// Name: control.cpp
// Purpose:
// Author: Robert Roebling
-// Id: $id$
+// Id: $Id$
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "control.h"
#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/defs.h"
+
+#if wxUSE_CONTROLS
+
#include "wx/control.h"
+#include "wx/fontutil.h"
+#include "wx/settings.h"
+
+#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
// wxControl
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxControl,wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
-wxControl::wxControl(void)
+wxControl::wxControl()
{
- m_needParent = TRUE;
+ m_needParent = TRUE;
+ m_createComplete = false;
}
-wxControl::wxControl( wxWindow *parent, wxWindowID id,
- const wxPoint &pos, const wxSize &size,
- long style, const wxString &name ) :
- wxWindow( parent, id, pos, size, style, name )
+bool wxControl::Create( wxWindow *parent,
+ wxWindowID id,
+ const wxPoint &pos,
+ const wxSize &size,
+ long style,
+ const wxValidator& validator,
+ const wxString &name )
{
-}
+ m_createComplete = false;
+ bool ret = wxWindow::Create(parent, id, pos, size, style, name);
+
+#if wxUSE_VALIDATORS
+ SetValidator(validator);
+#endif
-void wxControl::Command( wxCommandEvent &WXUNUSED(event) )
-{
+ return ret;
}
void wxControl::SetLabel( const wxString &label )
{
- m_label = "";
- for ( const char *pc = label; *pc != '\0'; pc++ ) {
- if ( *pc == '&' ) {
- pc++; // skip it
+ m_label.Empty();
+ for ( const wxChar *pc = label; *pc != wxT('\0'); pc++ )
+ {
+ if ( *pc == wxT('&') )
+ {
+ pc++; // skip it
#if 0 // it would be unused anyhow for now - kbd interface not done yet
- if ( *pc != '&' )
- m_chAccel = *pc;
+ if ( *pc != wxT('&') ) m_chAccel = *pc;
#endif
+ }
+ m_label << *pc;
}
+}
+
+void wxControl::PostSetLabel()
+{
+ // make sure the widget has been created, and that PostCreate has already
+ // been called
+ if (m_widget && m_createComplete && GetAdjustMinSizeFlag())
+ SetBestSize(wxDefaultSize);
+}
+
+wxString wxControl::GetLabel() const
+{
+ return m_label;
+}
+
+
+wxSize wxControl::DoGetBestSize() const
+{
+ // Do not return any arbitrary default value...
+ wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
- m_label << *pc;
- }
+ GtkRequisition req;
+ req.width = 2;
+ req.height = 2;
+ (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
+ (m_widget, &req );
+
+ return wxSize(req.width, req.height);
}
-wxString wxControl::GetLabel(void) const
+
+void wxControl::PostCreation(const wxSize& size)
{
- return m_label;
+ 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);
+
+ InheritAttributes();
+ ApplyWidgetStyle();
+ SetInitialBestSize(size);
+ m_createComplete = true;
}
+#ifdef __WXGTK20__
+wxString wxControl::PrepareLabelMnemonics( const wxString &label ) const
+{
+ //Format mnemonics properly for GTK2. This can be called from GTK1.x, but
+ //it's not very useful because mnemonics don't exist prior to GTK2.
+ wxString label2;
+ for (size_t i = 0; i < label.Len(); i++)
+ {
+ if (label.GetChar(i) == wxT('&'))
+ {
+ //Mnemonic escape sequence "&&" is a literal "&" in the output.
+ if (label.GetChar(i + 1) == wxT('&'))
+ {
+ label2 << wxT('&');
+ i++;
+ }
+ //Handle special case of "&_" (i.e. "_" is the mnemonic).
+ //FIXME - Is it possible to use "_" as a GTK mnemonic? Just use a
+ //dash for now.
+ else if (label.GetChar(i + 1) == wxT('_'))
+ {
+ label2 << wxT("_-");
+ i++;
+ }
+ //Replace WX mnemonic indicator "&" with GTK indicator "_".
+ else
+ {
+ label2 << wxT('_');
+ }
+ }
+ else if (label.GetChar(i) == wxT('_'))
+ {
+ //Escape any underlines in the string so GTK doesn't use them.
+ label2 << wxT("__");
+ }
+ else
+ {
+ label2 << label.GetChar(i);
+ }
+ }
+ return label2;
+}
+#endif
+
+
+wxVisualAttributes wxControl::GetDefaultAttributes() const
+{
+ return GetDefaultAttributesFromGTKWidget(m_widget,
+ UseGTKStyleBase());
+}
+
+
+#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 = 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(GtkWidget* (*widget_new)(void),
+ bool useBase,
+ int state)
+{
+ wxVisualAttributes attr;
+ GtkWidget* widget = widget_new();
+ attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+ gtk_widget_destroy(widget);
+ return attr;
+}
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* (*widget_new)(const gchar*),
+ bool useBase,
+ int state)
+{
+ wxVisualAttributes attr;
+ GtkWidget* widget = widget_new("");
+ attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+ gtk_widget_destroy(widget);
+ return attr;
+}
+
+
+//static
+wxVisualAttributes
+wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* (*widget_new)(GtkAdjustment*),
+ bool useBase,
+ int state)
+{
+ wxVisualAttributes attr;
+ GtkWidget* widget = widget_new(NULL);
+ attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
+ gtk_widget_destroy(widget);
+ return attr;
+}
+
+#endif // wxUSE_CONTROLS
projects / wxWidgets.git / blobdiff