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b74d25698187dc947d46805cbe1e7681ebc752aa
gimp/app/tools.c
Michael Natterer b74d256981 changed the "parent context" implementation: 
1999-10-19  Michael Natterer  <mitch@gimp.org>

	* gimpcontext.[ch]: changed the "parent context" implementation:

	- Automatically connect/disconnect the "*_changed" signals when
	  changing the parent and when setting the "defined" flag of the
	  attributes.
	- Store the former *_defined booleans in a single guint32.
	- Added generic functions to set the "defined" flags of the
	  attributes and to copy attributes between contexts.

	The contexts now correctly handle disappearing images and
	displays, so we don't have to explicitly reset them any more.

	* context_manager.[ch]: adopted to the changed context
	implementation, connect to the user context's "tool_changed"
	signal to switch the per-tool contexts, don't connect to the
	"removed" signal of the image context.

	* brush_select.c
	* tool_options.c: use LayerModeEffects instead of int when calling
	gimp_context_set_paint_mode().

	* gdisplay.c: no need to reset the active display when deleting it
	because the context connects to the "destroy" signal of the shell
	now.

	* menus.c: a shortcut for the navigation window. Moved
	<Image>/Image/Colors/Desaturate before the separator.

	* tools.c: tools_select(): set the active tool of the user context
	instead of calling a special context manager function.
1999-10-19 15:52:32 +00:00

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include "appenv.h"
#include "airbrush.h"
#include "bezier_select.h"
#include "blend.h"
#include "brightness_contrast.h"
#include "bucket_fill.h"
#include "by_color_select.h"
#include "clone.h"
#include "color_balance.h"
#include "color_picker.h"
#include "context_manager.h"
#include "convolve.h"
#include "crop.h"
#include "curves.h"
#include "devices.h"
#include "dodgeburn.h"
#include "eraser.h"
#include "gdisplay.h"
#include "gimpui.h"
#include "hue_saturation.h"
#include "ellipse_select.h"
#include "flip_tool.h"
#include "free_select.h"
#include "fuzzy_select.h"
#include "histogram_tool.h"
#include "ink.h"
#include "iscissors.h"
#include "levels.h"
#include "magnify.h"
#include "measure.h"
#include "move.h"
#include "paintbrush.h"
#include "path_tool.h"
#include "pencil.h"
#include "posterize.h"
#include "rect_select.h"
#include "session.h"
#include "smudge.h"
#include "xinput_airbrush.h"
#include "text_tool.h"
#include "threshold.h"
#include "tools.h"
#include "transform_tool.h"
#include "dialog_handler.h"
#include "config.h"
#include "libgimp/gimpintl.h"
#include "pixmaps2.h"
/* Global Data */
Tool * active_tool = NULL;
/* Local Data */
static GtkWidget *options_shell = NULL;
static GtkWidget *options_vbox = NULL;
static GtkWidget *options_label = NULL;
static GtkWidget *options_reset_button = NULL;
