gimp/plug-ins/imagemap/imap_selection.c

429 lines
13 KiB
C

/*
* This is a plug-in for the GIMP.
*
* Generates clickable image maps.
*
* Copyright (C) 1998-1999 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 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 <stdio.h>
#include "imap_cmd_edit_object.h"
#include "imap_cmd_select.h"
#include "imap_cmd_unselect.h"
#include "imap_cmd_unselect_all.h"
#include "imap_edit_area_info.h"
#include "libgimp/stdplugins-intl.h"
#include "imap_main.h"
#include "imap_misc.h"
#include "imap_selection.h"
#include "arrow_up.xpm"
#include "arrow_down.xpm"
#include "delete.xpm"
#include "edit.xpm"
static void
set_buttons(Selection_t *data)
{
if (data->selected_child) {
gtk_widget_set_sensitive(data->arrow_up,
(data->selected_row) ? TRUE : FALSE);
if (data->selected_row < GTK_CLIST(data->list)->rows - 1)
gtk_widget_set_sensitive(data->arrow_down, TRUE);
else
gtk_widget_set_sensitive(data->arrow_down, FALSE);
gtk_widget_set_sensitive(data->remove, TRUE);
gtk_widget_set_sensitive(data->edit, TRUE);
} else {
gtk_widget_set_sensitive(data->arrow_up, FALSE);
gtk_widget_set_sensitive(data->arrow_down, FALSE);
gtk_widget_set_sensitive(data->remove, FALSE);
gtk_widget_set_sensitive(data->edit, FALSE);
}
}
static void
select_row_cb(GtkWidget *widget, gint row, gint column, GdkEventButton *event,
Selection_t *data)
{
data->selected_child = widget;
data->selected_row = row;
set_buttons(data);
if (data->select_lock) {
data->select_lock = FALSE;
} else {
Object_t *obj = gtk_clist_get_row_data(GTK_CLIST(data->list), row);
Command_t *command;
/* Note: event can be NULL if select_row_cb is called as a result of
a key press! */
if (event && event->state & GDK_SHIFT_MASK) {
command = select_command_new(obj);
} else {
Command_t *sub_command;
command = subcommand_start(NULL);
sub_command = unselect_all_command_new(data->object_list, NULL);
command_add_subcommand(command, sub_command);
sub_command = select_command_new(obj);
command_add_subcommand(command, sub_command);
command_set_name(command, sub_command->name);
subcommand_end();
}
command_execute(command);
redraw_preview(); /* Fix me! */
}
}
static void
unselect_row_cb(GtkWidget *widget, gint row, gint column,
GdkEventButton *event, Selection_t *data)
{
if (data->unselect_lock) {
data->unselect_lock = FALSE;
} else {
Object_t *obj = gtk_clist_get_row_data(GTK_CLIST(data->list), row);
Command_t *command;
command = unselect_command_new(obj);
command_execute(command);
redraw_preview(); /* Fix me! */
}
data->selected_child = NULL;
set_buttons(data);
}
static void
row_move_cb(GtkWidget *widget, gint src, gint des)
{
printf("move: %d %d\n", src, des);
}
static gboolean doubleclick;
static void
button_press_cb(GtkWidget *widget, GdkEventButton *event, Selection_t *data)
{
if (event->button == 1) {
if (doubleclick) {
gint row, column;
doubleclick = FALSE;
if (gtk_clist_get_selection_info(GTK_CLIST(widget), (gint) event->x,
(gint) event->y, &row, &column)) {
Object_t *obj = gtk_clist_get_row_data(GTK_CLIST(data->list), row);
object_edit(obj, TRUE);
}
} else {
doubleclick = TRUE;
}
}
}
static void
button_release_cb(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
if (event->button == 1)
doubleclick = FALSE;
}
static void
selection_command(GtkWidget *widget, gpointer data)
{
CommandFactory_t *factory = (CommandFactory_t*) data;
Command_t *command = (*factory)();
command_execute(command);
}
static GtkWidget*
make_selection_toolbar(Selection_t *data, GtkWidget *window)
{
GtkWidget *toolbar;
toolbar = gtk_toolbar_new(GTK_ORIENTATION_VERTICAL, GTK_TOOLBAR_ICONS);
gtk_tooltips_set_colors(GTK_TOOLBAR(toolbar)->tooltips, get_yellow(),
&window->style->fg[GTK_STATE_NORMAL]);
gtk_container_set_border_width(GTK_CONTAINER(toolbar), 5);
gtk_toolbar_set_space_size(GTK_TOOLBAR(toolbar), 5);
