gimp/app/tools/gimptool.c

764 lines
16 KiB
C

/* 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 "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "apptypes.h"
#include "core/gimpimage.h"
#include "gdisplay.h"
#include "gimptool.h"
#include "tool_manager.h"
#include "libgimp/gimpintl.h"
enum
{
INITIALIZE,
CONTROL,
BUTTON_PRESS,
BUTTON_RELEASE,
MOTION,
ARROW_KEY,
MODIFIER_KEY,
CURSOR_UPDATE,
OPER_UPDATE,
LAST_SIGNAL
};
static void gimp_tool_class_init (GimpToolClass *klass);
static void gimp_tool_init (GimpTool *tool);
static void gimp_tool_destroy (GtkObject *destroy);
static void gimp_tool_real_initialize (GimpTool *tool,
GDisplay *gdisp);
static void gimp_tool_real_control (GimpTool *tool,
ToolAction tool_action,
GDisplay *gdisp);
static void gimp_tool_real_button_press (GimpTool *tool,
GdkEventButton *bevent,
GDisplay *gdisp);
static void gimp_tool_real_button_release (GimpTool *tool,
GdkEventButton *bevent,
GDisplay *gdisp);
static void gimp_tool_real_motion (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp);
static void gimp_tool_real_arrow_key (GimpTool *tool,
GdkEventKey *kevent,
GDisplay *gdisp);
static void gimp_tool_real_modifier_key (GimpTool *tool,
GdkEventKey *kevent,
GDisplay *gdisp);
static void gimp_tool_real_cursor_update (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp);
static void gimp_tool_real_oper_update (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp);
static guint gimp_tool_signals[LAST_SIGNAL] = { 0 };
static GimpObjectClass *parent_class = NULL;
static gint global_tool_ID = 0;
GtkType
gimp_tool_get_type (void)
{
static GtkType tool_type = 0;
if (! tool_type)
{
GtkTypeInfo tool_info =
{
"GimpTool",
sizeof (GimpTool),
sizeof (GimpToolClass),
(GtkClassInitFunc) gimp_tool_class_init,
(GtkObjectInitFunc) gimp_tool_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
tool_type = gtk_type_unique (GIMP_TYPE_OBJECT, &tool_info);
}
return tool_type;
}
static void
gimp_tool_class_init (GimpToolClass *klass)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) klass;
parent_class = gtk_type_class (GIMP_TYPE_OBJECT);
gimp_tool_signals[INITIALIZE] =
gtk_signal_new ("initialize",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
initialize),
gtk_marshal_NONE__POINTER,
GTK_TYPE_NONE, 1,
GTK_TYPE_POINTER);
gimp_tool_signals[CONTROL] =
gtk_signal_new ("control",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
control),
gtk_marshal_NONE__INT_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_INT,
GTK_TYPE_POINTER);
gimp_tool_signals[BUTTON_PRESS] =
gtk_signal_new ("button_press",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
button_press),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gimp_tool_signals[BUTTON_RELEASE] =
gtk_signal_new ("button_release",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
button_release),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gimp_tool_signals[MOTION] =
gtk_signal_new ("motion",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
motion),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gimp_tool_signals[ARROW_KEY] =
gtk_signal_new ("arrow_key",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
arrow_key),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gimp_tool_signals[MODIFIER_KEY] =
gtk_signal_new ("modifier_key",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
modifier_key),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gimp_tool_signals[CURSOR_UPDATE] =
gtk_signal_new ("cursor_update",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
cursor_update),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gimp_tool_signals[OPER_UPDATE] =
gtk_signal_new ("oper_update",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpToolClass,
