334 lines
19 KiB
C
334 lines
19 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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* pikatoolwidget.h
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* Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
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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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#ifndef __PIKA_TOOL_WIDGET_H__
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#define __PIKA_TOOL_WIDGET_H__
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#include "core/pikaobject.h"
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#define PIKA_TOOL_WIDGET_RESPONSE_CONFIRM -1
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#define PIKA_TOOL_WIDGET_RESPONSE_CANCEL -2
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#define PIKA_TOOL_WIDGET_RESPONSE_RESET -3
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#define PIKA_TYPE_TOOL_WIDGET (pika_tool_widget_get_type ())
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#define PIKA_TOOL_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TOOL_WIDGET, PikaToolWidget))
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#define PIKA_TOOL_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TOOL_WIDGET, PikaToolWidgetClass))
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#define PIKA_IS_TOOL_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TOOL_WIDGET))
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#define PIKA_IS_TOOL_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TOOL_WIDGET))
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#define PIKA_TOOL_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TOOL_WIDGET, PikaToolWidgetClass))
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typedef struct _PikaToolWidgetPrivate PikaToolWidgetPrivate;
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typedef struct _PikaToolWidgetClass PikaToolWidgetClass;
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struct _PikaToolWidget
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{
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PikaObject parent_instance;
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PikaToolWidgetPrivate *private;
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};
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struct _PikaToolWidgetClass
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{
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PikaObjectClass parent_class;
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/* signals */
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void (* changed) (PikaToolWidget *widget);
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void (* response) (PikaToolWidget *widget,
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gint response_id);
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void (* snap_offsets) (PikaToolWidget *widget,
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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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void (* status) (PikaToolWidget *widget,
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const gchar *status);
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void (* status_coords) (PikaToolWidget *widget,
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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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void (* message) (PikaToolWidget *widget,
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const gchar *message);
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void (* focus_changed) (PikaToolWidget *widget);
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/* virtual functions */
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gint (* 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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void (* 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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void (* 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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PikaHit (* 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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void (* 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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void (* leave_notify) (PikaToolWidget *widget);
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gboolean (* key_press) (PikaToolWidget *widget,
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GdkEventKey *kevent);
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gboolean (* key_release) (PikaToolWidget *widget,
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GdkEventKey *kevent);
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void (* 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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void (* 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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gboolean (* 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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PikaUIManager *
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(* get_popup) (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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const gchar **ui_path);
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gboolean update_on_scale;
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gboolean update_on_scroll;
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gboolean update_on_rotate;
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};
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GType pika_tool_widget_get_type (void) G_GNUC_CONST;
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PikaDisplayShell * pika_tool_widget_get_shell (PikaToolWidget *widget);
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PikaCanvasItem * pika_tool_widget_get_item (PikaToolWidget *widget);
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void pika_tool_widget_set_visible (PikaToolWidget *widget,
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gboolean visible);
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gboolean pika_tool_widget_get_visible (PikaToolWidget *widget);
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void pika_tool_widget_set_focus (PikaToolWidget *widget,
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gboolean focus);
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gboolean pika_tool_widget_get_focus (PikaToolWidget *widget);
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/* for subclasses, to notify the handling tool
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*/
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void pika_tool_widget_changed (PikaToolWidget *widget);
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void pika_tool_widget_response (PikaToolWidget *widget,
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gint response_id);
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void pika_tool_widget_set_snap_offsets (PikaToolWidget *widget,
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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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void pika_tool_widget_get_snap_offsets (PikaToolWidget *widget,
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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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void pika_tool_widget_set_status (PikaToolWidget *widget,
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const gchar *status);
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void pika_tool_widget_set_status_coords (PikaToolWidget *widget,
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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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void pika_tool_widget_message (PikaToolWidget *widget,
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const gchar *format,
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...) G_GNUC_PRINTF (2, 3);
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void pika_tool_widget_message_literal (PikaToolWidget *widget,
