static void
gtk_switch_init (GtkSwitch *self)
{
GtkGesture *gesture;
self->priv = gtk_switch_get_instance_private (self);
self->priv->use_action_appearance = TRUE;
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
gesture = gtk_gesture_multi_press_new (GTK_WIDGET (self));
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);
gtk_gesture_single_set_exclusive (GTK_GESTURE_SINGLE (gesture), TRUE);
g_signal_connect (gesture, "pressed",
G_CALLBACK (gtk_switch_multipress_gesture_pressed), self);
g_signal_connect (gesture, "released",
G_CALLBACK (gtk_switch_multipress_gesture_released), self);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
self->priv->multipress_gesture = gesture;
gesture = gtk_gesture_pan_new (GTK_WIDGET (self),
GTK_ORIENTATION_HORIZONTAL);
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);
gtk_gesture_single_set_exclusive (GTK_GESTURE_SINGLE (gesture), TRUE);
g_signal_connect (gesture, "pan",
G_CALLBACK (gtk_switch_pan_gesture_pan), self);
g_signal_connect (gesture, "drag-end",
G_CALLBACK (gtk_switch_pan_gesture_drag_end), self);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
self->priv->pan_gesture = gesture;
}
static void
ide_frame_constructed (GObject *object)
{
IdeFrame *self = (IdeFrame *)object;
IdeFramePrivate *priv = ide_frame_get_instance_private (self);
g_assert (IDE_IS_FRAME (self));
G_OBJECT_CLASS (ide_frame_parent_class)->constructed (object);
priv->addins = peas_extension_set_new (peas_engine_get_default (),
IDE_TYPE_FRAME_ADDIN,
NULL);
g_signal_connect (priv->addins,
"extension-added",
G_CALLBACK (ide_frame_addin_added),
self);
g_signal_connect (priv->addins,
"extension-removed",
G_CALLBACK (ide_frame_addin_removed),
self);
peas_extension_set_foreach (priv->addins,
ide_frame_addin_added,
self);
gtk_widget_add_events (GTK_WIDGET (priv->event_box), GDK_TOUCH_MASK);
priv->pan = g_object_new (GTK_TYPE_GESTURE_PAN,
"widget", priv->event_box,
"orientation", GTK_ORIENTATION_HORIZONTAL,
"n-points", 3,
NULL);
g_signal_connect_swapped (priv->pan,
"begin",
G_CALLBACK (ide_frame_pan_begin),
self);
g_signal_connect_swapped (priv->pan,
"update",
G_CALLBACK (ide_frame_pan_update),
self);
g_signal_connect_swapped (priv->pan,
"end",
G_CALLBACK (ide_frame_pan_end),
self);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->pan),
GTK_PHASE_BUBBLE);
/*
* FIXME: Our priv->pan gesture does not activate unless we add another
* dummy gesture. I currently have no idea why that is.
*
* https://bugzilla.gnome.org/show_bug.cgi?id=788914
*/
priv->dummy = gtk_gesture_rotate_new (GTK_WIDGET (priv->event_box));
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->dummy),
GTK_PHASE_BUBBLE);
}
static void
gtk_switch_init (GtkSwitch *self)
{
GtkSwitchPrivate *priv;
GtkGesture *gesture;
GtkCssNode *widget_node;
priv = self->priv = gtk_switch_get_instance_private (self);
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
widget_node = gtk_widget_get_css_node (GTK_WIDGET (self));
priv->gadget = gtk_css_custom_gadget_new_for_node (widget_node,
GTK_WIDGET (self),
gtk_switch_get_content_size,
gtk_switch_allocate_contents,
gtk_switch_snapshot_trough,
NULL,
NULL);
priv->slider_gadget = gtk_css_custom_gadget_new ("slider",
GTK_WIDGET (self),
priv->gadget,
NULL,
NULL,
NULL,
gtk_switch_snapshot_slider,
NULL,
NULL);
gesture = gtk_gesture_multi_press_new (GTK_WIDGET (self));
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);
gtk_gesture_single_set_exclusive (GTK_GESTURE_SINGLE (gesture), TRUE);
g_signal_connect (gesture, "pressed",
G_CALLBACK (gtk_switch_multipress_gesture_pressed), self);
g_signal_connect (gesture, "released",
