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Add support for button press/release and scroll events. Patch by Ed Catmur

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* gtk/gtkstatusicon.[hc]: Add support for button press/release and
scroll events. Patch by Ed Catmur

svn path=/trunk/; revision=21746
This commit is contained in:
Matthias Clasen
2008-11-01 05:33:26 +00:00
parent d1c6982eaa
commit 1ffab34fee
3 changed files with 204 additions and 15 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2008-11-01 Matthias Clasen <mclasen@redhat.com>
Bug 409435 – GtkStatusIcon enhancements: DnD, scroll events,
middle click, rich tooltips
* gtk/gtkstatusicon.[hc]: Add support for button press/release and
scroll events. Patch by Ed Catmur
2008-11-01 Matthias Clasen <mclasen@redhat.com>
Bug 322934 – Replace menu's proxy icons with empty space hiding icons

182
gtk/gtkstatusicon.c
View File

@ -40,6 +40,7 @@
#include "gtkprivate.h"
#include "gtkwidget.h"
#include "gtktooltip.h"
#ifdef GDK_WINDOWING_X11
#include "gdk/x11/gdkx.h"
@ -86,6 +87,9 @@ enum
ACTIVATE_SIGNAL,
POPUP_MENU_SIGNAL,
SIZE_CHANGED_SIGNAL,
BUTTON_PRESS_EVENT_SIGNAL,
BUTTON_RELEASE_EVENT_SIGNAL,
SCROLL_EVENT_SIGNAL,
LAST_SIGNAL
};
@ -157,6 +161,8 @@ static void gtk_status_icon_screen_changed (GtkStatusIcon *status_icon,
GdkScreen *old_screen);
static void gtk_status_icon_embedded_changed (GtkStatusIcon *status_icon);
static void gtk_status_icon_orientation_changed (GtkStatusIcon *status_icon);
static gboolean gtk_status_icon_scroll (GtkStatusIcon *status_icon,
GdkEventScroll *event);
static gboolean gtk_status_icon_key_press (GtkStatusIcon *status_icon,
GdkEventKey *event);
@ -164,6 +170,8 @@ static void gtk_status_icon_popup_menu (GtkStatusIcon *status_icon);
#endif
static gboolean gtk_status_icon_button_press (GtkStatusIcon *status_icon,
GdkEventButton *event);
static gboolean gtk_status_icon_button_release (GtkStatusIcon *status_icon,
GdkEventButton *event);
static void gtk_status_icon_disable_blinking (GtkStatusIcon *status_icon);
static void gtk_status_icon_reset_image_data (GtkStatusIcon *status_icon);
static void gtk_status_icon_update_image (GtkStatusIcon *status_icon);
@ -180,6 +188,10 @@ gtk_status_icon_class_init (GtkStatusIconClass *class)
gobject_class->set_property = gtk_status_icon_set_property;
gobject_class->get_property = gtk_status_icon_get_property;
class->button_press_event = NULL;
class->button_release_event = NULL;
class->scroll_event = NULL;
g_object_class_install_property (gobject_class,
PROP_PIXBUF,
g_param_spec_object ("pixbuf",
@ -304,7 +316,6 @@ gtk_status_icon_class_init (GtkStatusIconClass *class)
GTK_ORIENTATION_HORIZONTAL,
GTK_PARAM_READABLE));
/**
* GtkStatusIcon::activate:
* @status_icon: the object which received the signal
@ -386,6 +397,86 @@ gtk_status_icon_class_init (GtkStatusIconClass *class)
1,
G_TYPE_INT);
/**
* GtkStatusIcon::button-press-event:
* @status_icon: the object which received the signal
* @event: the #GdkEventButton which triggered this signal
*
* The ::button-press-event signal will be emitted when a button
* (typically from a mouse) is pressed.
*
* Whether this event is emitted is platform-dependent. Use the
* #GtkStatusIcon::activate and #GtkStatusIcon::popup-menu signals
* in preference.
*
* Return value: %TRUE to stop other handlers from being invoked
* for the event. %FALSE to propagate the event further.
*
* Since: 2.16
*/
status_icon_signals [BUTTON_PRESS_EVENT_SIGNAL] =
g_signal_new (I_("button_press_event"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkStatusIconClass, button_press_event),
g_signal_accumulator_true_handled, NULL,
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
/**
* GtkStatusIcon::button-release-event:
* @status_icon: the object which received the signal
* @event: the #GdkEventButton which triggered this signal
*
* The ::button-release-event signal will be emitted when a button
* (typically from a mouse) is released.
*
* Whether this event is emitted is platform-dependent. Use the
* #GtkStatusIcon::activate and #GtkStatusIcon::popup-menu signals
* in preference.
*
* Return value: %TRUE to stop other handlers from being invoked
* for the event. %FALSE to propagate the event further.
*
* Since: 2.16
*/
status_icon_signals [BUTTON_RELEASE_EVENT_SIGNAL] =
g_signal_new (I_("button_release_event"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkStatusIconClass, button_release_event),
g_signal_accumulator_true_handled, NULL,
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
