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Use Name entry of .desktop files for pinboard/panel icons.
[rox-filer/dt.git] / ROX-Filer / src / panel.c
blob72041d4c609e1546603a2244f731d114f02e58e1
1 /*
2 * ROX-Filer, filer for the ROX desktop project
3 * Copyright (C) 2006, Thomas Leonard and others (see changelog for details).
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation; either version 2 of the License, or (at your option)
8 * any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
17 * Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 /* panel.c - code for dealing with panel windows */
21
22 #include "config.h"
23
24 #include <stdio.h>
25 #include <string.h>
26 #include <errno.h>
27 #include <ctype.h>
28 #include <unistd.h>
29 #include <libxml/parser.h>
30
31 #include <gtk/gtk.h>
32 #include <gdk/gdkx.h>
33
34 #include "global.h"
35
36 #include "panel.h"
37 #include "options.h"
38 #include "choices.h"
39 #include "main.h"
40 #include "type.h"
41 #include "gui_support.h"
42 #include "diritem.h"
43 #include "pixmaps.h"
44 #include "filer.h"
45 #include "display.h"
46 #include "bind.h"
47 #include "dnd.h"
48 #include "support.h"
49 #include "icon.h"
50 #include "run.h"
51 #include "appinfo.h"
52 #include "pixmaps.h"
53 #include "xml.h"
54 #include "pinboard.h" /* For pinboard_get_window() */
55
56 /* The width of the separator at the inner edge of the panel */
57 #define EDGE_WIDTH 1
58
59 /* The gap between panel icons */
60 #define PANEL_ICON_SPACING 8
61
62 enum {TEXT_BESIDE_ICON, TEXT_UNDER_ICON};
63
64 static gboolean tmp_icon_selected = FALSE; /* When dragging */
65
66 typedef struct _PanelIconClass PanelIconClass;
67 typedef struct _PanelIcon PanelIcon;
68
69 struct _PanelIconClass {
70 IconClass parent;
71 };
72
73 struct _PanelIcon {
74 Icon icon;
75 GdkPixbuf *image;
76
77 Panel *panel;
78 GtkWidget *widget; /* The drawing area for the icon */
79 GtkWidget *label;
80 GtkWidget *socket; /* For applets */
81
82 int style;
83 };
84
85 #define PANEL_ICON(obj) GTK_CHECK_CAST((obj), panel_icon_get_type(), PanelIcon)
86 #define IS_PANEL_ICON(obj) \
87 G_TYPE_CHECK_INSTANCE_TYPE((obj), panel_icon_get_type())
88
89 Panel *current_panel[PANEL_NUMBER_OF_SIDES];
90
91 /* NULL => Not loading a panel */
92 static Panel *loading_panel = NULL;
93
94 static GtkWidget *panel_options_dialog = NULL;
95
96 /* Static prototypes */
97 static int panel_delete(GtkWidget *widget, GdkEvent *event, Panel *panel);
98 static void panel_destroyed(GtkWidget *widget, Panel *panel);
99 static const char *pan_from_file(gchar *line);
100 static gint icon_button_release(GtkWidget *widget,
101 GdkEventButton *event,
102 PanelIcon *pi);
103 static gint icon_button_press(GtkWidget *widget,
104 GdkEventButton *event,
105 PanelIcon *pi);
106 static void reposition_panel(GtkWidget *window,
107 GtkAllocation *alloc, Panel *panel);
108 static gint expose_icon(GtkWidget *widget,
109 GdkEventExpose *event,
110 PanelIcon *pi);
111 static gint draw_icon(GtkWidget *widget,
112 GdkRectangle *badarea,
113 PanelIcon *pi);
114 static gint panel_button_release(GtkWidget *widget,
115 GdkEventButton *event,
116 Panel *panel);
117 static gint panel_button_press(GtkWidget *widget,
118 GdkEventButton *event,
119 Panel *panel);
120 static void panel_post_resize(GtkWidget *box,
121 GtkRequisition *req, Panel *panel);
122 static void drag_set_panel_dest(PanelIcon *pi);
123 static void add_uri_list(GtkWidget *widget,
124 GdkDragContext *context,
125 gint x,
126 gint y,
127 GtkSelectionData *selection_data,
128 guint info,
129 guint32 time,
130 Panel *panel);
131 static void panel_add_item(Panel *panel,
132 const gchar *path,
133 const gchar *name,
134 gboolean after,
135 const gchar *shortcut,
136 const gchar *args,
137 gboolean locked);
138 static gboolean panel_drag_motion(GtkWidget *widget,
139 GdkDragContext *context,
140 gint x,
141 gint y,
142 guint time,
143 Panel *panel);
144 static gboolean insert_drag_motion(GtkWidget *widget,
145 GdkDragContext *context,
146 gint x,
147 gint y,
148 guint time,
149 Panel *panel);
150 static gboolean drag_motion(GtkWidget *widget,
151 GdkDragContext *context,
152 gint x,
153 gint y,
154 guint time,
155 PanelIcon *pi);
156 static void panel_drag_leave(GtkWidget *widget,
157 GdkDragContext *context,
158 guint32 time,
159 Panel *panel);
160 static void drag_leave(GtkWidget *widget,
161 GdkDragContext *context,
162 guint32 time,
163 Icon *icon);
164 static GtkWidget *make_insert_frame(Panel *panel);
165 static gboolean enter_icon(GtkWidget *widget,
166 GdkEventCrossing *event,
167 Icon *icon);
168 static gint icon_motion_event(GtkWidget *widget,
169 GdkEventMotion *event,
170 PanelIcon *pi);
171 static gint panel_leave_event(GtkWidget *widget,
172 GdkEventCrossing *event,
173 Panel *panel);
174 static gint panel_motion_event(GtkWidget *widget,
175 GdkEventMotion *event,
176 Panel *panel);
177 static void reposition_icon(PanelIcon *pi, int index);
178 static void start_drag(PanelIcon *pi, GdkEventMotion *event);
179 static void drag_end(GtkWidget *widget,
180 GdkDragContext *context,
181 Icon *icon);
182 static void perform_action(Panel *panel,
183 PanelIcon *pi,
184 GdkEventButton *event);
185 static void run_applet(PanelIcon *pi);
186 static void size_request(GtkWidget *widget, GtkRequisition *req, PanelIcon *pi);
187 static void panel_load_from_xml(Panel *panel, xmlDocPtr doc);
188 static gboolean draw_panel_edge(GtkWidget *widget, GdkEventExpose *event,
189 Panel *panel);
190 static PanelIcon *panel_icon_new(Panel *panel,
191 const char *pathname,
192 const char *name);
193 static GType panel_icon_get_type(void);
194 static gboolean panel_want_show_text(PanelIcon *pi);
195 static void panel_show_menu(GdkEventButton *event, PanelIcon *pi, Panel *panel);
196 static void panel_style_changed(void);
197 static void motion_may_raise(Panel *panel, int x, int y);
198 static void panel_update(Panel *panel);
199 static gboolean panel_check_xinerama(void);
200 static GList *build_monitor_number(Option *option,
201 xmlNode *node, guchar *label);
202 static gboolean may_autoscroll(Panel *panel);
203 static void panel_show_options(gpointer data);
204
205
206 static GtkWidget *dnd_highlight = NULL; /* (stops flickering) */
207
208 #define SHOW_BOTH 0
209 #define SHOW_APPS_SMALL 1
210 #define SHOW_ICON 2
211 static Option o_panel_style;
212 static Option o_panel_width;
213 static Option o_panel_xinerama;
214 static Option o_panel_monitor;
215 static Option o_panel_avoid;
216 static Option o_panel_is_dock;
217
218 static gint panel_monitor = -1;
219 GdkRectangle panel_geometry;
220
221 static int closing_panel = 0; /* Don't panel_save; destroying! */
222
223 /****************************************************************
224 * EXTERNAL INTERFACE *
225 ****************************************************************/
226
227 void panel_init(void)
228 {
229 option_add_int(&o_panel_style, "panel_style", SHOW_APPS_SMALL);
230 option_add_int(&o_panel_width, "panel_width", 52);
231
232 option_add_int(&o_panel_xinerama, "panel_xinerama", 0);
233 option_add_int(&o_panel_monitor, "panel_monitor", 0);
234
235 option_add_int(&o_panel_avoid, "panel_avoid", TRUE);
236 option_add_int(&o_panel_is_dock, "panel_is_dock", FALSE);
237
238 option_add_notify(panel_style_changed);
239
240 option_register_widget("monitor-number", build_monitor_number);
241
242 panel_check_xinerama();
243 }
244
245 /* Return a free edge for a new panel.
