Add doc for wxGraphicsContext.Create(), which is a lightweight context with no target...

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

diff --git a/src/gtk/control.cpp b/src/gtk/control.cpp
index 24570f6afec6ee0e9580e9901b554c39722d3cbc..705da6fa502eba15a9843910cada8371965b582a 100644 (file)
--- a/src/gtk/control.cpp
+++ b/src/gtk/control.cpp
@@ -20,10 +20,11 @@
 #endif
 
 #include "wx/fontutil.h"
 #endif
 
 #include "wx/fontutil.h"

-#include "wx/gtk/private.h"

 #include "wx/utils.h"
 #include "wx/sysopt.h"
 
 #include "wx/utils.h"
 #include "wx/sysopt.h"
 

+#include <gtk/gtk.h>
+#include "wx/gtk/private.h"

 #include "wx/gtk/private/mnemonics.h"
 
 // ============================================================================
 #include "wx/gtk/private/mnemonics.h"
 
 // ============================================================================


@@ -57,6 +58,21 @@ bool wxControl::Create( wxWindow *parent,
     return ret;
 }
 
     return ret;
 }
 

+#ifdef __WXGTK3__
+bool wxControl::SetFont(const wxFont& font)
+{
+    const bool changed = base_type::SetFont(font);
+    if (changed && !gtk_widget_get_realized(m_widget))
+    {
+        // GTK defers sending "style-updated" until widget is realized, but
+        // GetBestSize() won't compute correct result until the signal is sent,
+        // so we have to do it now
+        g_signal_emit_by_name(m_widget, "style-updated");
+    }
+    return changed;
+}
+#endif
+

 wxSize wxControl::DoGetBestSize() const
 {
     // Do not return any arbitrary default value...
 wxSize wxControl::DoGetBestSize() const
 {
     // Do not return any arbitrary default value...


@@ -70,11 +86,9 @@ wxSize wxControl::DoGetBestSize() const
     }
     else
     {
     }
     else
     {

-        GtkRequisition req;
-        GTK_WIDGET_GET_CLASS(m_widget)->size_request(m_widget, &req);
-        best.Set(req.width, req.height);
+        best = GTKGetPreferredSize(m_widget);

     }
     }

-    CacheBestSize(best);
+

     return best;
 }
 
     return best;
 }
 


@@ -82,14 +96,15 @@ void wxControl::PostCreation(const wxSize& size)
 {
     wxWindow::PostCreation();
 
 {
     wxWindow::PostCreation();
 

+#ifndef __WXGTK3__

     // NB: GetBestSize needs to know the style, otherwise it will assume
     //     default font and if the user uses a different font, determined
     //     best size will be different (typically, smaller) than the desired
     //     size. This call ensure that a style is available at the time
     //     GetBestSize is called.
     gtk_widget_ensure_style(m_widget);
     // NB: GetBestSize needs to know the style, otherwise it will assume
     //     default font and if the user uses a different font, determined
     //     best size will be different (typically, smaller) than the desired
     //     size. This call ensure that a style is available at the time
     //     GetBestSize is called.
     gtk_widget_ensure_style(m_widget);

+#endif

 
 

-    GTKApplyWidgetStyle();

     SetInitialSize(size);
 }
 
     SetInitialSize(size);
 }
 


@@ -99,22 +114,22 @@ void wxControl::PostCreation(const wxSize& size)
 // ----------------------------------------------------------------------------
 
 // Fix sensitivity due to bug in GTK+ < 2.14
 // ----------------------------------------------------------------------------
 
 // Fix sensitivity due to bug in GTK+ < 2.14

-void wxControl::GTKFixSensitivity(bool onlyIfUnderMouse)
+void wxControl::GTKFixSensitivity(bool WXUNUSED_IN_GTK3(onlyIfUnderMouse))

 {
 {

+#ifndef __WXGTK3__

     if (gtk_check_version(2,14,0)
 #if wxUSE_SYSTEM_OPTIONS
         && (wxSystemOptions::GetOptionInt(wxT("gtk.control.disable-sensitivity-fix")) != 1)
 #endif
         )
     {
     if (gtk_check_version(2,14,0)
 #if wxUSE_SYSTEM_OPTIONS
         && (wxSystemOptions::GetOptionInt(wxT("gtk.control.disable-sensitivity-fix")) != 1)
 #endif
         )
     {

