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netsurf/frontends/gtk/compat.c

680 lines
15 KiB

/*
* Copyright 2010 Rob Kendrick <rjek@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file
* Compatibility functions for older GTK versions implementation
*/
#include <stdint.h>
#include "gtk/compat.h"
#ifdef _SEXY_ICON_ENTRY_H_
#include "gtk/sexy_icon_entry.c"
/*
* exported interface documented in gtk/compat.h
*
* Only required for the lib sexy interface before 2.16
*/
GtkStateType nsgtk_widget_get_state(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,18,0)
return gtk_widget_get_state(widget);
#else
return GTK_WIDGET_STATE(widget);
#endif
}
#endif
void nsgtk_widget_set_can_focus(GtkWidget *widget, gboolean can_focus)
{
#if GTK_CHECK_VERSION(2,22,0)
gtk_widget_set_can_focus(widget, can_focus);
#else
if (can_focus == TRUE)
GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS);
else
GTK_WIDGET_UNSET_FLAGS(widget, GTK_CAN_FOCUS);
#endif
}
gboolean nsgtk_widget_has_focus(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,20,0)
return gtk_widget_has_focus(widget);
#else
return GTK_WIDGET_HAS_FOCUS(widget);
#endif
}
gboolean nsgtk_widget_get_visible(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,20,0)
return gtk_widget_get_visible(widget);
#else
return GTK_WIDGET_VISIBLE(widget);
#endif
}
gboolean nsgtk_widget_get_realized(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,20,0)
return gtk_widget_get_realized(widget);
#else
return GTK_WIDGET_REALIZED(widget);
#endif
}
gboolean nsgtk_widget_get_mapped(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,20,0)
return gtk_widget_get_mapped(widget);
#else
return GTK_WIDGET_MAPPED(widget);
#endif
}
gboolean nsgtk_widget_is_drawable(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,18,0)
return gtk_widget_is_drawable(widget);
#else
return GTK_WIDGET_DRAWABLE(widget);
#endif
}
void nsgtk_dialog_set_has_separator(GtkDialog *dialog, gboolean setting)
{
#if GTK_CHECK_VERSION(2,21,8)
/* Deprecated */
#else
gtk_dialog_set_has_separator(dialog, setting);
#endif
}
GtkWidget *nsgtk_combo_box_text_new(void)
{
#if GTK_CHECK_VERSION(2,24,0)
return gtk_combo_box_text_new();
#else
return gtk_combo_box_new_text();
#endif
}
void nsgtk_combo_box_text_append_text(GtkWidget *combo_box, const gchar *text)
{
#if GTK_CHECK_VERSION(2,24,0)
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo_box), text);
#else
gtk_combo_box_append_text(GTK_COMBO_BOX(combo_box), text);
#endif
}
gchar *nsgtk_combo_box_text_get_active_text(GtkWidget *combo_box)
{
#if GTK_CHECK_VERSION(2,24,0)
return gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(combo_box));
#else
return gtk_combo_box_get_active_text(GTK_COMBO_BOX(combo_box));
#endif
}
GtkWidget *nsgtk_entry_new(void)
{
#if GTK_CHECK_VERSION(2,16,0)
return gtk_entry_new();
#else
return GTK_WIDGET(sexy_icon_entry_new());
#endif
}
void nsgtk_entry_set_icon_from_pixbuf(GtkWidget *entry,
GtkEntryIconPosition icon_pos,
GdkPixbuf *pixbuf)
{
#if GTK_CHECK_VERSION(2,16,0)
gtk_entry_set_icon_from_pixbuf(GTK_ENTRY(entry), icon_pos, pixbuf);
#else
GtkImage *image = GTK_IMAGE(gtk_image_new_from_pixbuf(pixbuf));
if (image != NULL) {
sexy_icon_entry_set_icon(SEXY_ICON_ENTRY(entry),
(SexyIconEntryPosition)icon_pos,
image);
g_object_unref(image);
}
#endif
}
/* exported interface documented in gtk/compat.h */
void nsgtk_entry_set_icon_from_icon_name(GtkWidget *entry,
GtkEntryIconPosition icon_pos,
const gchar *id)
{
#ifdef NSGTK_USE_ICON_NAME
gtk_entry_set_icon_from_icon_name(GTK_ENTRY(entry), icon_pos, id);
#else
#if GTK_CHECK_VERSION(2,16,0)
gtk_entry_set_icon_from_icon_name(GTK_ENTRY(entry), icon_pos, id);
#else
GtkImage *image;
image = GTK_IMAGE(gtk_image_new_from_stock(id, GTK_ICON_SIZE_LARGE_TOOLBAR));
if (image != NULL) {
sexy_icon_entry_set_icon(SEXY_ICON_ENTRY(entry),
(SexyIconEntryPosition)icon_pos,
image);
g_object_unref(image);
}
#endif
#endif
}
/* exported interface documented in gtk/compat.h */
GtkWidget *nsgtk_image_new_from_stock(const gchar *id, GtkIconSize size)
{
#ifdef NSGTK_USE_ICON_NAME