246 * If no edge is free, returns PANEL_BOTTOM.
247 */
248 static PanelSide find_free_side()
249 {
250 if (!current_panel[PANEL_BOTTOM])
251 return PANEL_BOTTOM;
252
253 if (!current_panel[PANEL_TOP])
254 return PANEL_TOP;
255
256 if (!current_panel[PANEL_LEFT])
257 return PANEL_LEFT;
258
259 if (!current_panel[PANEL_RIGHT])
260 return PANEL_RIGHT;
261
262 return PANEL_BOTTOM;
263 }
264
265 /* 'name' may be NULL or "" to remove the panel */
266 Panel *panel_new(const gchar *name, PanelSide side)
267 {
268 guchar *load_path;
269 Panel *panel;
270 GtkWidget *vp, *box, *frame, *align;
271 xmlDocPtr panel_doc = NULL;
272 gboolean need_resave = FALSE;
273
274 g_return_val_if_fail(side == PANEL_DEFAULT_SIDE ||
275 (side >= 0 && side < PANEL_NUMBER_OF_SIDES), NULL);
276 g_return_val_if_fail(loading_panel == NULL, NULL);
277
278 if (name && *name == '\0')
279 name = NULL;
280
281 if (!name)
282 load_path = NULL;
283 else if (strchr(name, '/'))
284 load_path = g_strdup(name);
285 else
286 {
287 guchar *leaf;
288
289 leaf = g_strconcat("pan_", name, NULL);
290 load_path = choices_find_xdg_path_load(leaf, PROJECT, SITE);
291 g_free(leaf);
292 }
293
294 if (load_path && access(load_path, F_OK) == 0)
295 {
296 char *saved_side;
297 xmlNodePtr root;
298
299 panel_doc = xmlParseFile(load_path);
300 root = xmlDocGetRootElement(panel_doc);
301
302 saved_side = xmlGetProp(root, "side");
303 if (saved_side)
304 {
305 PanelSide old_side;
306 old_side = panel_name_to_side(saved_side);
307 g_free(saved_side);
308
309 if (side == PANEL_DEFAULT_SIDE)
310 side = old_side;
311 else if (side != old_side)
312 need_resave = TRUE;
313 }
314 else
315 need_resave = TRUE;
316 }
317
318 if (side == PANEL_DEFAULT_SIDE)
319 side = find_free_side();
320
321 if (current_panel[side])
322 {
323 if (name)
324 number_of_windows++;
325 closing_panel++;
326 gtk_widget_destroy(current_panel[side]->window);
327 closing_panel--;
328 if (name)
329 number_of_windows--;
330 }
331
332 if (name == NULL || *name == '\0')
333 return NULL;
334
335 panel = g_new(Panel, 1);
336 panel->name = g_strdup(name);
337 panel->side = side;
338 panel->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
339 panel->autoscroll_speed = 0;
340 gtk_window_set_resizable(GTK_WINDOW(panel->window), FALSE);
341 gtk_window_set_wmclass(GTK_WINDOW(panel->window), "ROX-Panel", PROJECT);
342 gtk_widget_set_name(panel->window, "rox-panel");
343 gtk_widget_set_events(panel->window,
344 GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
345 GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK);
346
347 /* We make the panel a drop target only so that we can auto-raise! */
348 gtk_drag_dest_set(panel->window, 0, NULL, 0, GDK_ACTION_PRIVATE);
349 g_signal_connect(panel->window, "drag_leave",
350 G_CALLBACK(panel_drag_leave), panel);
351 g_signal_connect(panel->window, "drag_motion",
352 G_CALLBACK(panel_drag_motion), panel);
353
354 g_signal_connect(panel->window, "delete-event",
355 G_CALLBACK(panel_delete), panel);
356 g_signal_connect(panel->window, "destroy",
357 G_CALLBACK(panel_destroyed), panel);
358 g_signal_connect(panel->window, "button_press_event",
359 G_CALLBACK(panel_button_press), panel);
360 g_signal_connect(panel->window, "button_release_event",
361 G_CALLBACK(panel_button_release), panel);
362 g_signal_connect(panel->window, "motion-notify-event",
363 G_CALLBACK(panel_motion_event), panel);
364 g_signal_connect(panel->window, "leave-notify-event",
365 G_CALLBACK(panel_leave_event), panel);
366
367 if (panel->side == PANEL_RIGHT)
368 align = gtk_alignment_new(1.0, 0.0, 0.0, 1.0);
369 else if (panel->side == PANEL_BOTTOM)
370 align = gtk_alignment_new(0.0, 1.0, 1.0, 0.0);
371 else if (panel->side == PANEL_TOP)
372 align = gtk_alignment_new(0.0, 0.0, 1.0, 0.0);
373 else
374 align = gtk_alignment_new(0.0, 0.0, 0.0, 1.0);
375
376 gtk_container_add(GTK_CONTAINER(panel->window), align);
377
378 vp = gtk_viewport_new(NULL, NULL);
379 gtk_container_set_resize_mode(GTK_CONTAINER(vp), GTK_RESIZE_PARENT);
380 gtk_viewport_set_shadow_type(GTK_VIEWPORT(vp), GTK_SHADOW_NONE);
381 gtk_container_add(GTK_CONTAINER(align), vp);
382
383 g_signal_connect(align, "expose-event",
384 G_CALLBACK(draw_panel_edge), panel);
385
386 if (side == PANEL_TOP || side == PANEL_BOTTOM)
387 {
388 panel->adj = gtk_viewport_get_hadjustment(GTK_VIEWPORT(vp));
389 box = gtk_hbox_new(FALSE, 0);
390 panel->before = gtk_hbox_new(FALSE, 0);
391 panel->after = gtk_hbox_new(FALSE, 0);
392 }
393 else
394 {
395 panel->adj = gtk_viewport_get_vadjustment(GTK_VIEWPORT(vp));
396 box = gtk_vbox_new(FALSE, 0);
397 panel->before = gtk_vbox_new(FALSE, 0);
398 panel->after = gtk_vbox_new(FALSE, 0);
399 }
400
401 gtk_container_add(GTK_CONTAINER(vp), box);
402 gtk_box_pack_start(GTK_BOX(box), panel->before, FALSE, TRUE, 0);
403 gtk_box_pack_end(GTK_BOX(box), panel->after, FALSE, TRUE, 0);
404
405 frame = make_insert_frame(panel);
406 gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 4);
407
408 /* This is used so that we can find the middle easily! */
409 panel->gap = gtk_event_box_new();
410 gtk_box_pack_start(GTK_BOX(box), panel->gap, FALSE, FALSE, 0);
411
412 frame = make_insert_frame(panel);
413 g_object_set_data(G_OBJECT(frame), "after", "yes");
414 gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 4);
415
416 if (o_panel_is_dock.int_value)
417 gtk_window_set_type_hint(GTK_WINDOW(panel->window),
418 GDK_WINDOW_TYPE_HINT_DOCK);
419
420 gtk_widget_realize(panel->window);
421 make_panel_window(panel->window);
422 gtk_window_stick(GTK_WINDOW(panel->window));
423
424 gtk_widget_show_all(align);
425
426 loading_panel = panel;
427 if (panel_doc)
428 {
429 panel_load_from_xml(panel, panel_doc);
430 xmlFreeDoc(panel_doc);
431
432 if (need_resave)
433 panel_save(panel);
434 }
435 else if (load_path)
436 {
437 parse_file(load_path, pan_from_file);
438 info_message(_("Your old panel file has been "
439 "converted to the new XML format."));
440 panel_save(panel);
441 }
442 else
443 {
444 /* Don't scare users with an empty panel... */
445 guchar *apps;
446
447 panel_add_item(panel, "~", "Home", FALSE, NULL, NULL, FALSE);
448
449 apps = pathdup(make_path(app_dir, ".."));
450 if (apps)
451 {
452 panel_add_item(panel, apps, "Apps", FALSE, NULL, NULL, FALSE);
453 g_free(apps);
454 }
455 }
456 loading_panel = NULL;
457 g_free(load_path);
458
459 current_panel[side] = panel;
460
461 gtk_widget_queue_resize(box);
462 g_signal_connect(panel->window, "size-request",
463 G_CALLBACK(panel_post_resize), panel);
464 g_signal_connect(panel->window, "size-allocate",
465 G_CALLBACK(reposition_panel), panel);
466
467 number_of_windows++;
468 gdk_window_lower(panel->window->window);
469 gtk_widget_show(panel->window);
470 /* This has no effect until after window is showing; GTK+ bug? */