-        wxPoint pt = wxGetMousePosition();
-        wxRect rect(ClientToScreen(wxPoint(0, 0)), GetSize());
-        if (!onlyIfUnderMouse || rect.Contains(pt))
+        if (!onlyIfUnderMouse || GetScreenRect().Contains(wxGetMousePosition()))

         {
             Hide();
             Show();
         }
     }
         {
             Hide();
             Show();
         }
     }

+#endif

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


@@ -168,8 +183,8 @@ void wxControl::GTKSetLabelForFrame(GtkFrame *w, const wxString& label)
 
 void wxControl::GTKFrameApplyWidgetStyle(GtkFrame* w, GtkRcStyle* style)
 {
 
 void wxControl::GTKFrameApplyWidgetStyle(GtkFrame* w, GtkRcStyle* style)
 {

-    gtk_widget_modify_style(GTK_WIDGET(w), style);
-    gtk_widget_modify_style(gtk_frame_get_label_widget (w), style);
+    GTKApplyStyle(GTK_WIDGET(w), style);
+    GTKApplyStyle(gtk_frame_get_label_widget(w), style);

 }
 
 void wxControl::GTKFrameSetMnemonicWidget(GtkFrame* w, GtkWidget* widget)
 }
 
 void wxControl::GTKFrameSetMnemonicWidget(GtkFrame* w, GtkWidget* widget)


@@ -214,39 +229,67 @@ wxVisualAttributes wxControl::GetDefaultAttributes() const
 // static
 wxVisualAttributes
 wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,
 // static
 wxVisualAttributes
 wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,

-                                             bool useBase,
+                                             bool WXUNUSED_IN_GTK3(useBase),

                                              int state)
 {
                                              int state)
 {

-    GtkStyle* style;

     wxVisualAttributes attr;
 
     wxVisualAttributes attr;
 

-    style = gtk_rc_get_style(widget);
-    if (!style)
-        style = gtk_widget_get_default_style();
-
-    if (!style)
+    GtkWidget* tlw = NULL;
+    if (gtk_widget_get_parent(widget) == NULL)

     {
     {

-        return wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
+        tlw = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+        gtk_container_add(GTK_CONTAINER(tlw), widget);

     }
 
     }
 

-    // get the style's colours
-    attr.colFg = wxColour(style->fg[state]);
-    if (useBase)
-        attr.colBg = wxColour(style->base[state]);
-    else
-        attr.colBg = wxColour(style->bg[state]);
+#ifdef __WXGTK3__
+    GtkStateFlags stateFlag = GTK_STATE_FLAG_NORMAL;
+    if (state)
+    {
+        wxASSERT(state == GTK_STATE_ACTIVE);
+        stateFlag = GTK_STATE_FLAG_ACTIVE;
+    }
+    GtkStyleContext* sc = gtk_widget_get_style_context(widget);
+    GdkRGBA c;
+    gtk_style_context_get_color(sc, stateFlag, &c);
+    attr.colFg = wxColour(c);
+    gtk_style_context_get_background_color(sc, stateFlag, &c);
+    attr.colBg = wxColour(c);
+    wxNativeFontInfo info;
+    info.description = const_cast<PangoFontDescription*>(gtk_style_context_get_font(sc, stateFlag));
+    attr.font = wxFont(info);
+    info.description = NULL;
+#else
+    GtkStyle* style;

 
 

-    // get the style's font
-    if ( !style->font_desc )
+    style = gtk_rc_get_style(widget);
+    if (!style)

         style = gtk_widget_get_default_style();
         style = gtk_widget_get_default_style();

-    if ( style && style->font_desc )
+
+    if (style)

