gtk/examples/bp/bloatpad.c
Matthias Clasen 5438e53f5c Use resources for icons
This fixes icons after the recent directory reshuffling, and
is just the right thing to do, since these icons are in resources
anyway.
2014-12-02 21:00:24 -05:00

685 lines
20 KiB
C

#include <stdlib.h>
#include <gtk/gtk.h>
typedef struct
{
GtkApplication parent_instance;
guint quit_inhibit;
GMenu *time;
guint timeout;
} BloatPad;
typedef GtkApplicationClass BloatPadClass;
G_DEFINE_TYPE (BloatPad, bloat_pad, GTK_TYPE_APPLICATION)
static void
activate_toggle (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GVariant *state;
state = g_action_get_state (G_ACTION (action));
g_action_change_state (G_ACTION (action), g_variant_new_boolean (!g_variant_get_boolean (state)));
g_variant_unref (state);
}
static void
activate_radio (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
g_action_change_state (G_ACTION (action), parameter);
}
static void
change_fullscreen_state (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
if (g_variant_get_boolean (state))
gtk_window_fullscreen (user_data);
else
gtk_window_unfullscreen (user_data);
g_simple_action_set_state (action, state);
}
static void
change_busy_state (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
GtkWindow *window = user_data;
GApplication *application = G_APPLICATION (gtk_window_get_application (window));
/* do this twice to test multiple busy counter increases */
if (g_variant_get_boolean (state))
{
g_application_mark_busy (application);
g_application_mark_busy (application);
}
else
{
g_application_unmark_busy (application);
g_application_unmark_busy (application);
}
g_simple_action_set_state (action, state);
}
static void
change_justify_state (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
GtkTextView *text = g_object_get_data (user_data, "bloatpad-text");
const gchar *str;
str = g_variant_get_string (state, NULL);
if (g_str_equal (str, "left"))
gtk_text_view_set_justification (text, GTK_JUSTIFY_LEFT);
else if (g_str_equal (str, "center"))
gtk_text_view_set_justification (text, GTK_JUSTIFY_CENTER);
else if (g_str_equal (str, "right"))
gtk_text_view_set_justification (text, GTK_JUSTIFY_RIGHT);
else
/* ignore this attempted change */
return;
g_simple_action_set_state (action, state);
}
static GtkClipboard *
get_clipboard (GtkWidget *widget)
{
return gtk_widget_get_clipboard (widget, gdk_atom_intern_static_string ("CLIPBOARD"));
}
static void
window_copy (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
gtk_text_buffer_copy_clipboard (gtk_text_view_get_buffer (text),
get_clipboard ((GtkWidget*) text));
}
static void
window_paste (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
gtk_text_buffer_paste_clipboard (gtk_text_view_get_buffer (text),
get_clipboard ((GtkWidget*) text),
NULL,
TRUE);
}
static void
activate_clear (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
gtk_text_buffer_set_text (gtk_text_view_get_buffer (text), "", -1);
}
static void
activate_clear_all (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkApplication *app = GTK_APPLICATION (user_data);
GList *iter;
for (iter = gtk_application_get_windows (app); iter; iter = iter->next)
g_action_group_activate_action (iter->data, "clear", NULL);
}
static void
text_buffer_changed_cb (GtkTextBuffer *buffer,
gpointer user_data)
{
GtkWindow *window = user_data;
BloatPad *app;
gint old_n, n;
app = (BloatPad *) gtk_window_get_application (window);
n = gtk_text_buffer_get_char_count (buffer);
if (n > 0)
{
if (!app->quit_inhibit)
app->quit_inhibit = gtk_application_inhibit (GTK_APPLICATION (app),
gtk_application_get_active_window (GTK_APPLICATION (app)),
GTK_APPLICATION_INHIBIT_LOGOUT,
"bloatpad can't save, so you can't logout; erase your text");
}
else
{
if (app->quit_inhibit)
{
gtk_application_uninhibit (GTK_APPLICATION (app), app->quit_inhibit);
app->quit_inhibit = 0;
}
}
g_simple_action_set_enabled (G_SIMPLE_ACTION (g_action_map_lookup_action (G_ACTION_MAP (window), "clear")), n > 0);
if (n > 0)
{
GSimpleAction *spellcheck;
spellcheck = g_simple_action_new ("spell-check", NULL);
g_action_map_add_action (G_ACTION_MAP (window), G_ACTION (spellcheck));
}
else
g_action_map_remove_action (G_ACTION_MAP (window), "spell-check");
old_n = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (buffer), "line-count"));
n = gtk_text_buffer_get_line_count (buffer);