471 keep_below(panel->window->window, TRUE);
472
473 {
474 GdkWindow *pinboard;
475
476 pinboard = pinboard_get_window();
477 /* (if pinboard is NULL, will go right to the back) */
478 window_put_just_above(panel->window->window, pinboard);
479 }
480
481 return panel;
482 }
483
484 /* Externally visible function to add an item to a panel */
485 gboolean panel_add(PanelSide side,
486 const gchar *path, const gchar *label, gboolean after, const gchar *shortcut, const gchar *args,
487 gboolean locked)
488 {
489 g_return_val_if_fail(side >= 0 && side < PANEL_NUMBER_OF_SIDES, FALSE);
490
491 g_return_val_if_fail(current_panel[side] != NULL, FALSE);
492
493 panel_add_item(current_panel[side], path, label, after, shortcut, args, locked);
494
495 return TRUE;
496 }
497
498 /* Add the area covered by the panels to the region */
499 void panel_mark_used(GdkRegion *used)
500 {
501 int i;
502
503 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
504 {
505 Panel *panel = current_panel[i];
506 GdkRectangle rect;
507
508 if (!panel)
509 continue;
510
511 gdk_window_get_root_origin(panel->window->window,
512 &rect.x, &rect.y);
513 rect.width = panel->window->allocation.width;
514 rect.height = panel->window->allocation.height;
515
516 gdk_region_union_with_rect(used, &rect);
517 }
518 }
519
520 /* On xrandr screen size changes, update all panels */
521 void panel_update_size(void)
522 {
523 int i;
524
525 panel_check_xinerama();
526
527 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
528 {
529 if (current_panel[i])
530 {
531 reposition_panel(current_panel[i]->window,
532 &current_panel[i]->window->allocation,
533 current_panel[i]);
534 gtk_widget_queue_resize(current_panel[i]->window);
535 }
536 }
537 }
538
539 /****************************************************************
540 * INTERNAL FUNCTIONS *
541 ****************************************************************/
542
543 /* User has tried to close the panel via the window manager - confirm */
544 static int panel_delete(GtkWidget *widget, GdkEvent *event, Panel *panel)
545 {
546 return !confirm(_("You have tried to close a panel via the window "
547 "manager - I usually find that this is accidental... "
548 "really close?"),
549 GTK_STOCK_CLOSE, NULL);
550 }
551
552 static void panel_destroyed(GtkWidget *widget, Panel *panel)
553 {
554 if (panel_options_dialog)
555 {
556 PanelSide side;
557 side = GPOINTER_TO_INT(g_object_get_data(
558 G_OBJECT(panel_options_dialog),
559 "rox-panel-side"));
560 if (side == panel->side)
561 gtk_widget_destroy(panel_options_dialog);
562 }
563
564 if (current_panel[panel->side] == panel)
565 current_panel[panel->side] = NULL;
566
567 if (panel->side == PANEL_TOP || panel->side == PANEL_BOTTOM)
568 {
569 if (current_panel[PANEL_RIGHT])
570 gtk_widget_queue_resize(
571 current_panel[PANEL_RIGHT]->window);
572 if (current_panel[PANEL_LEFT])
573 gtk_widget_queue_resize(
574 current_panel[PANEL_LEFT]->window);
575 }
576
577 if (panel->autoscroll_speed)
578 g_source_remove(panel->autoscroll_to);
579
580 g_free(panel->name);
581 g_free(panel);
582
583 one_less_window();
584 }
585
586 static void panel_load_side(Panel *panel, xmlNodePtr side, gboolean after)
587 {
588 xmlNodePtr node;
589 char *label, *path, *shortcut, *args, *tmp;
590 gboolean locked;
591
592 for (node = side->xmlChildrenNode; node; node = node->next)
593 {
594 if (node->type != XML_ELEMENT_NODE)
595 continue;
596 if (strcmp(node->name, "icon") != 0)
597 continue;
598
599 label = xmlGetProp(node, "label");
600 path = xmlNodeGetContent(node);
601 if (!path)
602 path = g_strdup("<missing path>");
603 shortcut = xmlGetProp(node, "shortcut");
604 args = xmlGetProp(node, "args");
605 tmp = xmlGetProp(node, "locked");
606 if (tmp)
607 {
608 locked = text_to_boolean(tmp, FALSE);
609 g_free(tmp);
610 }
611 else
612 locked = FALSE;
613
614 panel_add_item(panel, path, label, after, shortcut, args, locked);
615
616 g_free(path);
617 if (label)
618 g_free(label);
619 g_free(shortcut);
620 g_free(args);
621 }
622 }
623
624 /* Create one panel icon for each icon in the doc */
625 static void panel_load_from_xml(Panel *panel, xmlDocPtr doc)
626 {
627 xmlNodePtr root;
628
629 root = xmlDocGetRootElement(doc);
630 panel_load_side(panel, get_subnode(root, NULL, "start"), FALSE);
631 panel_load_side(panel, get_subnode(root, NULL, "end"), TRUE);
632 }
633
634 /* Called for each line in the config file while loading a new panel */
635 static const char *pan_from_file(gchar *line)
636 {
637 gchar *sep, *leaf;
638
639 g_return_val_if_fail(line != NULL, NULL);
640 g_return_val_if_fail(loading_panel != NULL, NULL);
641
642 if (*line == '\0')
643 return NULL;
644
645 sep = strpbrk(line, "<>");
646 if (!sep)
647 return _("Missing < or > in panel config file");
648
649 if (sep != line)
650 leaf = g_strndup(line, sep - line);
651 else
652 leaf = NULL;
653
654 panel_add_item(loading_panel, sep + 1, leaf, sep[0] == '>',
655 NULL, NULL, FALSE);
656
657 g_free(leaf);
658
659 return NULL;
660 }
661
662 static gboolean icon_pointer_in(GtkWidget *widget,
663 GdkEventCrossing *event,
664 Icon *icon)
665 {
666 gtk_widget_set_state(widget,
667 icon->selected ? GTK_STATE_SELECTED : GTK_STATE_PRELIGHT);
668
669 return 0;
670 }
671
672 static gboolean icon_pointer_out(GtkWidget *widget,
673 GdkEventCrossing *event,
674 Icon *icon)
675 {
676 gtk_widget_set_state(widget,
677 icon->selected ? GTK_STATE_SELECTED : GTK_STATE_NORMAL);
678
679 return 0;
680 }
681
682 static void panel_icon_destroyed(PanelIcon *pi)
683 {
684 g_return_if_fail(pi->widget != NULL);
685
686 pi->widget = NULL;
687
688 g_object_unref(pi);
689 }
690
691 /* Set the tooltip AND hide/show the label */
692 static void panel_icon_set_tip(PanelIcon *pi)
693 {
694 XMLwrapper *ai;
695 xmlNode *node;
696 Icon *icon = (Icon *) pi;
697
698 g_return_if_fail(pi != NULL);
699
700 if (pi->label)
701 {
702 if (panel_want_show_text(pi))
703 gtk_widget_show(pi->label);
704 else
705 gtk_widget_hide(pi->label);
706 }
707
708 if (pi->socket)
709 ai = NULL;
710 else
711 ai = appinfo_get(icon->path, icon->item);
712
713 if (ai && ((node = xml_get_section(ai, NULL, "Summary"))))
714 {
715 guchar *str;
716 str = xmlNodeListGetString(node->doc,
717 node->xmlChildrenNode, 1);
718 if (str)
719 {
720 gtk_tooltips_set_tip(tooltips, pi->widget, str, NULL);
721 g_free(str);
722 }
723 }
724 else if ((!panel_want_show_text(pi)) && !pi->socket)
725 {
726 if (icon->item->leafname && icon->item->leafname[0])
727 gtk_tooltips_set_tip(tooltips, pi->widget,
728 icon->item->leafname, NULL);
729 }
730 else
731 gtk_tooltips_set_tip(tooltips, pi->widget, NULL, NULL);
732
733 if (ai)
734 g_object_unref(ai);
735 }
736
737 /* Add an icon with this path to the panel. If after is TRUE then the
738 * icon is added to the right/bottom end of the panel.
