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gimp/app/tools/gimpimagemaptool.c

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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 "config.h"
#include <errno.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimpimage-pick-color.h"
#include "core/gimpimagemap.h"
#include "core/gimppickable.h"
#include "core/gimpprogress.h"
#include "core/gimpprojection.h"
#include "core/gimptoolinfo.h"
#include "widgets/gimptooldialog.h"
#include "widgets/gimpviewabledialog.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpdisplay.h"
#include "gimpcoloroptions.h"
#include "gimpimagemaptool.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
/* local function prototypes */
static void gimp_image_map_tool_finalize (GObject *object);
static gboolean gimp_image_map_tool_initialize (GimpTool *tool,
GimpDisplay *display);
static void gimp_image_map_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static gboolean gimp_image_map_tool_key_press (GimpTool *tool,
GdkEventKey *kevent,
GimpDisplay *display);
static gboolean gimp_image_map_tool_pick_color (GimpColorTool *color_tool,
gint x,
gint y,
GimpImageType *sample_type,
GimpRGB *color,
gint *color_index);
static void gimp_image_map_tool_map (GimpImageMapTool *im_tool);
static void gimp_image_map_tool_dialog (GimpImageMapTool *im_tool);
static void gimp_image_map_tool_reset (GimpImageMapTool *im_tool);
static void gimp_image_map_tool_flush (GimpImageMap *image_map,
GimpImageMapTool *im_tool);
static void gimp_image_map_tool_response (GtkWidget *widget,
gint response_id,
GimpImageMapTool *im_tool);
static void gimp_image_map_tool_load_clicked (GtkWidget *widget,
GimpImageMapTool *tool);
static void gimp_image_map_tool_load_ext_clicked (GtkWidget *widget,
GdkModifierType state,
GimpImageMapTool *tool);
static void gimp_image_map_tool_save_clicked (GtkWidget *widget,
GimpImageMapTool *tool);
static void gimp_image_map_tool_save_ext_clicked (GtkWidget *widget,
GdkModifierType state,
GimpImageMapTool *tool);
static void gimp_image_map_tool_settings_dialog (GimpImageMapTool *im_tool,
const gchar *title,
gboolean save);
static void gimp_image_map_tool_notify_preview (GObject *config,
GParamSpec *pspec,
GimpImageMapTool *im_tool);
G_DEFINE_TYPE (GimpImageMapTool, gimp_image_map_tool, GIMP_TYPE_COLOR_TOOL)
#define parent_class gimp_image_map_tool_parent_class
static void
gimp_image_map_tool_class_init (GimpImageMapToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpColorToolClass *color_tool_class = GIMP_COLOR_TOOL_CLASS (klass);
object_class->finalize = gimp_image_map_tool_finalize;
tool_class->initialize = gimp_image_map_tool_initialize;
tool_class->control = gimp_image_map_tool_control;
tool_class->key_press = gimp_image_map_tool_key_press;
color_tool_class->pick = gimp_image_map_tool_pick_color;
klass->shell_desc = NULL;
klass->settings_name = NULL;
klass->load_dialog_title = NULL;
klass->load_button_tip = NULL;
klass->save_dialog_title = NULL;
klass->save_button_tip = NULL;
klass->map = NULL;
klass->dialog = NULL;
klass->reset = NULL;
klass->settings_load = NULL;
klass->settings_save = NULL;
}
static void
gimp_image_map_tool_init (GimpImageMapTool *image_map_tool)
{
GimpTool *tool = GIMP_TOOL (image_map_tool);
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
gimp_tool_control_set_preserve (tool->control, FALSE);
gimp_tool_control_set_dirty_mask (tool->control,
GIMP_DIRTY_IMAGE |
GIMP_DIRTY_IMAGE_STRUCTURE |