/**
* GtkStatusIcon::scroll-event:
* @status_icon: the object which received the signal.
* @event: the #GdkEventScroll which triggered this signal
*
* The ::scroll-event signal is emitted when a button in the 4 to 7
* range is pressed. Wheel mice are usually configured to generate
* button press events for buttons 4 and 5 when the wheel is turned.
*
* Whether this event is emitted is platform-dependent.
*
* Returns: %TRUE to stop other handlers from being invoked for the event.
* %FALSE to propagate the event further.
*
* Since: 2.16
*/
status_icon_signals[SCROLL_EVENT_SIGNAL] =
g_signal_new (I_("scroll_event"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkStatusIconClass, scroll_event),
g_signal_accumulator_true_handled, NULL,
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
g_type_class_add_private (class, sizeof (GtkStatusIconPrivate));
}
@ -426,7 +517,10 @@ button_callback (gpointer data)
{
ButtonCallbackData *bc = (ButtonCallbackData *) data;
if (event->type == GDK_BUTTON_PRESS)
gtk_status_icon_button_press (bc->status_icon, bc->event);
else
gtk_status_icon_button_release (bc->status_icon, bc->event);
gdk_event_free ((GdkEvent *) bc->event);
g_free (data);
@ -472,17 +566,62 @@ wndproc (HWND hwnd,
if (message == WM_GTK_TRAY_NOTIFICATION)
{
ButtonCallbackData *bc;
guint button;
switch (lparam)
{
case WM_LBUTTONDOWN:
button = 1;
goto buttondown0;
case WM_MBUTTONDOWN:
button = 2;
goto buttondown0;
case WM_RBUTTONDOWN:
button = 3;
goto buttondown0;
case WM_XBUTTONDOWN:
if (HIWORD (wparam) == XBUTTON1)
button = 4;
else
button = 5;
buttondown0:
bc = g_new (ButtonCallbackData, 1);
bc->event = (GdkEventButton *) gdk_event_new (GDK_BUTTON_PRESS);
bc->status_icon = GTK_STATUS_ICON (wparam);
build_button_event (bc->status_icon->priv, bc->event, (lparam == WM_LBUTTONDOWN) ? 1 : 3);
build_button_event (bc->status_icon->priv, bc->event, button);
g_idle_add (button_callback, bc);
break;
case WM_LBUTTONUP:
button = 1;
goto buttonup0;
case WM_MBUTTONUP:
button = 2;
goto buttonup0;
case WM_RBUTTONUP:
button = 3;
goto buttonup0;
case WM_XBUTTONUP:
if (HIWORD (wparam) == XBUTTON1)
button = 4;
else
button = 5;
buttonup0:
bc = g_new (ButtonCallbackData, 1);
bc->event = (GdkEventButton *) gdk_event_new (GDK_BUTTON_RELEASE);
bc->status_icon = GTK_STATUS_ICON (wparam);
build_button_event (bc->status_icon->priv, bc->event, button);
g_idle_add (button_callback, bc);
break;
default :
break;
}
@ -551,7 +690,8 @@ gtk_status_icon_init (GtkStatusIcon *status_icon)
priv->tray_icon = GTK_WIDGET (_gtk_tray_icon_new (NULL));
gtk_widget_add_events (GTK_WIDGET (priv->tray_icon),
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_SCROLL_MASK);
g_signal_connect_swapped (priv->tray_icon, "key-press-event",
G_CALLBACK (gtk_status_icon_key_press), status_icon);
@ -563,6 +703,10 @@ gtk_status_icon_init (GtkStatusIcon *status_icon)
G_CALLBACK (gtk_status_icon_orientation_changed), status_icon);
g_signal_connect_swapped (priv->tray_icon, "button-press-event",
G_CALLBACK (gtk_status_icon_button_press), status_icon);
g_signal_connect_swapped (priv->tray_icon, "button-release-event",
G_CALLBACK (gtk_status_icon_button_release), status_icon);
g_signal_connect_swapped (priv->tray_icon, "scroll-event",
G_CALLBACK (gtk_status_icon_scroll), status_icon);
g_signal_connect_swapped (priv->tray_icon, "screen-changed",
G_CALLBACK (gtk_status_icon_screen_changed), status_icon);
priv->image = gtk_image_new ();
@ -1384,6 +1528,14 @@ static gboolean
gtk_status_icon_button_press (GtkStatusIcon *status_icon,
GdkEventButton *event)
{
gboolean handled = FALSE;
g_signal_emit (status_icon,
status_icon_signals [BUTTON_PRESS_EVENT_SIGNAL], 0,
event, &handled);
if (handled)
return TRUE;
if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
{
emit_activate_signal (status_icon);
@ -1398,6 +1550,30 @@ gtk_status_icon_button_press (GtkStatusIcon *status_icon,
return FALSE;
}
static gboolean
gtk_status_icon_button_release (GtkStatusIcon *status_icon,
GdkEventButton *event)
{
gboolean handled = FALSE;
g_signal_emit (status_icon,
status_icon_signals [BUTTON_RELEASE_EVENT_SIGNAL], 0,
event, &handled);
return handled;
}
#ifdef GDK_WINDOWING_X11
static gboolean
gtk_status_icon_scroll (GtkStatusIcon *status_icon,
GdkEventScroll *event)
{
gboolean handled = FALSE;
g_signal_emit (status_icon,
status_icon_signals [SCROLL_EVENT_SIGNAL], 0,
event, &handled);
return handled;
}
#endif /* GDK_WINDOWING_X11 */
static void
gtk_status_icon_reset_image_data (GtkStatusIcon *status_icon)
{