739 *
740 * If name is NULL a suitable name is taken from path.
741 */
742 static void panel_add_item(Panel *panel,
743 const gchar *path,
744 const gchar *name,
745 gboolean after,
746 const gchar *shortcut,
747 const gchar *args,
748 gboolean locked)
749 {
750 GtkWidget *widget;
751 PanelIcon *pi;
752 Icon *icon;
753
754 g_return_if_fail(panel != NULL);
755 g_return_if_fail(path != NULL);
756
757 widget = gtk_event_box_new();
758 gtk_widget_set_events(widget,
759 GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK |
760 GDK_BUTTON3_MOTION_MASK |
761 GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK |
762 GDK_BUTTON_RELEASE_MASK);
763
764 gtk_box_pack_start(GTK_BOX(after ? panel->after : panel->before),
765 widget, FALSE, TRUE, 0);
766 if (after)
767 gtk_box_reorder_child(GTK_BOX(panel->after), widget, 0);
768
769 gtk_widget_realize(widget);
770
771 pi = panel_icon_new(panel, path, name);
772 icon = (Icon *) pi;
773
774 /* Widget takes the initial ref of Icon */
775 g_object_set_data(G_OBJECT(widget), "icon", pi);
776
777 pi->widget = widget;
778 g_object_ref(widget);
779
780 gtk_widget_set_name(pi->widget, "panel-icon");
781
782 g_signal_connect_swapped(widget, "destroy",
783 G_CALLBACK(panel_icon_destroyed), pi);
784
785 if (icon->item->base_type == TYPE_DIRECTORY)
786 run_applet(pi);
787
788 g_signal_connect(widget, "button_release_event",
789 G_CALLBACK(icon_button_release), pi);
790 g_signal_connect(widget, "button_press_event",
791 G_CALLBACK(icon_button_press), pi);
792 g_signal_connect(widget, "motion-notify-event",
793 G_CALLBACK(icon_motion_event), pi);
794 g_signal_connect(widget, "enter-notify-event",
795 G_CALLBACK(icon_pointer_in), pi);
796 g_signal_connect(widget, "leave-notify-event",
797 G_CALLBACK(icon_pointer_out), pi);
798
799 if (!pi->socket)
800 {
801 g_signal_connect(widget, "enter-notify-event",
802 G_CALLBACK(enter_icon), pi);
803 g_signal_connect_after(widget, "expose_event",
804 G_CALLBACK(expose_icon), pi);
805 g_signal_connect(widget, "drag_data_get",
806 G_CALLBACK(drag_data_get), NULL);
807
808 g_signal_connect(widget, "size_request",
809 G_CALLBACK(size_request), pi);
810
811 drag_set_panel_dest(pi);
812
813 pi->label = gtk_label_new(icon->item->leafname);
814 gtk_container_add(GTK_CONTAINER(pi->widget), pi->label);
815 gtk_misc_set_alignment(GTK_MISC(pi->label), 0.5, 1);
816 gtk_misc_set_padding(GTK_MISC(pi->label), 1, 2);
817 }
818
819 icon_set_shortcut(icon, shortcut);
820 icon_set_arguments(icon, args);
821 icon->locked = locked;
822
823 if (!loading_panel)
824 panel_save(panel);
825
826 panel_icon_set_tip(pi);
827 gtk_widget_show(widget);
828 }
829
830 static gboolean remove_item_from_side(GtkWidget *container, const gchar *path,
831 const gchar *label)
832 {
833 GList *kids, *next;
834 gboolean found = FALSE;
835
836 kids = gtk_container_get_children(GTK_CONTAINER(container));
837
838 for (next = kids; next; next = next->next)
839 {
840 Icon *icon;
841 icon = g_object_get_data(G_OBJECT(next->data), "icon");
842 if (!icon)
843 continue;
844
845 if ((!path || strcmp(path, icon->src_path) == 0) &&
846 (!label || strcmp(label, icon->item->leafname)==0))
847 {
848 icon->locked = FALSE;
849 icon_destroy(icon);
850 found = TRUE;
851 break;
852 }
853 }
854
855 g_list_free(kids);
856
857 return found;
858 }
859
860 /* Remove an item with this path. If more than one item matches, only
861 * one is removed. If label is not NULL then it must also match the item.
862 * Returns TRUE if an item was successfully removed.
863 */
864 gboolean panel_remove_item(PanelSide side, const gchar *path,
865 const gchar *label)
866 {
867 Panel *panel;
868
869 g_return_val_if_fail(side >= 0 && side < PANEL_NUMBER_OF_SIDES, FALSE);
870
871 g_return_val_if_fail(path != NULL || label != NULL, FALSE);
872
873 panel = current_panel[side];
874 if (!panel)
875 {
876 g_warning("No panel on this side of the screen!");
877 return FALSE;
878 }
879
880 if (remove_item_from_side(panel->before, path, label) ||
881 remove_item_from_side(panel->after, path, label))
882 {
883 panel_save(panel);
884 panel_update(panel);
885 return TRUE;
886 }
887
888 g_warning("Panel item path='%s', label='%s' not found", path, label);
889 return FALSE;
890 }
891
892 /* Called when Gtk+ wants to know how much space an icon needs.
893 * 'req' is already big enough for the label, if shown.
894 */
895 static void size_request(GtkWidget *widget, GtkRequisition *req, PanelIcon *pi)
896 {
897 Icon *icon = (Icon *) pi;
898 gboolean horz = (pi->panel->side == PANEL_TOP ||
899 pi->panel->side == PANEL_BOTTOM);
900 int max_width = 100;
901 int max_height = 100;
902 int image_width, image_height;
903
904 if (horz)
905 max_height = o_panel_width.int_value - req->height;
906 else
907 max_width = MAX(o_panel_width.int_value, req->width);
908
909 /* TODO: really need to recreate? */
910 if (pi->image)
911 g_object_unref(pi->image);
912
913 pi->image = scale_pixbuf(di_image(icon->item)->src_pixbuf,
914 MAX(20, max_width), MAX(20, max_height));
915
916 image_width = gdk_pixbuf_get_width(pi->image);
917 image_height = gdk_pixbuf_get_height(pi->image);
918
919 if (req->height > 0 && max_height < req->height)
920 {
921 pi->style = TEXT_BESIDE_ICON;
922 req->width += image_width;
923 req->height = MAX(req->height, image_height);
924 gtk_misc_set_alignment(GTK_MISC(pi->label), 1, 0.5);
925 }
926 else
927 {
928 pi->style = TEXT_UNDER_ICON;
929 req->width = MAX(req->width, image_width);
930 req->height += image_height;
931 gtk_misc_set_alignment(GTK_MISC(pi->label), 0.5, 1);
932 }
933
934 if (horz)
935 req->width += PANEL_ICON_SPACING;
936 else
937 req->height += PANEL_ICON_SPACING;
938 }
939
940 static gint expose_icon(GtkWidget *widget,
941 GdkEventExpose *event,
942 PanelIcon *pi)
943 {
944 return draw_icon(widget, &event->area, pi);
945 }
946
947 static gint draw_icon(GtkWidget *widget, GdkRectangle *badarea, PanelIcon *pi)
948 {
949 GdkRectangle area;
950 int width, height;
951 Icon *icon = (Icon *) pi;
952 int image_x;
953 int image_y;
954 GdkPixbuf *image;
955 int text_height = 0;
956
957 gdk_drawable_get_size(widget->window, &area.width, &area.height);
958
959 if (panel_want_show_text(pi))
960 text_height = pi->label->requisition.height;
961
962 g_return_val_if_fail(pi->image != NULL, FALSE);
963