GIMP_DIRTY_DRAWABLE |
GIMP_DIRTY_SELECTION);
image_map_tool->drawable = NULL;
image_map_tool->image_map = NULL;
image_map_tool->shell = NULL;
image_map_tool->main_vbox = NULL;
image_map_tool->load_button = NULL;
image_map_tool->save_button = NULL;
}
static void
gimp_image_map_tool_finalize (GObject *object)
{
GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (object);
if (image_map_tool->shell)
{
gtk_widget_destroy (image_map_tool->shell);
image_map_tool->shell = NULL;
image_map_tool->main_vbox = NULL;
image_map_tool->load_button = NULL;
image_map_tool->save_button = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
#define RESPONSE_RESET 1
static gboolean
gimp_image_map_tool_initialize (GimpTool *tool,
GimpDisplay *display)
{
GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);
GimpToolInfo *tool_info;
GimpDrawable *drawable;
tool_info = tool->tool_info;
/* set display so the dialog can be hidden on display destruction */
tool->display = display;
if (! image_map_tool->shell)
{
GimpImageMapToolClass *klass;
GtkWidget *shell;
GtkWidget *vbox;
GtkWidget *toggle;
const gchar *stock_id;
klass = GIMP_IMAGE_MAP_TOOL_GET_CLASS (image_map_tool);
stock_id = gimp_viewable_get_stock_id (GIMP_VIEWABLE (tool_info));
image_map_tool->shell = shell =
gimp_tool_dialog_new (tool_info,
display->shell,
klass->shell_desc,
GIMP_STOCK_RESET, RESPONSE_RESET,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (shell),
RESPONSE_RESET,
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect_object (shell, "response",
G_CALLBACK (gimp_image_map_tool_response),
G_OBJECT (image_map_tool), 0);
image_map_tool->main_vbox = vbox = gtk_vbox_new (FALSE, 6);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 6);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (shell)->vbox), vbox);
/* The preview toggle */
toggle = gimp_prop_check_button_new (G_OBJECT (tool_info->tool_options),
"preview",
_("_Preview"));
gtk_box_pack_end (GTK_BOX (image_map_tool->main_vbox), toggle,
FALSE, FALSE, 0);
gtk_widget_show (toggle);
g_signal_connect_object (tool_info->tool_options, "notify::preview",
G_CALLBACK (gimp_image_map_tool_notify_preview),
image_map_tool, 0);
if (klass->load_dialog_title)
{
image_map_tool->load_button =
g_object_new (GIMP_TYPE_BUTTON,
"label", GTK_STOCK_OPEN,
"use-stock", TRUE,
"use-underline", TRUE,
NULL);
g_signal_connect (image_map_tool->load_button, "clicked",
G_CALLBACK (gimp_image_map_tool_load_clicked),
image_map_tool);
g_signal_connect (image_map_tool->load_button, "extended-clicked",
G_CALLBACK (gimp_image_map_tool_load_ext_clicked),
image_map_tool);
if (klass->load_button_tip)
{
gchar *str = g_strdup_printf ("%s\n"
"(%s) %s",
klass->load_button_tip,
gimp_get_mod_string (GDK_SHIFT_MASK),
_("Quick Load"));
gimp_help_set_help_data (image_map_tool->load_button, str, NULL);
g_free (str);
}
}
if (klass->save_dialog_title)
{
image_map_tool->save_button =
g_object_new (GIMP_TYPE_BUTTON,
"label", GTK_STOCK_SAVE,
"use-stock", TRUE,
"use-underline", TRUE,
NULL);
g_signal_connect (image_map_tool->save_button, "clicked",
G_CALLBACK (gimp_image_map_tool_save_clicked),
image_map_tool);
g_signal_connect (image_map_tool->save_button, "extended-clicked",
G_CALLBACK (gimp_image_map_tool_save_ext_clicked),
image_map_tool);
if (klass->save_button_tip)
{
gchar *str = g_strdup_printf ("%s\n"
"(%s) %s",
klass->save_button_tip,
gimp_get_mod_string (GDK_SHIFT_MASK),
_("Quick Save"));
gimp_help_set_help_data (image_map_tool->save_button, str, NULL);