data->arrow_up = make_toolbar_icon(toolbar, window, arrow_up_xpm, "MoveUp",
"Move up", selection_command,
&data->cmd_move_up);
data->arrow_down = make_toolbar_icon(toolbar, window, arrow_down_xpm,
"MoveDown", "Move down",
selection_command,
&data->cmd_move_down);
gtk_toolbar_append_space(GTK_TOOLBAR(toolbar));
data->edit = make_toolbar_icon(toolbar, window, edit_xpm, "Edit",
"Edit", selection_command,
&data->cmd_edit);
gtk_toolbar_append_space(GTK_TOOLBAR(toolbar));
data->remove = make_toolbar_icon(toolbar, window, delete_xpm, "Delete",
"Delete", selection_command,
&data->cmd_delete);
gtk_widget_show(toolbar);
return toolbar;
}
static void
selection_update(Selection_t *selection, gint row, Object_t *obj)
{
GdkBitmap *mask;
GdkPixmap *icon = object_get_icon(obj, selection->list, &mask);
gtk_clist_set_pixtext(GTK_CLIST(selection->list), row, 1, obj->url, 8,
icon, mask);
gtk_clist_set_text(GTK_CLIST(selection->list), row, 2, obj->target);
gtk_clist_set_text(GTK_CLIST(selection->list), row, 3, obj->comment);
}
static void
selection_renumber(Selection_t *selection, gint row)
{
for (; row < selection->nr_rows; row++) {
char scratch[16];
sprintf(scratch, "%d", row + 1);
gtk_clist_set_text(GTK_CLIST(selection->list), row, 0, scratch);
}
}
static void
selection_set_selected(Selection_t *selection, gint row)
{
Object_t *obj = gtk_clist_get_row_data(GTK_CLIST(selection->list), row);
if (obj->selected) {
selection->select_lock = TRUE;
gtk_clist_select_row(GTK_CLIST(selection->list), row, -1);
} else {
selection->unselect_lock = TRUE;
gtk_clist_unselect_row(GTK_CLIST(selection->list), row, -1);
}
}
static void
object_added_cb(Object_t *obj, gpointer data)
{
Selection_t *selection = (Selection_t*) data;
gint row = object_get_position_in_list(obj);
char scratch[16];
gchar *text[4];
selection->nr_rows++;
text[0] = scratch;
text[1] = obj->url;
text[2] = obj->target;
text[3] = obj->comment;
if (row < selection->nr_rows - 1) {
sprintf(scratch, "%d", row + 1);
gtk_clist_insert(GTK_CLIST(selection->list), row, text);
selection_renumber(selection, row);
} else {
sprintf(scratch, "%d", selection->nr_rows);
gtk_clist_append(GTK_CLIST(selection->list), text);
}
selection_update(selection, row, obj);
gtk_clist_set_row_data(GTK_CLIST(selection->list), row, (gpointer) obj);
selection_set_selected(selection, row);
}
static gint
selection_find_object(Selection_t *selection, Object_t *obj)
{
return gtk_clist_find_row_from_data(GTK_CLIST(selection->list),
(gpointer) obj);
}
static void
object_updated_cb(Object_t *obj, gpointer data)
{
Selection_t *selection = (Selection_t*) data;
gint row = selection_find_object(selection, obj);
selection_update(selection, row, obj);
}
static void
object_removed_cb(Object_t *obj, gpointer data)
{
Selection_t *selection = (Selection_t*) data;
gint row = selection_find_object(selection, obj);
selection->unselect_lock = TRUE;
gtk_clist_unselect_row(GTK_CLIST(selection->list), row, -1);
gtk_clist_remove(GTK_CLIST(selection->list), row);
selection_renumber(selection, row);
selection->selected_child = NULL;
selection->nr_rows--;
set_buttons(selection);
}
static void
object_selected_cb(Object_t *obj, gpointer data)
{
Selection_t *selection = (Selection_t*) data;
gint row = selection_find_object(selection, obj);
selection_set_selected(selection, row);
}
static void
object_moved_cb(Object_t *obj, gpointer data)
{
Selection_t *selection = (Selection_t*) data;
gint row = object_get_position_in_list(obj);
selection->select_lock = TRUE;
gtk_clist_set_row_data(GTK_CLIST(selection->list), row, (gpointer) obj);
selection_set_selected(selection, row);
selection_update(selection, row, obj);
}
static void
toggle_order(GtkWidget *widget, gint column, gpointer data)
{
/* Fix me! */
}
static GtkTargetEntry target_table[] = {
{"STRING", 0, 1 },
