remove symbol exports, this code is private to the library

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

diff --git a/src/gtk/control.cpp b/src/gtk/control.cpp
index d8f6b14c9d4072fee1fd8a99d6ce8b5b2d99f783..705da6fa502eba15a9843910cada8371965b582a 100644 (file)
--- a/src/gtk/control.cpp
+++ b/src/gtk/control.cpp
@@ -1,88 +1,358 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// 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"
 

+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/settings.h"
+#endif
+
+#include "wx/fontutil.h"
+#include "wx/utils.h"
+#include "wx/sysopt.h"
+

 #include <gtk/gtk.h>
 #include <gtk/gtk.h>

+#include "wx/gtk/private.h"
+#include "wx/gtk/private/mnemonics.h"
+
+// ============================================================================
+// wxControl implementation
+// ============================================================================

 
 

-//-----------------------------------------------------------------------------
-// wxControl
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxControl creation
+// ----------------------------------------------------------------------------

 
 IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
 
 wxControl::wxControl()
 {
 
 IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
 
 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 )
 {

-    (void)Create(parent, id, pos, size, style, name);
-}
+    bool ret = wxWindow::Create(parent, id, pos, size, style, name);

 
 #if wxUSE_VALIDATORS
 
 #if wxUSE_VALIDATORS

-wxControl::wxControl( wxWindow *parent,
-                      wxWindowID id,
-                      const wxPoint &pos,
-                      const wxSize &size,
-                      long style,
-                      const wxValidator& validator,
-                      const wxString &name)
-{
-    (void)Create(parent, id, pos, size, style, name);

     SetValidator(validator);
     SetValidator(validator);

+#endif
+
+    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
 
 }
 #endif
 

-void wxControl::SetLabel( const wxString &label )
+wxSize wxControl::DoGetBestSize() const

 {
 {

-    m_label.Empty();
-    for ( const wxChar *pc = label; *pc != wxT('\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 == wxT('&') )
-        {
-            pc++; // skip it
-#if 0 // it would be unused anyhow for now - kbd interface not done yet
-            if ( *pc != wxT('&') ) m_chAccel = *pc;
+        // this is not a native control, size_request is likely to be (0,0)
+        best = wxControlBase::DoGetBestSize();
+    }
+    else
+    {
+        best = GTKGetPreferredSize(m_widget);
+    }
+
+    return best;
+}
+
+void wxControl::PostCreation(const wxSize& size)
+{
+    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);
+#endif
+
+    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 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
 #endif

+        )
+    {
+        if (!onlyIfUnderMouse || GetScreenRect().Contains(wxGetMousePosition()))
+        {
+            Hide();
+            Show();

         }
         }

-        m_label << *pc;

     }
     }

+#endif

 }
 
 }
 

-wxString wxControl::GetLabel() const
+// ----------------------------------------------------------------------------
+// wxControl dealing with labels
+// ----------------------------------------------------------------------------
+
+void wxControl::GTKSetLabelForLabel(GtkLabel *w, const wxString& label)

 {
 {

-    return m_label;
+    const wxString labelGTK = GTKConvertMnemonics(label);
+    gtk_label_set_text_with_mnemonic(w, wxGTK_CONV(labelGTK));

 }
 
 }
 

+#if wxUSE_MARKUP

 
 

-wxSize wxControl::DoGetBestSize() const
+void wxControl::GTKSetLabelWithMarkupForLabel(GtkLabel *w, const wxString& label)

 {
 {

-    // Do not return any arbitrary default value...
-    wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
+    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)
+{
+    GTKApplyStyle(GTK_WIDGET(w), style);
+    GTKApplyStyle(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 WXUNUSED_IN_GTK3(useBase),
+                                             int state)
+{
+    wxVisualAttributes attr;
+
+    GtkWidget* tlw = NULL;
+    if (gtk_widget_get_parent(widget) == NULL)
+    {
+        tlw = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+        gtk_container_add(GTK_CONTAINER(tlw), widget);
+    }
+
+#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;
+
+    style = gtk_rc_get_style(widget);
+    if (!style)
+        style = gtk_widget_get_default_style();
+
+    if (style)
+    {
+        // 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
+        attr = wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
+#endif
+
+    if (!attr.font.IsOk())
+    {
+        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);
+    }
+
+    if (tlw)
+        gtk_widget_destroy(tlw);
+
+    return attr;
+}
+
+// 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
+{

     GtkRequisition req;
     GtkRequisition req;

-    req.width = 2;
-    req.height = 2;
-    (* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request )
-        (m_widget, &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);
 }
 
 
     return wxSize(req.width, req.height);
 }
 

+wxPoint wxControl::GTKGetEntryMargins(GtkEntry* entry) const
+{
+    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