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Make BOM-detection code in wxConvAuto public.
[wxWidgets.git] / src / gtk / control.cpp
diff --git a/src/gtk/control.cpp b/src/gtk/control.cpp
index 578b12cb9fcdd8f3e7bceea2f76549ffd14934e6..5a06a3910f43dfd0af92e470d8ffe58df00eb0ea 100644 (file)
--- a/src/gtk/control.cpp
+++ b/src/gtk/control.cpp
@@ -1,60 +1,319 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        control.cpp
-// Purpose:
+// Name:        src/gtk/control.cpp
+// Purpose:     wxControl implementation for wxGTK
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "control.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_CONTROLS
 
 #include "wx/control.h"
 
 
 #include "wx/control.h"
 
-#include "gtk/gtkfeatures.h"
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/settings.h"
+#endif
+
+#include "wx/fontutil.h"
+#include "wx/gtk/private.h"
+#include "wx/utils.h"
+#include "wx/sysopt.h"
+
+#include "wx/gtk/private/mnemonics.h"
+
+// ============================================================================
+// wxControl implementation
+// ============================================================================
 
 
-//-----------------------------------------------------------------------------
-// wxControl
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxControl creation
+// ----------------------------------------------------------------------------
 
 
-IMPLEMENT_DYNAMIC_CLASS(wxControl,wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
 
 wxControl::wxControl()
 {
 
 wxControl::wxControl()
 {
-    m_needParent = TRUE;
 }
 
 }
 
-wxControl::wxControl( wxWindow *parent,
+bool wxControl::Create( wxWindow *parent,
                       wxWindowID id,
                       const wxPoint &pos,
                       const wxSize &size,
                       long style,
                       wxWindowID id,
                       const wxPoint &pos,
                       const wxSize &size,
                       long style,
+                      const wxValidator& validator,
                       const wxString &name )
                       const wxString &name )
-         : wxWindow( parent, id, pos, size, style, name )
 {
 {
+    bool ret = wxWindow::Create(parent, id, pos, size, style, name);
+
+#if wxUSE_VALIDATORS
+    SetValidator(validator);
+#endif
+
+    return ret;
 }
 
 }
 
-void wxControl::SetLabel( const wxString &label )
+wxSize wxControl::DoGetBestSize() const
 {
 {
-    m_label.Empty();
-    for ( const wxChar *pc = label; *pc != _T('\0'); pc++ )
+    // Do not return any arbitrary default value...
+    wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
+
+    wxSize best;
+    if (m_wxwindow)
     {
     {
-        if ( *pc == _T('&') )
-        {
-            pc++; // skip it
-#if 0 // it would be unused anyhow for now - kbd interface not done yet
-            if ( *pc != _T('&') ) m_chAccel = *pc;
+        // this is not a native control, size_request is likely to be (0,0)
+        best = wxControlBase::DoGetBestSize();
+    }
+    else
+    {
+        GtkRequisition req;
+        GTK_WIDGET_GET_CLASS(m_widget)->size_request(m_widget, &req);
+        best.Set(req.width, req.height);
+    }
+    CacheBestSize(best);
+    return best;
+}
+
+void wxControl::PostCreation(const wxSize& size)
+{
+    wxWindow::PostCreation();
+
+    // 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);
+
+    GTKApplyWidgetStyle();
+    SetInitialSize(size);
+}
+
+// ----------------------------------------------------------------------------
+// Work around a GTK+ bug whereby button is insensitive after being
+// enabled
+// ----------------------------------------------------------------------------
+
+// Fix sensitivity due to bug in GTK+ < 2.14
+void wxControl::GTKFixSensitivity(bool onlyIfUnderMouse)
+{
+    if (gtk_check_version(2,14,0)
+#if wxUSE_SYSTEM_OPTIONS
+        && (wxSystemOptions::GetOptionInt(wxT("gtk.control.disable-sensitivity-fix")) != 1)
 #endif
 #endif
+        )
+    {
+        wxPoint pt = wxGetMousePosition();
+        wxRect rect(ClientToScreen(wxPoint(0, 0)), GetSize());
+        if (!onlyIfUnderMouse || rect.Contains(pt))
+        {
+            Hide();
+            Show();
         }
         }
-        m_label << *pc;
     }
 }
 