return gtk_image_new_from_icon_name(id, size);
#else
return gtk_image_new_from_stock(id, size);
#endif
}
/* exported interface documented in gtk/compat.h */
GtkWidget *nsgtk_button_new_from_stock(const gchar *stock_id)
{
#ifdef NSGTK_USE_ICON_NAME
return gtk_button_new_with_label(stock_id);
#else
return gtk_button_new_from_stock(stock_id);
#endif
}
/* exported interface documented in gtk/compat.h */
void nsgtk_button_set_focus_on_click(GtkButton *button, gboolean focus_on_click)
{
#if GTK_CHECK_VERSION(3,20,0)
gtk_widget_set_focus_on_click(GTK_WIDGET(button), focus_on_click);
#else
gtk_button_set_focus_on_click(button, focus_on_click);
#endif
}
/* exported interface documented in gtk/compat.h */
gboolean nsgtk_stock_lookup(const gchar *stock_id, GtkStockItem *item)
{
#ifdef NSGTK_USE_ICON_NAME
return FALSE;
#else
return gtk_stock_lookup(stock_id, item);
#endif
}
void nsgtk_widget_override_background_color(GtkWidget *widget,
GtkStateFlags state,
uint16_t a,
uint16_t r,
uint16_t g,
uint16_t b)
{
#if GTK_CHECK_VERSION(3,0,0)
#if GTK_CHECK_VERSION(3,16,0)
/* do nothing - deprecated - must use css styling */
return;
#else
GdkRGBA colour;
colour.alpha = (double)a / 0xffff;
colour.red = (double)r / 0xffff;
colour.green = (double)g / 0xffff;
colour.blue = (double)b / 0xffff;
gtk_widget_override_background_color(widget, state, &colour);
#endif
#else
GdkColor colour;
colour.pixel = a;
colour.red = r;
colour.green = g;
colour.blue = b;
gtk_widget_modify_bg(widget, state, &colour );
#endif
}
GtkAdjustment *nsgtk_layout_get_vadjustment(GtkLayout *layout)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(layout));
#else
return gtk_layout_get_vadjustment(layout);
#endif
}
GtkAdjustment *nsgtk_layout_get_hadjustment(GtkLayout *layout)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_scrollable_get_hadjustment(GTK_SCROLLABLE(layout));
#else
return gtk_layout_get_hadjustment(layout);
#endif
}
static void nsgtk_layout_set_adjustment_step_increment(GtkAdjustment *adj,
int value)
{
#if GTK_CHECK_VERSION(2,14,0)
gtk_adjustment_set_step_increment(adj, value);
#else
adj->step_increment = value;
#endif
}
void nsgtk_layout_set_hadjustment(GtkLayout *layout, GtkAdjustment *adj)
{
#if GTK_CHECK_VERSION(3,0,0)
gtk_scrollable_set_hadjustment(GTK_SCROLLABLE(layout), adj);
#else
gtk_layout_set_hadjustment(layout, adj);
#endif
nsgtk_layout_set_adjustment_step_increment(adj, 8);
}
void nsgtk_layout_set_vadjustment(GtkLayout *layout, GtkAdjustment *adj)
{
#if GTK_CHECK_VERSION(3,0,0)
gtk_scrollable_set_vadjustment(GTK_SCROLLABLE(layout), adj);
#else
gtk_layout_set_vadjustment(layout, adj);
#endif
nsgtk_layout_set_adjustment_step_increment(adj, 8);
}
GtkWidget *nsgtk_hbox_new(gboolean homogeneous, gint spacing)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_box_new(GTK_ORIENTATION_HORIZONTAL, spacing);
#else
return gtk_hbox_new(homogeneous, spacing);
#endif
}
GtkWidget *nsgtk_vbox_new(gboolean homogeneous, gint spacing)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_box_new(GTK_ORIENTATION_VERTICAL, spacing);
#else
return gtk_vbox_new(homogeneous, spacing);
#endif
}
GtkStateFlags nsgtk_widget_get_state_flags(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_widget_get_state_flags(widget);
#else
#if GTK_CHECK_VERSION(2,18,0)
return gtk_widget_get_state(widget);
#else
return 0; /* FIXME */
#endif
#endif
}
GtkStyleContext *nsgtk_widget_get_style_context(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_widget_get_style_context(widget);
#else
return widget->style;
#endif
}
const PangoFontDescription* nsgtk_style_context_get_font(GtkStyleContext *style,
GtkStateFlags state)
{
#if GTK_CHECK_VERSION(3,8,0)
const PangoFontDescription* fontdesc = NULL;
gtk_style_context_get(style, state, GTK_STYLE_PROPERTY_FONT, &fontdesc, NULL);
return fontdesc;
#else
#if GTK_CHECK_VERSION(3,0,0)
return gtk_style_context_get_font(style, state);
#else
return style->font_desc;
#endif
#endif
}
gulong nsgtk_connect_draw_event(GtkWidget *widget,
GCallback callback,
gpointer g)
{
#if GTK_CHECK_VERSION(3,0,0)