static gint global_tool_ID = 0;
ToolInfo tool_info[] =
{
{
NULL,
N_("Rect Select"),
0,
N_("/Tools/Rect Select"),
"R",
(char **) rect_bits,
N_("Select rectangular regions"),
"rect_select",
RECT_SELECT,
tools_new_rect_select,
tools_free_rect_select,
NULL
},
{
NULL,
N_("Ellipse Select"),
1,
N_("/Tools/Ellipse Select"),
"E",
(char **) circ_bits,
N_("Select elliptical regions"),
"ellipse_select",
ELLIPSE_SELECT,
tools_new_ellipse_select,
tools_free_ellipse_select,
NULL
},
{
NULL,
N_("Free Select"),
2,
N_("/Tools/Free Select"),
"F",
(char **) free_bits,
N_("Select hand-drawn regions"),
"free_select",
FREE_SELECT,
tools_new_free_select,
tools_free_free_select,
NULL
},
{
NULL,
N_("Fuzzy Select"),
3,
N_("/Tools/Fuzzy Select"),
"Z",
(char **) fuzzy_bits,
N_("Select contiguous regions"),
"fuzzy_select",
FUZZY_SELECT,
tools_new_fuzzy_select,
tools_free_fuzzy_select,
NULL
},
{
NULL,
N_("Bezier Select"),
4,
N_("/Tools/Bezier Select"),
"B",
(char **) bezier_bits,
N_("Select regions using Bezier curves"),
"bezier_select",
BEZIER_SELECT,
tools_new_bezier_select,
tools_free_bezier_select,
NULL
},
{
NULL,
N_("Intelligent Scissors"),
5,
N_("/Tools/Intelligent Scissors"),
"I",
(char **) iscissors_bits,
N_("Select shapes from image"),
"intelligent_scissors",
ISCISSORS,
tools_new_iscissors,
tools_free_iscissors,
NULL
},
{
NULL,
N_("Move"),
6,
N_("/Tools/Move"),
"M",
(char **) move_bits,
N_("Move layers & selections"),
"move",
MOVE,
tools_new_move_tool,
tools_free_move_tool,
NULL
},
{
NULL,
N_("Magnify"),
7,
N_("/Tools/Magnify"),
"<shift>M",
(char **) magnify_bits,
N_("Zoom in & out"),
"magnify",
MAGNIFY,
tools_new_magnify,
tools_free_magnify,
NULL
},
{
NULL,
N_("Crop & Resize"),
8,
N_("/Tools/Crop & Resize"),
"<shift>C",
(char **) crop_bits,
N_("Crop or resize the image"),
"crop",
CROP,
tools_new_crop,
tools_free_crop,
NULL
},
{
NULL,
N_("Transform"),
9,
N_("/Tools/Transform"),
"<shift>T",
(char **) scale_bits,
N_("Transform the layer or selection"),
"transform",
ROTATE,
tools_new_transform_tool,
tools_free_transform_tool,
NULL
}, /* rotate */
{
NULL,
N_("Transform"),
9,
NULL,
NULL,
NULL,
NULL,
"transform",
SCALE,
tools_new_transform_tool,
tools_free_transform_tool,
NULL
}, /* scale */
{
NULL,
N_("Transform"),
9,
NULL,
NULL,
NULL,
NULL,
"transform",
SHEAR,
tools_new_transform_tool,
tools_free_transform_tool,
NULL
}, /* shear */
{
NULL,
N_("Transform"),
9,
NULL,
NULL,
NULL,
NULL,
"transform",
PERSPECTIVE,
tools_new_transform_tool,
tools_free_transform_tool,
NULL
}, /* perspective */
{
NULL,
N_("Flip"),
10,
N_("/Tools/Flip"),
"<shift>F",
(char **) flip_bits,
N_("Flip the layer or selection"),
"flip",
FLIP,
tools_new_flip,
tools_free_flip_tool,
NULL
},
{
NULL,
N_("Text"),
11,
N_("/Tools/Text"),
"T",
(char **) text_bits,
N_("Add text to the image"),
"text",
TEXT,
tools_new_text,
tools_free_text,
NULL,
},
{
NULL,