964 image = pi->image;
965
966 width = gdk_pixbuf_get_width(image);
967 height = gdk_pixbuf_get_height(image);
968
969 if (pi->style == TEXT_UNDER_ICON)
970 {
971 image_x = (area.width - width) >> 1;
972 image_y = (area.height - height - text_height) >> 1;
973 }
974 else
975 {
976 image_x = PANEL_ICON_SPACING - 2;
977 image_y = (area.height - height) >> 1;
978 }
979
980 gdk_pixbuf_render_to_drawable_alpha(
981 image,
982 widget->window,
983 0, 0, /* src */
984 image_x, image_y, /* dest */
985 width, height,
986 GDK_PIXBUF_ALPHA_FULL, 128, /* (unused) */
987 GDK_RGB_DITHER_NORMAL, 0, 0);
988
989 if (icon->item->flags & ITEM_FLAG_SYMLINK)
990 {
991 gdk_pixbuf_render_to_drawable_alpha(im_symlink->pixbuf,
992 widget->window,
993 0, 0, /* src */
994 image_x, image_y + 2, /* dest */
995 -1, -1,
996 GDK_PIXBUF_ALPHA_FULL, 128, /* (unused) */
997 GDK_RGB_DITHER_NORMAL, 0, 0);
998 }
999 if (icon->item->flags & ITEM_FLAG_MOUNT_POINT)
1000 {
1001 MaskedPixmap *mp = icon->item->flags & ITEM_FLAG_MOUNTED
1002 ? im_mounted
1003 : im_unmounted;
1004
1005 gdk_pixbuf_render_to_drawable_alpha(mp->pixbuf,
1006 widget->window,
1007 0, 0, /* src */
1008 image_x, image_y + 2, /* dest */
1009 -1, -1,
1010 GDK_PIXBUF_ALPHA_FULL, 128, /* (unused) */
1011 GDK_RGB_DITHER_NORMAL, 0, 0);
1012 }
1013 return FALSE;
1014 }
1015
1016 static void panel_icon_wink(Icon *icon)
1017 {
1018 PanelIcon *pi = (PanelIcon *) icon;
1019
1020 wink_widget(pi->widget);
1021 }
1022
1023 /* icon may be NULL if the event is on the background */
1024 static void perform_action(Panel *panel, PanelIcon *pi, GdkEventButton *event)
1025 {
1026 BindAction action;
1027 Icon *icon = (Icon *) pi;
1028
1029 action = bind_lookup_bev(icon ? BIND_PANEL_ICON : BIND_PANEL, event);
1030
1031 if (pi && pi->socket)
1032 if (action != ACT_POPUP_MENU && action != ACT_MOVE_ICON)
1033 return;
1034
1035 switch (action)
1036 {
1037 case ACT_OPEN_ITEM:
1038 dnd_motion_ungrab();
1039 wink_widget(pi->widget);
1040 icon_run(icon);
1041 break;
1042 case ACT_EDIT_ITEM:
1043 dnd_motion_ungrab();
1044 wink_widget(pi->widget);
1045 run_diritem(icon->path, icon->item, NULL, NULL, TRUE);
1046 break;
1047 case ACT_POPUP_MENU:
1048 dnd_motion_ungrab();
1049 panel_show_menu(event, pi, panel);
1050 break;
1051 case ACT_MOVE_ICON:
1052 dnd_motion_start(MOTION_REPOSITION);
1053 break;
1054 case ACT_PRIME_AND_SELECT:
1055 if (!icon->selected)
1056 icon_select_only(icon);
1057 dnd_motion_start(MOTION_READY_FOR_DND);
1058 break;
1059 case ACT_PRIME_AND_TOGGLE:
1060 icon_set_selected(icon, !icon->selected);
1061 dnd_motion_start(MOTION_READY_FOR_DND);
1062 break;
1063 case ACT_PRIME_FOR_DND:
1064 dnd_motion_start(MOTION_READY_FOR_DND);
1065 break;
1066 case ACT_TOGGLE_SELECTED:
1067 icon_set_selected(icon, !icon->selected);
1068 break;
1069 case ACT_SELECT_EXCL:
1070 icon_set_selected(icon, TRUE);
1071 break;
1072 case ACT_IGNORE:
1073 break;
1074 case ACT_CLEAR_SELECTION:
1075 dnd_motion_ungrab();
1076 icon_select_only(NULL);
1077 break;
1078 default:
1079 g_warning("Unsupported action : %d\n", action);
1080 break;
1081 }
1082 }
1083
1084 static gint panel_button_release(GtkWidget *widget,
1085 GdkEventButton *event,
1086 Panel *panel)
1087 {
1088 if (dnd_motion_release(event))
1089 return TRUE;
1090
1091 perform_action(panel, NULL, event);
1092
1093 return TRUE;
1094 }
1095
1096 static gint panel_button_press(GtkWidget *widget,
1097 GdkEventButton *event,
1098 Panel *panel)
1099 {
1100 if (dnd_motion_press(panel->window, event))
1101 perform_action(panel, NULL, event);
1102
1103 return TRUE;
1104 }
1105
1106 static gint icon_button_release(GtkWidget *widget,
1107 GdkEventButton *event,
1108 PanelIcon *pi)
1109 {
1110 if (pi->socket && event->button == 1)
1111 return FALSE; /* Restart button */
1112
1113 if (dnd_motion_release(event))
1114 return TRUE;
1115
1116 perform_action(pi->panel, pi, event);
1117
1118 return TRUE;
1119 }
1120
1121 static gint icon_button_press(GtkWidget *widget,
1122 GdkEventButton *event,
1123 PanelIcon *pi)
1124 {
1125 if (pi->socket && event->button == 1)
1126 return FALSE; /* Restart button */
1127
1128 if (dnd_motion_press(widget, event))
1129 perform_action(pi->panel, pi, event);
1130
1131 return TRUE;
1132 }
1133
1134 static void reposition_panel(GtkWidget *window,
1135 GtkAllocation *alloc, Panel *panel)
1136 {
1137 int x = panel_geometry.x;
1138 int y = panel_geometry.y;
1139 int thickness;
1140 PanelSide side = panel->side;
1141
1142 if (side == PANEL_LEFT || side == PANEL_RIGHT)
1143 {
1144 if (side == PANEL_RIGHT)
1145 x += panel_geometry.width - alloc->width;
1146
1147 if (current_panel[PANEL_TOP])
1148 {
1149 GtkWidget *win = current_panel[PANEL_TOP]->window;
1150 y += win->allocation.height;
1151 }
1152 }
1153
1154 if (side == PANEL_BOTTOM)
1155 y += panel_geometry.height - alloc->height;
1156
1157 gtk_window_move(GTK_WINDOW(panel->window), x, y);
1158 gdk_window_move(panel->window->window, x, y);
1159
1160 if (side == PANEL_BOTTOM || side == PANEL_TOP)
1161 {
1162 if (current_panel[PANEL_RIGHT])
1163 gtk_widget_queue_resize(
1164 current_panel[PANEL_RIGHT]->window);
1165 if (current_panel[PANEL_LEFT])
1166 gtk_widget_queue_resize(
1167 current_panel[PANEL_LEFT]->window);
1168 }
1169
1170 /* Stop windows from maximising over all/part of us */
1171 {
1172 struct {
1173 gulong left, right, top, bottom;
1174 gulong left_start_y, left_end_y;
1175 gulong right_start_y, right_end_y;
1176 gulong top_start_x, top_end_x;
1177 gulong bottom_start_x, bottom_end_x;
1178 } strut = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
1179
1180 if (o_panel_avoid.int_value == FALSE)
1181 thickness = 2;
1182 else if (panel->side == PANEL_TOP ||
1183 panel->side == PANEL_BOTTOM)
1184 thickness = alloc->height;
1185 else
1186 thickness = alloc->width;
1187
1188 switch (panel->side)
1189 {
1190 case PANEL_LEFT:
1191 if (!o_panel_xinerama.int_value ||
1192 !monitor_adjacent
1193 [o_panel_monitor.int_value].left)
1194 {
1195 strut.left = panel_geometry.x +
1196 thickness;
1197 strut.left_start_y = panel_geometry.y;
1198 strut.left_end_y = panel_geometry.y +
1199 panel_geometry.height - 1;
1200 }
1201 /* else there is (part of) a monitor
1202 * to the left */
1203 else
1204 {
1205 thickness = 0;
1206 }
1207 break;
1208 case PANEL_RIGHT:
1209 if (!o_panel_xinerama.int_value ||
