305 lines
17 KiB
C
305 lines
17 KiB
C
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/* 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) 1995-2002 Spencer Kimball, Peter Mattis, and others
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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_H__
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#define __PIKA_TOOL_H__
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#include "core/pikaobject.h"
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#define PIKA_TYPE_TOOL (pika_tool_get_type ())
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#define PIKA_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TOOL, PikaTool))
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#define PIKA_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TOOL, PikaToolClass))
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#define PIKA_IS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TOOL))
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#define PIKA_IS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TOOL))
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#define PIKA_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TOOL, PikaToolClass))
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#define PIKA_TOOL_GET_OPTIONS(t) (pika_tool_get_options (PIKA_TOOL (t)))
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typedef struct _PikaToolClass PikaToolClass;
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struct _PikaTool
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{
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PikaObject parent_instance;
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PikaToolInfo *tool_info;
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gchar *label;
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gchar *undo_desc;
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gchar *icon_name;
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gchar *help_id;
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gint ID; /* unique tool ID */
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PikaToolControl *control;
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PikaDisplay *display; /* pointer to currently active display */
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GList *drawables; /* list of the tool's current drawables */
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/* private state of pika_tool_set_focus_display() and
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* pika_tool_set_[active_]modifier_state()
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*/
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PikaDisplay *focus_display;
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GdkModifierType modifier_state;
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GdkModifierType button_press_state;
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GdkModifierType active_modifier_state;
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/* private state for synthesizing button_release() events
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*/
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PikaCoords last_pointer_coords;
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guint32 last_pointer_time;
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GdkModifierType last_pointer_state;
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/* private state for click detection
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*/
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gboolean in_click_distance;
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gboolean got_motion_event;
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PikaCoords button_press_coords;
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guint32 button_press_time;
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/* private list of displays which have a status message from this tool
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*/
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GList *status_displays;
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/* on-canvas progress */
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PikaCanvasItem *progress;
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PikaDisplay *progress_display;
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GtkWidget *progress_grab_widget;
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gboolean progress_cancelable;
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};
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struct _PikaToolClass
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{
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PikaObjectClass parent_class;
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/* virtual functions */
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gboolean (* has_display) (PikaTool *tool,
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PikaDisplay *display);
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PikaDisplay * (* has_image) (PikaTool *tool,
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PikaImage *image);
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gboolean (* initialize) (PikaTool *tool,
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PikaDisplay *display,
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GError **error);
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void (* control) (PikaTool *tool,
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PikaToolAction action,
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PikaDisplay *display);
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void (* button_press) (PikaTool *tool,
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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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PikaDisplay *display);
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void (* button_release) (PikaTool *tool,
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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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PikaDisplay *display);
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void (* motion) (PikaTool *tool,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaDisplay *display);
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gboolean (* key_press) (PikaTool *tool,
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GdkEventKey *kevent,
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PikaDisplay *display);
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gboolean (* key_release) (PikaTool *tool,
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GdkEventKey *kevent,
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PikaDisplay *display);
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void (* modifier_key) (PikaTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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PikaDisplay *display);
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void (* active_modifier_key) (PikaTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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PikaDisplay *display);
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void (* oper_update) (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display);
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void (* cursor_update) (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display);
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const gchar * (* can_undo) (PikaTool *tool,
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PikaDisplay *display);
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const gchar * (* can_redo) (PikaTool *tool,
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PikaDisplay *display);
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gboolean (* undo) (PikaTool *tool,
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PikaDisplay *display);
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gboolean (* redo) (PikaTool *tool,
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PikaDisplay *display);
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PikaUIManager * (* get_popup) (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display,
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const gchar **ui_path);
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void (* options_notify) (PikaTool *tool,
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PikaToolOptions *options,
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const GParamSpec *pspec);
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};
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GType pika_tool_get_type (void) G_GNUC_CONST;
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PikaToolOptions * pika_tool_get_options (PikaTool *tool);
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void pika_tool_set_label (PikaTool *tool,
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const gchar *label);
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const gchar * pika_tool_get_label (PikaTool *tool);
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void pika_tool_set_undo_desc (PikaTool *tool,
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const gchar *undo_desc);
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const gchar * pika_tool_get_undo_desc (PikaTool *tool);
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void pika_tool_set_icon_name (PikaTool *tool,
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const gchar *icon_name);
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const gchar * pika_tool_get_icon_name (PikaTool *tool);
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void pika_tool_set_help_id (PikaTool *tool,
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const gchar *help_id);
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const gchar * pika_tool_get_help_id (PikaTool *tool);
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gboolean pika_tool_has_display (PikaTool *tool,
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PikaDisplay *display);
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PikaDisplay * pika_tool_has_image (PikaTool *tool,
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PikaImage *image);
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gboolean pika_tool_initialize (PikaTool *tool,
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PikaDisplay *display);
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void pika_tool_control (PikaTool *tool,
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PikaToolAction action,
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PikaDisplay *display);
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void pika_tool_button_press (PikaTool *tool,
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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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PikaDisplay *display);
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void pika_tool_button_release (PikaTool *tool,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaDisplay *display);
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void pika_tool_motion (PikaTool *tool,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaDisplay *display);
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gboolean pika_tool_key_press (PikaTool *tool,
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GdkEventKey *kevent,
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PikaDisplay *display);
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gboolean pika_tool_key_release (PikaTool *tool,
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GdkEventKey *kevent,
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PikaDisplay *display);
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void pika_tool_set_focus_display (PikaTool *tool,
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PikaDisplay *display);
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void pika_tool_set_modifier_state (PikaTool *tool,
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GdkModifierType state,
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PikaDisplay *display);
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void pika_tool_set_active_modifier_state (PikaTool *tool,
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GdkModifierType state,
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PikaDisplay *display);
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void pika_tool_oper_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display);
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void pika_tool_cursor_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display);
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const gchar * pika_tool_can_undo (PikaTool *tool,
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PikaDisplay *display);
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const gchar * pika_tool_can_redo (PikaTool *tool,
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PikaDisplay *display);
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gboolean pika_tool_undo (PikaTool *tool,
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PikaDisplay *display);
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gboolean pika_tool_redo (PikaTool *tool,
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PikaDisplay *display);
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PikaUIManager * pika_tool_get_popup (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display,
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const gchar **ui_path);
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void pika_tool_push_status (PikaTool *tool,
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PikaDisplay *display,
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const gchar *format,
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...) G_GNUC_PRINTF(3,4);
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void pika_tool_push_status_coords (PikaTool *tool,
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PikaDisplay *display,
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PikaCursorPrecision precision,
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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_push_status_length (PikaTool *tool,
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PikaDisplay *display,
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const gchar *title,
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PikaOrientationType axis,
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gdouble value,
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const gchar *help);
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void pika_tool_replace_status (PikaTool *tool,
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PikaDisplay *display,
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const gchar *format,
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...) G_GNUC_PRINTF(3,4);
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void pika_tool_pop_status (PikaTool *tool,
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PikaDisplay *display);
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void pika_tool_message (PikaTool *tool,
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PikaDisplay *display,
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const gchar *format,
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...) G_GNUC_PRINTF(3,4);
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void pika_tool_message_literal (PikaTool *tool,
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PikaDisplay *display,
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const gchar *message);
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void pika_tool_set_cursor (PikaTool *tool,
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PikaDisplay *display,
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PikaCursorType cursor,
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PikaToolCursorType tool_cursor,
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PikaCursorModifier modifier);
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#endif /* __PIKA_TOOL_H__ */
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