G_CALLBACK (gtk_switch_multipress_gesture_released), self);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
priv->multipress_gesture = gesture;
gesture = gtk_gesture_pan_new (GTK_WIDGET (self),
GTK_ORIENTATION_HORIZONTAL);
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);
gtk_gesture_single_set_exclusive (GTK_GESTURE_SINGLE (gesture), TRUE);
g_signal_connect (gesture, "pan",
G_CALLBACK (gtk_switch_pan_gesture_pan), self);
g_signal_connect (gesture, "drag-end",
G_CALLBACK (gtk_switch_pan_gesture_drag_end), self);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
priv->pan_gesture = gesture;
gtk_switch_create_pango_layouts (self);
}
static void
drawing_area_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel)
{
DrawingArea *area = (DrawingArea *) widget;
GSimpleActionGroup *action_group;
GSimpleAction *action;
GtkWidget *toplevel;
gint i;
if (previous_toplevel && area->pad_controller)
{
gtk_widget_remove_controller (previous_toplevel,
GTK_EVENT_CONTROLLER (area->pad_controller));
area->pad_controller = NULL;
}
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (area));
if (!GTK_IS_WINDOW (toplevel))
return;
action_group = g_simple_action_group_new ();
area->pad_controller = gtk_pad_controller_new (G_ACTION_GROUP (action_group),
NULL);
for (i = 0; i < G_N_ELEMENTS (pad_actions); i++)
{
if (pad_actions[i].type == GTK_PAD_ACTION_BUTTON)
{
action = g_simple_action_new (pad_actions[i].action_name, NULL);
g_object_set_data (G_OBJECT (action), "color",
(gpointer) pad_colors[i]);
g_signal_connect (action, "activate",
G_CALLBACK (on_pad_button_activate), area);
}
else
{
action = g_simple_action_new_stateful (pad_actions[i].action_name,
G_VARIANT_TYPE_DOUBLE, NULL);
g_signal_connect (action, "activate",
G_CALLBACK (on_pad_knob_change), area);
}
g_action_map_add_action (G_ACTION_MAP (action_group), G_ACTION (action));
g_object_unref (action);
}
gtk_pad_controller_set_action_entries (area->pad_controller, pad_actions,
G_N_ELEMENTS (pad_actions));
gtk_widget_add_controller (toplevel,
GTK_EVENT_CONTROLLER (area->pad_controller));
}
static gboolean
_gtk_gesture_multi_press_check_within_threshold (GtkGestureMultiPress *gesture,
gdouble x,
gdouble y)
{
GtkGestureMultiPressPrivate *priv;
guint double_click_distance;
GtkSettings *settings;
GtkWidget *widget;
priv = gtk_gesture_multi_press_get_instance_private (gesture);
if (priv->n_presses == 0)
return TRUE;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
settings = gtk_widget_get_settings (widget);
g_object_get (settings,
"gtk-double-click-distance", &double_click_distance,
NULL);
if (ABS (priv->initial_press_x - x) < double_click_distance &&
ABS (priv->initial_press_y - y) < double_click_distance)
{
if (!priv->rect_is_set ||
(x >= priv->rect.x && x < priv->rect.x + priv->rect.width &&
y >= priv->rect.y && y < priv->rect.y + priv->rect.height))
return TRUE;
}
return FALSE;
}
static void
gtk_gesture_long_press_update (GtkGesture *gesture,
GdkEventSequence *sequence)
{
GtkGestureLongPressPrivate *priv;
GtkWidget *widget;
gdouble x, y;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
priv = gtk_gesture_long_press_get_instance_private (GTK_GESTURE_LONG_PRESS (gesture));
gtk_gesture_get_point (gesture, sequence, &x, &y);
if (gtk_drag_check_threshold (widget, priv->initial_x, priv->initial_y, x, y))
{
if (priv->timeout_id)
{
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
g_signal_emit (gesture, signals[CANCELLED], 0);
}
priv->cancelled = TRUE;
_gtk_gesture_check (gesture);
}
}
static void
gtk_gesture_long_press_begin (GtkGesture *gesture,
GdkEventSequence *sequence)
{
GtkGestureLongPressPrivate *priv;
const GdkEvent *event;
GtkWidget *widget;
