gtk/examples/bloatpad.c

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C
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#include <stdlib.h>
#include <gtk/gtk.h>
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"));
}
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static void
window_copy (GSimpleAction *action,
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GVariant *parameter,
gpointer user_data)
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{
GtkWindow *window = GTK_WINDOW (user_data);
GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
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gtk_text_buffer_copy_clipboard (gtk_text_view_get_buffer (text),
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get_clipboard ((GtkWidget*) text));
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}
static void
window_paste (GSimpleAction *action,
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GVariant *parameter,
gpointer user_data)
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{
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),
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get_clipboard ((GtkWidget*) text),
NULL,
TRUE);
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}
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 }
};
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static void
new_window (GApplication *app,
GFile *file)
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{
GtkWidget *window, *grid, *scrolled, *view;
GtkWidget *toolbar;
GtkToolItem *button;
GtkWidget *sw, *box, *label;
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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);
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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_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);
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scrolled = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_hexpand (scrolled, TRUE);
gtk_widget_set_vexpand (scrolled, TRUE);
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view = gtk_text_view_new ();
g_object_set_data ((GObject*)window, "bloatpad-text", view);
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gtk_container_add (GTK_CONTAINER (scrolled), view);
gtk_grid_attach (GTK_GRID (grid), scrolled, 0, 1, 1, 1);
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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);
}
}
gtk_widget_show_all (GTK_WIDGET (window));
}
static void
bloat_pad_activate (GApplication *application)
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{
new_window (application, NULL);
}
static void
bloat_pad_open (GApplication *application,
GFile **files,
gint n_files,
const gchar *hint)
{
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gint i;
for (i = 0; i < n_files; i++)
new_window (application, files[i]);
}
typedef struct
{
GtkApplication parent_instance;
GMenu *time;
guint timeout;
} BloatPad;
typedef GtkApplicationClass BloatPadClass;
G_DEFINE_TYPE (BloatPad, bloat_pad, GTK_TYPE_APPLICATION)
static void
bloat_pad_finalize (GObject *object)
{
G_OBJECT_CLASS (bloat_pad_parent_class)->finalize (object);
}
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static void
new_activated (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
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GApplication *app = user_data;
g_application_activate (app);
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}
static void
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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);
}
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static void
quit_activated (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GApplication *app = user_data;
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g_application_quit (app);
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}
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[] = {
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{ "new", new_activated, NULL, NULL, NULL },
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{ "about", about_activated, NULL, NULL, NULL },
{ "quit", quit_activated, NULL, NULL, NULL },
{ "time-active", NULL, NULL, "false", time_active_changed }
};
static void
bloat_pad_startup (GApplication *application)
{
BloatPad *bloatpad = (BloatPad*) application;
GtkBuilder *builder;
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);
builder = gtk_builder_new ();
gtk_builder_add_from_string (builder,
"<interface>"
" <menu id='app-menu'>"
" <section>"
" <item>"
" <attribute name='label' translatable='yes'>_New Window</attribute>"
" <attribute name='action'>app.new</attribute>"
" <attribute name='accel'>&lt;Primary&gt;n</attribute>"
" </item>"
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" </section>"
" <section>"
" <item>"
" <attribute name='label' translatable='yes'>_About Bloatpad</attribute>"
" <attribute name='action'>app.about</attribute>"
" </item>"
" </section>"
" <section>"
" <item>"
" <attribute name='label' translatable='yes'>_Quit</attribute>"
" <attribute name='action'>app.quit</attribute>"
" <attribute name='accel'>&lt;Primary&gt;q</attribute>"
" </item>"
" </section>"
" </menu>"
" <menu id='menubar'>"
" <submenu>"
" <attribute name='label' translatable='yes'>_Edit</attribute>"
" <section>"
" <item>"
" <attribute name='label' translatable='yes'>_Copy</attribute>"
" <attribute name='action'>win.copy</attribute>"
" <attribute name='accel'>&lt;Primary&gt;c</attribute>"
" </item>"
" <item>"
" <attribute name='label' translatable='yes'>_Paste</attribute>"
" <attribute name='action'>win.paste</attribute>"
" <attribute name='accel'>&lt;Primary&gt;v</attribute>"
" </item>"
" </section>"
" </submenu>"
" <submenu>"
" <attribute name='label' translatable='yes'>_View</attribute>"
" <section>"
" <item>"
" <attribute name='label' translatable='yes'>_Fullscreen</attribute>"
" <attribute name='action'>win.fullscreen</attribute>"
" <attribute name='accel'>F11</attribute>"
" </item>"
" <item>"
" <attribute name='label' translatable='yes'>_Look Busy</attribute>"
" <attribute name='action'>win.busy</attribute>"
" </item>"
" </section>"
" </submenu>"
" <submenu id='time-menu'>"
" <attribute name='label' translatable='yes'>Time</attribute>"
" <attribute name='submenu-action'>app.time-active</attribute>"
" </submenu>"
" </menu>"
"</interface>", -1, NULL);
gtk_application_set_app_menu (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu")));
gtk_application_set_menubar (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "menubar")));
//gtk_application_set_menubar (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu")));
bloatpad->time = G_MENU (gtk_builder_get_object (builder, "time-menu"));
g_object_unref (builder);
}
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;
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g_set_application_name ("Bloatpad");
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bloat_pad = g_object_new (bloat_pad_get_type (),
"application-id", "org.gtk.Test.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;
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int status;
bloat_pad = bloat_pad_new ();
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gtk_application_add_accelerator (GTK_APPLICATION (bloat_pad),
"F11", "win.fullscreen", NULL);
status = g_application_run (G_APPLICATION (bloat_pad), argc, argv);
g_object_unref (bloat_pad);
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return status;
}