N_("Color Picker"),
12,
N_("/Tools/Color Picker"),
"O",
(char **) colorpicker_bits,
N_("Pick colors from the image"),
"color_picker",
COLOR_PICKER,
tools_new_color_picker,
tools_free_color_picker,
NULL
},
{
NULL,
N_("Bucket Fill"),
13,
N_("/Tools/Bucket Fill"),
"<shift>B",
(char **) fill_bits,
N_("Fill with a color or pattern"),
"bucket_fill",
BUCKET_FILL,
tools_new_bucket_fill,
tools_free_bucket_fill,
NULL
},
{
NULL,
N_("Blend"),
14,
N_("/Tools/Blend"),
"L",
(char **) gradient_bits,
N_("Fill with a color gradient"),
"blend",
BLEND,
tools_new_blend,
tools_free_blend,
NULL
},
{
NULL,
N_("Pencil"),
15,
N_("/Tools/Pencil"),
"<shift>P",
(char **) pencil_bits,
N_("Draw sharp pencil strokes"),
"pencil",
PENCIL,
tools_new_pencil,
tools_free_pencil,
NULL
},
{
NULL,
N_("Paintbrush"),
16,
N_("/Tools/Paintbrush"),
"P",
(char **) paint_bits,
N_("Paint fuzzy brush strokes"),
"paintbrush",
PAINTBRUSH,
tools_new_paintbrush,
tools_free_paintbrush,
NULL
},
{
NULL,
N_("Eraser"),
17,
N_("/Tools/Eraser"),
"<shift>E",
(char **) erase_bits,
N_("Erase to background or transparency"),
"eraser",
ERASER,
tools_new_eraser,
tools_free_eraser,
NULL
},
{
NULL,
N_("Airbrush"),
18,
N_("/Tools/Airbrush"),
"A",
(char **) airbrush_bits,
N_("Airbrush with variable pressure"),
"airbrush",
AIRBRUSH,
tools_new_airbrush,
tools_free_airbrush,
NULL
},
{
NULL,
N_("Clone"),
19,
N_("/Tools/Clone"),
"C",
(char **) clone_bits,
N_("Paint using patterns or image regions"),
"clone",
CLONE,
tools_new_clone,
tools_free_clone,
NULL
},
{
NULL,
N_("Convolve"),
20,
N_("/Tools/Convolve"),
"V",
(char **) blur_bits,
N_("Blur or sharpen"),
"convolve",
CONVOLVE,
tools_new_convolve,
tools_free_convolve,
NULL
},
{
NULL,
N_("Ink"),
21,
N_("/Tools/Ink"),
"K",
(char **) ink_bits,
N_("Draw in ink"),
"ink",
INK,
tools_new_ink,
tools_free_ink,
NULL
},
{
NULL,
N_("Dodge or Burn"),
22,
N_("/Tools/DodgeBurn"),
"<shift>D",
(char **) dodge_bits,
N_("Dodge or Burn"),
"dodgeburn",
DODGEBURN,
tools_new_dodgeburn,
tools_free_dodgeburn,
NULL
},
{
NULL,
N_("Smudge"),
23,
N_("/Tools/Smudge"),
"<shift>S",
(char **) smudge_bits,
N_("Smudge"),
"smudge",
SMUDGE,
tools_new_smudge,
tools_free_smudge,
NULL
},
{
NULL,
N_("Measure"),
24,
N_("/Tools/Measure"),
"",
(char **) measure_bits,
N_("Measure distances and angles"),
"measure",
MEASURE,
tools_new_measure_tool,
tools_free_measure_tool,
NULL
},
{
NULL,
N_("Xinput Airbrush"),
25,
N_("/Tools/XinputAirbrush"),
"<shift>A",
(char **) xinput_airbrush_bits,
N_("Natural Airbrush"),
"xinput_airbrush",
XINPUT_AIRBRUSH,
tools_new_xinput_airbrush,
tools_free_xinput_airbrush,
NULL
},
{
NULL,
N_("Path"),
26,
N_("/Tools/Path"),
"",
(char **) path_tool_bits,
N_("Manipulate paths"),
"path",
PATH_TOOL,
tools_new_path_tool,
tools_free_path_tool,
NULL
},
/* Non-toolbox tools */
{
NULL,
N_("By Color Select"),
27,
N_("/Select/By Color..."),
NULL,
NULL,
NULL,
"by_color_select",