oper_update),
gtk_marshal_NONE__POINTER_POINTER,
GTK_TYPE_NONE, 2,
GTK_TYPE_POINTER,
GTK_TYPE_POINTER);
gtk_object_class_add_signals (object_class, gimp_tool_signals, LAST_SIGNAL);
object_class->destroy = gimp_tool_destroy;
klass->initialize = gimp_tool_real_initialize;
klass->control = gimp_tool_real_control;
klass->button_press = gimp_tool_real_button_press;
klass->button_release = gimp_tool_real_button_release;
klass->motion = gimp_tool_real_motion;
klass->arrow_key = gimp_tool_real_arrow_key;
klass->modifier_key = gimp_tool_real_modifier_key;
klass->cursor_update = gimp_tool_real_cursor_update;
klass->oper_update = gimp_tool_real_oper_update;
}
static void
gimp_tool_init (GimpTool *tool)
{
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 = NULL;
tool->drawable = NULL;
tool->tool_cursor = GIMP_TOOL_CURSOR_NONE;
tool->toggle_cursor = GIMP_TOOL_CURSOR_NONE;
tool->toggled = FALSE;
}
static void
gimp_tool_destroy (GtkObject *object)
{
if (GTK_OBJECT_CLASS (parent_class)->destroy)
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
void
gimp_tool_initialize (GimpTool *tool,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[INITIALIZE],
gdisp);
}
void
gimp_tool_control (GimpTool *tool,
ToolAction action,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[CONTROL],
action, gdisp);
}
void
gimp_tool_button_press (GimpTool *tool,
GdkEventButton *bevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[BUTTON_PRESS],
bevent, gdisp);
}
void
gimp_tool_button_release (GimpTool *tool,
GdkEventButton *bevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[BUTTON_RELEASE],
bevent, gdisp);
}
void
gimp_tool_motion (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[MOTION],
mevent, gdisp);
}
void
gimp_tool_arrow_key (GimpTool *tool,
GdkEventKey *kevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[ARROW_KEY],
kevent, gdisp);
}
void
gimp_tool_modifier_key (GimpTool *tool,
GdkEventKey *kevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[MODIFIER_KEY],
kevent, gdisp);
}
void
gimp_tool_cursor_update (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[CURSOR_UPDATE],
mevent, gdisp);
}
void
gimp_tool_oper_update (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp)
{
g_return_if_fail (tool);
g_return_if_fail (GIMP_IS_TOOL (tool));
gtk_signal_emit (GTK_OBJECT (tool), gimp_tool_signals[OPER_UPDATE],
mevent, gdisp);
}
const gchar *
gimp_tool_get_PDB_string (GimpTool *tool)
{
GtkObject *object;
GimpToolClass *klass;
g_return_val_if_fail (tool, NULL);
g_return_val_if_fail (GIMP_IS_TOOL (tool), NULL);
object = GTK_OBJECT (tool);
klass = GIMP_TOOL_CLASS (object->klass);
return klass->pdb_string;
}
/* standard member functions */
static void
gimp_tool_real_initialize (GimpTool *tool,
GDisplay *gdisp)
{
}
static void
gimp_tool_real_control (GimpTool *tool,
ToolAction tool_action,
GDisplay *gdisp)
{
}
static void
gimp_tool_real_button_press (GimpTool *tool,
GdkEventButton *bevent,
GDisplay *gdisp)
{
tool->gdisp = gdisp;
tool->drawable = gimp_image_active_drawable (gdisp->gimage);
tool->state = ACTIVE;
}
static void
gimp_tool_real_button_release (GimpTool *tool,
GdkEventButton *bevent,
GDisplay *gdisp)
{
tool->state = INACTIVE;
}
static void
gimp_tool_real_motion (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp)
{
}
static void
gimp_tool_real_arrow_key (GimpTool *tool,
GdkEventKey *kevent,
GDisplay *gdisp)
{
}
static void
gimp_tool_real_modifier_key (GimpTool *tool,
GdkEventKey *kevent,
GDisplay *gdisp)
{
}
static void
gimp_tool_real_cursor_update (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp)
{
gdisplay_install_tool_cursor (gdisp,
GDK_TOP_LEFT_ARROW,
tool->tool_cursor,
GIMP_CURSOR_MODIFIER_NONE);
}
static void
gimp_tool_real_oper_update (GimpTool *tool,
