gboolean on_entry_key_press_event(GtkEntry *entry, GdkEvent *event)
{
guint k = GDK_KEY_VoidSymbol;
gdk_event_get_keyval(event, &k);
GdkModifierType s;
gdk_event_get_state(event, &s);
#define KEY(S) (k == S)
#define CTRL(S) (KEY(S) && s & GDK_CONTROL_MASK)
#define SHIFT(S) (KEY(S) && s & GDK_SHIFT_MASK)
if (KEY(GDK_KEY_Escape) || CTRL(GDK_KEY_c))
gtk_main_quit();
else if (KEY(GDK_KEY_Tab) || CTRL(GDK_KEY_i))
gtk_entry_set_text(entry, row_text(selected_row()));
else if (KEY(GDK_KEY_Down) || CTRL(GDK_KEY_f))
select_row(selected_row() + 1);
else if (KEY(GDK_KEY_Up) || CTRL(GDK_KEY_b))
select_row(selected_row() - 1);
else if (KEY(GDK_KEY_Return) || CTRL(GDK_KEY_j))
output(row_text(selected_row()));
else if (SHIFT(GDK_KEY_Return) || CTRL(GDK_KEY_J))
output(entry_text());
return FALSE;
}
static gboolean
key_event (GtkWidget *listbox, GdkEvent *event, GsShellCategory *shell)
{
GsShellCategoryPrivate *priv = shell->priv;
guint keyval;
gboolean handled;
if (!gdk_event_get_keyval (event, &keyval))
return FALSE;
if (keyval == GDK_KEY_Page_Up ||
keyval == GDK_KEY_KP_Page_Up)
g_signal_emit_by_name (priv->scrolledwindow_category, "scroll-child",
GTK_SCROLL_PAGE_UP, FALSE, &handled);
else if (keyval == GDK_KEY_Page_Down ||
keyval == GDK_KEY_KP_Page_Down)
g_signal_emit_by_name (priv->scrolledwindow_category, "scroll-child",
GTK_SCROLL_PAGE_DOWN, FALSE, &handled);
else if (keyval == GDK_KEY_Tab ||
keyval == GDK_KEY_KP_Tab)
gtk_widget_child_focus (priv->category_detail_grid, GTK_DIR_TAB_FORWARD);
else
return FALSE;
return TRUE;
}
guint
ada_gdk_event_get_keyval (GdkEvent * event)
{
guint keyval;
if (!gdk_event_get_keyval(event, &keyval)) {
return ada_gdk_invalid_gint_value;
}
return keyval;
}
/**
* gtk_search_bar_handle_event:
* @bar: a #GtkSearchBar
* @event: a #GdkEvent containing key press events
*
* This function should be called when the top-level
* window which contains the search bar received a key event.
*
* If the key event is handled by the search bar, the bar will
* be shown, the entry populated with the entered text and %GDK_EVENT_STOP
* will be returned. The caller should ensure that events are
* not propagated further.
*
* If no entry has been connected to the search bar, using
* gtk_search_bar_connect_entry(), this function will return
* immediately with a warning.
*
* ## Showing the search bar on key presses
*
* |[<!-- language="C" -->
* static gboolean
* on_key_press_event (GtkWidget *widget,
* GdkEvent *event,
* gpointer user_data)
* {
* GtkSearchBar *bar = GTK_SEARCH_BAR (user_data);
* return gtk_search_bar_handle_event (bar, event);
* }
*
* g_signal_connect (window,
* "key-press-event",
* G_CALLBACK (on_key_press_event),
* search_bar);
* ]|
*
* Returns: %GDK_EVENT_STOP if the key press event resulted
* in text being entered in the search entry (and revealing
* the search bar if necessary), %GDK_EVENT_PROPAGATE otherwise.