BY_COLOR_SELECT,
tools_new_by_color_select,
tools_free_by_color_select,
by_color_select_initialize
},
{
NULL,
N_("Color Balance"),
28,
N_("/Image/Colors/Color Balance"),
NULL,
NULL,
NULL,
"color_balance",
COLOR_BALANCE,
tools_new_color_balance,
tools_free_color_balance,
color_balance_initialize
},
{
NULL,
N_("Brightness-Contrast"),
29,
N_("/Image/Colors/Brightness-Contrast"),
NULL,
NULL,
NULL,
"brightness_contrast",
BRIGHTNESS_CONTRAST,
tools_new_brightness_contrast,
tools_free_brightness_contrast,
brightness_contrast_initialize
},
{
NULL,
N_("Hue-Saturation"),
30,
N_("/Image/Colors/Hue-Saturation"),
NULL,
NULL,
NULL,
"hue_saturation",
HUE_SATURATION,
tools_new_hue_saturation,
tools_free_hue_saturation,
hue_saturation_initialize
},
{
NULL,
N_("Posterize"),
31,
N_("/Image/Colors/Posterize"),
NULL,
NULL,
NULL,
"posterize",
POSTERIZE,
tools_new_posterize,
tools_free_posterize,
posterize_initialize
},
{
NULL,
N_("Threshold"),
32,
N_("/Image/Colors/Threshold"),
NULL,
NULL,
NULL,
"threshold",
THRESHOLD,
tools_new_threshold,
tools_free_threshold,
threshold_initialize
},
{
NULL,
N_("Curves"),
33,
N_("/Image/Colors/Curves"),
NULL,
NULL,
NULL,
"curves",
CURVES,
tools_new_curves,
tools_free_curves,
curves_initialize
},
{
NULL,
N_("Levels"),
34,
N_("/Image/Colors/Levels"),
NULL,
NULL,
NULL,
"levels",
LEVELS,
tools_new_levels,
tools_free_levels,
levels_initialize
},
{
NULL,
N_("Histogram"),
35,
N_("/Image/Histogram"),
NULL,
NULL,
NULL,
"histogram",
HISTOGRAM,
tools_new_histogram_tool,
tools_free_histogram_tool,
histogram_tool_initialize
}
};
gint num_tools = sizeof (tool_info) / sizeof (tool_info[0]);
/* Local function declarations */
static void tools_options_show (ToolType);
static void tools_options_hide (ToolType);
static void tools_options_reset_callback (GtkWidget *, gpointer);
static void tools_options_close_callback (GtkWidget *, gpointer);
/* Function definitions */
static void
active_tool_free (void)
{
if (!active_tool)
return;
tools_options_hide (active_tool->type);
(* tool_info[(int) active_tool->type].free_func) (active_tool);
g_free (active_tool);
active_tool = NULL;
}
void
tools_select (ToolType tool_type)
{
/* Care for switching to the tool's private context _before_ actually
* switching the tool itself (the context manager needs to know the
* old tool)
*/
gimp_context_set_tool (gimp_context_get_user (), tool_type);
if (active_tool)
active_tool_free ();
active_tool = (* tool_info[(int) tool_type].new_func) ();
tools_options_show (active_tool->type);
/* Update the device-information dialog */
device_status_update (current_device);
}
void
tools_initialize (ToolType tool_type,
GDisplay *gdisp)
{
/* Tools which have an init function have dialogs and
* cannot be initialized without a display
*/
if (tool_info[(int) tool_type].init_func && !gdisp)
tool_type = RECT_SELECT;
/* Activate the appropriate widget.