g_free (str);
}
}
/* Fill in subclass widgets */
gimp_image_map_tool_dialog (image_map_tool);
gtk_widget_show (vbox);
}
drawable = gimp_image_active_drawable (display->image);
gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (image_map_tool->shell),
GIMP_VIEWABLE (drawable),
GIMP_CONTEXT (tool_info->tool_options));
gtk_widget_show (image_map_tool->shell);
image_map_tool->drawable = drawable;
image_map_tool->image_map = gimp_image_map_new (drawable, tool_info->blurb);
g_signal_connect (image_map_tool->image_map, "flush",
G_CALLBACK (gimp_image_map_tool_flush),
image_map_tool);
return TRUE;
}
static void
gimp_image_map_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
case GIMP_TOOL_ACTION_RESUME:
break;
case GIMP_TOOL_ACTION_HALT:
if (image_map_tool->shell)
gtk_dialog_response (GTK_DIALOG (image_map_tool->shell),
GTK_RESPONSE_CANCEL);
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static gboolean
gimp_image_map_tool_key_press (GimpTool *tool,
GdkEventKey *kevent,
GimpDisplay *display)
{
GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);
if (display == tool->display)
{
switch (kevent->keyval)
{
case GDK_KP_Enter:
case GDK_Return:
gimp_image_map_tool_response (NULL, GTK_RESPONSE_OK, image_map_tool);
return TRUE;
case GDK_Delete:
case GDK_BackSpace:
gimp_image_map_tool_response (NULL, RESPONSE_RESET, image_map_tool);
return TRUE;
case GDK_Escape:
gimp_image_map_tool_response (NULL, GTK_RESPONSE_CANCEL, image_map_tool);
return TRUE;
}
}
return FALSE;
}
static gboolean
gimp_image_map_tool_pick_color (GimpColorTool *color_tool,
gint x,
gint y,
GimpImageType *sample_type,
GimpRGB *color,
gint *color_index)
{
GimpImageMapTool *tool = GIMP_IMAGE_MAP_TOOL (color_tool);
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (tool->drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
*sample_type = gimp_drawable_type (tool->drawable);
return gimp_pickable_pick_color (GIMP_PICKABLE (tool->image_map), x, y,
color_tool->options->sample_average,
color_tool->options->average_radius,
color, color_index);
}
static void
gimp_image_map_tool_map (GimpImageMapTool *tool)
{
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->map (tool);
}
static void
gimp_image_map_tool_dialog (GimpImageMapTool *tool)
{
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->dialog (tool);
}
static void
gimp_image_map_tool_reset (GimpImageMapTool *tool)
{
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->reset (tool);
}
static gboolean
gimp_image_map_tool_settings_load (GimpImageMapTool *tool,
gpointer file,
GError **error)
{
GimpImageMapToolClass *tool_class = GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool);
g_return_val_if_fail (tool_class->settings_load != NULL, FALSE);
if (tool_class->settings_load (tool, file, error))
{
gimp_image_map_tool_preview (tool);
return TRUE;
}
return FALSE;
}
static gboolean
gimp_image_map_tool_settings_save (GimpImageMapTool *tool,
gpointer file)
{
GimpImageMapToolClass *tool_class = GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool);
g_return_val_if_fail (tool_class->settings_save != NULL, FALSE);
return tool_class->settings_save (tool, file);
}
static void
gimp_image_map_tool_flush (GimpImageMap *image_map,
GimpImageMapTool *image_map_tool)
{
GimpTool *tool = GIMP_TOOL (image_map_tool);
gimp_projection_flush_now (tool->display->image->projection);
gimp_display_flush_now (tool->display);
}
static void
gimp_image_map_tool_response (GtkWidget *widget,
