mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-23 14:59:47 +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.
297 lines
10 KiB
C
297 lines
10 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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/** \file
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* Compatibility functions for older GTK versions (interface)
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*/
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#ifndef NETSURF_GTK_COMPAT_H_
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#define NETSURF_GTK_COMPAT_H_
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#include <stdint.h>
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#include <gtk/gtk.h>
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/* gtk 3.10 depricated the use of stock names */
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#if GTK_CHECK_VERSION(3,10,0)
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#define NSGTK_USE_ICON_NAME
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#else
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#undef NSGTK_USE_ICON_NAME
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#endif
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/* icon names instead of stock */
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#ifdef NSGTK_USE_ICON_NAME
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#define NSGTK_STOCK_ADD "list-add"
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#define NSGTK_STOCK_CANCEL "_Cancel"
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#define NSGTK_STOCK_CLEAR "edit-clear"
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#define NSGTK_STOCK_CLOSE "window-close"
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#define NSGTK_STOCK_FIND "edit-find"
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#define NSGTK_STOCK_GO_BACK "go-previous"
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#define NSGTK_STOCK_GO_FORWARD "go-next"
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#define NSGTK_STOCK_HOME "go-home"
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#define NSGTK_STOCK_INFO "dialog-information"
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#define NSGTK_STOCK_REFRESH "view-refresh"
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#define NSGTK_STOCK_SAVE "document-save"
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#define NSGTK_STOCK_SAVE_AS "document-save-as"
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#define NSGTK_STOCK_STOP "process-stop"
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#define NSGTK_STOCK_OK "_OK"
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#define NSGTK_STOCK_OPEN "_Open"
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#else
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#define NSGTK_STOCK_ADD GTK_STOCK_ADD
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#define NSGTK_STOCK_CANCEL GTK_STOCK_CANCEL
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#define NSGTK_STOCK_CLEAR GTK_STOCK_CLEAR
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#define NSGTK_STOCK_CLOSE GTK_STOCK_CLOSE
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#define NSGTK_STOCK_FIND GTK_STOCK_FIND
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#define NSGTK_STOCK_GO_BACK GTK_STOCK_GO_BACK
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#define NSGTK_STOCK_GO_FORWARD GTK_STOCK_GO_FORWARD
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#define NSGTK_STOCK_HOME GTK_STOCK_HOME
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#define NSGTK_STOCK_INFO GTK_STOCK_INFO
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#define NSGTK_STOCK_REFRESH GTK_STOCK_REFRESH
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#define NSGTK_STOCK_SAVE GTK_STOCK_SAVE
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#define NSGTK_STOCK_SAVE_AS GTK_STOCK_SAVE_AS
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#define NSGTK_STOCK_STOP GTK_STOCK_STOP
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#define NSGTK_STOCK_OK GTK_STOCK_OK
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#define NSGTK_STOCK_OPEN GTK_STOCK_OPEN
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#endif
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/* widget alignment only available since 3.0 */
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#if !GTK_CHECK_VERSION(3,0,0)
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typedef enum {
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GTK_ALIGN_FILL,
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GTK_ALIGN_START,
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GTK_ALIGN_END,
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GTK_ALIGN_CENTER,
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GTK_ALIGN_BASELINE
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} GtkAlign;
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#endif
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/**
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* Set the alignment of a widget.
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*
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* sets both the horizontal and vertical alignement of a widget
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*
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* @note this type of alignemnt was not available prior to GTK 3.0 so
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* we emulate it using gtk_misc_set_alignment.
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*
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* \param widget The widget to set alignent on.
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* \param halign The horizontal alignment to set.
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* \param valign The vertical alignment to set
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*/
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void nsgtk_widget_set_alignment(GtkWidget *widget, GtkAlign halign, GtkAlign valign);
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/**
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* Set the margins of a widget
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*
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* Sets the margin all round a widget.
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*
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* @note this type of margin was not available prior to GTK 3.0 so
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* we emulate it using gtk_misc_set_padding.
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*
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* \param widget The widget to set alignent on.
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* \param hmargin The horizontal margin.
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* \param vmargin The vertical margin.
