/////////////////////////////////////////////////////////////////////////////
-// 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
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "control.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_CONTROLS
+#include "wx/log.h"
#include "wx/control.h"
+#include "wx/fontutil.h"
+#include "wx/settings.h"
+#include "wx/gtk/private.h"
-#include <gtk/gtk.h>
+// ============================================================================
+// wxControl implementation
+// ============================================================================
-//-----------------------------------------------------------------------------
-// wxControl
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxControl creation
+// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
m_needParent = TRUE;
}
-wxControl::wxControl( wxWindow *parent,
+bool wxControl::Create( 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);
-}
+ bool ret = wxWindow::Create(parent, id, pos, size, style, name);
#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);
-}
#endif
+ return ret;
+}
+
+wxSize wxControl::DoGetBestSize() const
+{
+ // Do not return any arbitrary default value...
+ wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
+
+ GtkRequisition req;
+ req.width = 2;
+ req.height = 2;
+ (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
+ (m_widget, &req );
+
+ wxSize best(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);
+
+ ApplyWidgetStyle();
+ SetInitialBestSize(size);
+}
+
+// ----------------------------------------------------------------------------
+// wxControl dealing with labels
+// ----------------------------------------------------------------------------
+
void wxControl::SetLabel( const wxString &label )
{
- m_label.Empty();
- for ( const wxChar *pc = label; *pc != wxT('\0'); pc++ )
+ // keep the original string internally to be able to return it later (for
+ // consistency with the other ports)
+ m_label = label;
+
+ InvalidateBestSize();
+}
+
+wxString wxControl::GetLabel() const
+{
+ return m_label;
+}
+
+void wxControl::GTKSetLabelForLabel(GtkLabel *w, const wxString& label)
+{
+ // don't call the virtual function which might call this one back again
+ wxControl::SetLabel(label);
+
+ const wxString labelGTK = GTKConvertMnemonics(label);
+
+#ifdef __WXGTK20__
+ gtk_label_set_text_with_mnemonic(w, wxGTK_CONV(labelGTK));
+#else
+ gtk_label_set(w, wxGTK_CONV(labelGTK));
+#endif
+}
+
+void wxControl::GTKSetLabelForFrame(GtkFrame *w, const wxString& label)
+{
+ wxControl::SetLabel(label);
+
+ // frames don't support mnemonics even under GTK+ 2
+ const wxString labelGTK = GTKRemoveMnemonics(label);
+
+ gtk_frame_set_label(w, labelGTK.empty() ? (char *)NULL
+ : wxGTK_CONV(labelGTK));
+}
+
+// worker function implementing both GTKConvert/RemoveMnemonics()
+//
+// notice that under GTK+ 1 we only really need to support MNEMONICS_REMOVE as
+// it doesn't support mnemonics anyhow but this would make the code so ugly
+// that we do the same thing for GKT+ 1 and 2
+enum MnemonicsFlag
+{
+ MNEMONICS_REMOVE,
+ MNEMONICS_CONVERT
+};
+
+static wxString GTKProcessMnemonics(const wxString& label, MnemonicsFlag flag)
+{
+ const size_t len = label.length();
+ wxString labelGTK;
+ labelGTK.reserve(len);
+ for ( size_t i = 0; i < len; i++ )
{
- if ( *pc == wxT('&') )
+ wxChar ch = label[i];
+
+ switch ( ch )
{
- pc++; // skip it
-#if 0 // it would be unused anyhow for now - kbd interface not done yet
- if ( *pc != wxT('&') ) m_chAccel = *pc;
-#endif
+ case wxT('&'):
+ if ( i == len - 1 )
+ {
+ // "&" at the end of string is an error
+ wxLogDebug(wxT("Invalid label \"%s\"."), label.c_str());
+ break;
+ }
+
+ ch = label[++i]; // skip '&' itself
+ switch ( ch )
+ {
+ case wxT('&'):
+ // special case: "&&" is not a mnemonic at all but just
+ // an escaped "&"
+ labelGTK += wxT('&');
+ break;
+
+ case wxT('_'):
+ if ( flag == MNEMONICS_CONVERT )
+ {
+ // '_' can't be a GTK mnemonic apparently so
+ // replace it with something similar
+ labelGTK += wxT("_-");
+ break;
+ }
+ //else: fall through
+
+ default:
+ if ( flag == MNEMONICS_CONVERT )
+ labelGTK += wxT('_');
+ labelGTK += ch;
+ }
+ break;
+
+ case wxT('_'):
+ if ( flag == MNEMONICS_CONVERT )
+ {
+ // escape any existing underlines in the string so that
+ // they don't become mnemonics accidentally
+ labelGTK += wxT("__");
+ break;
+ }
+ //else: fall through
+
+ default:
+ labelGTK += ch;
}
- m_label << *pc;
}
+
+ return labelGTK;
}
-wxString wxControl::GetLabel() const
+/* static */
+wxString wxControl::GTKRemoveMnemonics(const wxString& label)
{
- return m_label;
+ return GTKProcessMnemonics(label, MNEMONICS_REMOVE);
}
+/* static */
+wxString wxControl::GTKConvertMnemonics(const wxString& label)
+{
+#ifdef __WXGTK20__
+ return GTKProcessMnemonics(label, MNEMONICS_CONVERT);
+#else
+ return GTKRemoveMnemonics(label);
+#endif
+}
-wxSize wxControl::DoGetBestSize() const
+// ----------------------------------------------------------------------------
+// wxControl styles (a.k.a. attributes)
+// ----------------------------------------------------------------------------
+
+wxVisualAttributes wxControl::GetDefaultAttributes() const
{
- // Do not return any arbitrary default value...
- wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
+ return GetDefaultAttributesFromGTKWidget(m_widget,
+ UseGTKStyleBase());
+}
- GtkRequisition req;
- (* GTK_WIDGET_CLASS( GTK_OBJECT(m_widget)->klass )->size_request )
- (m_widget, &req );
- return wxSize(req.width, req.height);
+#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+
+// 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].red >> SHIFT,
+ style->fg[state].green >> SHIFT,
+ style->fg[state].blue >> SHIFT);
+ if (useBase)
+ attr.colBg = wxColour(style->base[state].red >> SHIFT,
+ style->base[state].green >> SHIFT,
+ style->base[state].blue >> SHIFT);
+ else
+ attr.colBg = wxColour(style->bg[state].red >> SHIFT,
+ style->bg[state].green >> SHIFT,
+ style->bg[state].blue >> SHIFT);
+
+ // get the style's font
+#ifdef __WXGTK20__
+ 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);
+ }
+#else
+ // TODO: isn't there a way to get a standard gtk 1.2 font?
+ attr.font = wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL );
+#endif
+
+ 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
+
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