return g_signal_connect(G_OBJECT(widget), "draw", callback, g);
#else
return g_signal_connect(G_OBJECT(widget), "expose_event", callback, g);
#endif
}
void nsgdk_cursor_unref(GdkCursor *cursor)
{
#if GTK_CHECK_VERSION(3,0,0)
g_object_unref(cursor);
#else
gdk_cursor_unref(cursor);
#endif
}
void nsgtk_widget_modify_font(GtkWidget *widget,
PangoFontDescription *font_desc)
{
#if GTK_CHECK_VERSION(3,0,0)
/* FIXME */
return;
#else
gtk_widget_modify_font(widget, font_desc);
#endif
}
GdkWindow *nsgtk_widget_get_window(GtkWidget *widget)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_widget_get_window(widget);
#else
return widget->window;
#endif
}
GtkWidget *nsgtk_dialog_get_content_area(GtkDialog *dialog)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_dialog_get_content_area(dialog);
#else
return dialog->vbox;
#endif
}
#if GTK_CHECK_VERSION(3,22,0)
#include "gtk/scaffolding.h"
#endif
gboolean nsgtk_show_uri(GdkScreen *screen,
const gchar *uri,
guint32 timestamp,
GError **error)
{
#if GTK_CHECK_VERSION(2,14,0)
#if GTK_CHECK_VERSION(3,22,0)
GtkWindow *parent;
parent = nsgtk_scaffolding_window(nsgtk_current_scaffolding());
return gtk_show_uri_on_window(parent, uri, timestamp,error);
#else
return gtk_show_uri(screen, uri, timestamp, error);
#endif
#else
return FALSE; /** \todo add uri opening for before gtk 2.14 */
#endif
}
GdkWindow *nsgtk_layout_get_bin_window(GtkLayout *layout)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_layout_get_bin_window(layout);
#else
return layout->bin_window;
#endif
}
gdouble nsgtk_adjustment_get_step_increment(GtkAdjustment *adjustment)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_adjustment_get_step_increment(adjustment);
#else
return adjustment->step_increment;
#endif
}
gdouble nsgtk_adjustment_get_upper(GtkAdjustment *adjustment)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_adjustment_get_upper(adjustment);
#else
return adjustment->upper;
#endif
}
gdouble nsgtk_adjustment_get_lower(GtkAdjustment *adjustment)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_adjustment_get_lower(adjustment);
#else
return adjustment->lower;
#endif
}
gdouble nsgtk_adjustment_get_page_increment(GtkAdjustment *adjustment)
{
#if GTK_CHECK_VERSION(2,14,0)
return gtk_adjustment_get_page_increment(adjustment);
#else
return adjustment->page_increment;
#endif
}
void nsgtk_widget_get_allocation(GtkWidget *widget, GtkAllocation *allocation)
{
#if GTK_CHECK_VERSION(2,18,0)
gtk_widget_get_allocation(widget, allocation);
#else
allocation->x = widget->allocation.x;
allocation->y = widget->allocation.y;
allocation->width = widget->allocation.width;
allocation->height = widget->allocation.height;
#endif
}
/* exported interface documented in gtk/compat.h */
GtkWidget *nsgtk_image_new_from_pixbuf_icon(GdkPixbuf *pixbuf, GtkIconSize size)
{
#if GTK_CHECK_VERSION(3,10,0)
return gtk_image_new_from_pixbuf(pixbuf);
#else
GtkIconSet *icon_set;
GtkWidget *image;
icon_set = gtk_icon_set_new_from_pixbuf(pixbuf);
image = gtk_image_new_from_icon_set(icon_set, size);
gtk_icon_set_unref(icon_set);
return image;
#endif
}
/* exported interface documented in gtk/compat.h */
void nsgtk_window_set_opacity(GtkWindow *window, gdouble opacity)
{
#if GTK_CHECK_VERSION(3,8,0)
gtk_widget_set_opacity(GTK_WIDGET(window), opacity);
#else
gtk_window_set_opacity(window, opacity);
#endif
}
/* exported interface documented in gtk/compat.h */
void nsgtk_scrolled_window_add_with_viewport(GtkScrolledWindow *window,
GtkWidget *child)
{
#if GTK_CHECK_VERSION(3,8,0)
gtk_container_add(GTK_CONTAINER(window), child);
#else
gtk_scrolled_window_add_with_viewport(window, child);
#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 */
void nsgtk_menu_popup_at_pointer(GtkMenu *menu, const GdkEvent *trigger_event)
{
#if GTK_CHECK_VERSION(3,22,0)
gtk_menu_popup_at_pointer(menu, trigger_event);
#else
gtk_menu_popup(menu, NULL, NULL, NULL, NULL, 0,
gtk_get_current_event_time());
#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
if (GTK_IS_MISC(widget)) {
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;
}