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const gchar *message);
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/* for subclasses, to add and manage their items
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*/
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void pika_tool_widget_add_item (PikaToolWidget *widget,
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PikaCanvasItem *item);
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void pika_tool_widget_remove_item (PikaToolWidget *widget,
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PikaCanvasItem *item);
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PikaCanvasGroup * pika_tool_widget_add_group (PikaToolWidget *widget);
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PikaCanvasGroup * pika_tool_widget_add_stroke_group (PikaToolWidget *widget);
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PikaCanvasGroup * pika_tool_widget_add_fill_group (PikaToolWidget *widget);
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void pika_tool_widget_push_group (PikaToolWidget *widget,
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PikaCanvasGroup *group);
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void pika_tool_widget_pop_group (PikaToolWidget *widget);
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/* for subclasses, convenience functions to add specific items
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*/
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PikaCanvasItem * pika_tool_widget_add_line (PikaToolWidget *widget,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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PikaCanvasItem * pika_tool_widget_add_rectangle (PikaToolWidget *widget,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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gboolean filled);
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PikaCanvasItem * pika_tool_widget_add_arc (PikaToolWidget *widget,
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gdouble center_x,
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gdouble center_y,
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gdouble radius_x,
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gdouble radius_y,
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gdouble start_angle,
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gdouble slice_angle,
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gboolean filled);
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PikaCanvasItem * pika_tool_widget_add_limit (PikaToolWidget *widget,
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PikaLimitType type,
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gdouble x,
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gdouble y,
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gdouble radius,
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gdouble aspect_ratio,
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gdouble angle,
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gboolean dashed);
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PikaCanvasItem * pika_tool_widget_add_polygon (PikaToolWidget *widget,
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PikaMatrix3 *transform,
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const PikaVector2 *points,
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gint n_points,
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gboolean filled);
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PikaCanvasItem * pika_tool_widget_add_polygon_from_coords
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(PikaToolWidget *widget,
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PikaMatrix3 *transform,
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const PikaCoords *points,
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gint n_points,
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gboolean filled);
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PikaCanvasItem * pika_tool_widget_add_path (PikaToolWidget *widget,
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const PikaBezierDesc *desc);
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PikaCanvasItem * pika_tool_widget_add_handle (PikaToolWidget *widget,
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PikaHandleType type,
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gdouble x,
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gdouble y,
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gint width,
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gint height,
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PikaHandleAnchor anchor);
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PikaCanvasItem * pika_tool_widget_add_corner (PikaToolWidget *widget,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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PikaHandleAnchor anchor,
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gint corner_width,
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gint corner_height,
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gboolean outside);
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PikaCanvasItem * pika_tool_widget_add_rectangle_guides
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(PikaToolWidget *widget,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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PikaGuidesType type);
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PikaCanvasItem * pika_tool_widget_add_transform_guides
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(PikaToolWidget *widget,
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const PikaMatrix3 *transform,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2,
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PikaGuidesType type,
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gint n_guides,
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gboolean clip);
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/* for tools, to be called from the respective PikaTool method
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* implementations
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*/
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gint pika_tool_widget_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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void pika_tool_widget_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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void pika_tool_widget_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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PikaHit pika_tool_widget_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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void pika_tool_widget_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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void pika_tool_widget_leave_notify (PikaToolWidget *widget);
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gboolean pika_tool_widget_key_press (PikaToolWidget *widget,
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GdkEventKey *kevent);
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gboolean pika_tool_widget_key_release (PikaToolWidget *widget,
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GdkEventKey *kevent);
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void pika_tool_widget_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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void pika_tool_widget_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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gboolean pika_tool_widget_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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PikaUIManager *
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pika_tool_widget_get_popup (PikaToolWidget *widget,
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const PikaCoords *coords,
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GdkModifierType state,
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const gchar **ui_path);
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#endif /* __PIKA_TOOL_WIDGET_H__ */
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