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widgets: Add GimpDeviceInfo API to generate a GtkPadController 

This API call will snapshot the current configuration of a device
into a GtkPadController, that is created and attached to a toplevel
(this event controller only acts on toplevels).

This controller will handle pad events, trigger actions, and update
compositor feedback (e.g. GNOME Shell pad OSD) as per the actions
mapped in the configuration dialog.
This commit is contained in:
Carlos Garnacho 2023-06-13 21:41:40 +02:00 committed by Jehan
parent 6ca6f87c16
commit 02eea132c2
2 changed files with 73 additions and 0 deletions
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70
app/widgets/gimpdeviceinfo.c
View File

@ -38,6 +38,8 @@
#include "core/gimpparamspecs.h"
#include "core/gimptoolinfo.h"
#include "widgets/gimpaction.h"
#include "gimpdeviceinfo.h"
#include "gimp-intl.h"
@ -761,6 +763,48 @@ gimp_device_info_updated (GimpDeviceInfo *info)
g_object_thaw_notify (G_OBJECT (info));
}
static void
gimp_device_info_pad_action_map_foreach (GimpPadActions *pad_actions,
GimpPadActionType action_type,
guint number,
guint mode,
const gchar *action_name,
gpointer data)
{
GtkPadController *controller = data;
GimpDeviceInfo *info;
Gimp *gimp;
GimpAction *action;
gchar *label;
gchar *accel_pos;
info = g_object_get_data (G_OBJECT (controller), "device-info");
if (!info)
return;
gimp = GIMP_TOOL_PRESET (info)->gimp;
action = GIMP_ACTION (g_action_map_lookup_action (G_ACTION_MAP (gimp->app),
action_name));
if (!action)
return;
/* Trim the accelerator from the feedback string */
label = g_strdup (gimp_action_get_label (action));
accel_pos = g_utf8_strchr (label, -1, '_');
if (accel_pos)
strcpy (accel_pos, accel_pos + 1);
gtk_pad_controller_set_action (controller,
/* Action type enums are binary compatible */
(GtkPadActionType) action_type,
number, mode,
label,
gimp_action_get_name (action));
g_free (label);
}
/* public functions */
GimpDeviceInfo *
@ -1428,3 +1472,29 @@ gimp_device_info_get_pad_actions (GimpDeviceInfo *info)
{
return info->priv->pad_actions;
}
GtkPadController *
gimp_device_info_create_pad_controller (GimpDeviceInfo *info,
GimpWindow *window)
{
Gimp *gimp;
GimpPadActions *pad_actions;
GtkPadController *controller;
gimp = GIMP_TOOL_PRESET (info)->gimp;
pad_actions = gimp_device_info_get_pad_actions (info);
if (gimp_pad_actions_get_n_actions (pad_actions) == 0)
return NULL;
controller = gtk_pad_controller_new (GTK_WINDOW (window),
G_ACTION_GROUP (gimp->app),
info->priv->device);
g_object_set_data (G_OBJECT (controller), "device-info", info);
gimp_pad_actions_foreach (pad_actions,
gimp_device_info_pad_action_map_foreach,
controller);
return controller;
}

3
app/widgets/gimpdeviceinfo.h
View File

@ -126,6 +126,9 @@ gint gimp_device_info_compare (GimpDeviceInfo *a,
GimpPadActions * gimp_device_info_get_pad_actions (GimpDeviceInfo *info);
GtkPadController * gimp_device_info_create_pad_controller (GimpDeviceInfo *info,
GimpWindow *window);
G_END_DECLS