g_object_set_data (G_OBJECT (buffer), "line-count", GINT_TO_POINTER (n));
if (old_n < 3 && n == 3)
{
GNotification *n;
n = g_notification_new ("Three lines of text");
g_notification_set_body (n, "Keep up the good work!");
g_notification_add_button (n, "Start over", "app.clear-all");
g_application_send_notification (G_APPLICATION (app), "three-lines", n);
g_object_unref (n);
}
}
static GActionEntry win_entries[] = {
{ "copy", window_copy, NULL, NULL, NULL },
{ "paste", window_paste, NULL, NULL, NULL },
{ "fullscreen", activate_toggle, NULL, "false", change_fullscreen_state },
{ "busy", activate_toggle, NULL, "false", change_busy_state },
{ "justify", activate_radio, "s", "'left'", change_justify_state },
{ "clear", activate_clear, NULL, NULL, NULL }
};
static void
new_window (GApplication *app,
GFile *file)
{
GtkWidget *window, *grid, *scrolled, *view;
GtkWidget *toolbar;
GtkToolItem *button;
GtkWidget *sw, *box, *label;
window = gtk_application_window_new (GTK_APPLICATION (app));
gtk_window_set_default_size ((GtkWindow*)window, 640, 480);
g_action_map_add_action_entries (G_ACTION_MAP (window), win_entries, G_N_ELEMENTS (win_entries), window);
gtk_window_set_title (GTK_WINDOW (window), "Bloatpad");
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), grid);
toolbar = gtk_toolbar_new ();
button = gtk_toggle_tool_button_new ();
gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (button), "format-justify-left");
gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (button), "win.justify::left");
gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
button = gtk_toggle_tool_button_new ();
gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (button), "format-justify-center");
gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (button), "win.justify::center");
gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
button = gtk_toggle_tool_button_new ();
gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (button), "format-justify-right");
gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (button), "win.justify::right");
gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
button = gtk_separator_tool_item_new ();
gtk_separator_tool_item_set_draw (GTK_SEPARATOR_TOOL_ITEM (button), FALSE);
gtk_tool_item_set_expand (GTK_TOOL_ITEM (button), TRUE);
gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
button = gtk_tool_item_new ();
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_container_add (GTK_CONTAINER (button), box);
label = gtk_label_new ("Fullscreen:");
gtk_container_add (GTK_CONTAINER (box), label);
sw = gtk_switch_new ();
gtk_widget_set_valign (sw, GTK_ALIGN_CENTER);
gtk_actionable_set_action_name (GTK_ACTIONABLE (sw), "win.fullscreen");
gtk_container_add (GTK_CONTAINER (box), sw);
gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
gtk_grid_attach (GTK_GRID (grid), toolbar, 0, 0, 1, 1);
scrolled = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_hexpand (scrolled, TRUE);
gtk_widget_set_vexpand (scrolled, TRUE);
view = gtk_text_view_new ();
g_object_set_data ((GObject*)window, "bloatpad-text", view);
gtk_container_add (GTK_CONTAINER (scrolled), view);
gtk_grid_attach (GTK_GRID (grid), scrolled, 0, 1, 1, 1);
if (file != NULL)
{
gchar *contents;
gsize length;
if (g_file_load_contents (file, NULL, &contents, &length, NULL, NULL))
{
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_buffer_set_text (buffer, contents, length);
g_free (contents);
}
}
g_signal_connect (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)), "changed",
G_CALLBACK (text_buffer_changed_cb), window);
text_buffer_changed_cb (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)), window);
gtk_widget_show_all (GTK_WIDGET (window));
}
static void
bloat_pad_activate (GApplication *application)
{
new_window (application, NULL);
}
static void
bloat_pad_open (GApplication *application,
GFile **files,
gint n_files,
const gchar *hint)
{
gint i;
for (i = 0; i < n_files; i++)
new_window (application, files[i]);
}
static void
bloat_pad_finalize (GObject *object)
{
G_OBJECT_CLASS (bloat_pad_parent_class)->finalize (object);
}
static void
new_activated (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GApplication *app = user_data;
g_application_activate (app);
}
static void
about_activated (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
gtk_show_about_dialog (NULL,
