[gimp/gtk3-port: 204/226] app: make input devices, grabs and therefore generally tools work again
- From: Michael Natterer <mitch src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp/gtk3-port: 204/226] app: make input devices, grabs and therefore generally tools work again
- Date: Tue, 14 May 2013 18:47:08 +0000 (UTC)
commit 07f46bcfcb627c62af58d3ad84b7fb82665aaa8a
Author: Michael Natterer <mitch gimp org>
Date: Sun Feb 27 16:38:51 2011 +0100
app: make input devices, grabs and therefore generally tools work again
- add new "device from event" apparatus that works on GTK+ 3.x
- fix the active device selection mechanism
- use the new device grabbing functions
- make sure we don't process events while we have a grab on
another device
- compensate for some really obscure (and likely broken) behavior
of XI2, it feels like we are the first real users...
app/display/gimpdisplayshell-grab.c | 172 ++++++++++++++++++++-------
app/display/gimpdisplayshell-tool-events.c | 109 ++++++++++++++----
app/display/gimpdisplayshell.h | 10 +-
app/widgets/gimpdevices.c | 116 ++++++++++++++++---
app/widgets/gimpdevices.h | 34 +++---
5 files changed, 335 insertions(+), 106 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-grab.c b/app/display/gimpdisplayshell-grab.c
index 2ca9c1a..7d5cfbb 100644
--- a/app/display/gimpdisplayshell-grab.c
+++ b/app/display/gimpdisplayshell-grab.c
@@ -23,41 +23,110 @@
#include "display-types.h"
+#include "widgets/gimpdevices.h"
+
+#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-grab.h"
+static GdkDevice *
+get_associated_pointer (GdkDevice *device)
+{
+ switch (gdk_device_get_device_type (device))
+ {
+ case GDK_DEVICE_TYPE_SLAVE:
+ device = gdk_device_get_associated_device (device);
+ break;
+
+ case GDK_DEVICE_TYPE_FLOATING:
+ {
+ GdkDisplay *display = gdk_device_get_display (device);
+ GdkDeviceManager *manager = gdk_display_get_device_manager (display);
+
+ return gdk_device_manager_get_client_pointer (manager);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
+ device = gdk_device_get_associated_device (device);
+
+ return device;
+}
+
+static GdkDevice *
+get_associated_keyboard (GdkDevice *device)
+{
+ switch (gdk_device_get_device_type (device))
+ {
+ case GDK_DEVICE_TYPE_SLAVE:
+ device = gdk_device_get_associated_device (device);
+ break;
+
+ case GDK_DEVICE_TYPE_FLOATING:
+ {
+ GdkDisplay *display = gdk_device_get_display (device);
+ GdkDeviceManager *manager = gdk_display_get_device_manager (display);
+
+ device = gdk_device_manager_get_client_pointer (manager);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ if (gdk_device_get_source (device) != GDK_SOURCE_KEYBOARD)
+ device = gdk_device_get_associated_device (device);
+
+ return device;
+}
+
gboolean
gimp_display_shell_pointer_grab (GimpDisplayShell *shell,
const GdkEvent *event,
GdkEventMask event_mask)
{
+ GdkDevice *device;
+ GdkDevice *source_device;
+ GdkGrabStatus status;
+
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
- g_return_val_if_fail (shell->pointer_grabbed == FALSE, FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+ g_return_val_if_fail (shell->grab_pointer == NULL, FALSE);
+
+ source_device = gimp_devices_get_from_event (shell->display->gimp,
+ event, &device);
- if (event)
+ if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
{
- GdkGrabStatus status;
+ device = get_associated_pointer (device);
+ source_device = NULL;
+ }
- status = gdk_pointer_grab (gtk_widget_get_window (shell->canvas),