GdkEventMotion *mevent,
GDisplay *gdisp)
{
}
/* Function definitions */
void
gimp_tool_help_func (const gchar *help_data)
{
gimp_standard_help_func (tool_manager_active_get_help_data());
}
#define STUB(x) void * x (void){g_message ("stub function %s called",#x); return NULL;}
STUB(by_color_select_initialize_by_image)
STUB(by_color_select)
STUB(clone_non_gui)
STUB(clone_non_gui_default)
STUB(convolve_non_gui)
STUB(convolve_non_gui_default)
STUB(curves_free)
STUB(hue_saturation_free)
STUB(levels_free)
STUB(curves_calculate_curve)
STUB(curves_lut_func)
STUB(color_balance_create_lookup_tables)
STUB(color_balance)
STUB(hue_saturation_calculate_transfers)
STUB(hue_saturation)
STUB(threshold_2)
STUB(color_balance_dialog_hide)
STUB(hue_saturation_dialog_hide)
STUB(brightness_contrast_dialog_hide)
STUB(threshold_dialog_hide)
STUB(levels_dialog_hide)
STUB(curves_dialog_hide)
STUB(posterize_dialog_hide)
STUB(histogram_tool_histogram_range)
#ifdef __GNUC__
#warning obsolete crap
#endif
#ifdef STONE_AGE
ToolInfo tool_info[] =
{
/* Non-toolbox tools */
{
NULL,
N_("By Color Select"),
N_("/Select/By Color..."),
NULL,
(char **) by_color_select_bits,
NULL,
NULL,
N_("Select regions by color"),
"tools/by_color_select.html",
BY_COLOR_SELECT,
tools_new_by_color_select,
tools_free_by_color_select,
by_color_select_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Color Balance"),
N_("/Image/Colors/Color Balance..."),
NULL,
(char **) adjustment_bits,
NULL,
NULL,
N_("Adjust color balance"),
"tools/color_balance.html",
COLOR_BALANCE,
tools_new_color_balance,
tools_free_color_balance,
color_balance_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Brightness-Contrast"),
N_("/Image/Colors/Brightness-Contrast..."),
NULL,
(char **) adjustment_bits,
NULL,
NULL,
N_("Adjust brightness and contrast"),
"tools/brightness_contrast.html",
BRIGHTNESS_CONTRAST,
tools_new_brightness_contrast,
tools_free_brightness_contrast,
brightness_contrast_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Hue-Saturation"),
N_("/Image/Colors/Hue-Saturation..."),
NULL,
(char **) adjustment_bits,
NULL,
NULL,
N_("Adjust hue and saturation"),
"tools/hue_saturation.html",
HUE_SATURATION,
tools_new_hue_saturation,
tools_free_hue_saturation,
hue_saturation_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Posterize"),
N_("/Image/Colors/Posterize..."),
NULL,
(char **) adjustment_bits,
NULL,
NULL,
N_("Reduce image to a fixed numer of colors"),
"tools/posterize.html",
POSTERIZE,
tools_new_posterize,
tools_free_posterize,
posterize_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Threshold"),
N_("/Image/Colors/Threshold..."),
NULL,
(char **) levels_bits,
NULL,
NULL,
N_("Reduce image to two colors using a threshold"),
"tools/threshold.html",
THRESHOLD,
tools_new_threshold,
tools_free_threshold,
threshold_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Curves"),
N_("/Image/Colors/Curves..."),
NULL,
(char **) curves_bits,
NULL,
NULL,
N_("Adjust color curves"),
"tools/curves.html",
CURVES,
tools_new_curves,
tools_free_curves,
curves_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Levels"),
N_("/Image/Colors/Levels..."),
NULL,
(char **) levels_bits,
NULL,
NULL,
N_("Adjust color levels"),
"tools/levels.html",
LEVELS,
tools_new_levels,
tools_free_levels,
levels_initialize,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
},
{
NULL,
N_("Histogram"),
N_("/Image/Histogram..."),
NULL,
(char **) histogram_bits,
NULL,
NULL,
N_("View image histogram"),
"tools/histogram.html",
HISTOGRAM,
tools_new_histogram_tool,
tools_free_histogram_tool,
histogram_tool_initialize ,
NULL,
NULL,
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
},
{
NULL, NULL,
0, 0,
0, 0, NULL, NULL, NULL
}
}
};
#endif