1210 !monitor_adjacent
1211 [o_panel_monitor.int_value].right)
1212 {
1213 /* RHS of monitor might not abut edge
1214 * of total virtual screen */
1215 strut.right = screen_width -
1216 panel_geometry.x -
1217 panel_geometry.width +
1218 thickness;
1219 strut.right_start_y = panel_geometry.y;
1220 strut.right_end_y = panel_geometry.y +
1221 panel_geometry.height - 1;
1222 }
1223 /* else there is (part of) a monitor
1224 * to the right */
1225 else
1226 {
1227 thickness = 0;
1228 }
1229 break;
1230 case PANEL_TOP:
1231 if (!o_panel_xinerama.int_value ||
1232 !monitor_adjacent
1233 [o_panel_monitor.int_value].top)
1234 {
1235 strut.top = panel_geometry.y +
1236 thickness;
1237 strut.top_start_x = panel_geometry.x;
1238 strut.top_end_x = panel_geometry.x +
1239 panel_geometry.width - 1;
1240 }
1241 /* else there is (part of) a monitor above */
1242 else
1243 {
1244 thickness = 0;
1245 }
1246 break;
1247 default: /* PANEL_BOTTOM */
1248 if (!o_panel_xinerama.int_value ||
1249 !monitor_adjacent
1250 [o_panel_monitor.int_value].bottom)
1251 {
1252 /* Bottom of monitor might not abut
1253 * edge of total virtual screen */
1254 strut.bottom = screen_height -
1255 panel_geometry.y -
1256 panel_geometry.height +
1257 thickness;
1258 strut.bottom_start_x = panel_geometry.x;
1259 strut.bottom_end_x = panel_geometry.x +
1260 panel_geometry.width - 1;
1261 }
1262 /* else there is (part of) a monitor below */
1263 else
1264 {
1265 thickness = 0;
1266 }
1267 break;
1268 }
1269
1270 if (thickness)
1271 {
1272 /* Set full-width strut as well as partial in case
1273 * partial isn't supported by wm */
1274 gdk_property_change(panel->window->window,
1275 gdk_atom_intern("_NET_WM_STRUT",
1276 FALSE),
1277 gdk_atom_intern("CARDINAL", FALSE),
1278 32, GDK_PROP_MODE_REPLACE,
1279 (gchar *) &strut, 4);
1280 gdk_property_change(panel->window->window,
1281 gdk_atom_intern("_NET_WM_STRUT_PARTIAL",
1282 FALSE),
1283 gdk_atom_intern("CARDINAL", FALSE),
1284 32, GDK_PROP_MODE_REPLACE,
1285 (gchar *) &strut, 12);
1286 }
1287 else
1288 {
1289 gdk_property_delete(panel->window->window,
1290 gdk_atom_intern("_NET_WM_STRUT_PARTIAL",
1291 FALSE));
1292 gdk_property_delete(panel->window->window,
1293 gdk_atom_intern("_NET_WM_STRUT",
1294 FALSE));
1295 }
1296 }
1297
1298 }
1299
1300 /* Same as drag_set_dest(), but for panel icons */
1301 static void drag_set_panel_dest(PanelIcon *pi)
1302 {
1303 GtkWidget *obj = pi->widget;
1304
1305 make_drop_target(pi->widget, 0);
1306
1307 g_signal_connect(obj, "drag_motion", G_CALLBACK(drag_motion), pi);
1308 g_signal_connect(obj, "drag_leave", G_CALLBACK(drag_leave), pi);
1309 g_signal_connect(obj, "drag_end", G_CALLBACK(drag_end), pi);
1310 }
1311
1312 static gboolean drag_motion(GtkWidget *widget,
1313 GdkDragContext *context,
1314 gint x,
1315 gint y,
1316 guint time,
1317 PanelIcon *pi)
1318 {
1319 GdkDragAction action = context->suggested_action;
1320 const char *type = NULL;
1321 Icon *icon = (Icon *) pi;
1322 DirItem *item = icon->item;
1323 int panel_x, panel_y;
1324
1325 gdk_window_get_pointer(pi->panel->window->window,
1326 &panel_x, &panel_y, NULL);
1327 motion_may_raise(pi->panel, panel_x, panel_y);
1328
1329 /* Should we scroll the panel when dragging? */
1330 if (motion_state != MOTION_REPOSITION)
1331 if (pi->panel->autoscroll_speed == 0)
1332 may_autoscroll(pi->panel);
1333
1334 if (icon->selected)
1335 goto out; /* Can't drag a selection to itself */
1336
1337 type = dnd_motion_item(context, &item);
1338
1339 if ((context->actions & GDK_ACTION_ASK) && o_dnd_left_menu.int_value
1340 && type != drop_dest_prog)
1341 {
1342 guint state;
1343 gdk_window_get_pointer(NULL, NULL, NULL, &state);
1344 if (state & GDK_BUTTON1_MASK)
1345 action = GDK_ACTION_ASK;
1346 }
1347
1348 if (!item)
1349 type = NULL;
1350 out:
1351 /* We actually must pretend to accept the drop, even if the
1352 * directory isn't writeable, so that the spring-opening
1353 * thing works.
1354 */
1355
1356 /* Don't allow drops to non-writeable directories */
1357 if (o_dnd_spring_open.int_value == FALSE &&
1358 type == drop_dest_dir &&
1359 access(icon->path, W_OK) != 0)
1360 {
1361 type = NULL;
1362 }
1363
1364 g_dataset_set_data(context, "drop_dest_type", (gpointer) type);
1365 if (type)
1366 {
1367 gdk_drag_status(context, action, time);
1368 g_dataset_set_data_full(context, "drop_dest_path",
1369 g_strdup(icon->path), g_free);
1370 if (type == drop_dest_dir)
1371 dnd_spring_load(context, NULL);
1372
1373 if (dnd_highlight && dnd_highlight != pi->widget)
1374 {
1375 gtk_drag_unhighlight(dnd_highlight);
1376 dnd_highlight = NULL;
1377 }
1378
1379 if (dnd_highlight == NULL)
1380 {
1381 gtk_drag_highlight(pi->widget);
1382 dnd_highlight = pi->widget;
1383 }
1384 }
1385
1386 return type != NULL;
1387 }
1388
1389
1390 static void add_uri_list(GtkWidget *widget,
1391 GdkDragContext *context,
1392 gint x,
1393 gint y,
1394 GtkSelectionData *selection_data,
1395 guint info,
1396 guint32 time,
1397 Panel *panel)
1398 {
1399 gboolean after = FALSE;
1400 GList *uris, *next;
1401
1402 if (!selection_data->data)
1403 return;
1404
1405 g_return_if_fail(selection_data->data[selection_data->length] == '\0');
1406
1407 if (g_object_get_data(G_OBJECT(widget), "after"))
1408 after = TRUE;
1409
1410 uris = uri_list_to_glist(selection_data->data);
1411
1412 for (next = uris; next; next = next->next)
1413 {
1414 guchar *path;
1415
1416 path = get_local_path((EscapedPath *) next->data);
1417
1418 if (path) {
1419 panel_add_item(panel, path, NULL, after, NULL, NULL, FALSE);
1420 g_free(path);
1421 }
1422 }
1423
1424 g_list_free(uris);
1425 }
1426
1427 static void drag_end(GtkWidget *widget,
1428 GdkDragContext *context,
1429 Icon *icon)
1430 {
1431 if (tmp_icon_selected)
1432 {
1433 icon_select_only(NULL);
1434 tmp_icon_selected = FALSE;
1435 }
1436 }
1437
1438 static void drag_leave(GtkWidget *widget,
1439 GdkDragContext *context,
1440 guint32 time,
1441 Icon *icon)
1442 {
1443 panel_drag_leave(widget, context, time, ((PanelIcon *) icon)->panel);
1444
1445 if (dnd_highlight && dnd_highlight == widget)
1446 {
1447 gtk_drag_unhighlight(dnd_highlight);
1448 dnd_highlight = NULL;
1449 }
1450
1451 dnd_spring_abort();
1452 }
1453
1454 /* Create XML icon nodes for these widgets.
1455 * Always frees the widgets list.
