736 lines
29 KiB
C
736 lines
29 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikatoolwidgetgroup.c
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* Copyright (C) 2018 Ell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "display-types.h"
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#include "core/pikacontainer.h"
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#include "core/pikalist.h"
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#include "pikacanvasgroup.h"
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#include "pikadisplayshell.h"
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#include "pikatoolwidgetgroup.h"
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struct _PikaToolWidgetGroupPrivate
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{
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PikaContainer *children;
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PikaToolWidget *focus_widget;
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PikaToolWidget *hover_widget;
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gboolean auto_raise;
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};
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/* local function prototypes */
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static void pika_tool_widget_group_finalize (GObject *object);
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static void pika_tool_widget_group_focus_changed (PikaToolWidget *widget);
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static gint pika_tool_widget_group_button_press (PikaToolWidget *widget,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaButtonPressType press_type);
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static void pika_tool_widget_group_button_release (PikaToolWidget *widget,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaButtonReleaseType release_type);
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static void pika_tool_widget_group_motion (PikaToolWidget *widget,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state);
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static PikaHit pika_tool_widget_group_hit (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity);
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static void pika_tool_widget_group_hover (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity);
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static void pika_tool_widget_group_leave_notify (PikaToolWidget *widget);
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static gboolean pika_tool_widget_group_key_press (PikaToolWidget *widget,
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GdkEventKey *kevent);
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static gboolean pika_tool_widget_group_key_release (PikaToolWidget *widget,
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GdkEventKey *kevent);
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static void pika_tool_widget_group_motion_modifier (PikaToolWidget *widget,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state);
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static void pika_tool_widget_group_hover_modifier (PikaToolWidget *widget,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state);
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static gboolean pika_tool_widget_group_get_cursor (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaCursorType *cursor,
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PikaToolCursorType *tool_cursor,
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PikaCursorModifier *modifier);
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static void pika_tool_widget_group_children_add (PikaContainer *container,
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PikaToolWidget *child,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_children_remove (PikaContainer *container,
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PikaToolWidget *child,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_children_reorder (PikaContainer *container,
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PikaToolWidget *child,
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gint new_index,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_changed (PikaToolWidget *child,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_response (PikaToolWidget *child,
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gint response_id,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_snap_offsets (PikaToolWidget *child,
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gint offset_x,
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gint offset_y,
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gint width,
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gint height,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_status (PikaToolWidget *child,
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const gchar *status,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_status_coords (PikaToolWidget *child,
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const gchar *title,
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gdouble x,
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const gchar *separator,
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gdouble y,
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const gchar *help,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_message (PikaToolWidget *child,
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const gchar *message,
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PikaToolWidgetGroup *group);
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static void pika_tool_widget_group_child_focus_changed (PikaToolWidget *child,
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PikaToolWidgetGroup *group);
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static PikaToolWidget * pika_tool_widget_group_get_hover_widget (PikaToolWidgetGroup *group,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaHit *hit);
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G_DEFINE_TYPE_WITH_PRIVATE (PikaToolWidgetGroup, pika_tool_widget_group,
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PIKA_TYPE_TOOL_WIDGET)
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#define parent_class pika_tool_widget_group_parent_class
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/* priv functions */
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static void
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pika_tool_widget_group_class_init (PikaToolWidgetGroupClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaToolWidgetClass *widget_class = PIKA_TOOL_WIDGET_CLASS (klass);
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object_class->finalize = pika_tool_widget_group_finalize;
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widget_class->focus_changed = pika_tool_widget_group_focus_changed;
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widget_class->button_press = pika_tool_widget_group_button_press;
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widget_class->button_release = pika_tool_widget_group_button_release;
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widget_class->motion = pika_tool_widget_group_motion;
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widget_class->hit = pika_tool_widget_group_hit;
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widget_class->hover = pika_tool_widget_group_hover;
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widget_class->leave_notify = pika_tool_widget_group_leave_notify;
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widget_class->key_press = pika_tool_widget_group_key_press;