13
gtk/gtkstatusicon.h
View File

@ -61,13 +61,16 @@ struct _GtkStatusIconClass
guint32 activate_time);
gboolean (* size_changed) (GtkStatusIcon *status_icon,
gint size);
gboolean (* button_press_event) (GtkStatusIcon *status_icon,
GdkEventButton *event);
gboolean (* button_release_event) (GtkStatusIcon *status_icon,
GdkEventButton *event);
gboolean (* scroll_event) (GtkStatusIcon *status_icon,
GdkEventScroll *event);
void (*__gtk_reserved1);
void (*__gtk_reserved2);
void (*__gtk_reserved3);
void (*__gtk_reserved4);
void (*__gtk_reserved5);
void (*__gtk_reserved6);
};
GType gtk_status_icon_get_type (void) G_GNUC_CONST;
@ -105,7 +108,6 @@ GdkScreen *gtk_status_icon_get_screen (GtkStatusIcon *st
void gtk_status_icon_set_tooltip (GtkStatusIcon *status_icon,
const gchar *tooltip_text);
void gtk_status_icon_set_visible (GtkStatusIcon *status_icon,
gboolean visible);
gboolean gtk_status_icon_get_visible (GtkStatusIcon *status_icon);
@ -125,6 +127,9 @@ gboolean gtk_status_icon_get_geometry (GtkStatusIcon *st
GdkScreen **screen,
GdkRectangle *area,
GtkOrientation *orientation);
gboolean gtk_status_icon_get_has_tooltip (GtkStatusIcon *status_icon);
gchar *gtk_status_icon_get_tooltip_text (GtkStatusIcon *status_icon);
gchar *gtk_status_icon_get_tooltip_markup (GtkStatusIcon *status_icon);
guint32 gtk_status_icon_get_x11_window_id (GtkStatusIcon *status_icon);