gint delay;
priv = gtk_gesture_long_press_get_instance_private (GTK_GESTURE_LONG_PRESS (gesture));
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
event = gtk_gesture_get_last_event (gesture, sequence);
if (!event ||
(event->type != GDK_BUTTON_PRESS &&
event->type != GDK_TOUCH_BEGIN))
return;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
g_object_get (gtk_widget_get_settings (widget),
"gtk-long-press-time", &delay,
NULL);
delay = (gint)(priv->delay_factor * delay);
gtk_gesture_get_point (gesture, sequence,
&priv->initial_x, &priv->initial_y);
priv->timeout_id =
gdk_threads_add_timeout (delay,
_gtk_gesture_long_press_timeout,
gesture);
}
static void
gstyle_color_widget_init (GstyleColorWidget *self)
{
GtkStyleContext *context;
GtkWidget *widget = GTK_WIDGET (self);
gtk_widget_set_has_window (GTK_WIDGET (self), TRUE);
self->label = GTK_LABEL (g_object_new (GTK_TYPE_LABEL,
"ellipsize", PANGO_ELLIPSIZE_END,
"visible", TRUE,
"halign", GTK_ALIGN_CENTER,
"valign", GTK_ALIGN_CENTER,
NULL));
gtk_container_add (GTK_CONTAINER (self), GTK_WIDGET (self->label));
self->is_name_visible = TRUE;
self->is_fallback_name_visible = TRUE;
self->fallback_name_kind = GSTYLE_COLOR_KIND_RGB_HEX6;
self->checkered_pattern = gstyle_utils_get_checkered_pattern ();
gtk_widget_set_valign (widget, GTK_ALIGN_FILL);
gtk_widget_set_halign (widget, GTK_ALIGN_FILL);
gtk_widget_set_hexpand (widget, TRUE);
gtk_widget_set_vexpand (widget, TRUE);
context = gtk_widget_get_style_context (GTK_WIDGET (self));
self->default_provider = gstyle_css_provider_init_default (gtk_style_context_get_screen (context));
self->target_list = gtk_target_list_new (dnd_targets, G_N_ELEMENTS (dnd_targets));
gtk_target_list_add_text_targets (self->target_list, 0);
gtk_drag_dest_set (widget, 0, NULL, 0, GDK_ACTION_MOVE);
gtk_drag_dest_set_target_list (widget, self->target_list);
gtk_drag_dest_set_track_motion (GTK_WIDGET (self), TRUE);
update_container_parent_informations (self);
self->multipress_gesture = gtk_gesture_multi_press_new (widget);
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (self->multipress_gesture), 0);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (self->multipress_gesture),
GTK_PHASE_BUBBLE);
g_signal_connect (self->multipress_gesture, "pressed",
G_CALLBACK (gstyle_color_widget_multipress_gesture_pressed), widget);
self->drag_gesture = gtk_gesture_drag_new (GTK_WIDGET (self));
g_signal_connect (self->drag_gesture, "drag-update",
G_CALLBACK (gstyle_color_widget_drag_gesture_update), self);
g_signal_connect_swapped (self, "key-press-event",
G_CALLBACK (gstyle_color_widget_key_pressed_cb),
self);
gstyle_color_widget_actions_init (self);
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
}
static void
handle_secondary_button (CcMousePropertiesPrivate *d,
GtkWidget *button,
GtkGesture *gesture)
{
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);
gtk_gesture_single_set_exclusive (GTK_GESTURE_SINGLE (gesture), TRUE);
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), GDK_BUTTON_SECONDARY);
g_signal_connect_swapped (gesture, "pressed", G_CALLBACK (gtk_button_clicked), button);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture), GTK_PHASE_BUBBLE);
}
static void
gtk_app_chooser_widget_init (GtkAppChooserWidget *self)
{
GtkTreeSelection *selection;
GtkTreeModel *sort;
GtkGesture *gesture;
self->priv = gtk_app_chooser_widget_get_instance_private (self);
gtk_widget_set_has_surface (GTK_WIDGET (self), FALSE);
gtk_widget_init_template (GTK_WIDGET (self));
/* Various parts of the GtkTreeView code need custom code to setup, mostly
* because we lack signals to connect to, or properties to set.