gint response_id,
GimpImageMapTool *image_map_tool)
{
GimpTool *tool = GIMP_TOOL (image_map_tool);
switch (response_id)
{
case RESPONSE_RESET:
gimp_image_map_tool_reset (image_map_tool);
gimp_image_map_tool_preview (image_map_tool);
break;
case GTK_RESPONSE_OK:
gtk_widget_hide (image_map_tool->shell);
if (image_map_tool->image_map)
{
GimpImageMapOptions *options;
options = GIMP_IMAGE_MAP_OPTIONS (tool->tool_info->tool_options);
gimp_tool_control_set_preserve (tool->control, TRUE);
if (! options->preview)
gimp_image_map_tool_map (image_map_tool);
gimp_image_map_commit (image_map_tool->image_map);
image_map_tool->image_map = NULL;
gimp_tool_control_set_preserve (tool->control, FALSE);
gimp_image_flush (tool->display->image);
}
tool->display = NULL;
tool->drawable = NULL;
break;
default:
gtk_widget_hide (image_map_tool->shell);
if (image_map_tool->image_map)
{
gimp_tool_control_set_preserve (tool->control, TRUE);
gimp_image_map_abort (image_map_tool->image_map);
image_map_tool->image_map = NULL;
gimp_tool_control_set_preserve (tool->control, FALSE);
gimp_image_flush (tool->display->image);
}
tool->display = NULL;
tool->drawable = NULL;
break;
}
}
static void
gimp_image_map_tool_notify_preview (GObject *config,
GParamSpec *pspec,
GimpImageMapTool *image_map_tool)
{
GimpTool *tool = GIMP_TOOL (image_map_tool);
GimpImageMapOptions *options = GIMP_IMAGE_MAP_OPTIONS (config);
if (options->preview)
{
gimp_tool_control_set_preserve (tool->control, TRUE);
gimp_image_map_tool_map (image_map_tool);
gimp_tool_control_set_preserve (tool->control, FALSE);
}
else
{
if (image_map_tool->image_map)
{
gimp_tool_control_set_preserve (tool->control, TRUE);
gimp_image_map_clear (image_map_tool->image_map);
gimp_tool_control_set_preserve (tool->control, FALSE);
gimp_image_flush (tool->display->image);
}
}
}
void
gimp_image_map_tool_preview (GimpImageMapTool *image_map_tool)
{
GimpTool *tool;
GimpImageMapOptions *options;
g_return_if_fail (GIMP_IS_IMAGE_MAP_TOOL (image_map_tool));
tool = GIMP_TOOL (image_map_tool);
options = GIMP_IMAGE_MAP_OPTIONS (tool->tool_info->tool_options);
if (options->preview)
{
gimp_tool_control_set_preserve (tool->control, TRUE);
gimp_image_map_tool_map (image_map_tool);
gimp_tool_control_set_preserve (tool->control, FALSE);
}
}
static void
gimp_image_map_tool_load_save (GimpImageMapTool *tool,
const gchar *filename,
gboolean save)
{
FILE *file;
GError *error = NULL;
file = g_fopen (filename, save ? "wt" : "rt");
if (! file)
{
const gchar *format = save ?
_("Could not open '%s' for writing: %s") :
_("Could not open '%s' for reading: %s");
gimp_show_message_dialog (tool->shell, GTK_MESSAGE_ERROR,
format,
gimp_filename_to_utf8 (filename),
g_strerror (errno));
return;
}
g_object_set (GIMP_TOOL (tool)->tool_info->tool_options,
"settings", filename,
NULL);
if (save)
{
gimp_image_map_tool_settings_save (tool, file);
}
else if (! gimp_image_map_tool_settings_load (tool, file, &error))
{
gimp_show_message_dialog (tool->shell, GTK_MESSAGE_ERROR,
_("Error reading '%s': %s"),
gimp_filename_to_utf8 (filename),
error->message);
g_error_free (error);
}
fclose (file);
}
static void
settings_dialog_response (GtkWidget *dialog,
gint response_id,
GimpImageMapTool *tool)
{
gboolean save;
save = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dialog), "save"));
if (response_id == GTK_RESPONSE_OK)
{
gchar *filename;
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
gimp_image_map_tool_load_save (tool, filename, save);
g_free (filename);
