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f1b5e1ae47
1999-06-21 Michael Natterer <mitschel@cs.tu-berlin.de> * app/context_manager.c: namespace cleanups. * app/commands.[ch] * app/menus.c: moved the "Toggle Selection" menu entry to "View", sprinkled some separators and made the layers/channels/paths popup menus consistent with Tigert's last ops buttons change. * app/fileops.c * app/plug_in.c: check for gdisplay_active() returning NULL in some more places. * app/[all tool related files]: - Turned the ToolAction and ToolState #define's into typedef'ed enums, so the compiler can do some more sanity checking. - Removed one more unused global variable "active_tool_layer". - Removed some #include's from tools.c. - Standardized the individual tools' structure names. - Moved showing/hiding the tool options to separate functions. - Stuff... * app/commands.c * app/disp_callbacks.c * app/gdisplay.c * app/tools.c: fixed the segfaults which happened when the image of one of the tools which have dialogs (levels/posterize/...) was deleted. My approach was to do stricter sanity checking and to set some gdisplay pointers correctly where appropriate, so I can't tell exactly where the bug was. The curves tool now(??) updates on every _second_ display change only, which is really obscure. Finding/changing the display to operate on should definitely be done by connecting to the user context's "display_changed" signal. * app/gimpset.c: emit the "remove" signal _after_ removing the pointer from the set. If this was not a bug but a feature, please let me know, we'll need two signals then.
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __TOOLS_H__
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#define __TOOLS_H__
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#include "layerF.h"
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#include "gdisplayF.h"
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#include "tool_options.h"
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#include "toolsF.h"
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#include <gtk/gtk.h>
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/* The possible states for tools */
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typedef enum
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{
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INACTIVE,
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ACTIVE,
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PAUSED
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} ToolState;
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/* The possibilities for where the cursor lies */
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#define ACTIVE_LAYER (1 << 0)
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#define SELECTION (1 << 1)
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#define NON_ACTIVE_LAYER (1 << 2)
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/* The types of tools... */
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struct _Tool
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{
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/* Data */
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ToolType type; /* Tool type */
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ToolState state; /* state of tool activity */
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int paused_count; /* paused control count */
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int scroll_lock; /* allow scrolling or not */
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int auto_snap_to; /* should the mouse snap to guides automatically */
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void * private; /* Tool-specific information */
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void * gdisp_ptr; /* pointer to currently active gdisp */
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void * drawable; /* pointer to the drawable that was
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active when the tool was created */
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int ID; /* unique tool ID */
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int preserve; /* Preserve this tool through the current
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image changes */
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/* Action functions */
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ButtonPressFunc button_press_func;
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ButtonReleaseFunc button_release_func;
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MotionFunc motion_func;
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ArrowKeysFunc arrow_keys_func;
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ModifierKeyFunc modifier_key_func;
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CursorUpdateFunc cursor_update_func;
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ToolCtlFunc control_func;
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};
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struct _ToolInfo
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{
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ToolOptions *tool_options;
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char *tool_name;
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int toolbar_position;
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char *menu_path;
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char *menu_accel;
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char **icon_data;
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char *tool_desc;
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char *private_tip;
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gint tool_id;
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ToolInfoNewFunc new_func;
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ToolInfoFreeFunc free_func;
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ToolInfoInitFunc init_func;
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GtkWidget *tool_widget;
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};
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/* Global Data Structure */
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extern Tool * active_tool;
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extern ToolInfo tool_info[];
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/* Function declarations */
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void tools_select (ToolType tool_type);
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void tools_initialize (ToolType tool_type,
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GDisplay *gdisplay);
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void tools_options_dialog_new (void);
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void tools_options_dialog_show (void);
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void tools_options_dialog_free (void);
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void tools_register (ToolType tool_type,
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ToolOptions *tool_options);
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void active_tool_control (ToolAction action,
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void *gdisp_ptr);
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/* Standard member functions */
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void standard_arrow_keys_func (Tool *, GdkEventKey *, gpointer);
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void standard_modifier_key_func (Tool *, GdkEventKey *, gpointer);
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#endif /* __TOOLS_H__ */
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