareButtonDraw();
-

     // draw the header control button (used by wxListCtrl)
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
                                   int flags = 0);
 
     // draw the header control button (used by wxListCtrl)
     virtual void DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
                                   int flags = 0);
 

-#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,
                                     const wxRect& rect,
     virtual void DrawSplitterBorder(wxWindow *win,
                                     wxDC& dc,
                                     const wxRect& rect,


@@ -82,7 +66,18 @@ public:
                                         const wxRect& rect,
                                         int flags = 0);
 
                                         const wxRect& rect,
                                         int flags = 0);
 

+    virtual void DrawDropArrow(wxWindow *win,
+                               wxDC& dc,
+                               const wxRect& rect,
+                               int flags = 0);
+

     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);

+
+private:
+    // FIXME: shouldn't we destroy these windows somewhere?
+
+    // used by DrawHeaderButton and DrawComboBoxDropButton
+    static GtkWidget *GetButtonWidget();

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


@@ -98,24 +93,25 @@ wxRendererNative& wxRendererNative::GetDefault()
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// common code
+// helper functions

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

-static GtkWidget *gs_button = NULL;
-static GtkWidget *gs_window = NULL;
-
-void
-wxRendererGTK::PrepareButtonDraw()
+GtkWidget *
+wxRendererGTK::GetButtonWidget()

 {
 {

-    // prepares gs_button and gs_window which are used when
-    // drawing button based elements.
-    wxASSERT ( !gs_button );
-
-    gs_window = gtk_window_new( GTK_WINDOW_POPUP );
-    gtk_widget_realize( gs_window );
-    gs_button = gtk_button_new();
-    gtk_container_add( GTK_CONTAINER(gs_window), gs_button );
-    gtk_widget_realize( gs_button );
+    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;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -129,107 +125,47 @@ wxRendererGTK::DrawHeaderButton(wxWindow *win,
                                 int flags)
 {
 
                                 int flags)
 {
 

-    if (gs_button == NULL)
-        PrepareButtonDraw();
+    GtkWidget *button = GetButtonWidget();

 
     gtk_paint_box
     (
 
     gtk_paint_box
     (

-        gs_button->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,
         NULL,
         // 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,
         NULL,

-        gs_button,
+        button,

         "button",
         dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2
     );
 }
 
         "button",
         dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2
     );
 }
 

-#ifdef __WXGTK20__
-
-// draw a ">" or "v" button
-//
-// TODO: replace the code below with gtk_paint_expander()
-void
-wxRendererGTK::DrawTreeItemButton(wxWindow* win,
-                                  wxDC& dc, const wxRect& rect, int flags)
-{
-#define PM_SIZE 8
-
-    GtkPizza *pizza = GTK_PIZZA( win->m_wxwindow );
-    GtkStyle *style = win->m_widget->style;
-    int x = rect.x;
-    int y = rect.y;
-    y = dc.LogicalToDeviceY( y );
-    x = dc.LogicalToDeviceX( x );
-
-    // This draws the GTK+ 2.2.4 triangle
-    x--;
-    GdkPoint points[3];
-    
-    if ( flags & wxCONTROL_EXPANDED )
-    {
-        points[0].x = x;
-        points[0].y = y + (PM_SIZE + 2) / 6;
-        points[1].x = points[0].x + (PM_SIZE + 2);
-        points[1].y = points[0].y;
-        points[2].x = (points[0].x + (PM_SIZE + 2) / 2);
-        points[2].y = y + 2 * (PM_SIZE + 2) / 3;
-    }
-    else
-    {  
-        points[0].x = x + ((PM_SIZE + 2) / 6 + 2);
-        points[0].y = y - 1;
-        points[1].x = points[0].x;
-        points[1].y = points[0].y + (PM_SIZE + 2);
-        points[2].x = (points[0].x +
-             (2 * (PM_SIZE + 2) / 3 - 1));
-        points[2].y = points[0].y + (PM_SIZE + 2) / 2;
-    }
-
-    if ( flags & wxCONTROL_CURRENT )
-        gdk_draw_polygon( pizza->bin_window, style->fg_gc[GTK_STATE_PRELIGHT], TRUE, points, 3);
-    else
-        gdk_draw_polygon( pizza->bin_window, style->base_gc[GTK_STATE_NORMAL], TRUE, points, 3);
-    gdk_draw_polygon( pizza->bin_window, style->fg_gc[GTK_STATE_NORMAL], FALSE, points, 3 );
-}
-
-#endif // GTK 2.0
-