*
* Since: 3.10
*/
gboolean
gtk_search_bar_handle_event (GtkSearchBar *bar,
GdkEvent *event)
{
GtkSearchBarPrivate *priv = gtk_search_bar_get_instance_private (bar);
guint keyval;
gboolean handled;
gboolean preedit_changed;
guint preedit_change_id;
gboolean res;
char *old_text, *new_text;
if (priv->entry == NULL)
{
g_warning ("The search bar does not have an entry connected to it. Call gtk_search_bar_connect_entry() to connect one.");
return GDK_EVENT_PROPAGATE;
}
/* Exit early if the search bar is already shown,
* the event doesn't contain a key press,
* or the event is a navigation or space bar key press
*/
if (priv->reveal_child ||
!gdk_event_get_keyval (event, &keyval) ||
is_keynav_event (event, keyval) ||
keyval == GDK_KEY_space ||
keyval == GDK_KEY_Menu)
return GDK_EVENT_PROPAGATE;
if (!gtk_widget_get_realized (priv->entry))
gtk_widget_realize (priv->entry);
handled = GDK_EVENT_PROPAGATE;
preedit_changed = FALSE;
preedit_change_id = g_signal_connect (priv->entry, "preedit-changed",
G_CALLBACK (preedit_changed_cb), &preedit_changed);
old_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (priv->entry)));
res = gtk_widget_event (priv->entry, event);
new_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (priv->entry)));
g_signal_handler_disconnect (priv->entry, preedit_change_id);
if ((res && g_strcmp0 (new_text, old_text) != 0) || preedit_changed)
{
handled = GDK_EVENT_STOP;
gtk_revealer_set_reveal_child (GTK_REVEALER (priv->revealer), TRUE);
}
g_free (old_text);
g_free (new_text);
return handled;
}
static gboolean
entry_keypress_handler (GtkWidget *widget, GdkEvent *event, GsShell *shell)
{
GsShellPrivate *priv = gs_shell_get_instance_private (shell);
guint keyval;
GtkWidget *entry;
if (!gdk_event_get_keyval (event, &keyval) ||
keyval != GDK_KEY_Escape)
return GDK_EVENT_PROPAGATE;
entry = GTK_WIDGET (gtk_builder_get_object (priv->builder, "entry_search"));
gtk_entry_set_text (GTK_ENTRY (entry), "");
return GDK_EVENT_STOP;
}
static gboolean
entry_key_pressed_event_cb (GtkWidget *widget,
GdkEvent *event,
GtkSearchBar *bar)
{
GtkSearchBarPrivate *priv = gtk_search_bar_get_instance_private (bar);
guint keyval;
if (!gdk_event_get_keyval (event, &keyval) ||
keyval != GDK_KEY_Escape)
return GDK_EVENT_PROPAGATE;
gtk_revealer_set_reveal_child (GTK_REVEALER (priv->revealer), FALSE);
return GDK_EVENT_STOP;
}
static gboolean
window_keypress_handler (GtkWidget *window, GdkEvent *event, GsShell *shell)
{
GsShellPrivate *priv = gs_shell_get_instance_private (shell);
GtkWidget *entry;
guint keyval;
gboolean handled;
gboolean preedit_changed;
guint preedit_change_id;
gboolean res;
g_autofree gchar *old_text = NULL;
g_autofree gchar *new_text = NULL;
if (gs_shell_get_mode (shell) != GS_SHELL_MODE_OVERVIEW &&
gs_shell_get_mode (shell) != GS_SHELL_MODE_SEARCH)
return GDK_EVENT_PROPAGATE;
if (!gdk_event_get_keyval (event, &keyval) ||
is_keynav_event (event, keyval) ||
keyval == GDK_KEY_space ||
keyval == GDK_KEY_Menu)
return GDK_EVENT_PROPAGATE;
entry = GTK_WIDGET (gtk_builder_get_object (priv->builder, "entry_search"));
handled = GDK_EVENT_PROPAGATE;
preedit_changed = FALSE;
preedit_change_id = g_signal_connect (entry, "preedit-changed",
G_CALLBACK (preedit_changed_cb), &preedit_changed);
old_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (entry)));
res = gtk_widget_event (entry, event);
new_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (entry)));
g_signal_handler_disconnect (entry, preedit_change_id);
if ((res && g_strcmp0 (new_text, old_text) != 0) ||
preedit_changed) {
gtk_entry_grab_focus_without_selecting (GTK_ENTRY (entry));
handled = GDK_EVENT_STOP;
}
return handled;
}
/* Links can also be activated by clicking. */
static gboolean
textview_event_after (GtkTextView *textview,
GdkEvent *event)
{
GtkTextIter start, end, iter;
GtkTextBuffer *buffer;
gint x, y;
GdkModifierType mt = 0;
guint event_button = 0;
gdouble event_x_win = 0;
gdouble event_y_win = 0;
g_return_val_if_fail (GTK_IS_TEXT_VIEW (textview), FALSE);
if (event->type == GDK_KEY_PRESS || event->type == GDK_KEY_RELEASE) {
guint event_keyval = 0;
gdk_event_get_keyval (event, &event_keyval);
switch (event_keyval) {
case GDK_KEY_Control_L:
case GDK_KEY_Control_R:
update_ctrl_state (
textview,
event->type == GDK_KEY_PRESS);
break;
}
return FALSE;
}
if (!gdk_event_get_state (event, &mt)) {
GdkWindow *window;
GdkDisplay *display;
GdkDeviceManager *device_manager;
GdkDevice *device;
window = gtk_widget_get_parent_window (GTK_WIDGET (textview));
display = gdk_window_get_display (window);
device_manager = gdk_display_get_device_manager (display);
device = gdk_device_manager_get_client_pointer (device_manager);
gdk_window_get_device_position (window, device, NULL, NULL, &mt);
}
update_ctrl_state (textview, (mt & GDK_CONTROL_MASK) != 0);
if (event->type != GDK_BUTTON_RELEASE)
return FALSE;
gdk_event_get_button (event, &event_button);
gdk_event_get_coords (event, &event_x_win, &event_y_win);
if (event_button != 1 || (mt & GDK_CONTROL_MASK) == 0)
return FALSE;
buffer = gtk_text_view_get_buffer (textview);
/* we shouldn't follow a link if the user has selected something */
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end))
return FALSE;
gtk_text_view_window_to_buffer_coords (
textview,
GTK_TEXT_WINDOW_WIDGET,
event_x_win, event_y_win, &x, &y);
gtk_text_view_get_iter_at_location (textview, &iter, x, y);
invoke_link_if_present (buffer, &iter);
update_mouse_cursor (textview, x, y);
return FALSE;
}