- FALSE, event_mask, NULL, NULL,
- gdk_event_get_time (event));
+ status = gdk_device_grab (device,
+ gtk_widget_get_window (shell->canvas),
+ GDK_OWNERSHIP_APPLICATION,
+ FALSE, event_mask, NULL,
+ gdk_event_get_time (event));
- if (status != GDK_GRAB_SUCCESS)
- {
- g_printerr ("%s: gdk_pointer_grab failed with status %d\n",
- G_STRFUNC, status);
- return FALSE;
- }
+ if (status == GDK_GRAB_SUCCESS)
+ {
+ shell->grab_pointer = device;
+ shell->grab_pointer_source = source_device;
+ shell->grab_pointer_time = gdk_event_get_time (event);
- shell->pointer_grab_time = gdk_event_get_time (event);
+ return TRUE;
}
- gtk_grab_add (shell->canvas);
+ g_printerr ("%s: gdk_device_grab(%s) failed with status %d\n",
+ G_STRFUNC, gdk_device_get_name (device), status);
- shell->pointer_grabbed = TRUE;
-
- return TRUE;
+ return FALSE;
}
void
@@ -65,46 +134,59 @@ gimp_display_shell_pointer_ungrab (GimpDisplayShell *shell,
const GdkEvent *event)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
- g_return_if_fail (shell->pointer_grabbed == TRUE);
-
- gtk_grab_remove (shell->canvas);
+ g_return_if_fail (event != NULL);
+ g_return_if_fail (shell->grab_pointer != NULL);
- if (event)
- {
- gdk_display_pointer_ungrab (gtk_widget_get_display (shell->canvas),
- shell->pointer_grab_time);
+ gdk_device_ungrab (shell->grab_pointer, shell->grab_pointer_time);
- shell->pointer_grab_time = 0;
- }
-
- shell->pointer_grabbed = FALSE;
+ shell->grab_pointer = NULL;
+ shell->grab_pointer_source = NULL;
+ shell->grab_pointer_time = 0;
}
gboolean
gimp_display_shell_keyboard_grab (GimpDisplayShell *shell,
const GdkEvent *event)
{
- GdkGrabStatus status;
+ GdkDevice *device;
+ GdkDevice *source_device;
+ GdkGrabStatus status;
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
- g_return_val_if_fail (shell->keyboard_grabbed == FALSE, FALSE);
+ g_return_val_if_fail (shell->grab_keyboard == NULL, FALSE);
- status = gdk_keyboard_grab (gtk_widget_get_window (shell->canvas),
- FALSE,
- gdk_event_get_time (event));
+ source_device = gimp_devices_get_from_event (shell->display->gimp,
+ event, &device);
- if (status != GDK_GRAB_SUCCESS)
+ if (gdk_device_get_source (device) != GDK_SOURCE_KEYBOARD)
{
- g_printerr ("%s: gdk_keyboard_grab failed with status %d\n",
- G_STRFUNC, status);
- return FALSE;
+ device = get_associated_keyboard (device);
+ source_device = NULL;
+ }
+
+ status = gdk_device_grab (device,
+ gtk_widget_get_window (shell->canvas),
+ GDK_OWNERSHIP_APPLICATION,
+ FALSE,
+ GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK |
+ GDK_FOCUS_CHANGE_MASK,
+ NULL, gdk_event_get_time (event));
+
+ if (status == GDK_GRAB_SUCCESS)
+ {
+ shell->grab_keyboard = device;
+ shell->grab_keyboard_source = source_device;
+ shell->grab_keyboard_time = gdk_event_get_time (event);
+
+ return TRUE;
}
- shell->keyboard_grabbed = TRUE;
- shell->keyboard_grab_time = gdk_event_get_time (event);
+ g_printerr ("%s: gdk_device_grab(%s) failed with status %d\n",
+ G_STRFUNC, gdk_device_get_name (device), status);
- return TRUE;
+ return FALSE;
}
void
@@ -113,11 +195,11 @@ gimp_display_shell_keyboard_ungrab (GimpDisplayShell *shell,
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
g_return_if_fail (event != NULL);
- g_return_if_fail (shell->keyboard_grabbed == TRUE);
+ g_return_if_fail (shell->grab_keyboard != NULL);
- gdk_display_keyboard_ungrab (gtk_widget_get_display (shell->canvas),
- shell->keyboard_grab_time);
+ gdk_device_ungrab (shell->grab_keyboard, shell->grab_keyboard_time);