"program-name", "Bloatpad",
"title", "About Bloatpad",
"comments", "Not much to say, really.",
NULL);
}
static void
quit_activated (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GApplication *app = user_data;
g_application_quit (app);
}
static void
combo_changed (GtkComboBox *combo,
gpointer user_data)
{
GtkEntry *entry = g_object_get_data (user_data, "entry");
const gchar *action;
gchar **accels;
gchar *str;
action = gtk_combo_box_get_active_id (combo);
if (!action)
return;
accels = gtk_application_get_accels_for_action (gtk_window_get_application (user_data), action);
str = g_strjoinv (",", accels);
g_strfreev (accels);
gtk_entry_set_text (entry, str);
}
static void
response (GtkDialog *dialog,
guint response_id,
gpointer user_data)
{
GtkEntry *entry = g_object_get_data (user_data, "entry");
GtkComboBox *combo = g_object_get_data (user_data, "combo");
const gchar *action;
const gchar *str;
gchar **accels;
if (response_id == GTK_RESPONSE_CLOSE)
{
gtk_widget_destroy (GTK_WIDGET (dialog));
return;
}
action = gtk_combo_box_get_active_id (combo);
if (!action)
return;
str = gtk_entry_get_text (entry);
accels = g_strsplit (str, ",", 0);
gtk_application_set_accels_for_action (gtk_window_get_application (user_data), action, (const gchar **) accels);
g_strfreev (accels);
}
static void
edit_accels (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkApplication *app = user_data;
GtkWidget *combo;
GtkWidget *entry;
gchar **actions;
GtkWidget *dialog;
gint i;
dialog = gtk_dialog_new ();
gtk_window_set_application (GTK_WINDOW (dialog), app);
actions = gtk_application_list_action_descriptions (app);
combo = gtk_combo_box_text_new ();
gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), combo);
for (i = 0; actions[i]; i++)
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), actions[i], actions[i]);
g_signal_connect (combo, "changed", G_CALLBACK (combo_changed), dialog);
entry = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), entry);
gtk_dialog_add_button (GTK_DIALOG (dialog), "Close", GTK_RESPONSE_CLOSE);
gtk_dialog_add_button (GTK_DIALOG (dialog), "Set", GTK_RESPONSE_APPLY);
g_signal_connect (dialog, "response", G_CALLBACK (response), dialog);
g_object_set_data (G_OBJECT (dialog), "combo", combo);
g_object_set_data (G_OBJECT (dialog), "entry", entry);
gtk_widget_show_all (dialog);
}
static gboolean
update_time (gpointer user_data)
{
BloatPad *bloatpad = user_data;
GDateTime *now;
gchar *time;
while (g_menu_model_get_n_items (G_MENU_MODEL (bloatpad->time)))
g_menu_remove (bloatpad->time, 0);
g_message ("Updating the time menu (which should be open now)...");
now = g_date_time_new_now_local ();
time = g_date_time_format (now, "%c");
g_menu_append (bloatpad->time, time, NULL);
g_date_time_unref (now);
g_free (time);
return G_SOURCE_CONTINUE;
}
static void
time_active_changed (GSimpleAction *action,
GVariant *state,
gpointer user_data)
{
BloatPad *bloatpad = user_data;
if (g_variant_get_boolean (state))
{
if (!bloatpad->timeout)
{
bloatpad->timeout = g_timeout_add (1000, update_time, bloatpad);
update_time (bloatpad);
}
}
else
{
if (bloatpad->timeout)
{
g_source_remove (bloatpad->timeout);
bloatpad->timeout = 0;
}
}
g_simple_action_set_state (action, state);
}
static GActionEntry app_entries[] = {
{ "new", new_activated, NULL, NULL, NULL },
{ "about", about_activated, NULL, NULL, NULL },
{ "quit", quit_activated, NULL, NULL, NULL },
{ "edit-accels", edit_accels },
{ "time-active", NULL, NULL, "false", time_active_changed },
{ "clear-all", activate_clear_all }
};
static void
dump_accels (GtkApplication *app)
{
gchar **actions;
gint i;
actions = gtk_application_list_action_descriptions (app);
for (i = 0; actions[i]; i++)
{
gchar **accels;
gchar *str;
accels = gtk_application_get_accels_for_action (app, actions[i]);
str = g_strjoinv (",", accels);
g_print ("%s -> %s\n", actions[i], str);
g_strfreev (accels);
g_free (str);
}
g_strfreev (actions);
}
static void
bloat_pad_startup (GApplication *application)
{
BloatPad *bloatpad = (BloatPad*) application;
GtkApplication *app = GTK_APPLICATION (application);
GMenu *menu;
GMenuItem *item;
GBytes *bytes;
GIcon *icon;
GIcon *icon2;
GEmblem *emblem;
GFile *file;
gint i;
struct {
const gchar *action_and_target;
const gchar *accelerators[2];
} accels[] = {
{ "app.new", { "<Primary>n", NULL } },
{ "app.quit", { "<Primary>q", NULL } },