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*/
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void nsgtk_widget_set_margins(GtkWidget *widget, gint hmargin, gint vmargin);
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void nsgtk_widget_set_can_focus(GtkWidget *widget, gboolean can_focus);
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gboolean nsgtk_widget_has_focus(GtkWidget *widget);
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gboolean nsgtk_widget_get_visible(GtkWidget *widget);
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gboolean nsgtk_widget_get_realized(GtkWidget *widget);
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gboolean nsgtk_widget_get_mapped(GtkWidget *widget);
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gboolean nsgtk_widget_is_drawable(GtkWidget *widget);
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void nsgtk_dialog_set_has_separator(GtkDialog *dialog, gboolean setting);
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GtkWidget *nsgtk_combo_box_text_new(void);
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void nsgtk_combo_box_text_append_text(GtkWidget *combo_box, const gchar *text);
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gchar *nsgtk_combo_box_text_get_active_text(GtkWidget *combo_box);
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/**
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* creates a new image widget of an appropriate icon size from a pixbuf.
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*
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* \param pixbuf The pixbuf to use as a source.
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* \param size The size of icon to create
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* \return An image widget.
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*/
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GtkWidget *nsgtk_image_new_from_pixbuf_icon(GdkPixbuf *pixbuf, GtkIconSize size);
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/* GTK prior to 2.16 needs the sexy interface for icons */
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#if !GTK_CHECK_VERSION(2,16,0)
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#include "gtk/sexy_icon_entry.h"
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typedef enum {
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GTK_ENTRY_ICON_PRIMARY = SEXY_ICON_ENTRY_PRIMARY,
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GTK_ENTRY_ICON_SECONDARY = SEXY_ICON_ENTRY_SECONDARY
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} GtkEntryIconPosition;
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GtkStateType nsgtk_widget_get_state(GtkWidget *widget);
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#endif
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#if GTK_CHECK_VERSION (2, 90, 7)
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#define GDK_KEY(symbol) GDK_KEY_##symbol
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#else
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#include <gdk/gdkkeysyms.h>
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#define GDK_KEY(symbol) GDK_##symbol
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#endif
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#if !GTK_CHECK_VERSION(3,0,0)
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typedef GtkStateType GtkStateFlags;
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typedef GtkStyle GtkStyleContext;
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#if GTK_CHECK_VERSION(2,22,0)
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enum {
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GTK_IN_DESTRUCTION = 1 << 0,
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};
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#define GTK_OBJECT_FLAGS(obj) (GTK_OBJECT (obj)->flags)
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#endif
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#define gtk_widget_in_destruction(widget) \
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(GTK_OBJECT_FLAGS(GTK_OBJECT(widget)) & GTK_IN_DESTRUCTION)
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#endif
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/**
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* Sets the icon shown in the entry at the specified position from a
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* stock image.
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*
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* Compatability interface for original deprecated in GTK 3.10
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*
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* \param entry The entry widget to set the icon on.
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* \param icon_pos The position of the icon.
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* \param stock_id the name of the stock item.
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*/
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void nsgtk_entry_set_icon_from_stock(GtkWidget *entry, GtkEntryIconPosition icon_pos, const gchar *stock_id);
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/**
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* Creates a GtkImage displaying a stock icon.
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*
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* Compatability interface for original deprecated in GTK 3.10
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*
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* \param stock_id the name of the stock item.
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* \param size The size of icon to create.
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* \return The created image widget or NULL on error
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*/
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GtkWidget *nsgtk_image_new_from_stock(const gchar *stock_id, GtkIconSize size);
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/**
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* Creates a new GtkButton containing the image and text from a stock item.
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*
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* Compatability interface for original deprecated in GTK 3.10
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*
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* \param stock_id the name of the stock item
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*/
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GtkWidget *nsgtk_button_new_from_stock(const gchar *stock_id);
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/**
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* Fills item with the registered values for stock_id.
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*
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* Compatability interface for original deprecated in GTK 3.10
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*
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* \param stock_id the name of the stock item.
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* \param item The structure to update if the stock_id was known.
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* \return TRUE if stock_id was known.