- shell->keyboard_grabbed = FALSE;
- shell->keyboard_grab_time = 0;
+ shell->grab_keyboard = NULL;
+ shell->grab_keyboard_source = NULL;
+ shell->grab_keyboard_time = 0;
}
diff --git a/app/display/gimpdisplayshell-tool-events.c b/app/display/gimpdisplayshell-tool-events.c
index 58a9d03..ba43f1f 100644
--- a/app/display/gimpdisplayshell-tool-events.c
+++ b/app/display/gimpdisplayshell-tool-events.c
@@ -76,6 +76,9 @@ static GdkModifierType
static void gimp_display_shell_proximity_in (GimpDisplayShell *shell);
static void gimp_display_shell_proximity_out (GimpDisplayShell *shell);
+static gboolean gimp_display_shell_check_device (GimpDisplayShell *shell,
+ GdkEvent *event,
+ gboolean *device_changed);
static void gimp_display_shell_check_device_cursor (GimpDisplayShell *shell);
static void gimp_display_shell_start_scrolling (GimpDisplayShell *shell,
@@ -336,12 +339,8 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
GIMP_LOG (TOOL_EVENTS, "event (display %p): %s",
display, gimp_print_event (event));
- /* Find out what device the event occurred upon */
- if (! gimp->busy && gimp_devices_check_change (gimp, event))
- {
- gimp_display_shell_check_device_cursor (shell);
- device_changed = TRUE;
- }
+ if (gimp_display_shell_check_device (shell, event, &device_changed))
+ return TRUE;
gimp_display_shell_get_event_coords (shell, event,
&display_coords,
@@ -369,7 +368,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
return TRUE;
/* ignore enter notify while we have a grab */
- if (shell->pointer_grabbed)
+ if (shell->grab_pointer)
return TRUE;
gimp_display_shell_proximity_in (shell);
@@ -390,7 +389,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
return TRUE;
/* ignore leave notify while we have a grab */
- if (shell->pointer_grabbed)
+ if (shell->grab_pointer)
return TRUE;
gimp_display_shell_proximity_out (shell);
@@ -430,7 +429,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
g_warning ("%s: FOCUS_IN but canvas has no focus", G_STRFUNC);
/* ignore focus changes while we have a grab */
- if (shell->pointer_grabbed)
+ if (shell->grab_pointer)
return TRUE;
/* press modifier keys when the canvas gets the focus */
@@ -443,7 +442,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
g_warning ("%s: FOCUS_OUT but canvas has focus", G_STRFUNC);
/* ignore focus changes while we have a grab */
- if (shell->pointer_grabbed)
+ if (shell->grab_pointer)
return TRUE;
/* release modifier keys when the canvas loses the focus */
@@ -459,7 +458,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
GdkModifierType button_state;
/* ignore new mouse events */
- if (gimp->busy || shell->scrolling || shell->pointer_grabbed)
+ if (gimp->busy || shell->scrolling || shell->grab_pointer)
return TRUE;
button_state = gimp_display_shell_button_to_state (bevent->button);
@@ -522,13 +521,15 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
}
else if (bevent->button == 1)
{
- if (! gimp_display_shell_pointer_grab (shell, NULL, 0))
+ if (! gimp_display_shell_pointer_grab (shell, event,
+ GDK_POINTER_MOTION_MASK |
+ GDK_BUTTON_RELEASE_MASK))
return TRUE;
if (! shell->space_pressed && ! shell->space_release_pending)
if (! gimp_display_shell_keyboard_grab (shell, event))
{
- gimp_display_shell_pointer_ungrab (shell, NULL);
+ gimp_display_shell_pointer_ungrab (shell, event);
return TRUE;
}
@@ -563,7 +564,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
}
else if (bevent->button == 2)
{
- gimp_display_shell_start_scrolling (shell, NULL, state,
