diff options
Diffstat (limited to 'plug-ins/imagemap/imap_cmd_move.c')
| -rw-r--r-- | plug-ins/imagemap/imap_cmd_move.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/plug-ins/imagemap/imap_cmd_move.c b/plug-ins/imagemap/imap_cmd_move.c new file mode 100644 index 0000000..491b12d --- /dev/null +++ b/plug-ins/imagemap/imap_cmd_move.c @@ -0,0 +1,166 @@ +/* + * This is a plug-in for GIMP. + * + * Generates clickable image maps. + * + * Copyright (C) 1998-2003 Maurits Rijk lpeek.mrijk@consunet.nl + * + * 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 3 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, see <https://www.gnu.org/licenses/>. + * + */ + +#include "config.h" + +#include <gtk/gtk.h> + +#include "libgimp/gimp.h" + +#include "imap_commands.h" +#include "imap_main.h" + +#include "libgimp/stdplugins-intl.h" + +static void move_command_destruct(Command_t *parent); +static CmdExecuteValue_t move_command_execute(Command_t *parent); + +static CommandClass_t move_command_class = { + move_command_destruct, + move_command_execute, + NULL, /* move_command_undo */ + NULL /* move_command_redo */ +}; + +typedef struct { + Command_t parent; + PreferencesData_t *preferences; + Preview_t *preview; + Object_t *obj; + gint start_x; + gint start_y; + gint obj_start_x; + gint obj_start_y; + gint obj_x; + gint obj_y; + gint obj_width; + gint obj_height; + + gint image_width; + gint image_height; + + GdkCursorType cursor; /* Remember previous cursor */ + gboolean moved_first_time; +} MoveCommand_t; + +Command_t* +move_command_new(Preview_t *preview, Object_t *obj, gint x, gint y) +{ + MoveCommand_t *command = g_new(MoveCommand_t, 1); + + command->preferences = get_preferences(); + command->preview = preview; + command->obj = object_ref(obj); + command->start_x = x; + command->start_y = y; + object_get_dimensions(obj, &command->obj_x, &command->obj_y, + &command->obj_width, &command->obj_height); + command->obj_start_x = command->obj_x; + command->obj_start_y = command->obj_y; + + command->image_width = get_image_width(); + command->image_height = get_image_height(); + + command->moved_first_time = TRUE; + + return command_init(&command->parent, _("Move"), &move_command_class); +} + +static void +move_command_destruct(Command_t *parent) +{ + MoveCommand_t *command = (MoveCommand_t*) parent; + object_unref(command->obj); +} + +static void +button_motion(GtkWidget *widget, GdkEventMotion *event, gpointer data) +{ + MoveCommand_t *command = (MoveCommand_t*) data; + Object_t *obj = command->obj; + gint dx = get_real_coord((gint) event->x) - command->start_x; + gint dy = get_real_coord((gint) event->y) - command->start_y; + + if (command->moved_first_time) { + command->moved_first_time = FALSE; + command->cursor = preview_set_cursor(command->preview, GDK_FLEUR); + hide_url(); + } + + if (command->obj_x + dx < 0) + dx = -command->obj_x; + if (command->obj_x + command->obj_width + dx > command->image_width) + dx = command->image_width - command->obj_width - command->obj_x; + if (command->obj_y + dy < 0) + dy = -command->obj_y; + if (command->obj_y + command->obj_height + dy > command->image_height) + dy = command->image_height - command->obj_height - command->obj_y; + + if (dx || dy) { + + command->start_x = get_real_coord((gint) event->x); + command->start_y = get_real_coord((gint) event->y); + command->obj_x += dx; + command->obj_y += dy; + + object_move(obj, dx, dy); + + preview_redraw (); + } +} + +static void +button_release(GtkWidget *widget, GdkEventButton *event, gpointer data) +{ + MoveCommand_t *command = (MoveCommand_t*) data; + + g_signal_handlers_disconnect_by_func (widget, + button_motion, data); + g_signal_handlers_disconnect_by_func (widget, + button_release, data); + + if (!command->moved_first_time) { + preview_set_cursor(command->preview, command->cursor); + show_url(); + } + command->obj_x -= command->obj_start_x; + command->obj_y -= command->obj_start_y; + if (command->obj_x || command->obj_y) + command_list_add(object_move_command_new(command->obj, command->obj_x, + command->obj_y)); + + /* preview_thaw(); */ +} + +static CmdExecuteValue_t +move_command_execute(Command_t *parent) +{ + MoveCommand_t *command = (MoveCommand_t*) parent; + GtkWidget *widget = command->preview->preview; + + /* preview_freeze(); */ + g_signal_connect(widget, "button-release-event", + G_CALLBACK (button_release), command); + g_signal_connect(widget, "motion-notify-event", + G_CALLBACK (button_motion), command); + return CMD_DESTRUCT; +} |