*/
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self->priv->program_list));
gtk_tree_selection_set_select_function (selection, gtk_app_chooser_selection_func,
self, NULL);
sort = gtk_tree_view_get_model (GTK_TREE_VIEW (self->priv->program_list));
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (sort),
COLUMN_NAME,
GTK_SORT_ASCENDING);
gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sort),
COLUMN_NAME,
gtk_app_chooser_sort_func,
self, NULL);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (self->priv->program_list), COLUMN_NAME);
gtk_tree_view_set_search_equal_func (GTK_TREE_VIEW (self->priv->program_list),
gtk_app_chooser_search_equal_func,
NULL, NULL);
gtk_tree_view_column_set_cell_data_func (self->priv->column,
self->priv->secondary_padding,
padding_cell_renderer_func,
NULL, NULL);
self->priv->monitor = g_app_info_monitor_get ();
g_signal_connect (self->priv->monitor, "changed",
G_CALLBACK (app_info_changed), self);
gesture = gtk_gesture_multi_press_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), GDK_BUTTON_SECONDARY);
g_signal_connect (gesture, "pressed",
G_CALLBACK (gtk_app_chooser_row_pressed_cb), self);
gtk_widget_add_controller (self->priv->program_list, GTK_EVENT_CONTROLLER (gesture));
}
void GestureController::DragGesture::update(DragGesture* dragGesture, double x, double y, GtkGesture* gesture)
{
GdkEventSequence* sequence = gtk_gesture_single_get_current_sequence(GTK_GESTURE_SINGLE(gesture));
gtk_gesture_set_sequence_state(gesture, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
GtkWidget* widget = gtk_event_controller_get_widget(GTK_EVENT_CONTROLLER(gesture));
if (!dragGesture->m_inDrag && gtk_drag_check_threshold(widget, dragGesture->m_start.x(), dragGesture->m_start.y(), dragGesture->m_start.x() + x, dragGesture->m_start.y() + y)) {
dragGesture->m_inDrag = true;
dragGesture->m_longPressTimeout.cancel();
}
if (dragGesture->m_inDrag)
dragGesture->handleDrag(gtk_gesture_get_last_event(gesture, sequence), x, y);
dragGesture->m_offset.set(x, y);
}
void GestureController::DragGesture::begin(DragGesture* dragGesture, double x, double y, GtkGesture* gesture)
{
GdkEventSequence* sequence = gtk_gesture_single_get_current_sequence(GTK_GESTURE_SINGLE(gesture));
gtk_gesture_set_sequence_state(gesture, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
dragGesture->m_inDrag = false;
dragGesture->m_start.set(x, y);
dragGesture->m_offset.set(0, 0);
GtkWidget* widget = gtk_event_controller_get_widget(GTK_EVENT_CONTROLLER(gesture));
unsigned delay;
g_object_get(gtk_widget_get_settings(widget), "gtk-long-press-time", &delay, nullptr);
dragGesture->m_longPressTimeout.scheduleAfterDelay("[WebKit] DragGesture long press timeout", [dragGesture]() {
dragGesture->m_inDrag = true;
}, std::chrono::milliseconds(delay));
}
static void
_gtk_gesture_single_update_evmask (GtkGestureSingle *gesture)
{
GtkGestureSinglePrivate *priv;
GdkEventMask evmask;
priv = gtk_gesture_single_get_instance_private (gesture);
evmask = GDK_TOUCH_MASK;
if (!priv->touch_only || gtk_simulate_touchscreen ())
evmask |= GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_MOTION_MASK;
gtk_event_controller_set_event_mask (GTK_EVENT_CONTROLLER (gesture), evmask);
}
static void
cb_media_image_widget_init (CbMediaImageWidget *self)
{
self->image = gtk_image_new ();
gtk_container_add (GTK_CONTAINER (self), self->image);
self->initial_scroll_x = 0.5;
self->initial_scroll_y = 0.5;
self->drag_gesture = gtk_gesture_drag_new (GTK_WIDGET (self));
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (self->drag_gesture), GDK_BUTTON_MIDDLE);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (self->drag_gesture), GTK_PHASE_CAPTURE);
g_signal_connect (self->drag_gesture, "drag-begin", G_CALLBACK (drag_begin_cb), self);
g_signal_connect (self->drag_gesture, "drag-update", G_CALLBACK (drag_update_cb), self);
}
static void
drawing_area_init (DrawingArea *area)
{
GtkGesture *gesture;
