+++ /dev/null
-/* testbox.c
- *
- * Copyright (C) 2010 Benjamin Otte <otte@gnome.ogr>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-#include "config.h"
-#include <gtk/gtk.h>
-
-/* This is exactly the style information you've been looking for */
-#define GTK_STYLE_PROVIDER_PRIORITY_FORCE G_MAXUINT
-
-#define DEFAULT_CSS \
- ".play {\n" \
- " background-image: none;\n" \
- " background-color: red;\n" \
- " border-color: black;\n" \
- " border-radius: 0px;\n" \
- "}\n" \
- "\n" \
- ".play:nth-child(even) {\n" \
- " background-color: yellow;\n" \
- " color: green;\n" \
- "}\n" \
- "\n" \
- ".play:nth-child(first) {\n" \
- " border-radius: 5px 0px 0px 5px;\n" \
- "}\n" \
- "\n" \
- ".play:nth-child(last) {\n" \
- " border-radius: 0px 5px 5px 0px;\n" \
- "}\n" \
- "\n"
-
-static void
-show_parsing_error (GtkCssProvider *provider,
- GtkCssSection *section,
- const GError *error,
- GtkTextBuffer *buffer)
-{
- const GtkCssLocation *start_location, *end_location;
- GtkTextIter start, end;
- const char *tag_name;
-
- start_location = gtk_css_section_get_start_location (section);
- gtk_text_buffer_get_iter_at_line_index (buffer,
- &start,
- start_location->lines,
- start_location->line_bytes);
- end_location = gtk_css_section_get_end_location (section);
- gtk_text_buffer_get_iter_at_line_index (buffer,
- &end,
- end_location->lines,
- end_location->line_bytes);
-
- if (error->domain == GTK_CSS_PARSER_WARNING)
- tag_name = "warning";
- else
- tag_name = "error";
-
- gtk_text_buffer_apply_tag_by_name (buffer, tag_name, &start, &end);
-}
-
-static void
-css_text_changed (GtkTextBuffer *buffer,
- GtkCssProvider *provider)
-{
- GtkTextIter start, end;
- char *text;
-
- gtk_text_buffer_get_start_iter (buffer, &start);
- gtk_text_buffer_get_end_iter (buffer, &end);
- gtk_text_buffer_remove_all_tags (buffer, &start, &end);
-
- text = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
- gtk_css_provider_load_from_data (provider, text, -1);
- g_free (text);
-}
-
-static void
-remove_widget (GtkWidget *widget)
-{
- gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (widget)), widget);
-}
-
-static int count = 0;
-
-static void
-add_button (GtkBox *box)
-{
- GtkWidget* button;
- char *text;
-
- text = g_strdup_printf ("Remove %d", ++count);
- button = (GtkWidget *)gtk_button_new_with_label (text);
- g_free (text);
- gtk_style_context_add_class (gtk_widget_get_style_context (button), "play");
- g_signal_connect_swapped (button,
- "clicked",
- G_CALLBACK (remove_widget),
- button);
- gtk_widget_show (button);
- gtk_container_add (GTK_CONTAINER (box), button);
-}
-
-static void
-add_toolbutton (GtkToolbar *toolbar)
-{
- GtkWidget* button;
- char *text;
-
- text = g_strdup_printf ("Remove %d", ++count);
- button = (GtkWidget *)gtk_tool_button_new (NULL, text);
- g_free (text);
- gtk_style_context_add_class (gtk_widget_get_style_context (button), "play");
- g_signal_connect_swapped (button,
- "clicked",
- G_CALLBACK (remove_widget),
- button);
- gtk_widget_show (button);
- gtk_container_add (GTK_CONTAINER (toolbar), button);
-}
-
-static void
-set_orientation (GtkSwitch *switch_)
-{
- gtk_widget_set_default_direction (gtk_switch_get_active (switch_) ? GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL);
-}
-
-gint
-main (gint argc, gchar **argv)
-{
- GtkWidget *window, *main_box, *container, *child;
- GtkWidget *box, *toolbar;
- GtkStyleProvider *provider;
- GtkTextBuffer *css;
-
- gtk_init ();
-
- css = gtk_text_buffer_new (NULL);
- gtk_text_buffer_create_tag (css,
- "warning",
- "background", "rgba(255,255,0,0.3)",
- NULL);
- gtk_text_buffer_create_tag (css,
- "error",
- "background", "rgba(255,0,0,0.3)",
- NULL);
-
- provider = GTK_STYLE_PROVIDER (gtk_css_provider_new ());
- gtk_style_context_add_provider_for_display (gdk_display_get_default (),
- provider,
- GTK_STYLE_PROVIDER_PRIORITY_FORCE);
-
- window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-
- g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
-
- main_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
- gtk_container_add (GTK_CONTAINER (window), main_box);
-
- toolbar = gtk_toolbar_new ();
- gtk_toolbar_set_style (GTK_TOOLBAR (toolbar), GTK_TOOLBAR_TEXT);
- gtk_container_add (GTK_CONTAINER (main_box), toolbar);
-
- box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
- gtk_container_add (GTK_CONTAINER (main_box), box);
-
- container = gtk_scrolled_window_new (NULL, NULL);
- gtk_scrolled_window_set_min_content_width (GTK_SCROLLED_WINDOW (container), 200);
- gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (container), 200);
- gtk_widget_set_vexpand (container, TRUE);
- gtk_container_add (GTK_CONTAINER (main_box), container);
- child = gtk_text_view_new_with_buffer (css);
- gtk_container_add (GTK_CONTAINER (container), child);
- g_signal_connect (css,
- "changed",
- G_CALLBACK (css_text_changed),
- provider);
- gtk_text_buffer_set_text (css,
- DEFAULT_CSS,
- -1);
- g_signal_connect (provider,
- "parsing-error",
- G_CALLBACK (show_parsing_error),
- gtk_text_view_get_buffer (GTK_TEXT_VIEW (child)));
-
- container = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
- gtk_container_add (GTK_CONTAINER (main_box), container);
- child = gtk_switch_new ();
- gtk_switch_set_active (GTK_SWITCH (child), gtk_widget_get_default_direction () == GTK_TEXT_DIR_LTR);
- g_signal_connect (child,
- "notify::active",
- G_CALLBACK (set_orientation),
- NULL);
- gtk_container_add (GTK_CONTAINER (container), child);
- child = gtk_label_new ("left-to-right");
- gtk_widget_set_hexpand (child, TRUE);
- gtk_widget_set_halign (child, GTK_ALIGN_START);
- gtk_container_add (GTK_CONTAINER (container), child);
- child = gtk_button_new_with_label ("Add toolbutton");
- g_signal_connect_swapped (child,
- "clicked",
- G_CALLBACK (add_toolbutton),
- toolbar);
- gtk_container_add (GTK_CONTAINER (container), child);
- child = gtk_button_new_with_label ("Add button");
- g_signal_connect_swapped (child,
- "clicked",
- G_CALLBACK (add_button),
- box);
- gtk_container_add (GTK_CONTAINER (container), child);
-
- add_toolbutton (GTK_TOOLBAR (toolbar));
- add_toolbutton (GTK_TOOLBAR (toolbar));
- add_toolbutton (GTK_TOOLBAR (toolbar));
- add_toolbutton (GTK_TOOLBAR (toolbar));
-
- add_button (GTK_BOX (box));
- add_button (GTK_BOX (box));
- add_button (GTK_BOX (box));
- add_button (GTK_BOX (box));
-
- gtk_widget_show (window);
-
- gtk_main ();
-
- return 0;
-}
projects / gtk4.git / commitdiff