1456 */
1457 static void make_widgets(xmlNodePtr side, GList *widgets)
1458 {
1459 GList *next;
1460
1461 for (next = widgets; next; next = next->next)
1462 {
1463 Icon *icon;
1464 xmlNodePtr tree;
1465
1466 icon = g_object_get_data(G_OBJECT(next->data), "icon");
1467
1468 if (!icon)
1469 {
1470 g_warning("Can't find Icon from widget\n");
1471 continue;
1472 }
1473
1474 tree = xmlNewTextChild(side, NULL, "icon", icon->src_path);
1475
1476 xmlSetProp(tree, "label", icon->item->leafname);
1477 if (icon->shortcut)
1478 xmlSetProp(tree, "shortcut", icon->shortcut);
1479 if (icon->args)
1480 xmlSetProp(tree, "args", icon->args);
1481 if (icon->locked)
1482 xmlSetProp(tree, "locked", "true");
1483 }
1484
1485 if (widgets)
1486 g_list_free(widgets);
1487 }
1488
1489 void panel_save(Panel *panel)
1490 {
1491 xmlDocPtr doc;
1492 xmlNodePtr root;
1493 guchar *save = NULL;
1494 guchar *save_new = NULL;
1495
1496 g_return_if_fail(panel != NULL);
1497
1498 if (strchr(panel->name, '/'))
1499 save = g_strdup(panel->name);
1500 else
1501 {
1502 guchar *leaf;
1503
1504 leaf = g_strconcat("pan_", panel->name, NULL);
1505 save = choices_find_xdg_path_save(leaf, PROJECT, SITE, TRUE);
1506 g_free(leaf);
1507 }
1508
1509 if (!save)
1510 return;
1511
1512 doc = xmlNewDoc("1.0");
1513 xmlDocSetRootElement(doc, xmlNewDocNode(doc, NULL, "panel", NULL));
1514
1515 root = xmlDocGetRootElement(doc);
1516
1517 xmlSetProp(root, "side",
1518 panel->side == PANEL_TOP ? "Top" :
1519 panel->side == PANEL_BOTTOM ? "Bottom" :
1520 panel->side == PANEL_LEFT ? "Left" :
1521 "Right");
1522
1523 make_widgets(xmlNewChild(root, NULL, "start", NULL),
1524 gtk_container_get_children(GTK_CONTAINER(panel->before)));
1525
1526 make_widgets(xmlNewChild(root, NULL, "end", NULL),
1527 g_list_reverse(gtk_container_get_children(
1528 GTK_CONTAINER(panel->after))));
1529
1530 save_new = g_strconcat(save, ".new", NULL);
1531 if (save_xml_file(doc, save_new) || rename(save_new, save))
1532 delayed_error(_("Error saving panel %s: %s"),
1533 save, g_strerror(errno));
1534 g_free(save_new);
1535
1536 g_free(save);
1537 if (doc)
1538 xmlFreeDoc(doc);
1539 }
1540
1541 /* Create a frame widget which can be used to add icons to the panel */
1542 static GtkWidget *make_insert_frame(Panel *panel)
1543 {
1544 GtkWidget *frame;
1545 GtkTargetEntry target_table[] = {
1546 {"text/uri-list", 0, TARGET_URI_LIST},
1547 };
1548
1549 frame = gtk_frame_new(NULL);
1550 gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_NONE);
1551 gtk_widget_set_size_request(frame, 16, 16);
1552
1553 g_signal_connect(frame, "drag-motion",
1554 G_CALLBACK(insert_drag_motion), panel);
1555 g_signal_connect(frame, "drag-leave",
1556 G_CALLBACK(panel_drag_leave), panel);
1557
1558 g_signal_connect(frame, "drag-data-received",
1559 G_CALLBACK(add_uri_list), panel);
1560 gtk_drag_dest_set(frame,
1561 GTK_DEST_DEFAULT_ALL,
1562 target_table,
1563 sizeof(target_table) / sizeof(*target_table),
1564 GDK_ACTION_COPY);
1565
1566 return frame;
1567 }
1568
1569 static gboolean enter_icon(GtkWidget *widget,
1570 GdkEventCrossing *event,
1571 Icon *icon)
1572 {
1573 icon_may_update(icon);
1574 panel_icon_set_tip((PanelIcon *) icon);
1575
1576 return FALSE;
1577 }
1578
1579 static gint panel_leave_event(GtkWidget *widget,
1580 GdkEventCrossing *event,
1581 Panel *panel)
1582 {
1583 GdkWindow *pinboard;
1584
1585 if (event->mode != GDK_CROSSING_NORMAL)
1586 return FALSE; /* Grab for menu, DnD, etc */
1587
1588 keep_below(panel->window->window, TRUE);
1589
1590 /* Shouldn't need this as well as keep_below but some WMs don't
1591 * automatically lower as soon as the hint is set */
1592 pinboard = pinboard_get_window();
1593 window_put_just_above(panel->window->window, pinboard);
1594
1595 return FALSE;
1596 }
1597
1598 /* If (x, y) is at the edge of the panel then raise */
1599 static void motion_may_raise(Panel *panel, int x, int y)
1600 {
1601 gboolean raise;
1602
1603 if (panel->side == PANEL_TOP)
1604 raise = y == 0;
1605 else if (panel->side == PANEL_BOTTOM)
1606 raise = y == panel->window->allocation.height - 1;
1607 else if (panel->side == PANEL_LEFT)
1608 raise = x == 0;
1609 else
1610 raise = x == panel->window->allocation.width - 1;
1611
1612 if (raise)
1613 {
1614 keep_below(panel->window->window, FALSE);
1615
1616 /* Shouldn't need this as well as keep_below but some WMs don't
1617 * automatically raise as soon as the hint is set */
1618 gdk_window_raise(panel->window->window);
1619 }
1620 }
1621
1622 static gboolean may_autoscroll(Panel *panel)
1623 {
1624 gboolean horz = panel->side == PANEL_TOP || panel->side == PANEL_BOTTOM;
1625 gint max, panel_x, panel_y, delta, new;
1626
1627 if (panel->adj->upper <= panel->adj->page_size)
1628 goto stop_scrolling; /* Can see everything already */
1629
1630 gdk_window_get_pointer(panel->window->window, &panel_x, &panel_y, NULL);
1631
1632 if (horz)
1633 {
1634 delta = panel_x;
1635 max = panel->window->allocation.width;
1636 if (panel_y < 0 || panel_y > panel->window->allocation.height)
1637 goto stop_scrolling; /* Not over the panel */
1638 }
1639 else
1640 {
1641 delta = panel_y;
1642 max = panel->window->allocation.height;
1643 if (panel_x < 0 || panel_x > panel->window->allocation.width)
1644 goto stop_scrolling; /* Not over the panel */
1645 }
1646
1647 if (delta >= 20 && delta <= max - 20)
1648 goto stop_scrolling; /* Not at either end */
1649
1650 panel->autoscroll_speed = MIN(panel->autoscroll_speed + 2, 200);
1651
1652 new = panel->adj->value - ((delta < 20) ? panel->autoscroll_speed
1653 : -panel->autoscroll_speed);
1654 new = CLAMP(new, 0, panel->adj->upper - panel->adj->page_size);
1655 gtk_adjustment_set_value(panel->adj, new);
1656
1657 panel->autoscroll_to = g_timeout_add(40,
1658 (GSourceFunc) may_autoscroll, panel);
1659
1660 return FALSE;
1661
1662 stop_scrolling:
1663 panel->autoscroll_speed = 0;
1664 return FALSE;
1665 }
1666
1667 static gint panel_motion_event(GtkWidget *widget,
1668 GdkEventMotion *event,
1669 Panel *panel)
1670 {
1671 motion_may_raise(panel, event->x, event->y);
1672
1673 if (motion_state != MOTION_REPOSITION)
1674 if (panel->autoscroll_speed == 0)
1675 may_autoscroll(panel);
1676
1677 return FALSE;
1678 }
1679
1680 static gint icon_motion_event(GtkWidget *widget,
1681 GdkEventMotion *event,
1682 PanelIcon *pi)
1683 {
1684 Panel *panel = pi->panel;
1685 GList *list, *me;
1686 gboolean horz = panel->side == PANEL_TOP || panel->side == PANEL_BOTTOM;
1687 int val;
1688 int dir = 0;
1689
1690 if (motion_state == MOTION_READY_FOR_DND)
1691 {
1692 if (dnd_motion_moved(event))
1693 start_drag(pi, event);
1694 return TRUE;
1695 }
1696 else if (motion_state != MOTION_REPOSITION)
1697 return FALSE;
1698
1699 list = gtk_container_get_children(GTK_CONTAINER(panel->before));
1700 list = g_list_append(list, NULL); /* The gap in the middle */
1701 list = g_list_concat(list,
1702 gtk_container_get_children(GTK_CONTAINER(panel->after)));
1703 me = g_list_find(list, widget);
1704
1705 g_return_val_if_fail(me != NULL, TRUE);
1706
1707 val = horz ? event->x_root : event->y_root;
1708
1709 if (me->prev)
1710 {
1711 GtkWidget *prev;
1712 int x, y;
1713
1714 if (me->prev->data)
1715 prev = GTK_WIDGET(me->prev->data);
1716 else
1717 prev = panel->gap;
1718
1719 gdk_window_get_origin(prev->window, &x, &y);
1720
1721 if (val <= (horz ? x : y))
1722 dir = -1;
1723 }
1724
1725 if (dir == 0 && me->next)
1726 {
1727 GtkWidget *next;
1728 int x, y, w, h;
1729
1730 if (me->next->data)
1731 next = GTK_WIDGET(me->next->data);
1732 else
1733 next = panel->gap;
1734
1735 gdk_window_get_origin(next->window, &x, &y);
1736
1737 gdk_drawable_get_size(next->window, &w, &h);
1738
1739 x += w;
1740 y += h;
1741
1742 if (val >= (horz ? x : y)-1)
1743 {
1744 if (next == panel->gap)
1745 dir = +2;
1746 else
1747 dir = +1;
1748 }
1749 }
1750
1751 if (dir)
1752 reposition_icon(pi, g_list_index(list, widget) + dir);
1753
1754 return TRUE;
1755 }
1756
1757 static void reposition_icon_on_side(GtkWidget *side, GtkWidget *widget,
1758 int index)
1759 {
1760 GList *list;
1761
1762 list = gtk_container_get_children(GTK_CONTAINER(side));
1763
1764 /* Want to move icon to the list in the given 'side'. Is it there
1765 * already?