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widget_class->key_release = pika_tool_widget_group_key_release;
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widget_class->motion_modifier = pika_tool_widget_group_motion_modifier;
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widget_class->hover_modifier = pika_tool_widget_group_hover_modifier;
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widget_class->get_cursor = pika_tool_widget_group_get_cursor;
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}
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static void
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pika_tool_widget_group_init (PikaToolWidgetGroup *group)
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{
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PikaToolWidgetGroupPrivate *priv;
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priv = group->priv = pika_tool_widget_group_get_instance_private (group);
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priv->children = g_object_new (PIKA_TYPE_LIST,
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"children-type", PIKA_TYPE_TOOL_WIDGET,
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"append", TRUE,
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NULL);
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g_signal_connect (priv->children, "add",
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G_CALLBACK (pika_tool_widget_group_children_add),
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group);
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g_signal_connect (priv->children, "remove",
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G_CALLBACK (pika_tool_widget_group_children_remove),
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group);
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g_signal_connect (priv->children, "reorder",
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G_CALLBACK (pika_tool_widget_group_children_reorder),
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group);
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pika_container_add_handler (priv->children, "changed",
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G_CALLBACK (pika_tool_widget_group_child_changed),
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group);
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pika_container_add_handler (priv->children, "response",
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G_CALLBACK (pika_tool_widget_group_child_response),
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group);
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pika_container_add_handler (priv->children, "snap-offsets",
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G_CALLBACK (pika_tool_widget_group_child_snap_offsets),
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group);
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pika_container_add_handler (priv->children, "status",
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G_CALLBACK (pika_tool_widget_group_child_status),
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group);
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pika_container_add_handler (priv->children, "status-coords",
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G_CALLBACK (pika_tool_widget_group_child_status_coords),
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group);
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pika_container_add_handler (priv->children, "message",
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G_CALLBACK (pika_tool_widget_group_child_message),
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group);
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pika_container_add_handler (priv->children, "focus-changed",
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G_CALLBACK (pika_tool_widget_group_child_focus_changed),
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group);
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}
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static void
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pika_tool_widget_group_finalize (GObject *object)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (object);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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g_clear_object (&priv->children);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gint
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pika_tool_widget_group_button_press (PikaToolWidget *widget,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaButtonPressType press_type)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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pika_tool_widget_group_hover (widget, coords, state, TRUE);
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if (priv->focus_widget != priv->hover_widget)
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{
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if (priv->hover_widget)
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pika_tool_widget_set_focus (priv->hover_widget, TRUE);
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else if (priv->focus_widget)
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pika_tool_widget_set_focus (priv->focus_widget, FALSE);
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}
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if (priv->hover_widget)
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{
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if (priv->auto_raise)
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{
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pika_container_reorder (priv->children,
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PIKA_OBJECT (priv->hover_widget), -1);
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}
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return pika_tool_widget_button_press (priv->hover_widget,
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coords, time, state, press_type);
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}
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return FALSE;
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}
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static void
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pika_tool_widget_group_focus_changed (PikaToolWidget *widget)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->focus_widget)
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{
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PikaToolWidget *focus_widget = priv->focus_widget;
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pika_tool_widget_set_focus (priv->focus_widget,
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pika_tool_widget_get_focus (widget));
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priv->focus_widget = focus_widget;
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}
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}
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static void
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pika_tool_widget_group_button_release (PikaToolWidget *widget,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaButtonReleaseType release_type)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->hover_widget)
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{
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pika_tool_widget_button_release (priv->hover_widget,
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coords, time, state, release_type);
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}
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}