}
if (save)
gtk_widget_set_sensitive (tool->load_button, TRUE);
else
gtk_widget_set_sensitive (tool->save_button, TRUE);
gtk_widget_destroy (dialog);
}
static void
gimp_image_map_tool_load_clicked (GtkWidget *widget,
GimpImageMapTool *tool)
{
GimpImageMapToolClass *klass = GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool);
gimp_image_map_tool_settings_dialog (tool, klass->load_dialog_title, FALSE);
}
static void
gimp_image_map_tool_load_ext_clicked (GtkWidget *widget,
GdkModifierType state,
GimpImageMapTool *tool)
{
if (state & GDK_SHIFT_MASK)
{
gchar *filename;
g_object_get (GIMP_TOOL (tool)->tool_info->tool_options,
"settings", &filename,
NULL);
if (filename)
{
gimp_image_map_tool_load_save (tool, filename, FALSE);
g_free (filename);
}
else
{
gimp_image_map_tool_load_clicked (widget, tool);
}
}
}
static void
gimp_image_map_tool_save_clicked (GtkWidget *widget,
GimpImageMapTool *tool)
{
GimpImageMapToolClass *klass = GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool);
gimp_image_map_tool_settings_dialog (tool, klass->save_dialog_title, TRUE);
}
static void
gimp_image_map_tool_save_ext_clicked (GtkWidget *widget,
GdkModifierType state,
GimpImageMapTool *tool)
{
if (state & GDK_SHIFT_MASK)
{
gchar *filename;
g_object_get (GIMP_TOOL (tool)->tool_info->tool_options,
"settings", &filename,
NULL);
if (filename)
{
gimp_image_map_tool_load_save (tool, filename, TRUE);
g_free (filename);
}
else
{
gimp_image_map_tool_save_clicked (widget, tool);
}
}
}
static void
gimp_image_map_tool_settings_dialog (GimpImageMapTool *tool,
const gchar *title,
gboolean save)
{
GimpImageMapOptions *options;
GtkFileChooser *chooser;
const gchar *settings_name;
gchar *folder;
g_return_if_fail (GIMP_IS_IMAGE_MAP_TOOL (tool));
settings_name = GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name;
g_return_if_fail (settings_name != NULL);
if (tool->settings_dialog)
{
gtk_window_present (GTK_WINDOW (tool->settings_dialog));
return;
}
if (save)
gtk_widget_set_sensitive (tool->load_button, FALSE);
else
gtk_widget_set_sensitive (tool->save_button, FALSE);
tool->settings_dialog =
gtk_file_chooser_dialog_new (title, GTK_WINDOW (tool->shell),
save ?
GTK_FILE_CHOOSER_ACTION_SAVE :
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
save ? GTK_STOCK_SAVE : GTK_STOCK_OPEN,
GTK_RESPONSE_OK,
NULL);
chooser = GTK_FILE_CHOOSER (tool->settings_dialog);
g_object_set_data (G_OBJECT (chooser), "save", GINT_TO_POINTER (save));
gtk_window_set_role (GTK_WINDOW (chooser), "gimp-load-save-settings");
gtk_window_set_position (GTK_WINDOW (chooser), GTK_WIN_POS_MOUSE);
g_object_add_weak_pointer (G_OBJECT (chooser),
(gpointer) &tool->settings_dialog);
gtk_window_set_destroy_with_parent (GTK_WINDOW (chooser), TRUE);
g_signal_connect (chooser, "response",
G_CALLBACK (settings_dialog_response),
tool);
g_signal_connect (chooser, "delete-event",
G_CALLBACK (gtk_true),
NULL);
folder = g_build_filename (gimp_directory (), settings_name, NULL);
gtk_file_chooser_add_shortcut_folder (chooser, folder, NULL);
options = GIMP_IMAGE_MAP_OPTIONS (GIMP_TOOL (tool)->tool_info->tool_options);
if (options->settings)
gtk_file_chooser_set_filename (chooser, options->settings);
else
gtk_file_chooser_set_current_folder (chooser, folder);
g_free (folder);
gimp_help_connect (tool->settings_dialog, gimp_standard_help_func,
GIMP_TOOL (tool)->tool_info->help_id, NULL);
gtk_widget_show (tool->settings_dialog);
}
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