{"text/plain", 0, 2 }
};
static void
handle_drop(GtkWidget *widget, GdkDragContext *context, gint x, gint y,
GtkSelectionData *data, guint info, guint time)
{
gboolean success = FALSE;
if (data->length >= 0 && data->format == 8) {
gint row, column;
if (gtk_clist_get_selection_info(GTK_CLIST(widget), x, y, &row,
&column)) {
Object_t *obj = gtk_clist_get_row_data(GTK_CLIST(widget), row + 1);
if (!obj->locked) {
command_list_add(edit_object_command_new(obj));
object_set_url(obj, data->data);
object_emit_update_signal(obj);
success = TRUE;
}
}
}
gtk_drag_finish(context, success, FALSE, time);
}
Selection_t*
make_selection(GtkWidget *window, ObjectList_t *object_list)
{
Selection_t *data = g_new(Selection_t, 1);
GtkWidget *swin, *frame, *hbox;
GtkWidget *toolbar;
GtkWidget *list;
gchar *titles[] = {"#", N_("URL"), N_("Target"), N_("Comment")};
data->object_list = object_list;
data->selected_child = NULL;
data->is_visible = TRUE;
data->nr_rows = 0;
data->select_lock = FALSE;
data->unselect_lock = FALSE;
data->container = frame = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_widget_show(frame);
hbox = gtk_hbox_new(FALSE, 1);
gtk_container_add(GTK_CONTAINER(frame), hbox);
gtk_widget_show(hbox);
toolbar = make_selection_toolbar(data, window);
gtk_container_add(GTK_CONTAINER(hbox), toolbar);
/* Create selection */
frame = gtk_frame_new(_("Selection"));
gtk_container_set_border_width(GTK_CONTAINER(frame), 10);
gtk_container_add(GTK_CONTAINER(hbox), frame);
gtk_widget_show(frame);
data->list = list = gtk_clist_new_with_titles(4, titles);
GTK_WIDGET_UNSET_FLAGS(data->list, GTK_CAN_FOCUS);
gtk_clist_column_titles_passive(GTK_CLIST(list));
gtk_clist_column_title_active(GTK_CLIST(list), 0);
gtk_clist_set_column_width(GTK_CLIST(list), 0, 16);
gtk_clist_set_column_width(GTK_CLIST(list), 1, 80);
gtk_clist_set_column_width(GTK_CLIST(list), 2, 64);
gtk_clist_set_column_width(GTK_CLIST(list), 3, 64);
/* gtk_clist_set_reorderable(GTK_CLIST(list), TRUE); */
/* Create scrollable window */
swin = gtk_scrolled_window_new(NULL, NULL);
gtk_widget_set_usize(swin, 16 + 80 + 2 * 64 + 16, -1);
gtk_container_add(GTK_CONTAINER(frame), swin);
gtk_widget_show(swin);
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(swin), list);
gtk_widget_show(list);
/* Drop support */
gtk_drag_dest_set(list, GTK_DEST_DEFAULT_ALL, target_table,
2, GDK_ACTION_COPY);
gtk_signal_connect(GTK_OBJECT(list), "drag_data_received",
GTK_SIGNAL_FUNC(handle_drop), NULL);
/* Callbacks we are interested in */
gtk_signal_connect(GTK_OBJECT(list), "click_column",
GTK_SIGNAL_FUNC(toggle_order), data);
gtk_signal_connect(GTK_OBJECT(list), "select_row",
GTK_SIGNAL_FUNC(select_row_cb), data);
gtk_signal_connect(GTK_OBJECT(list), "unselect_row",
GTK_SIGNAL_FUNC(unselect_row_cb), data);
gtk_signal_connect(GTK_OBJECT(list), "row_move",
GTK_SIGNAL_FUNC(row_move_cb), data);
/* For handling doubleclick */
gtk_signal_connect(GTK_OBJECT(list), "button_press_event",
GTK_SIGNAL_FUNC(button_press_cb), data);
gtk_signal_connect(GTK_OBJECT(list), "button_release_event",
GTK_SIGNAL_FUNC(button_release_cb), data);
gtk_clist_set_selection_mode(GTK_CLIST(list), GTK_SELECTION_MULTIPLE);
set_buttons(data);
/* Set object list callbacks we're interested in */
object_list_add_add_cb(object_list, object_added_cb, data);
object_list_add_update_cb(object_list, object_updated_cb, data);
object_list_add_remove_cb(object_list, object_removed_cb, data);
object_list_add_select_cb(object_list, object_selected_cb, data);
object_list_add_move_cb(object_list, object_moved_cb, data);
return data;
}
void
selection_toggle_visibility(Selection_t *selection)
{
if (selection->is_visible) {
gtk_widget_hide(selection->container);
selection->is_visible = FALSE;
} else {
gtk_widget_show(selection->container);
selection->is_visible = TRUE;
}
}