     }
 }
 
-wxString wxControl::GetLabel(void) const
+// ----------------------------------------------------------------------------
+// wxControl dealing with labels
+// ----------------------------------------------------------------------------
+
+void wxControl::GTKSetLabelForLabel(GtkLabel *w, const wxString& label)
+{
+    const wxString labelGTK = GTKConvertMnemonics(label);
+    gtk_label_set_text_with_mnemonic(w, wxGTK_CONV(labelGTK));
+}
+
+#if wxUSE_MARKUP
+
+void wxControl::GTKSetLabelWithMarkupForLabel(GtkLabel *w, const wxString& label)
+{
+    const wxString labelGTK = GTKConvertMnemonicsWithMarkup(label);
+    gtk_label_set_markup_with_mnemonic(w, wxGTK_CONV(labelGTK));
+}
+
+#endif // wxUSE_MARKUP
+
+// ----------------------------------------------------------------------------
+// GtkFrame helpers
+//
+// GtkFrames do in fact support mnemonics in GTK2+ but not through
+// gtk_frame_set_label, rather you need to use a custom label widget
+// instead (idea gleaned from the native gtk font dialog code in GTK)
+// ----------------------------------------------------------------------------
+
+GtkWidget* wxControl::GTKCreateFrame(const wxString& label)
+{
+    const wxString labelGTK = GTKConvertMnemonics(label);
+    GtkWidget* labelwidget = gtk_label_new_with_mnemonic(wxGTK_CONV(labelGTK));
+    gtk_widget_show(labelwidget); // without this it won't show...
+
+    GtkWidget* framewidget = gtk_frame_new(NULL);
+    gtk_frame_set_label_widget(GTK_FRAME(framewidget), labelwidget);
+
+    return framewidget; // note that the label is already set so you'll
+                        // only need to call wxControl::SetLabel afterwards
+}
+
+void wxControl::GTKSetLabelForFrame(GtkFrame *w, const wxString& label)
+{
+    wxControlBase::SetLabel(label);
+
+    GtkLabel* labelwidget = GTK_LABEL(gtk_frame_get_label_widget(w));
+    GTKSetLabelForLabel(labelwidget, label);
+}
+
+void wxControl::GTKFrameApplyWidgetStyle(GtkFrame* w, GtkRcStyle* style)
 {
 {
-    return m_label;
+    gtk_widget_modify_style(GTK_WIDGET(w), style);
+    gtk_widget_modify_style(gtk_frame_get_label_widget (w), style);
 }
 
 }
 
+void wxControl::GTKFrameSetMnemonicWidget(GtkFrame* w, GtkWidget* widget)
+{
+    GtkLabel* labelwidget = GTK_LABEL(gtk_frame_get_label_widget(w));
+
+    gtk_label_set_mnemonic_widget(labelwidget, widget);
+}
+
+// ----------------------------------------------------------------------------
+// worker function implementing GTK*Mnemonics() functions
+// ----------------------------------------------------------------------------
+
+/* static */
+wxString wxControl::GTKRemoveMnemonics(const wxString& label)
+{
+    return wxGTKRemoveMnemonics(label);
+}
+
+/* static */
+wxString wxControl::GTKConvertMnemonics(const wxString& label)
+{
+    return wxConvertMnemonicsToGTK(label);
+}
+
+/* static */
+wxString wxControl::GTKConvertMnemonicsWithMarkup(const wxString& label)
+{
+    return wxConvertMnemonicsToGTKMarkup(label);
+}
+
+// ----------------------------------------------------------------------------
+// wxControl styles (a.k.a. attributes)
+// ----------------------------------------------------------------------------
+
+wxVisualAttributes wxControl::GetDefaultAttributes() const
+{
+    return GetDefaultAttributesFromGTKWidget(m_widget,
+                                             UseGTKStyleBase());
+}
+
+// static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,
+                                             bool useBase,
+                                             int state)
+{
+    GtkStyle* style;
+    wxVisualAttributes attr;
+
+    style = gtk_rc_get_style(widget);
+    if (!style)
+        style = gtk_widget_get_default_style();
+
+    if (!style)
+    {
+        return wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
+    }
+
+    if (state == -1)
+        state = GTK_STATE_NORMAL;
+
+    // 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 = pango_font_description_copy(style->font_desc);
+        attr.font = wxFont(info);
+    }
+    else
+    {
+        GtkSettings *settings = gtk_settings_get_default();
+        gchar *font_name = NULL;
+        g_object_get ( settings,
+                       "gtk-font-name",
+                       &font_name,
+                       NULL);
+        if (!font_name)
+            attr.font = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
+        else
+            attr.font = wxFont(wxString::FromAscii(font_name));
+        g_free (font_name);
+    }
+
+    return attr;
+}
+
+
+//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;
+}
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromStr_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;
+}
+
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromAdj_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(NULL);
+    gtk_container_add(GTK_CONTAINER(wnd), widget);
+    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+    gtk_widget_destroy(wnd);
+    return attr;
+}
 
 
+#endif // wxUSE_CONTROLS
wxWidgets (Impactor)