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static void
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pika_tool_widget_group_motion (PikaToolWidget *widget,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->hover_widget)
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pika_tool_widget_motion (priv->hover_widget, coords, time, state);
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}
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static PikaHit
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pika_tool_widget_group_hit (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaHit hit;
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pika_tool_widget_group_get_hover_widget (group,
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coords, state, proximity,
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&hit);
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return hit;
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}
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static void
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pika_tool_widget_group_hover (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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PikaToolWidget *hover_widget;
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hover_widget =
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pika_tool_widget_group_get_hover_widget (group,
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coords, state, proximity,
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NULL);
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if (priv->hover_widget && priv->hover_widget != hover_widget)
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pika_tool_widget_leave_notify (priv->hover_widget);
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priv->hover_widget = hover_widget;
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if (priv->hover_widget)
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pika_tool_widget_hover (priv->hover_widget, coords, state, proximity);
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}
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static void
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pika_tool_widget_group_leave_notify (PikaToolWidget *widget)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->hover_widget)
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{
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pika_tool_widget_leave_notify (priv->hover_widget);
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priv->hover_widget = NULL;
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}
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PIKA_TOOL_WIDGET_CLASS (parent_class)->leave_notify (widget);
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}
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static gboolean
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pika_tool_widget_group_key_press (PikaToolWidget *widget,
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GdkEventKey *kevent)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->focus_widget)
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return pika_tool_widget_key_press (priv->focus_widget, kevent);
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return PIKA_TOOL_WIDGET_CLASS (parent_class)->key_press (widget, kevent);
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}
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static gboolean
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pika_tool_widget_group_key_release (PikaToolWidget *widget,
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GdkEventKey *kevent)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->focus_widget)
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return pika_tool_widget_key_release (priv->focus_widget, kevent);
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return FALSE;
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}
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static void
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pika_tool_widget_group_motion_modifier (PikaToolWidget *widget,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->hover_widget)
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pika_tool_widget_motion_modifier (priv->hover_widget, key, press, state);
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}
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static void
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pika_tool_widget_group_hover_modifier (PikaToolWidget *widget,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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GList *iter;
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for (iter = g_queue_peek_head_link (PIKA_LIST (priv->children)->queue);
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iter;
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iter = g_list_next (iter))
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{
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pika_tool_widget_hover_modifier (iter->data, key, press, state);
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}
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}
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static gboolean
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pika_tool_widget_group_get_cursor (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaCursorType *cursor,
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PikaToolCursorType *tool_cursor,
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PikaCursorModifier *modifier)
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{
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PikaToolWidgetGroup *group = PIKA_TOOL_WIDGET_GROUP (widget);
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PikaToolWidgetGroupPrivate *priv = group->priv;
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if (priv->hover_widget)
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{
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return pika_tool_widget_get_cursor (priv->hover_widget,
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coords, state,
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cursor, tool_cursor, modifier);
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}
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return FALSE;
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}
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static void
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pika_tool_widget_group_children_add (PikaContainer *container,
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PikaToolWidget *child,
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PikaToolWidgetGroup *group)
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{
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PikaToolWidgetGroupPrivate *priv = group->priv;
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PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
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PikaCanvasGroup *canvas_group;
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canvas_group = PIKA_CANVAS_GROUP (pika_tool_widget_get_item (widget));
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pika_canvas_group_add_item (canvas_group,
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pika_tool_widget_get_item (child));
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if (pika_tool_widget_get_focus (child) && priv->focus_widget)
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{
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pika_tool_widget_set_focus (priv->focus_widget, FALSE);