* Implicitly calls tools_select()
*/
if (active_tool->type == tool_type)
{
tools_select (tool_type);
}
else
{
gtk_widget_activate (tool_info[tool_type].tool_widget);
}
if (tool_info[(int) tool_type].init_func)
{
(* tool_info[(int) tool_type].init_func) (gdisp);
active_tool->drawable = gimage_active_drawable (gdisp->gimage);
}
/* don't set gdisp_ptr here! (see commands.c) */
}
void
tools_options_dialog_show ()
{
if (!GTK_WIDGET_VISIBLE (options_shell))
{
gtk_widget_show (options_shell);
}
else
{
gdk_window_raise (options_shell->window);
}
}
void
active_tool_control (ToolAction action,
void *gdisp_ptr)
{
if (active_tool)
{
if (active_tool->gdisp_ptr == gdisp_ptr)
{
switch (action)
{
case PAUSE :
if (active_tool->state == ACTIVE)
{
if (! active_tool->paused_count)
{
active_tool->state = PAUSED;
(* active_tool->control_func) (active_tool, action, gdisp_ptr);
}
}
active_tool->paused_count++;
break;
case RESUME :
active_tool->paused_count--;
if (active_tool->state == PAUSED)
{
if (! active_tool->paused_count)
{
active_tool->state = ACTIVE;
(* active_tool->control_func) (active_tool, action, gdisp_ptr);
}
}
break;
case HALT :
active_tool->state = INACTIVE;
(* active_tool->control_func) (active_tool, action, gdisp_ptr);
break;
case DESTROY :
active_tool_free ();
gtk_widget_hide (options_shell);
break;
default:
break;
}
}
else if (action == HALT)
{
active_tool->state = INACTIVE;
}
}
}
/* standard member functions */
static void
standard_button_press_func (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
GDisplay *gdisp;
gdisp = gdisp_ptr;
tool->gdisp_ptr = gdisp;
tool->drawable = gimage_active_drawable (gdisp->gimage);
}
static void
standard_button_release_func (Tool *tool,
GdkEventButton *bevent,
gpointer gdisp_ptr)
{
}
static void
standard_motion_func (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr)
{
}
static void
standard_arrow_keys_func (Tool *tool,
GdkEventKey *kevent,
gpointer gdisp_ptr)
{
}
static void
standard_modifier_key_func (Tool *tool,
GdkEventKey *kevent,
gpointer gdisp_ptr)
{
}
static void
standard_cursor_update_func (Tool *tool,
GdkEventMotion *mevent,
gpointer gdisp_ptr)
{
GDisplay *gdisp;
gdisp = (GDisplay *) gdisp_ptr;
gdisplay_install_tool_cursor (gdisp, GDK_TOP_LEFT_ARROW);
}
static void
standard_control_func (Tool *tool,
ToolAction action,
gpointer gdisp_ptr)
{
}
/* Create a default tool structure
*
* TODO: objectifying the tools will remove lots of code duplication
*/
Tool *
tools_new_tool (ToolType tool_type)
{
Tool *tool;
tool = g_new (Tool, 1);
tool->type = tool_type;
tool->ID = global_tool_ID++;
tool->state = INACTIVE;
tool->paused_count = 0;
tool->scroll_lock = FALSE; /* Allow scrolling */
tool->auto_snap_to = TRUE; /* Snap to guides */
tool->preserve = TRUE; /* Preserve tool across drawable changes */
tool->gdisp_ptr = NULL;
tool->drawable = NULL;
tool->private = NULL;
tool->button_press_func = standard_button_press_func;
tool->button_release_func = standard_button_release_func;
tool->motion_func = standard_motion_func;
tool->arrow_keys_func = standard_arrow_keys_func;
tool->modifier_key_func = standard_modifier_key_func;
tool->cursor_update_func = standard_cursor_update_func;
tool->control_func = standard_control_func;
return tool;
}
/* Tool options function */
void
tools_options_dialog_new ()
{
GtkWidget *frame;
GtkWidget *vbox;
/* The shell and main vbox */
options_shell =
gimp_dialog_new (_("Tool Options"), "tool_options",
tools_help_func, NULL,
GTK_WIN_POS_NONE,
FALSE, TRUE, TRUE,
_("Reset"), tools_options_reset_callback,
NULL, &options_reset_button, FALSE, FALSE,
_("Close"), tools_options_close_callback,
NULL, NULL, TRUE, TRUE,
NULL);
/* Register dialog */
dialog_register (options_shell);
session_set_window_geometry (options_shell, &tool_options_session_info,