+ gimp_display_shell_start_scrolling (shell, event, state,
bevent->x, bevent->y);
}
@@ -641,7 +642,11 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
if (bevent->button == 1)
{
- if (! shell->pointer_grabbed || shell->scrolling)
+ /* If we don't have a grab, this is a release paired with
+ * a button press we intentionally ignored because we had
+ * a grab on another device at the time of the press
+ */
+ if (! shell->grab_pointer || shell->scrolling)
return TRUE;
if (! shell->space_pressed && ! shell->space_release_pending)
@@ -672,7 +677,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
gimp_display_shell_update_focus (shell, FALSE,
&image_coords, 0);
- gimp_display_shell_pointer_ungrab (shell, NULL);
+ gimp_display_shell_pointer_ungrab (shell, event);
if (shell->space_release_pending)
gimp_display_shell_space_released (shell, event, &image_coords);
@@ -680,7 +685,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
else if (bevent->button == 2)
{
if (shell->scrolling)
- gimp_display_shell_stop_scrolling (shell, NULL);
+ gimp_display_shell_stop_scrolling (shell, event);
}
else if (bevent->button == 3)
{
@@ -693,7 +698,7 @@ gimp_display_shell_canvas_tool_events (GtkWidget *canvas,
mouse = gimp_controllers_get_mouse (gimp);
- if (!(shell->scrolling || shell->pointer_grabbed) &&
+ if (!(shell->scrolling || shell->grab_pointer) &&
mouse && gimp_controller_mouse_button (GIMP_CONTROLLER_MOUSE (mouse),
bevent))
return TRUE;
@@ -1302,10 +1307,11 @@ gimp_display_shell_ruler_button_press (GtkWidget *widget,
gimp_display_shell_update_focus (shell, TRUE,
NULL, event->state);
- if (gimp_display_shell_pointer_grab (shell, NULL, 0))
+ if (gimp_display_shell_pointer_grab (shell, (GdkEvent *) event,
+ GDK_POINTER_MOTION_MASK |
+ GDK_BUTTON_RELEASE_MASK))
{
- if (gimp_display_shell_keyboard_grab (shell,
- (GdkEvent *) event))
+ if (gimp_display_shell_keyboard_grab (shell, (GdkEvent *) event))
{
if (sample_point)
gimp_color_tool_start_sample_point (active_tool, display);
@@ -1318,7 +1324,7 @@ gimp_display_shell_ruler_button_press (GtkWidget *widget,
}
else
{
- gimp_display_shell_pointer_ungrab (shell, NULL);
+ gimp_display_shell_pointer_ungrab (shell, (GdkEvent *) event);
}
}
}
@@ -1407,6 +1413,61 @@ gimp_display_shell_proximity_out (GimpDisplayShell *shell)
}
}
+static gboolean
+gimp_display_shell_check_device (GimpDisplayShell *shell,
+ GdkEvent *event,
+ gboolean *device_changed)
+{
+ Gimp *gimp = gimp_display_get_gimp (shell->display);
+ GdkDevice *device;
+ GdkDevice *grab_device;
+
+ /* Find out what device the event occurred upon */
+ device = gimp_devices_get_from_event (gimp, event, &grab_device);
+
+ if (device)
+ {
+ /* While we have a grab, ignore all events from all other devices
+ * of the same type
+ */
+ if (event->type == GDK_KEY_PRESS ||
+ event->type == GDK_KEY_RELEASE ||
+ event->type == GDK_FOCUS_CHANGE)
+ {
+ if ((shell->grab_keyboard && (shell->grab_keyboard != grab_device)) ||
+ (shell->grab_keyboard_source && (shell->grab_keyboard_source != device)))
+ {
+ GIMP_LOG (TOOL_EVENTS,
+ "ignoring key event from '%s' while waiting for event from '%s'\n",
+ gdk_device_get_name (device),
+ gdk_device_get_name (shell->grab_keyboard_source));
+ return TRUE;
+ }
+ }
+ else
+ {
+ if ((shell->grab_pointer && (shell->grab_pointer != grab_device)) ||
+ (shell->grab_pointer_source && (shell->grab_pointer_source != device)))
+ {
+ GIMP_LOG (TOOL_EVENTS,
+ "ignoring pointer event from '%s' while waiting for event from '%s'\n",
+ gdk_device_get_name (device),
