mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-15 08:42:39 +03:00
8ef292b9ca
GTK UI builder resources have till now been exclusively stored on disc requiring netsurf to ship numerous additional resource files. This requires going to disc every time a UI action is performed which can become a lot of unwanted file handling. GLib/GTK has moved towards GResource handling for such resources instead. It now seems that migrating to this style of usage is expected and indeed the only portable way to include pixbufs. This introduces an API to hide the various implementation details of how resources are handled from the rest of the codebase.
641 lines
14 KiB
C
641 lines
14 KiB
C
/*
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* Copyright 2010 Rob Kendrick <rjek@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file
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* Compatibility functions for older GTK versions implementation
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*/
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#include <stdint.h>
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#include "gtk/compat.h"
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#ifdef _SEXY_ICON_ENTRY_H_
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#include "gtk/sexy_icon_entry.c"
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/*
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* exported interface documented in gtk/compat.h
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*
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* Only required for the lib sexy interface before 2.16
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*/
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GtkStateType nsgtk_widget_get_state(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,18,0)
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return gtk_widget_get_state(widget);
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#else
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return GTK_WIDGET_STATE(widget);
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#endif
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}
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#endif
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void nsgtk_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
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{
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#if GTK_CHECK_VERSION(2,22,0)
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gtk_widget_set_can_focus(widget, can_focus);
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#else
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if (can_focus == TRUE)
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GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
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else
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GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
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#endif
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}
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gboolean nsgtk_widget_has_focus(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,20,0)
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return gtk_widget_has_focus(widget);
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#else
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return GTK_WIDGET_HAS_FOCUS(widget);
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#endif
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}
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gboolean nsgtk_widget_get_visible(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,20,0)
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return gtk_widget_get_visible(widget);
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#else
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return GTK_WIDGET_VISIBLE(widget);
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#endif
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}
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gboolean nsgtk_widget_get_realized(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,20,0)
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return gtk_widget_get_realized(widget);
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#else
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return GTK_WIDGET_REALIZED(widget);
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#endif
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}
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gboolean nsgtk_widget_get_mapped(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,20,0)
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return gtk_widget_get_mapped(widget);
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#else
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return GTK_WIDGET_MAPPED(widget);
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#endif
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}
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gboolean nsgtk_widget_is_drawable(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,18,0)
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return gtk_widget_is_drawable(widget);
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#else
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return GTK_WIDGET_DRAWABLE(widget);
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#endif
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}
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void nsgtk_dialog_set_has_separator(GtkDialog *dialog, gboolean setting)
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{
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#if GTK_CHECK_VERSION(2,21,8)
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/* Deprecated */
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#else
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gtk_dialog_set_has_separator(dialog, setting);
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#endif
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}
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GtkWidget *nsgtk_combo_box_text_new(void)
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{
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#if GTK_CHECK_VERSION(2,24,0)
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return gtk_combo_box_text_new();
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#else
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return gtk_combo_box_new_text();
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#endif
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}
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void nsgtk_combo_box_text_append_text(GtkWidget *combo_box, const gchar *text)
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{
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#if GTK_CHECK_VERSION(2,24,0)
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gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo_box), text);
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#else
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gtk_combo_box_append_text(GTK_COMBO_BOX(combo_box), text);
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#endif
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}
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gchar *nsgtk_combo_box_text_get_active_text(GtkWidget *combo_box)
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{
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#if GTK_CHECK_VERSION(2,24,0)
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return gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(combo_box));
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#else
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return gtk_combo_box_get_active_text(GTK_COMBO_BOX(combo_box));
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#endif
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}
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GtkWidget *nsgtk_entry_new(void)
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{
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#if GTK_CHECK_VERSION(2,16,0)