     {
     {

-        wxNativeFontInfo info;
-        info.description = style->font_desc;
-        attr.font = wxFont(info);
-        info.description = NULL;
+        // get the style's colours
+        attr.colFg = wxColour(style->fg[state]);
+        if (useBase)
+            attr.colBg = wxColour(style->base[state]);
+        else
+            attr.colBg = wxColour(style->bg[state]);
+
+        // get the style's font
+        if (!style->font_desc)
+            style = gtk_widget_get_default_style();
+        if (style && style->font_desc)
+        {
+            wxNativeFontInfo info;
+            info.description = style->font_desc;
+            attr.font = wxFont(info);
+            info.description = NULL;
+        }

     }
     else
     }
     else

+        attr = wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
+#endif
+
+    if (!attr.font.IsOk())

     {
         GtkSettings *settings = gtk_settings_get_default();
         gchar *font_name = NULL;
     {
         GtkSettings *settings = gtk_settings_get_default();
         gchar *font_name = NULL;


@@ -261,57 +304,55 @@ wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,
         g_free (font_name);
     }
 
         g_free (font_name);
     }
 

-    return attr;
-}
-
+    if (tlw)
+        gtk_widget_destroy(tlw);

 
 

-//static
-wxVisualAttributes
-wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNew_t widget_new,
-                                             bool useBase,
-                                             int state)
-{
-    wxVisualAttributes attr;
-    // NB: we need toplevel window so that GTK+ can find the right style
-    GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-    GtkWidget* widget = widget_new();
-    gtk_container_add(GTK_CONTAINER(wnd), widget);
-    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
-    gtk_widget_destroy(wnd);

     return attr;
 }
 
     return attr;
 }
 

-//static
-wxVisualAttributes
-wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromStr_t widget_new,
-                                             bool useBase,
-                                             int state)
+// This is not the same as GetBestSize() because that size may have
+// been recalculated and cached by us. We want GTK+ information.
+wxSize wxControl::GTKGetPreferredSize(GtkWidget* widget) const

 {
 {

-    wxVisualAttributes attr;
-    // NB: we need toplevel window so that GTK+ can find the right style
-    GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-    GtkWidget* widget = widget_new("");
-    gtk_container_add(GTK_CONTAINER(wnd), widget);
-    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
-    gtk_widget_destroy(wnd);
-    return attr;
-}
+    GtkRequisition req;
+#ifdef __WXGTK3__
+    gtk_widget_get_preferred_size(widget, NULL, &req);
+#else
+    GTK_WIDGET_GET_CLASS(widget)->size_request(widget, &req);
+#endif

 
 

+    return wxSize(req.width, req.height);
+}

 
 

-//static
-wxVisualAttributes
-wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromAdj_t widget_new,
-                                             bool useBase,
-                                             int state)
+wxPoint wxControl::GTKGetEntryMargins(GtkEntry* entry) const

 {
 {

-    wxVisualAttributes attr;
-    // NB: we need toplevel window so that GTK+ can find the right style
-    GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-    GtkWidget* widget = widget_new(NULL);
-    gtk_container_add(GTK_CONTAINER(wnd), widget);
-    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
-    gtk_widget_destroy(wnd);
-    return attr;
+    wxPoint marg(0, 0);
+
+#ifndef __WXGTK3__
+#if GTK_CHECK_VERSION(2,10,0)
+    // The margins we have previously set
+    const GtkBorder* border = gtk_entry_get_inner_border(entry);
+    if ( border )
+    {
+        marg.x = border->left + border->right;
+        marg.y = border->top + border->bottom;
+    }
+#endif // GTK+ 2.10+
+#else // GTK+ 3
+    // Gtk3 does not use inner border, but StyleContext and CSS
+    // TODO: implement it, starting with wxTextEntry::DoSetMargins()
+#endif // GTK+ 2/3
+
+    int x, y;
+    gtk_entry_get_layout_offsets(entry, &x, &y);
+    // inner borders are included. Substract them so we can get other margins
+    x -= marg.x;
+    y -= marg.y;
+    marg.x += 2 * x + 2;
+    marg.y += 2 * y + 2;
+
+    return marg;

 }
 
 }
 

+

 #endif // wxUSE_CONTROLS
 #endif // wxUSE_CONTROLS