gtk_widget_set_has_surface (GTK_WIDGET (area), FALSE);
gesture = gtk_gesture_stylus_new ();
g_signal_connect (gesture, "down",
G_CALLBACK (stylus_gesture_down), area);
g_signal_connect (gesture, "motion",
G_CALLBACK (stylus_gesture_motion), area);
gtk_widget_add_controller (GTK_WIDGET (area), GTK_EVENT_CONTROLLER (gesture));
area->draw_color = (GdkRGBA) { 0, 0, 0, 1 };
}
static void
drawing_area_unroot (GtkWidget *widget)
{
DrawingArea *area = (DrawingArea *) widget;
GtkWidget *toplevel;
toplevel = gtk_widget_get_toplevel (widget);
if (area->pad_controller)
{
gtk_widget_remove_controller (toplevel, GTK_EVENT_CONTROLLER (area->pad_controller));
area->pad_controller = NULL;
}
GTK_WIDGET_CLASS (drawing_area_parent_class)->unroot (widget);
}
static void
_gtk_gesture_multi_press_update_timeout (GtkGestureMultiPress *gesture)
{
GtkGestureMultiPressPrivate *priv;
guint double_click_time;
GtkSettings *settings;
GtkWidget *widget;
priv = gtk_gesture_multi_press_get_instance_private (gesture);
if (priv->double_click_timeout_id)
g_source_remove (priv->double_click_timeout_id);
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
settings = gtk_widget_get_settings (widget);
g_object_get (settings, "gtk-double-click-time", &double_click_time, NULL);
priv->double_click_timeout_id =
gdk_threads_add_timeout (double_click_time,
_double_click_timeout_cb,
gesture);
}
static void
gtk_im_context_wayland_set_client_window (GtkIMContext *context,
GdkWindow *window)
{
GtkIMContextWayland *context_wayland = GTK_IM_CONTEXT_WAYLAND (context);
GtkWidget *widget = NULL;
if (window == context_wayland->window)
return;
if (window)
gdk_window_get_user_data (window, (gpointer*) &widget);
if (context_wayland->widget && context_wayland->widget != widget)
g_clear_object (&context_wayland->gesture);
g_set_object (&context_wayland->window, window);
if (context_wayland->widget != widget)
{
context_wayland->widget = widget;
if (widget)
{
GtkGesture *gesture;
gesture = gtk_gesture_multi_press_new (widget);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_CAPTURE);
g_signal_connect (gesture, "pressed",
G_CALLBACK (pressed_cb), context);
g_signal_connect (gesture, "released",
G_CALLBACK (released_cb), context);
context_wayland->gesture = gesture;
}
}
}
static void
gtk_button_init (GtkButton *button)
{
GtkButtonPrivate *priv;
button->priv = gtk_button_get_instance_private (button);
priv = button->priv;
gtk_widget_set_can_focus (GTK_WIDGET (button), TRUE);
gtk_widget_set_receives_default (GTK_WIDGET (button), TRUE);
gtk_widget_set_has_window (GTK_WIDGET (button), FALSE);
priv->in_button = FALSE;
priv->button_down = FALSE;
priv->use_underline = FALSE;
priv->child_type = WIDGET_CHILD;
priv->gesture = gtk_gesture_multi_press_new (GTK_WIDGET (button));
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (priv->gesture), FALSE);
gtk_gesture_single_set_exclusive (GTK_GESTURE_SINGLE (priv->gesture), TRUE);
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (priv->gesture), GDK_BUTTON_PRIMARY);
g_signal_connect (priv->gesture, "pressed", G_CALLBACK (multipress_pressed_cb), button);
g_signal_connect (priv->gesture, "released", G_CALLBACK (multipress_released_cb), button);
g_signal_connect (priv->gesture, "update", G_CALLBACK (multipress_gesture_update_cb), button);
g_signal_connect (priv->gesture, "cancel", G_CALLBACK (multipress_gesture_cancel_cb), button);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->gesture), GTK_PHASE_BUBBLE);
priv->gadget = gtk_css_custom_gadget_new_for_node (gtk_widget_get_css_node (GTK_WIDGET (button)),
GTK_WIDGET (button),
gtk_button_measure,
gtk_button_allocate,
gtk_button_render,
NULL,
NULL);
}
GestureController::Gesture::Gesture(GtkGesture* gesture, WebPageProxy& page)
: m_gesture(adoptGRef(gesture))
, m_page(page)
{
gtk_event_controller_set_propagation_phase(GTK_EVENT_CONTROLLER(m_gesture.get()), GTK_PHASE_NONE);
}
void GestureController::Gesture::handleEvent(const GdkEvent* event)
{
