mirror of https://github.com/GNOME/gimp.git
151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/*
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* This is a plug-in for GIMP.
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*
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* Generates clickable image maps.
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*
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* Copyright (C) 1998-2003 Maurits Rijk lpeek.mrijk@consunet.nl
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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 <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "imap_commands.h"
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#include "imap_main.h"
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#include "libgimp/stdplugins-intl.h"
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static void move_sash_command_destruct(Command_t *command);
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static CmdExecuteValue_t move_sash_command_execute(Command_t *command);
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static void move_sash_command_redo(Command_t *command);
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static CommandClass_t move_sash_command_class = {
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move_sash_command_destruct,
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move_sash_command_execute,
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NULL /*undo*/,
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move_sash_command_redo
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};
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typedef struct {
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Command_t parent;
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GtkWidget *widget;
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Object_t *obj;
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gint x;
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gint y;
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gint image_width;
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gint image_height;
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MoveSashFunc_t sash_func;
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} MoveSashCommand_t;
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Command_t*
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move_sash_command_new(GtkWidget *widget, Object_t *obj,
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gint x, gint y, MoveSashFunc_t sash_func)
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{
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MoveSashCommand_t *command = g_new(MoveSashCommand_t, 1);
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Command_t *parent;
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command->widget = widget;
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command->obj = object_ref(obj);
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command->x = x;
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command->y = y;
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command->image_width = get_image_width();
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command->image_height = get_image_height();
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command->sash_func = sash_func;
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parent = command_init(&command->parent, _("Move Sash"),
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&move_sash_command_class);
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command_add_subcommand(parent, edit_object_command_new(obj));
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return parent;
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}
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static void
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move_sash_command_destruct(Command_t *parent)
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{
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MoveSashCommand_t *command = (MoveSashCommand_t*) parent;
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object_unref(command->obj);
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}
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static void
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sash_move(GtkWidget *widget, GdkEventMotion *event, gpointer data)
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{
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MoveSashCommand_t *command = (MoveSashCommand_t*) data;
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Object_t *obj = command->obj;
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gint x, y, dx, dy;
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x = get_real_coord((gint) event->x);
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y = get_real_coord((gint) event->y);
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if (x < 0)
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x = 0;
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if (x > command->image_width)
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x = command->image_width;
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if (y < 0)
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y = 0;
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if (y > command->image_height)
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y = command->image_height;
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dx = x - command->x;
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dy = y - command->y;
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command->x = x;
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command->y = y;
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command->sash_func(obj, dx, dy);
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object_emit_geometry_signal(obj);
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preview_redraw ();
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}
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static void
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sash_end(GtkWidget *widget, GdkEventButton *event, gpointer data)
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{
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MoveSashCommand_t *command = (MoveSashCommand_t*) data;
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Object_t *obj = command->obj;
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g_signal_handlers_disconnect_by_func(widget,
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sash_move, data);
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g_signal_handlers_disconnect_by_func(widget,
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sash_end, data);
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if (obj->class->normalize)
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object_normalize(obj);
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preview_unset_tmp_obj(command->obj);
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preview_redraw();
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show_url();
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}
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static CmdExecuteValue_t
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move_sash_command_execute(Command_t *parent)
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{
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MoveSashCommand_t *command = (MoveSashCommand_t*) parent;
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hide_url();
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g_signal_connect(command->widget, "button-release-event",
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G_CALLBACK (sash_end), command);
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g_signal_connect(command->widget, "motion-notify-event",
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G_CALLBACK (sash_move), command);
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preview_set_tmp_obj(command->obj);
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return CMD_APPEND;
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}
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static void move_sash_command_redo(Command_t *command)
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{
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/* do nothing, but avoid running execute again which will break event handling */
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}
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