+ gdk_device_get_name (shell->grab_pointer_source));
+ return TRUE;
+ }
+ }
+
+ if (! gimp->busy && gimp_devices_check_change (gimp, device))
+ {
+ gimp_display_shell_check_device_cursor (shell);
+
+ *device_changed = TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
static void
gimp_display_shell_check_device_cursor (GimpDisplayShell *shell)
{
@@ -1429,7 +1490,9 @@ gimp_display_shell_start_scrolling (GimpDisplayShell *shell,
{
g_return_if_fail (! shell->scrolling);
- gimp_display_shell_pointer_grab (shell, event, GDK_POINTER_MOTION_MASK);
+ gimp_display_shell_pointer_grab (shell, event,
+ GDK_POINTER_MOTION_MASK |
+ GDK_BUTTON_RELEASE_MASK);
shell->scrolling = TRUE;
shell->scroll_last_x = x;
diff --git a/app/display/gimpdisplayshell.h b/app/display/gimpdisplayshell.h
index 50f1823..69f0ea7 100644
--- a/app/display/gimpdisplayshell.h
+++ b/app/display/gimpdisplayshell.h
@@ -169,11 +169,13 @@ struct _GimpDisplayShell
gboolean size_allocate_from_configure_event;
/* the state of gimp_display_shell_tool_events() */
- gboolean pointer_grabbed;
- guint32 pointer_grab_time;
+ GdkDevice *grab_pointer;
+ GdkDevice *grab_pointer_source;
+ guint32 grab_pointer_time;
- gboolean keyboard_grabbed;
- guint32 keyboard_grab_time;
+ GdkDevice *grab_keyboard;
+ GdkDevice *grab_keyboard_source;
+ guint32 grab_keyboard_time;
gboolean space_pressed;
gboolean space_release_pending;
diff --git a/app/widgets/gimpdevices.c b/app/widgets/gimpdevices.c
index f040720..78383b2 100644
--- a/app/widgets/gimpdevices.c
+++ b/app/widgets/gimpdevices.c
@@ -234,6 +234,89 @@ gimp_devices_get_manager (Gimp *gimp)
return manager;
}
+GdkDevice *
+gimp_devices_get_from_event (Gimp *gimp,
+ const GdkEvent *event,
+ GdkDevice **grab_device)
+{
+ GdkDevice *device;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+ g_return_val_if_fail (event != NULL, NULL);
+
+ device = gdk_event_get_source_device (event);
+
+ /* initialize the default grab device to the event's device,
+ * because that is always either a master or a floating device,
+ * which is the types of devices we can make grabs on without
+ * disturbing side effects.
+ */
+ if (grab_device)
+ *grab_device = gdk_event_get_device (event);
+
+ if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
+ {
+ switch (gdk_device_get_device_type (device))
+ {
+ case GDK_DEVICE_TYPE_MASTER:
+ /* this happens on focus synthesized focus changed events,
+ * and we can't do anything with the returned device, so
+ * return NULL
+ */
+ return NULL;
+
+ case GDK_DEVICE_TYPE_SLAVE:
+ /* it makes no sense for us to distinguigh between
+ * different slave keyboards, so just always return
+ * their respective master
+ */
+ return gdk_device_get_associated_device (device);
+
+ case GDK_DEVICE_TYPE_FLOATING:
+ /* we have no way of explicitly enabling floating
+ * keyboards, so we cannot get their events
+ */
+ g_return_val_if_reached (device);
+ }
+ }
+ else
+ {
+ switch (gdk_device_get_device_type (device))
+ {
+ case GDK_DEVICE_TYPE_MASTER:
+ /* this can only happen for synthesized events which have
+ * no actual source, so return NULL to indicate that we
+ * cannot do anything with the event's device information
+ */
+ return NULL;
+
+ case GDK_DEVICE_TYPE_SLAVE:
+ /* this is the tricky part: we do want to distingiugh slave
+ * devices, but only if we actually enabled them ourselves
+ * explicitely (like the pens of a tablet); however we
+ * usually don't enable the different incarnations of the