gtk_event_controller_handle_event(GTK_EVENT_CONTROLLER(m_gesture.get()), event);
}
GtkWidget *
do_clipboard (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *vbox, *hbox;
GtkWidget *label;
GtkWidget *entry, *button;
GtkWidget *image;
GtkGesture *gesture;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Clipboard");
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
g_object_set (vbox, "margin", 8, NULL);
gtk_container_add (GTK_CONTAINER (window), vbox);
label = gtk_label_new ("\"Copy\" will copy the text\nin the entry to the clipboard");
gtk_container_add (GTK_CONTAINER (vbox), label);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
g_object_set (hbox, "margin", 8, NULL);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
/* Create the first entry */
entry = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (hbox), entry);
/* Create the button */
button = gtk_button_new_with_mnemonic (_("_Copy"));
gtk_container_add (GTK_CONTAINER (hbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (copy_button_clicked), entry);
label = gtk_label_new ("\"Paste\" will paste the text from the clipboard to the entry");
gtk_container_add (GTK_CONTAINER (vbox), label);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
g_object_set (hbox, "margin", 8, NULL);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
/* Create the second entry */
entry = gtk_entry_new ();
gtk_container_add (GTK_CONTAINER (hbox), entry);
/* Create the button */
button = gtk_button_new_with_mnemonic (_("_Paste"));
gtk_container_add (GTK_CONTAINER (hbox), button);
g_signal_connect (button, "clicked",
G_CALLBACK (paste_button_clicked), entry);
label = gtk_label_new ("Images can be transferred via the clipboard, too");
gtk_container_add (GTK_CONTAINER (vbox), label);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
g_object_set (hbox, "margin", 8, NULL);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
/* Create the first image */
image = gtk_image_new_from_icon_name ("dialog-warning");
gtk_container_add (GTK_CONTAINER (hbox), image);
/* make image a drag source */
gtk_drag_source_set (image, GDK_BUTTON1_MASK, NULL, GDK_ACTION_COPY);
gtk_drag_source_add_image_targets (image);
g_signal_connect (image, "drag-begin",
G_CALLBACK (drag_begin), image);
g_signal_connect (image, "drag-data-get",
G_CALLBACK (drag_data_get), image);
/* accept drops on image */
gtk_drag_dest_set (image, GTK_DEST_DEFAULT_ALL,
NULL, GDK_ACTION_COPY);
gtk_drag_dest_add_image_targets (image);
g_signal_connect (image, "drag-data-received",
G_CALLBACK (drag_data_received), image);
/* context menu on image */
gesture = gtk_gesture_multi_press_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), GDK_BUTTON_SECONDARY);
g_signal_connect (gesture, "pressed", G_CALLBACK (pressed_cb), image);
gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (gesture));
/* Create the second image */
image = gtk_image_new_from_icon_name ("process-stop");
gtk_container_add (GTK_CONTAINER (hbox), image);
/* make image a drag source */
gtk_drag_source_set (image, GDK_BUTTON1_MASK, NULL, GDK_ACTION_COPY);
gtk_drag_source_add_image_targets (image);
g_signal_connect (image, "drag-begin",
G_CALLBACK (drag_begin), image);
g_signal_connect (image, "drag-data-get",
G_CALLBACK (drag_data_get), image);
/* accept drops on image */
gtk_drag_dest_set (image, GTK_DEST_DEFAULT_ALL,
NULL, GDK_ACTION_COPY);
gtk_drag_dest_add_image_targets (image);
g_signal_connect (image, "drag-data-received",
G_CALLBACK (drag_data_received), image);
/* context menu on image */
gesture = gtk_gesture_multi_press_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), GDK_BUTTON_SECONDARY);
g_signal_connect (gesture, "pressed", G_CALLBACK (pressed_cb), image);
gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (gesture));
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
return window;
}
GtkWidget *
do_drawingarea (GtkWidget *do_widget)
{
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *da;
GtkWidget *label;
