3 * Copyright (C) 2010 Benjamin Otte <otte@gnome.ogr>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
22 #include "prop-editor.h"
24 /* This is exactly the style information you've been looking for */
25 #define GTK_STYLE_PROVIDER_PRIORITY_FORCE G_MAXUINT
30 " background-image: none;\n" \
31 " background-color: red;\n" \
32 " border-color: black;\n" \
33 " border-radius: 0;\n" \
36 ".play:nth-child(even) {\n" \
37 " background-color: yellow\n" \
40 ".play:nth-child(first) {\n" \
41 " border-radius: 5 0 0 5;\n" \
44 ".play:nth-child(last) {\n" \
45 " border-radius: 0 5 5 0;\n" \
50 show_parsing_error (GtkCssProvider *provider,
55 GtkTextBuffer *buffer)
57 GtkTextIter start, end;
60 gtk_text_buffer_get_iter_at_line (buffer, &start, line - 1);
61 if (gtk_text_buffer_get_line_count (buffer) <= line)
62 gtk_text_buffer_get_end_iter (buffer, &end);
64 gtk_text_buffer_get_iter_at_line (buffer, &end, line);
66 if (g_error_matches (error, GTK_CSS_PROVIDER_ERROR, GTK_CSS_PROVIDER_ERROR_DEPRECATED))
71 gtk_text_buffer_apply_tag_by_name (buffer, tag_name, &start, &end);
75 css_text_changed (GtkTextBuffer *buffer,
76 GtkCssProvider *provider)
78 GtkTextIter start, end;
81 gtk_text_buffer_get_start_iter (buffer, &start);
82 gtk_text_buffer_get_end_iter (buffer, &end);
83 gtk_text_buffer_remove_all_tags (buffer, &start, &end);
85 text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
86 gtk_css_provider_load_from_data (provider, text, -1, NULL);
89 gtk_style_context_reset_widgets (gdk_screen_get_default ());
93 remove_widget (GtkWidget *widget)
95 gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (widget)), widget);
99 add_widget (GtkBox *box)
101 static int count = 0;
105 text = g_strdup_printf ("Remove %d", ++count);
106 button = gtk_button_new_from_stock (text);
108 gtk_style_context_add_class (gtk_widget_get_style_context (button), "play");
109 g_signal_connect_swapped (button,
111 G_CALLBACK (remove_widget),
113 gtk_widget_show (button);
114 gtk_container_add (GTK_CONTAINER (box), button);
118 set_orientation (GtkSwitch *switch_)
120 gtk_widget_set_default_direction (gtk_switch_get_active (switch_) ? GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL);
124 main (gint argc, gchar **argv)
126 GtkWidget *window, *main_box, *box, *container, *child;
127 GtkStyleProvider *provider;
130 gtk_init (&argc, &argv);
132 css = gtk_text_buffer_new (NULL);
133 gtk_text_buffer_create_tag (css,
135 "background", "rgba(255,255,0,0.3)",
137 gtk_text_buffer_create_tag (css,
139 "background", "rgba(255,0,0,0.3)",
142 provider = GTK_STYLE_PROVIDER (gtk_css_provider_new ());
143 gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
145 GTK_STYLE_PROVIDER_PRIORITY_FORCE);
147 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
149 g_signal_connect (window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
150 g_signal_connect (window, "delete_event", G_CALLBACK (gtk_main_quit), NULL);
152 main_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
153 gtk_container_add (GTK_CONTAINER (window), main_box);
155 box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
156 gtk_box_pack_start (GTK_BOX (main_box), box, FALSE, TRUE, 0);
158 container = gtk_scrolled_window_new (NULL, NULL);
159 gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (container), 200);
160 gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (container), 200);
161 gtk_box_pack_start (GTK_BOX (main_box), container, TRUE, TRUE, 0);
162 child = gtk_text_view_new_with_buffer (css);
163 gtk_container_add (GTK_CONTAINER (container), child);
164 g_signal_connect (css,
166 G_CALLBACK (css_text_changed),
168 gtk_text_buffer_set_text (css,
171 g_signal_connect (provider,
173 G_CALLBACK (show_parsing_error),
174 gtk_text_view_get_buffer (GTK_TEXT_VIEW (child)));
176 container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
177 gtk_box_pack_start (GTK_BOX (main_box), container, FALSE, TRUE, 0);
178 child = gtk_switch_new ();
179 gtk_switch_set_active (GTK_SWITCH (child), gtk_widget_get_default_direction () == GTK_TEXT_DIR_LTR);
180 g_signal_connect (child,
182 G_CALLBACK (set_orientation),
184 gtk_box_pack_start (GTK_BOX (container), child, FALSE, FALSE, 0);
185 child = gtk_label_new ("left-to-right");
186 gtk_box_pack_start (GTK_BOX (container), child, FALSE, FALSE, 0);
187 child = gtk_button_new_with_label ("Add widget");
188 g_signal_connect_swapped (child,
190 G_CALLBACK (add_widget),
192 gtk_box_pack_end (GTK_BOX (container), child, FALSE, FALSE, 0);
194 add_widget (GTK_BOX (box));
195 add_widget (GTK_BOX (box));
196 add_widget (GTK_BOX (box));
197 add_widget (GTK_BOX (box));
199 gtk_widget_show_all (window);