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-rw-r--r--frontends/gtk/compat.c640
1 files changed, 640 insertions, 0 deletions
diff --git a/frontends/gtk/compat.c b/frontends/gtk/compat.c
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index 000000000..4c5524b0e
--- /dev/null
+++ b/frontends/gtk/compat.c
@@ -0,0 +1,640 @@
+/*
+ * 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_stock(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_stock(GTK_ENTRY(entry), icon_pos, id);
+#else
+ GtkImage *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 */
+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)
+ 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);
+#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
+}
+
+gboolean nsgtk_show_uri(GdkScreen *screen,
+ const gchar *uri,
+ guint32 timestamp,
+ GError **error)
+{
+#if GTK_CHECK_VERSION(2,14,0)
+ return gtk_show_uri(screen, uri, timestamp, error);
+#else
+ return FALSE; /* FIXME */
+#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 */
+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;
+}