GtkGesture *drag;
if (!window)
{
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Drawing Area");
g_signal_connect (window, "destroy",
G_CALLBACK (close_window), NULL);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
g_object_set (vbox, "margin", 16, NULL);
gtk_container_add (GTK_CONTAINER (window), vbox);
/*
* Create the checkerboard area
*/
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label),
"<u>Checkerboard pattern</u>");
gtk_container_add (GTK_CONTAINER (vbox), label);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_widget_set_vexpand (frame, TRUE);
gtk_container_add (GTK_CONTAINER (vbox), frame);
da = gtk_drawing_area_new ();
gtk_drawing_area_set_content_width (GTK_DRAWING_AREA (da), 100);
gtk_drawing_area_set_content_height (GTK_DRAWING_AREA (da), 100);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (da), checkerboard_draw, NULL, NULL);
gtk_container_add (GTK_CONTAINER (frame), da);
/*
* Create the scribble area
*/
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label),
"<u>Scribble area</u>");
gtk_container_add (GTK_CONTAINER (vbox), label);
frame = gtk_frame_new (NULL);
gtk_widget_set_vexpand (frame, TRUE);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (vbox), frame);
da = gtk_drawing_area_new ();
gtk_drawing_area_set_content_width (GTK_DRAWING_AREA (da), 100);
gtk_drawing_area_set_content_height (GTK_DRAWING_AREA (da), 100);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (da), scribble_draw, NULL, NULL);
gtk_container_add (GTK_CONTAINER (frame), da);
g_signal_connect (da, "size-allocate",
G_CALLBACK (scribble_size_allocate), NULL);
drag = gtk_gesture_drag_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (drag), GDK_BUTTON_PRIMARY);
gtk_widget_add_controller (da, GTK_EVENT_CONTROLLER (drag));
g_signal_connect (drag, "drag-begin", G_CALLBACK (drag_begin), da);
g_signal_connect (drag, "drag-update", G_CALLBACK (drag_update), da);
g_signal_connect (drag, "drag-end", G_CALLBACK (drag_end), da);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
return window;
}
GtkWidget *
do_gestures (GtkWidget *do_widget)
{
GtkWidget *drawing_area;
GtkGesture *gesture;
if (!window)
{
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 400, 400);
gtk_window_set_title (GTK_WINDOW (window), "Gestures");
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
drawing_area = gtk_drawing_area_new ();
gtk_container_add (GTK_CONTAINER (window), drawing_area);
gtk_widget_add_events (drawing_area,
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK | GDK_TOUCH_MASK);
g_signal_connect (drawing_area, "draw",
G_CALLBACK (drawing_area_draw), NULL);
/* Swipe */
gesture = gtk_gesture_swipe_new (drawing_area);
g_signal_connect (gesture, "swipe",
G_CALLBACK (swipe_gesture_swept), drawing_area);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
g_object_weak_ref (G_OBJECT (drawing_area), (GWeakNotify) g_object_unref, gesture);
/* Long press */
gesture = gtk_gesture_long_press_new (drawing_area);
g_signal_connect (gesture, "pressed",
G_CALLBACK (long_press_gesture_pressed), drawing_area);
g_signal_connect (gesture, "end",
G_CALLBACK (long_press_gesture_end), drawing_area);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
g_object_weak_ref (G_OBJECT (drawing_area), (GWeakNotify) g_object_unref, gesture);
/* Rotate */
rotate = gesture = gtk_gesture_rotate_new (drawing_area);
g_signal_connect (gesture, "angle-changed",
G_CALLBACK (rotation_angle_changed), drawing_area);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
g_object_weak_ref (G_OBJECT (drawing_area), (GWeakNotify) g_object_unref, gesture);
/* Zoom */
zoom = gesture = gtk_gesture_zoom_new (drawing_area);
g_signal_connect (gesture, "scale-changed",
G_CALLBACK (zoom_scale_changed), drawing_area);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
GTK_PHASE_BUBBLE);
g_object_weak_ref (G_OBJECT (drawing_area), (GWeakNotify) g_object_unref, gesture);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}