+ * mouse itself (like touchpad, trackpoint, usb mouse
+ * etc.), so for these return their respective master so
+ * its settings are used
+ */
+ if (gdk_device_get_mode (device) == GDK_MODE_DISABLED)
+ {
+ return gdk_device_get_associated_device (device);
+ }
+
+ return device;
+
+ case GDK_DEVICE_TYPE_FLOATING:
+ /* we only get events for floating devices which have
+ * enabled ourselves, so return the floating device
+ */
+ return device;
+ }
+ }
+
+ g_return_val_if_reached (device);
+}
+
void
gimp_devices_add_widget (Gimp *gimp,
GtkWidget *widget)
@@ -255,44 +338,39 @@ gimp_devices_check_callback (GtkWidget *widget,
g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
if (! gimp->busy)
- gimp_devices_check_change (gimp, event);
+ {
+ GdkDevice *device;
+
+ device = gimp_devices_get_from_event (gimp, event, NULL);
+
+ if (device)
+ gimp_devices_check_change (gimp, device);
+ }
return FALSE;
}
gboolean
-gimp_devices_check_change (Gimp *gimp,
- GdkEvent *event)
+gimp_devices_check_change (Gimp *gimp,
+ GdkDevice *device)
{
GimpDeviceManager *manager;
- GdkDevice *device;
GimpDeviceInfo *device_info;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ g_return_val_if_fail (GDK_IS_DEVICE (device), FALSE);
manager = gimp_devices_get_manager (gimp);
g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), FALSE);
- device = gdk_event_get_source_device (event);
-
- if (! device)
- device = gimp_device_manager_get_current_device (manager)->device;
-
device_info = gimp_device_info_get_by_device (device);
if (! device_info)
- {
- device = gdk_event_get_device (event);
-
- if (! device)
- device = gimp_device_manager_get_current_device (manager)->device;
-
- device_info = gimp_device_info_get_by_device (device);
- }
+ device_info = gimp_device_manager_get_current_device (manager);
- if (device_info && device_info != gimp_device_manager_get_current_device (manager))
+ if (device_info &&
+ device_info != gimp_device_manager_get_current_device (manager))
{
gimp_device_manager_set_current_device (manager, device_info);
return TRUE;
diff --git a/app/widgets/gimpdevices.h b/app/widgets/gimpdevices.h
index a2cdbc8..9d5bce6 100644
--- a/app/widgets/gimpdevices.h
+++ b/app/widgets/gimpdevices.h
@@ -19,26 +19,30 @@
#define __GIMP_DEVICES_H__
-void gimp_devices_init (Gimp *gimp);
-void gimp_devices_exit (Gimp *gimp);
+void gimp_devices_init (Gimp *gimp);
+void gimp_devices_exit (Gimp *gimp);
-void gimp_devices_restore (Gimp *gimp);
-void gimp_devices_save (Gimp *gimp,
- gboolean always_save);
+void gimp_devices_restore (Gimp *gimp);
+void gimp_devices_save (Gimp *gimp,
+ gboolean always_save);
-gboolean gimp_devices_clear (Gimp *gimp,
- GError **error);
+gboolean gimp_devices_clear (Gimp *gimp,
+ GError **error);
-GimpDeviceManager * gimp_devices_get_manager (Gimp *gimp);
+GimpDeviceManager * gimp_devices_get_manager (Gimp *gimp);
-void gimp_devices_add_widget (Gimp *gimp,
- GtkWidget *widget);
+GdkDevice * gimp_devices_get_from_event (Gimp *gimp,
+ const GdkEvent *event,
+ GdkDevice **grab_device);
-gboolean gimp_devices_check_callback (GtkWidget *widget,
- GdkEvent *event,
- Gimp *gimp);
-gboolean gimp_devices_check_change (Gimp *gimp,
- GdkEvent *event);
+void gimp_devices_add_widget (Gimp *gimp,
+ GtkWidget *widget);
+
+gboolean gimp_devices_check_callback (GtkWidget *widget,
+ GdkEvent *event,
+ Gimp *gimp);
+gboolean gimp_devices_check_change (Gimp *gimp,
+ GdkDevice *device);
#endif /* __GIMP_DEVICES_H__ */
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