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return gtk_entry_new();
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#else
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return GTK_WIDGET(sexy_icon_entry_new());
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#endif
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}
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void nsgtk_entry_set_icon_from_pixbuf(GtkWidget *entry,
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GtkEntryIconPosition icon_pos,
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GdkPixbuf *pixbuf)
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{
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#if GTK_CHECK_VERSION(2,16,0)
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gtk_entry_set_icon_from_pixbuf(GTK_ENTRY(entry), icon_pos, pixbuf);
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#else
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GtkImage *image = GTK_IMAGE(gtk_image_new_from_pixbuf(pixbuf));
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if (image != NULL) {
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sexy_icon_entry_set_icon(SEXY_ICON_ENTRY(entry),
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(SexyIconEntryPosition)icon_pos,
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image);
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g_object_unref(image);
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}
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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void nsgtk_entry_set_icon_from_stock(GtkWidget *entry,
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GtkEntryIconPosition icon_pos,
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const gchar *id)
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{
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#ifdef NSGTK_USE_ICON_NAME
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gtk_entry_set_icon_from_icon_name(GTK_ENTRY(entry), icon_pos, id);
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#else
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#if GTK_CHECK_VERSION(2,16,0)
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gtk_entry_set_icon_from_stock(GTK_ENTRY(entry), icon_pos, id);
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#else
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GtkImage *image = GTK_IMAGE(gtk_image_new_from_stock(id,
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GTK_ICON_SIZE_LARGE_TOOLBAR));
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if (image != NULL) {
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sexy_icon_entry_set_icon(SEXY_ICON_ENTRY(entry),
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(SexyIconEntryPosition)icon_pos,
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image);
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g_object_unref(image);
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}
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#endif
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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GtkWidget *nsgtk_image_new_from_stock(const gchar *id, GtkIconSize size)
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{
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#ifdef NSGTK_USE_ICON_NAME
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return gtk_image_new_from_icon_name(id, size);
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#else
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return gtk_image_new_from_stock(id, size);
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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GtkWidget *nsgtk_button_new_from_stock(const gchar *stock_id)
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{
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#ifdef NSGTK_USE_ICON_NAME
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return gtk_button_new_with_label(stock_id);
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#else
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return gtk_button_new_from_stock(stock_id);
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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gboolean nsgtk_stock_lookup(const gchar *stock_id, GtkStockItem *item)
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{
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#ifdef NSGTK_USE_ICON_NAME
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return FALSE;
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#else
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return gtk_stock_lookup(stock_id, item);
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#endif
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}
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void nsgtk_widget_override_background_color(GtkWidget *widget,
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GtkStateFlags state,
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uint16_t a,
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uint16_t r,
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uint16_t g,
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uint16_t b)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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GdkRGBA colour;
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colour.alpha = (double)a / 0xffff;
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colour.red = (double)r / 0xffff;
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colour.green = (double)g / 0xffff;
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colour.blue = (double)b / 0xffff;
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gtk_widget_override_background_color(widget, state, &colour);
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#else
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GdkColor colour;
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colour.pixel = a;
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colour.red = r;
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colour.green = g;
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colour.blue = b;
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gtk_widget_modify_bg(widget, state, &colour );
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#endif
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}
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GtkAdjustment *nsgtk_layout_get_vadjustment(GtkLayout *layout)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(layout));
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#else
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return gtk_layout_get_vadjustment(layout);
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#endif
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}
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GtkAdjustment *nsgtk_layout_get_hadjustment(GtkLayout *layout)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_scrollable_get_hadjustment(GTK_SCROLLABLE(layout));
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#else
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return gtk_layout_get_hadjustment(layout);
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#endif
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}
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static void nsgtk_layout_set_adjustment_step_increment(GtkAdjustment *adj,
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int value)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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gtk_adjustment_set_step_increment(adj, value);
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#else
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adj->step_increment = value;
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#endif
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}
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void nsgtk_layout_set_hadjustment(GtkLayout *layout, GtkAdjustment *adj)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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gtk_scrollable_set_hadjustment(GTK_SCROLLABLE(layout), adj);