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priv->focus_widget = NULL;
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}
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if (! priv->focus_widget)
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{
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priv->focus_widget = child;
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pika_tool_widget_set_focus (child, pika_tool_widget_get_focus (widget));
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}
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pika_tool_widget_changed (widget);
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}
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static void
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pika_tool_widget_group_children_remove (PikaContainer *container,
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PikaToolWidget *child,
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PikaToolWidgetGroup *group)
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{
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PikaToolWidgetGroupPrivate *priv = group->priv;
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PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
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PikaCanvasGroup *canvas_group;
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canvas_group = PIKA_CANVAS_GROUP (pika_tool_widget_get_item (widget));
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if (priv->focus_widget == child)
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{
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pika_tool_widget_set_focus (child, FALSE);
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priv->focus_widget = NULL;
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}
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if (priv->hover_widget == child)
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{
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pika_tool_widget_leave_notify (child);
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priv->hover_widget = NULL;
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}
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if (! priv->focus_widget)
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{
|
|
priv->focus_widget =
|
|
PIKA_TOOL_WIDGET (pika_container_get_last_child (container));
|
|
|
|
if (priv->focus_widget)
|
|
pika_tool_widget_set_focus (priv->focus_widget, TRUE);
|
|
}
|
|
|
|
pika_canvas_group_remove_item (canvas_group,
|
|
pika_tool_widget_get_item (child));
|
|
|
|
pika_tool_widget_changed (widget);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_children_reorder (PikaContainer *container,
|
|
PikaToolWidget *child,
|
|
gint new_index,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
PikaCanvasGroup *canvas_group;
|
|
GList *iter;
|
|
|
|
canvas_group = PIKA_CANVAS_GROUP (pika_tool_widget_get_item (widget));
|
|
|
|
for (iter = g_queue_peek_head_link (PIKA_LIST (container)->queue);
|
|
iter;
|
|
iter = g_list_next (iter))
|
|
{
|
|
PikaCanvasItem *item = pika_tool_widget_get_item (iter->data);
|
|
|
|
pika_canvas_group_remove_item (canvas_group, item);
|
|
pika_canvas_group_add_item (canvas_group, item);
|
|
}
|
|
|
|
pika_tool_widget_changed (widget);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_changed (PikaToolWidget *child,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
pika_tool_widget_changed (widget);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_response (PikaToolWidget *child,
|
|
gint response_id,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
if (priv->focus_widget == child)
|
|
pika_tool_widget_response (widget, response_id);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_snap_offsets (PikaToolWidget *child,
|
|
gint offset_x,
|
|
gint offset_y,
|
|
gint width,
|
|
gint height,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
if (priv->hover_widget == child)
|
|
{
|
|
pika_tool_widget_set_snap_offsets (widget,
|
|
offset_x, offset_y, width, height);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_status (PikaToolWidget *child,
|
|
const gchar *status,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
if (priv->hover_widget == child)
|
|
pika_tool_widget_set_status (widget, status);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_status_coords (PikaToolWidget *child,
|
|
const gchar *title,
|
|
gdouble x,
|
|
const gchar *separator,
|
|
gdouble y,
|
|
const gchar *help,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
if (priv->hover_widget == child)
|
|
pika_tool_widget_set_status_coords (widget, title, x, separator, y, help);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_message (PikaToolWidget *child,
|
|
const gchar *message,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
if (priv->focus_widget == child)
|
|
pika_tool_widget_message_literal (widget, message);
|
|
}
|
|
|
|
static void
|
|
pika_tool_widget_group_child_focus_changed (PikaToolWidget *child,
|
|
PikaToolWidgetGroup *group)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *widget = PIKA_TOOL_WIDGET (group);
|
|
|
|
if (pika_tool_widget_get_focus (child))
|
|
{
|
|
if (priv->focus_widget && priv->focus_widget != child)
|
|
pika_tool_widget_set_focus (priv->focus_widget, FALSE);
|
|
|
|
priv->focus_widget = child;
|
|
|
|
pika_tool_widget_set_focus (widget, TRUE);
|
|
}
|
|
else
|
|
{
|
|
if (priv->focus_widget == child)
|
|
priv->focus_widget = NULL;
|
|
}
|
|
}
|
|
|
|
static PikaToolWidget *
|
|
pika_tool_widget_group_get_hover_widget (PikaToolWidgetGroup *group,
|
|
const PikaCoords *coords,
|
|
GdkModifierType state,
|
|
gboolean proximity,
|
|
PikaHit *hit)
|
|
{
|
|
PikaToolWidgetGroupPrivate *priv = group->priv;
|
|
PikaToolWidget *indirect_child = NULL;
|
|
gboolean indirect = FALSE;
|
|
GList *iter;
|
|
|
|
for (iter = g_queue_peek_tail_link (PIKA_LIST (priv->children)->queue);
|
|
iter;
|
|
iter = g_list_previous (iter))
|
|
{
|
|
PikaToolWidget *child = iter->data;
|
|
|
|
switch (pika_tool_widget_hit (child, coords, state, proximity))
|
|
{
|
|
case PIKA_HIT_DIRECT:
|
|
if (hit) *hit = PIKA_HIT_DIRECT;
|
|
|
|
return child;
|
|
|
|
case PIKA_HIT_INDIRECT:
|
|
if (! indirect || child == priv->focus_widget)
|
|
indirect_child = child;
|
|
else if (indirect_child != priv->focus_widget)
|
|
indirect_child = NULL;
|
|
|
|
indirect = TRUE;
|
|
|
|
break;
|
|
|
|
case PIKA_HIT_NONE:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (hit) *hit = indirect_child ? PIKA_HIT_INDIRECT : PIKA_HIT_NONE;
|
|
|
|
return indirect_child;
|
|
}
|
|
|
|
|
|
/* public functions */
|
|
|
|
|
|
PikaToolWidget *
|
|
pika_tool_widget_group_new (PikaDisplayShell *shell)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_DISPLAY_SHELL (shell), NULL);
|
|
|
|
return g_object_new (PIKA_TYPE_TOOL_WIDGET_GROUP,
|
|
"shell", shell,
|
|
NULL);
|
|
}
|
|
|
|
PikaContainer *
|
|
pika_tool_widget_group_get_children (PikaToolWidgetGroup *group)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_TOOL_WIDGET_GROUP (group), NULL);
|
|
|
|
return group->priv->children;
|
|
}
|
|
|
|
PikaToolWidget *
|
|
pika_tool_widget_group_get_focus_widget (PikaToolWidgetGroup *group)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_TOOL_WIDGET_GROUP (group), NULL);
|
|
|
|
return group->priv->focus_widget;
|
|
}
|
|
|
|
void
|
|
pika_tool_widget_group_set_auto_raise (PikaToolWidgetGroup *group,
|
|
gboolean auto_raise)
|
|
{
|
|
g_return_if_fail (PIKA_IS_TOOL_WIDGET_GROUP (group));
|
|
|
|
group->priv->auto_raise = auto_raise;
|
|
}
|
|
|
|
gboolean
|
|
pika_tool_widget_group_get_auto_raise (PikaToolWidgetGroup *group)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_TOOL_WIDGET_GROUP (group), FALSE);
|
|
|
|
return group->priv->auto_raise;
|
|
}
|
|
|