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*/
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gboolean nsgtk_stock_lookup(const gchar *stock_id, GtkStockItem *item);
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void nsgtk_window_set_opacity(GtkWindow *window, gdouble opacity);
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void nsgtk_scrolled_window_add_with_viewport(GtkScrolledWindow *window, GtkWidget *child);
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GtkWidget *nsgtk_entry_new(void);
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void nsgtk_entry_set_icon_from_pixbuf(GtkWidget *entry, GtkEntryIconPosition icon_pos, GdkPixbuf *pixbuf);
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void nsgtk_widget_override_background_color(GtkWidget *widget, GtkStateFlags state, uint16_t a, uint16_t r, uint16_t g, uint16_t b);
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GtkWidget* nsgtk_hbox_new(gboolean homogeneous, gint spacing);
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GtkWidget* nsgtk_vbox_new(gboolean homogeneous, gint spacing);
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GtkStateFlags nsgtk_widget_get_state_flags(GtkWidget *widget);
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GtkStyleContext* nsgtk_widget_get_style_context(GtkWidget *widget);
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const PangoFontDescription* nsgtk_style_context_get_font(GtkStyleContext *style, GtkStateFlags state);
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gulong nsgtk_connect_draw_event(GtkWidget *widget, GCallback callback, gpointer g);
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void nsgdk_cursor_unref(GdkCursor *cursor);
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void nsgtk_widget_modify_font(GtkWidget *widget, PangoFontDescription *font_desc);
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GdkWindow *nsgtk_widget_get_window(GtkWidget *widget);
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GtkWidget *nsgtk_dialog_get_content_area(GtkDialog *dialog);
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gboolean nsgtk_show_uri(GdkScreen *screen, const gchar *uri, guint32 timestamp, GError **error);
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GdkWindow *nsgtk_layout_get_bin_window(GtkLayout *layout);
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void nsgtk_widget_get_allocation(GtkWidget *widget, GtkAllocation *allocation);
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gboolean nsgtk_icon_size_lookup_for_settings (GtkSettings *settings, GtkIconSize size, gint *width, gint *height);
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GtkAdjustment *nsgtk_layout_get_vadjustment(GtkLayout *layout);
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GtkAdjustment *nsgtk_layout_get_hadjustment(GtkLayout *layout);
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void nsgtk_layout_set_hadjustment(GtkLayout *layout, GtkAdjustment *adj);
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void nsgtk_layout_set_vadjustment(GtkLayout *layout, GtkAdjustment *adj);
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gdouble nsgtk_adjustment_get_step_increment(GtkAdjustment *adjustment);
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gdouble nsgtk_adjustment_get_upper(GtkAdjustment *adjustment);
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gdouble nsgtk_adjustment_get_lower(GtkAdjustment *adjustment);
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gdouble nsgtk_adjustment_get_page_increment(GtkAdjustment *adjustment);
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/* menu compatability */
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/**
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* Creates a new GtkImageMenuItem containing a label.
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*
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* Compatability interface for original deprecated in GTK 3.10.
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* @note post 3.10 this creates a GtkMenuItem.
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*
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* \param label The text of the button, with an underscore in front of
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* the mnemonic character.
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* \return a new GtkMenuItem
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*/
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GtkWidget *nsgtk_image_menu_item_new_with_mnemonic(const gchar *label);
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/**
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* Sets the image of image_menu_item to the given widget.
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*
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* Compatability interface for original deprecated in GTK 3.10.
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* @note post 3.10 this is empty as menu creation generates GtkMenuItem.
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*
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* \param image_menu_item The image menu entry item.
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* \param image The image to set.
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*/
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void nsgtk_image_menu_item_set_image(GtkWidget *image_menu_item, GtkWidget *image);
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/**
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* Parses a resource file containing a GtkBuilder UI definition and
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* merges it with the current contents of builder.
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*
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* Compatability interface as this did not exist prior to GTK 3.4
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*
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* GTK prior to 3.4 can have the resources in a GResource but
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* gtk_builder cannot directly instantiate from them
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*
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* GTK 3.4 onwards can use gtk_builder_add_from_resource() to add
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* directly from resources. The gtk_builder_new_ type operations
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* cannot be used because they are only available post 3.10 and handle
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* all errors by aborting the application
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*
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* @note prior to GLIB 2.32 resources did not exist and this wrapper
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* returns the error code.
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*
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* \param builder a GtkBuilder
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* \param resource_path the path of the resource file to parse
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* \param error return location for an error, or NULL.
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* \return A positive value on success, 0 if an error occurred.
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*/
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guint nsgtk_builder_add_from_resource(GtkBuilder *builder, const gchar *resource_path, GError **error);
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#endif /* NETSURF_GTK_COMPAT_H */
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