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#else
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gtk_layout_set_hadjustment(layout, adj);
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#endif
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nsgtk_layout_set_adjustment_step_increment(adj, 8);
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}
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void nsgtk_layout_set_vadjustment(GtkLayout *layout, GtkAdjustment *adj)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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gtk_scrollable_set_vadjustment(GTK_SCROLLABLE(layout), adj);
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#else
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gtk_layout_set_vadjustment(layout, adj);
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#endif
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nsgtk_layout_set_adjustment_step_increment(adj, 8);
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}
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GtkWidget *nsgtk_hbox_new(gboolean homogeneous, gint spacing)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_box_new(GTK_ORIENTATION_HORIZONTAL, spacing);
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#else
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return gtk_hbox_new(homogeneous, spacing);
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#endif
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}
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GtkWidget *nsgtk_vbox_new(gboolean homogeneous, gint spacing)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_box_new(GTK_ORIENTATION_VERTICAL, spacing);
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#else
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return gtk_vbox_new(homogeneous, spacing);
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#endif
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}
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GtkStateFlags nsgtk_widget_get_state_flags(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_widget_get_state_flags(widget);
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#else
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#if GTK_CHECK_VERSION(2,18,0)
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return gtk_widget_get_state(widget);
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#else
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return 0; /* FIXME */
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#endif
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#endif
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}
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GtkStyleContext *nsgtk_widget_get_style_context(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_widget_get_style_context(widget);
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#else
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return widget->style;
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#endif
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}
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const PangoFontDescription* nsgtk_style_context_get_font(GtkStyleContext *style,
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GtkStateFlags state)
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{
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#if GTK_CHECK_VERSION(3,8,0)
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const PangoFontDescription* fontdesc = NULL;
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gtk_style_context_get(style, state, GTK_STYLE_PROPERTY_FONT, &fontdesc, NULL);
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return fontdesc;
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#else
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#if GTK_CHECK_VERSION(3,0,0)
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return gtk_style_context_get_font(style, state);
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#else
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return style->font_desc;
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#endif
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#endif
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}
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gulong nsgtk_connect_draw_event(GtkWidget *widget,
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GCallback callback,
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gpointer g)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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return g_signal_connect(G_OBJECT(widget), "draw", callback, g);
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#else
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return g_signal_connect(G_OBJECT(widget), "expose_event", callback, g);
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#endif
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}
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void nsgdk_cursor_unref(GdkCursor *cursor)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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g_object_unref(cursor);
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#else
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gdk_cursor_unref(cursor);
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#endif
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}
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void nsgtk_widget_modify_font(GtkWidget *widget,
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PangoFontDescription *font_desc)
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{
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#if GTK_CHECK_VERSION(3,0,0)
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/* FIXME */
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return;
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#else
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gtk_widget_modify_font(widget, font_desc);
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#endif
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}
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GdkWindow *nsgtk_widget_get_window(GtkWidget *widget)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_widget_get_window(widget);
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#else
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return widget->window;
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#endif
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}
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GtkWidget *nsgtk_dialog_get_content_area(GtkDialog *dialog)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_dialog_get_content_area(dialog);
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#else
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return dialog->vbox;
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#endif
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}
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gboolean nsgtk_show_uri(GdkScreen *screen,
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const gchar *uri,
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guint32 timestamp,
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GError **error)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_show_uri(screen, uri, timestamp, error);
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#else
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return FALSE; /* FIXME */
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#endif
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}
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GdkWindow *nsgtk_layout_get_bin_window(GtkLayout *layout)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_layout_get_bin_window(layout);
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#else
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return layout->bin_window;
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#endif
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}
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gdouble nsgtk_adjustment_get_step_increment(GtkAdjustment *adjustment)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_adjustment_get_step_increment(adjustment);
