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dolphin/Externals/wxWidgets3/src/gtk/control.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk/control.cpp
// Purpose: wxControl implementation for wxGTK
// Author: Robert Roebling
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_CONTROLS
#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 "wx/gtk/private.h"
#include "wx/gtk/private/mnemonics.h"
// ============================================================================
// wxControl implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxControl creation
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
wxControl::wxControl()
{
}
bool wxControl::Create( wxWindow *parent,
wxWindowID id,
const wxPoint &pos,
const wxSize &size,
long style,
const wxValidator& validator,
const wxString &name )
{
bool ret = wxWindow::Create(parent, id, pos, size, style, name);
#if wxUSE_VALIDATORS
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
wxSize wxControl::DoGetBestSize() const
{
// Do not return any arbitrary default value...
wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
wxSize best;
if (m_wxwindow)
{
// 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
)
{
if (!onlyIfUnderMouse || GetScreenRect().Contains(wxGetMousePosition()))
{
Hide();
Show();
}
}
#endif
}
// ----------------------------------------------------------------------------
// 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)
{
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;
gtk_style_context_get(
sc, stateFlag, GTK_STYLE_PROPERTY_FONT, &info.description, NULL);
attr.font = wxFont(info);
#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;
#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);
}
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
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