 // ----------------------------------------------------------------------------
 // splitter sash drawing
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // 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;
+// the full sash width (should be even)
+static const wxCoord SASH_SIZE = 8;

 
 

-    // margin around the sash
-    static const wxCoord SASH_MARGIN = 2;
+// margin around the sash
+static const wxCoord SASH_MARGIN = 2;

 
 

-    // the full sash size
-    static const wxCoord SASH_FULL_SIZE = SASH_SIZE + SASH_MARGIN;
-#endif // GTK+ 2.x/1.x
+static int GetGtkSplitterFullSize()
+{
+    return SASH_SIZE + SASH_MARGIN;
+}

 
 wxSplitterRenderParams
 
 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
            (
 {
     // we don't draw any border, hence 0 for the second field
     return wxSplitterRenderParams
            (

-               SASH_FULL_SIZE,
+               GetGtkSplitterFullSize(),

                0,
                0,

-#ifdef __WXGTK20__
-               true     // hot sensitive
-#else // GTK+ 1.x

                false    // not
                false    // not

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

            );
 }
 
            );
 }
 


@@ -248,7 +184,7 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
                                 const wxSize& size,
                                 wxCoord position,
                                 wxOrientation orient,
                                 const wxSize& size,
                                 wxCoord position,
                                 wxOrientation orient,

-                                int WXUNUSED_IN_GTK1(flags))
+                                int WXUNUSED(flags))

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


@@ -256,44 +192,52 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         return;
     }
 
         return;
     }
 

+    wxCoord full_size = GetGtkSplitterFullSize();
+

     // are we drawing vertical or horizontal splitter?
     const bool isVert = orient == wxVERTICAL;
 
     GdkRectangle rect;
     // are we drawing vertical or horizontal splitter?
     const bool isVert = orient == wxVERTICAL;
 
     GdkRectangle rect;

+#if USE_ERASE_RECT

     GdkRectangle erase_rect;
     GdkRectangle erase_rect;

+#endif
+

     if ( isVert )
     {
         int h = win->GetClientSize().GetHeight();
     if ( isVert )
     {
         int h = win->GetClientSize().GetHeight();

-    
+

         rect.x = position;
         rect.y = 0;
         rect.x = position;
         rect.y = 0;

-        rect.width = SASH_FULL_SIZE;
+        rect.width = full_size;

         rect.height = h;
         rect.height = h;

-    
+
+#if USE_ERASE_RECT

         erase_rect.x = position;
         erase_rect.y = 0;
         erase_rect.x = position;
         erase_rect.y = 0;

-        erase_rect.width = SASH_FULL_SIZE;
+        erase_rect.width = full_size;

         erase_rect.height = h;
         erase_rect.height = h;

+#endif

     }
     else // horz
     {
         int w = win->GetClientSize().GetWidth();
     }
     else // horz
     {
         int w = win->GetClientSize().GetWidth();

-    
+

         rect.x = 0;
         rect.y = position;
         rect.x = 0;
         rect.y = position;

-        rect.height = SASH_FULL_SIZE;
+        rect.height = full_size;

         rect.width = w;
         rect.width = w;

-    
+
+#if USE_ERASE_RECT

         erase_rect.y = position;
         erase_rect.x = 0;
         erase_rect.y = position;
         erase_rect.x = 0;

-        erase_rect.height = SASH_FULL_SIZE;
+        erase_rect.height = full_size;

         erase_rect.width = w;
         erase_rect.width = w;

+#endif

     }
 
     }
 

-    // 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?
+#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_paint_flat_box
     (
         win->m_wxwindow->style,