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#else
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return adjustment->step_increment;
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#endif
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}
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gdouble nsgtk_adjustment_get_upper(GtkAdjustment *adjustment)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_adjustment_get_upper(adjustment);
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#else
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return adjustment->upper;
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#endif
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}
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gdouble nsgtk_adjustment_get_lower(GtkAdjustment *adjustment)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_adjustment_get_lower(adjustment);
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#else
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return adjustment->lower;
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#endif
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}
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gdouble nsgtk_adjustment_get_page_increment(GtkAdjustment *adjustment)
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{
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#if GTK_CHECK_VERSION(2,14,0)
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return gtk_adjustment_get_page_increment(adjustment);
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#else
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return adjustment->page_increment;
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#endif
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}
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void nsgtk_widget_get_allocation(GtkWidget *widget, GtkAllocation *allocation)
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{
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#if GTK_CHECK_VERSION(2,18,0)
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gtk_widget_get_allocation(widget, allocation);
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#else
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allocation->x = widget->allocation.x;
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allocation->y = widget->allocation.y;
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allocation->width = widget->allocation.width;
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allocation->height = widget->allocation.height;
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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GtkWidget *nsgtk_image_new_from_pixbuf_icon(GdkPixbuf *pixbuf, GtkIconSize size)
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{
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#if GTK_CHECK_VERSION(3,10,0)
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return gtk_image_new_from_pixbuf(pixbuf);
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#else
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GtkIconSet *icon_set;
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GtkWidget *image;
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icon_set = gtk_icon_set_new_from_pixbuf(pixbuf);
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image = gtk_image_new_from_icon_set(icon_set, size);
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gtk_icon_set_unref(icon_set);
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return image;
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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void nsgtk_window_set_opacity(GtkWindow *window, gdouble opacity)
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{
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#if GTK_CHECK_VERSION(3,8,0)
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gtk_widget_set_opacity(GTK_WIDGET(window), opacity);
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#else
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gtk_window_set_opacity(window, opacity);
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#endif
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}
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/* exported interface documented in gtk/compat.h */
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void nsgtk_scrolled_window_add_with_viewport(GtkScrolledWindow *window,
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GtkWidget *child)
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{
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#if GTK_CHECK_VERSION(3,8,0)
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gtk_container_add(GTK_CONTAINER(window), child);
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#else
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gtk_scrolled_window_add_with_viewport(window, child);
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#endif
|
|
}
|
|
|
|
/* exported interface documented in gtk/compat.h */
|
|
GtkWidget *nsgtk_image_menu_item_new_with_mnemonic(const gchar *label)
|
|
{
|
|
#if GTK_CHECK_VERSION(3,10,0)
|
|
return gtk_menu_item_new_with_mnemonic(label);
|
|
#else
|
|
return gtk_image_menu_item_new_with_mnemonic(label);
|
|
#endif
|
|
}
|
|
|
|
/* exported interface documented in gtk/compat.h */
|
|
void nsgtk_image_menu_item_set_image(GtkWidget *image_menu_item, GtkWidget *image)
|
|
{
|
|
#if !GTK_CHECK_VERSION(3,10,0)
|
|
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(image_menu_item), image);
|
|
#endif
|
|
}
|
|
|
|
/* exported interface documented in gtk/compat.h */
|
|
gboolean nsgtk_icon_size_lookup_for_settings(GtkSettings *settings,
|
|
GtkIconSize size,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
#if GTK_CHECK_VERSION(3,10,0)
|
|
return gtk_icon_size_lookup(size, width, height);
|
|
#else
|
|
return gtk_icon_size_lookup_for_settings(settings, size, width, height);
|
|
#endif
|
|
}
|
|
|
|
/* exported interface documented in gtk/compat.h */
|
|
void nsgtk_widget_set_alignment(GtkWidget *widget, GtkAlign halign, GtkAlign valign)
|
|
{
|
|
#if GTK_CHECK_VERSION(3,0,0)
|
|
gtk_widget_set_halign(widget, halign);
|
|
gtk_widget_set_valign(widget, valign);
|
|
#else
|
|
gfloat x, y;
|
|
switch(halign) {
|
|
case GTK_ALIGN_START:
|
|
x = 0.0;
|
|
break;
|
|
|
|
case GTK_ALIGN_END:
|
|
x = 1.0;
|
|
break;
|
|
|
|
default:
|
|
x = 0.5;
|
|
break;
|
|
}
|
|
|
|
switch(valign) {
|
|
case GTK_ALIGN_START:
|
|
y = 0.0;
|
|
break;
|
|
|
|
case GTK_ALIGN_END:
|
|
y = 1.0;
|
|
break;
|
|
|
|
default:
|
|
y = 0.5;
|
|
break;
|
|
}
|
|
|
|
gtk_misc_set_alignment(GTK_MISC(widget), x, y);
|
|
#endif
|
|
}
|
|
|
|
/* exported interface documented in gtk/compat.h */
|
|
void nsgtk_widget_set_margins(GtkWidget *widget, gint hmargin, gint vmargin)
|
|
{
|
|
#if GTK_CHECK_VERSION(3,0,0)
|
|
#if GTK_CHECK_VERSION(3,12,0)
|
|
gtk_widget_set_margin_start(widget, hmargin);
|
|
gtk_widget_set_margin_end(widget, hmargin);
|
|
#else
|
|
gtk_widget_set_margin_left(widget, hmargin);
|
|
gtk_widget_set_margin_right(widget, hmargin);
|
|
#endif
|
|
gtk_widget_set_margin_top(widget, vmargin);
|
|
gtk_widget_set_margin_bottom(widget, vmargin);
|
|
#else
|
|
gtk_misc_set_padding(GTK_MISC(widget), hmargin, vmargin);
|
|
#endif
|
|
}
|
|
|
|
/* exported interface documented in gtk/compat.h */
|
|
guint
|
|
nsgtk_builder_add_from_resource(GtkBuilder *builder,
|
|
const gchar *resource_path,
|
|
GError **error)
|
|
{
|
|
guint ret;
|
|
|
|
#ifdef WITH_GRESOURCE
|
|
#if GTK_CHECK_VERSION(3,4,0)
|
|
ret = gtk_builder_add_from_resource(builder, resource_path, error);
|
|
#else
|
|
GBytes *data;
|
|
const gchar *buffer;
|
|
gsize buffer_length;
|
|
|
|
g_assert(error && *error == NULL);
|
|
|
|
data = g_resources_lookup_data(resource_path, 0, error);
|
|
if (data == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
buffer_length = 0;
|
|
buffer = g_bytes_get_data(data, &buffer_length);
|
|
g_assert(buffer != NULL);
|
|
|
|
ret = gtk_builder_add_from_string(builder, buffer, buffer_length, error);
|
|
|
|
g_bytes_unref(data);
|
|
#endif
|
|
#else
|
|
ret = 0; /* return an error as GResource not supported before GLIB 2.32 */
|
|
#endif
|
|
return ret;
|
|
}
|