{ "win.copy", { "<Primary>c", NULL } },
{ "win.paste", { "<Primary>p", NULL } },
{ "win.justify::left", { "<Primary>l", NULL } },
{ "win.justify::center", { "<Primary>m", NULL } },
{ "win.justify::right", { "<Primary>r", NULL } }
};
G_APPLICATION_CLASS (bloat_pad_parent_class)
->startup (application);
g_action_map_add_action_entries (G_ACTION_MAP (application), app_entries, G_N_ELEMENTS (app_entries), application);
for (i = 0; i < G_N_ELEMENTS (accels); i++)
gtk_application_set_accels_for_action (app, accels[i].action_and_target, accels[i].accelerators);
menu = gtk_application_get_menu_by_id (GTK_APPLICATION (application), "icon-menu");
file = g_file_new_for_uri ("resource:///org/gtk/libgtk/icons/16x16/actions/gtk-select-color.png");
icon = g_file_icon_new (file);
item = g_menu_item_new ("File Icon", NULL);
g_menu_item_set_icon (item, icon);
g_menu_append_item (menu, item);
g_object_unref (item);
g_object_unref (icon);
g_object_unref (file);
icon = g_themed_icon_new ("edit-find");
item = g_menu_item_new ("Themed Icon", NULL);
g_menu_item_set_icon (item, icon);
g_menu_append_item (menu, item);
g_object_unref (item);
g_object_unref (icon);
bytes = g_resources_lookup_data ("/org/gtk/libgtk/icons/16x16/actions/gtk-select-font.png", 0, NULL);
icon = g_bytes_icon_new (bytes);
item = g_menu_item_new ("Bytes Icon", NULL);
g_menu_item_set_icon (item, icon);
g_menu_append_item (menu, item);
g_object_unref (item);
g_object_unref (icon);
g_bytes_unref (bytes);
icon = G_ICON (gdk_pixbuf_new_from_resource ("/org/gtk/libgtk/icons/16x16/actions/gtk-preferences.png", NULL));
item = g_menu_item_new ("Pixbuf", NULL);
g_menu_item_set_icon (item, icon);
g_menu_append_item (menu, item);
g_object_unref (item);
g_object_unref (icon);
file = g_file_new_for_uri ("resource:///org/gtk/libgtk/icons/16x16/actions/gtk-page-setup.png");
icon = g_file_icon_new (file);
emblem = g_emblem_new (icon);
g_object_unref (icon);
g_object_unref (file);
file = g_file_new_for_uri ("resource:///org/gtk/libgtk/icons/16x16/actions/gtk-orientation-reverse-portrait.png");
icon2 = g_file_icon_new (file);
icon = g_emblemed_icon_new (icon2, emblem);
item = g_menu_item_new ("Emblemed Icon", NULL);
g_menu_item_set_icon (item, icon);
g_menu_append_item (menu, item);
g_object_unref (item);
g_object_unref (icon);
g_object_unref (icon2);
g_object_unref (file);
g_object_unref (emblem);
icon = g_themed_icon_new ("weather-severe-alert-symbolic");
item = g_menu_item_new ("Symbolic Icon", NULL);
g_menu_item_set_icon (item, icon);
g_menu_append_item (menu, item);
g_object_unref (item);
g_object_unref (icon);
const gchar *new_accels[] = { "<Primary>n", "<Primary>t", NULL };
gtk_application_set_accels_for_action (GTK_APPLICATION (application), "app.new", new_accels);
dump_accels (GTK_APPLICATION (application));
//gtk_application_set_menubar (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu")));
bloatpad->time = gtk_application_get_menu_by_id (GTK_APPLICATION (application), "time-menu");
}
static void
bloat_pad_shutdown (GApplication *application)
{
BloatPad *bloatpad = (BloatPad *) application;
if (bloatpad->timeout)
{
g_source_remove (bloatpad->timeout);
bloatpad->timeout = 0;
}
G_APPLICATION_CLASS (bloat_pad_parent_class)
->shutdown (application);
}
static void
bloat_pad_init (BloatPad *app)
{
}
static void
bloat_pad_class_init (BloatPadClass *class)
{
GApplicationClass *application_class = G_APPLICATION_CLASS (class);
GObjectClass *object_class = G_OBJECT_CLASS (class);
application_class->startup = bloat_pad_startup;
application_class->shutdown = bloat_pad_shutdown;
application_class->activate = bloat_pad_activate;
application_class->open = bloat_pad_open;
object_class->finalize = bloat_pad_finalize;
}
BloatPad *
bloat_pad_new (void)
{
BloatPad *bloat_pad;
g_set_application_name ("Bloatpad");
bloat_pad = g_object_new (bloat_pad_get_type (),
"application-id", "org.gtk.bloatpad",
"flags", G_APPLICATION_HANDLES_OPEN,
"inactivity-timeout", 30000,
"register-session", TRUE,
NULL);
return bloat_pad;
}
int
main (int argc, char **argv)
{
BloatPad *bloat_pad;
int status;
const gchar *accels[] = { "F11", NULL };
bloat_pad = bloat_pad_new ();
gtk_application_set_accels_for_action (GTK_APPLICATION (bloat_pad),
"win.fullscreen", accels);
status = g_application_run (G_APPLICATION (bloat_pad), argc, argv);
g_object_unref (bloat_pad);
return status;
}