@@ -302,30 +246,14 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         GTK_SHADOW_NONE,
         NULL,
         win->m_wxwindow,
         GTK_SHADOW_NONE,
         NULL,
         win->m_wxwindow,

-        (char *)"base", // const_cast
+        (char *)"viewportbin", // const_cast

         erase_rect.x,
         erase_rect.y,
         erase_rect.width,
         erase_rect.height
     );
         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;
 
     // leave some margin before sash itself
     position += SASH_MARGIN / 2;


@@ -363,71 +291,104 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
         isVert ? size.y - 2*SASH_SIZE : position,
         SASH_SIZE, SASH_SIZE
     );
         isVert ? size.y - 2*SASH_SIZE : position,
         SASH_SIZE, SASH_SIZE
     );

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

 }
 
 }
 

-void wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
-                                            wxDC& dc,
-                                            const wxRect& rect,
-                                            int flags)
+void
+wxRendererGTK::DrawDropArrow(wxWindow *win,
+                             wxDC& dc,
+                             const wxRect& rect,
+                             int flags)

 {
 {

-    if (gs_button == NULL)
-        PrepareButtonDraw();
+    GtkWidget *button = GetButtonWidget();

 
 

-    // device context must inherit from wxWindowDC
-    // (so it must be wxClientDC, wxMemoryDC or wxPaintDC)
+    // 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;
 
     wxWindowDC& wdc = (wxWindowDC&)dc;
 

-    // only doing debug-time checking here (it should probably be enough)
+    // only doing debug-time checking here (it should
+    // probably be enough)

     wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
 
     wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
 

-    GtkStateType state = GTK_STATE_NORMAL;
-    GtkShadowType shadow = GTK_SHADOW_OUT;
+    // 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 )
 
     if ( flags & wxCONTROL_PRESSED )

-        shadow = GTK_SHADOW_IN;
-    else if ( flags & wxCONTROL_CURRENT )
-        state = GTK_STATE_PRELIGHT;
+        state = GTK_STATE_ACTIVE;

     else if ( flags & wxCONTROL_DISABLED )
         state = GTK_STATE_INSENSITIVE;
     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
+    // draw arrow on button
+    gtk_paint_arrow

     (
     (

-        gs_button->style,
-        //GTK_PIZZA(wdc->m_window)->bin_window,
+        button->style,

         wdc.m_window,
         state,
         wdc.m_window,
         state,

-        shadow,
+        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,

         NULL,
         NULL,

-        gs_button,
-        "button",
-        dc.XLOG2DEV(rect.x), rect.y, rect.width, rect.height
+        button,
+        "arrow",
+        GTK_ARROW_DOWN,
+        FALSE,
+        rect.x + arrowX,
+        rect.y + arrowY,
+        arrowWidth,
+        arrowHeight

     );
     );

+}

 
 

-    // draw arrow on button
+void
+wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
+                                      wxDC& dc,
+                                      const wxRect& rect,
+                                      int flags)
+{
+    GtkWidget *button = GetButtonWidget();

 
 

-    int arr_wid = rect.width/2;
-    int arr_hei = rect.height/2;
-    arr_wid += arr_wid & 1;
-    arr_hei += arr_hei & 1;
+    // for reason why we do this, see DrawDropArrow
+    wxWindowDC& wdc = (wxWindowDC&)dc;
+    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );

 
 

-    gtk_paint_arrow
+    // 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

     (
     (

-        gs_button->style,
-        //GTK_PIZZA(wdc->m_window)->bin_window,
+        button->style,

         wdc.m_window,
         state,
         wdc.m_window,
         state,

-        shadow,
+        flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,

         NULL,
         NULL,

-        gs_button,
-        "arrow",
-        GTK_ARROW_DOWN,
-        TRUE,
-        dc.XLOG2DEV(rect.x) + (rect.width/2-arr_wid/2) + 1,
-        rect.y + (rect.height/2-arr_hei/2) + 1,
-        arr_wid,
-        arr_hei
+        button,
+        "button",
+        rect.x, rect.y, rect.width, rect.height

     );
 
     );
 

-}
+    // draw arrow on button
+    DrawDropArrow(win,dc,rect,flags);

 
 

+}