FALSE );
/* The outer frame */
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (options_shell)->vbox), frame);
gtk_widget_show (frame);
/* The vbox containing the title frame and the options vbox */
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
/* The title frame */
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
options_label = gtk_label_new ("");
gtk_misc_set_padding (GTK_MISC (options_label), 1, 0);
gtk_container_add (GTK_CONTAINER (frame), options_label);
gtk_widget_show (options_label);
options_vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (options_vbox), 2);
gtk_box_pack_start (GTK_BOX (vbox), options_vbox, FALSE, FALSE, 0);
gtk_widget_show (options_vbox);
/* hide the separator between the dialog's vbox and the action area */
gtk_widget_hide (GTK_WIDGET (g_list_nth_data (gtk_container_children (GTK_CONTAINER (GTK_BIN (options_shell)->child)), 1)));
}
void
tools_options_dialog_free ()
{
session_get_window_info (options_shell, &tool_options_session_info);
gtk_widget_destroy (options_shell);
}
void
tools_help_func (gpointer help_data)
{
gchar *help_page;
help_page = g_strdup_printf ("tools/%s.html",
tool_info[(int) active_tool->type].private_tip);
gimp_help (help_page);
g_free (help_page);
}
void
tools_register (ToolType tool_type,
ToolOptions *tool_options)
{
g_return_if_fail (tool_options != NULL);
tool_info [(int) tool_type].tool_options = tool_options;
/* need to check whether the widget is visible...this can happen
* because some tools share options such as the transformation tools
*/
if (! GTK_WIDGET_VISIBLE (tool_options->main_vbox))
{
gtk_box_pack_start (GTK_BOX (options_vbox), tool_options->main_vbox,
TRUE, TRUE, 0);
gtk_widget_show (tool_options->main_vbox);
}
gtk_label_set_text (GTK_LABEL (options_label), _(tool_options->title));
}
static void
tools_options_show (ToolType tool_type)
{
if (tool_info[tool_type].tool_options->main_vbox)
gtk_widget_show (tool_info[tool_type].tool_options->main_vbox);
if (tool_info[tool_type].tool_options->title)
gtk_label_set_text (GTK_LABEL (options_label),
_(tool_info[tool_type].tool_options->title));
if (tool_info[tool_type].tool_options->reset_func)
gtk_widget_set_sensitive (options_reset_button, TRUE);
else
gtk_widget_set_sensitive (options_reset_button, FALSE);
}
static void
tools_options_hide (ToolType tool_type)
{
if (tool_info[tool_type].tool_options)
gtk_widget_hide (tool_info[tool_type].tool_options->main_vbox);
}
/* Tool options callbacks */
static void
tools_options_close_callback (GtkWidget *widget,
gpointer data)
{
GtkWidget *shell;
shell = (GtkWidget *) data;
gtk_widget_hide (shell);
}
static void
tools_options_reset_callback (GtkWidget *widget,
gpointer data)
{
GtkWidget *shell;
shell = (GtkWidget *) data;
if (! active_tool)
return;
if (tool_info[(int) active_tool->type].tool_options->reset_func)
(* tool_info[(int) active_tool->type].tool_options->reset_func) ();
}
guchar *
tool_active_PDB_string()
{
guchar *toolStr = "gimp_paintbrush_default";
/* Return the correct PDB function for the active tool */
/* The default is paintbrush if the tool is not recognised */
if(!active_tool)
return toolStr;
switch(active_tool->type)
{
case PENCIL:
toolStr = "gimp_pencil";
break;
case PAINTBRUSH:
toolStr = "gimp_paintbrush_default";
break;
case ERASER:
toolStr = "gimp_eraser_default";
break;
case AIRBRUSH:
toolStr = "gimp_airbrush_default";
break;
case CLONE:
toolStr = "gimp_clone_default";
break;
case CONVOLVE:
toolStr = "gimp_convolve_default";
break;
case SMUDGE:
toolStr = "gimp_smudge_default";
break;
case DODGEBURN:
toolStr = "gimp_dodgeburn_default";
break;
default:
toolStr = "gimp_paintbrush_default";
}
return toolStr;
}
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