1766 */
1767
1768 if (!g_list_find(list, widget))
1769 {
1770 /* No, reparent */
1771 gtk_grab_remove(widget);
1772 gtk_widget_reparent(widget, side);
1773 dnd_motion_grab_pointer();
1774 gtk_grab_add(widget);
1775 }
1776
1777 gtk_box_reorder_child(GTK_BOX(side), widget, index);
1778
1779 g_list_free(list);
1780 }
1781
1782 /* Move icon to this index in the complete widget list.
1783 * 0 makes the icon the left-most icon. The gap in the middle has
1784 * an index number, which allows you to specify that the icon should
1785 * go on the left or right side.
1786 */
1787 static void reposition_icon(PanelIcon *pi, int index)
1788 {
1789 Panel *panel = pi->panel;
1790 GtkWidget *widget = pi->widget;
1791 GList *list;
1792 int before_len;
1793
1794 list = gtk_container_get_children(GTK_CONTAINER(panel->before));
1795 before_len = g_list_length(list);
1796 g_list_free(list);
1797
1798 if (index <= before_len)
1799 reposition_icon_on_side(panel->before, widget, index);
1800 else
1801 reposition_icon_on_side(panel->after, widget,
1802 index - (before_len + 1));
1803
1804 panel_save(panel);
1805 }
1806
1807 static void start_drag(PanelIcon *pi, GdkEventMotion *event)
1808 {
1809 GtkWidget *widget = pi->widget;
1810 Icon *icon = (Icon *) pi;
1811
1812 if (!icon->selected)
1813 {
1814 if (event->state & GDK_BUTTON1_MASK)
1815 {
1816 /* Select just this one */
1817 icon_select_only(icon);
1818 tmp_icon_selected = TRUE;
1819 }
1820 else
1821 icon_set_selected(icon, TRUE);
1822 }
1823
1824 g_return_if_fail(icon_selection != NULL);
1825
1826 if (icon_selection->next == NULL)
1827 drag_one_item(widget, event, icon->path, icon->item, NULL);
1828 else
1829 {
1830 guchar *uri_list;
1831
1832 uri_list = icon_create_uri_list();
1833 drag_selection(widget, event, uri_list);
1834 g_free(uri_list);
1835 }
1836 }
1837
1838 static void applet_died(GtkWidget *socket)
1839 {
1840 gboolean never_plugged;
1841
1842 never_plugged = (!g_object_get_data(G_OBJECT(socket), "lost_plug"))
1843 && !GTK_SOCKET(socket)->plug_window;
1844
1845 if (never_plugged)
1846 {
1847 report_error(
1848 _("Applet quit without ever creating a widget!"));
1849 gtk_widget_destroy(socket);
1850 }
1851
1852 gtk_widget_unref(socket);
1853 }
1854
1855 static void socket_destroyed(GtkWidget *socket, GtkWidget *widget)
1856 {
1857 g_object_set_data(G_OBJECT(socket), "lost_plug", "yes");
1858
1859 gtk_widget_unref(socket);
1860
1861 gtk_widget_destroy(widget); /* Remove from panel */
1862
1863 if (!closing_panel)
1864 panel_save(g_object_get_data(G_OBJECT(socket), "panel"));
1865 }
1866
1867 /* Try to run this applet.
1868 * Cases:
1869 *
1870 * - No executable AppletRun:
1871 * icon->socket == NULL (unchanged) on return.
1872 *
1873 * Otherwise, create socket (setting icon->socket) and ref it twice.
1874 *
1875 * - AppletRun quits without connecting a plug:
1876 * On child death lost_plug is unset and socket is empty.
1877 * Unref socket.
1878 * Report error and destroy widget (to 'socket destroyed').
1879 *
1880 * - AppletRun quits while plug is in socket:
1881 * Unref socket once. Socket will be destroyed later.
1882 *
1883 * - Socket is destroyed.
1884 * Set lost_plug = "yes" and remove widget from panel.
1885 * Unref socket.
1886 */
1887 static void run_applet(PanelIcon *pi)
1888 {
1889 GError *error = NULL;
1890 char *argv[3];
1891 gint pid;
1892 Icon *icon = (Icon *) pi;
1893
1894 argv[0] = (char *) make_path(icon->path, "AppletRun");
1895
1896 if (access(argv[0], X_OK) != 0)
1897 return;
1898
1899 pi->socket = gtk_socket_new();
1900
1901 gtk_container_add(GTK_CONTAINER(pi->widget), pi->socket);
1902 gtk_widget_show_all(pi->socket);
1903 gtk_widget_realize(pi->socket);
1904
1905 /* Always get button-2 events so we can drag */
1906 XGrabButton(gdk_display, Button2, AnyModifier,
1907 GDK_WINDOW_XWINDOW(pi->socket->window),
1908 False,
1909 ButtonPressMask | ButtonReleaseMask | Button2MotionMask,
1910 GrabModeAsync, /* Pointer */
1911 GrabModeAsync, /* Keyboard */
1912 None, None);
1913
1914 {
1915 gchar *pos;
1916 PanelSide side = pi->panel->side;
1917
1918 /* Set a hint to let applets position their menus correctly */
1919 pos = g_strdup_printf("%s,%d",
1920 side == PANEL_TOP ? "Top" :
1921 side == PANEL_BOTTOM ? "Bottom" :
1922 side == PANEL_LEFT ? "Left" :
1923 "Right", MENU_MARGIN(side));
1924 gdk_property_change(pi->socket->window,
1925 gdk_atom_intern("_ROX_PANEL_MENU_POS", FALSE),
1926 gdk_atom_intern("STRING", FALSE),
1927 8, GDK_PROP_MODE_REPLACE,
1928 pos, strlen(pos));
1929 g_free(pos);
1930
1931 /* Ensure that the properties are set before starting the
1932 * applet.
1933 */
1934 gdk_flush();
1935 }
1936
1937 g_object_set_data(G_OBJECT(pi->widget), "icon", pi);
1938 g_object_set_data(G_OBJECT(pi->socket), "panel", pi->panel);
1939
1940 argv[1] = g_strdup_printf("%ld",
1941 GDK_WINDOW_XWINDOW(pi->socket->window));
1942 argv[2] = NULL;
1943
1944 if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
1945 NULL, NULL, &pid, &error))
1946 {
1947 delayed_error(_("Error running applet:\n%s"), error->message);
1948 g_error_free(error);
1949 gtk_widget_destroy(pi->socket);
1950 pi->socket = NULL;
1951 }
1952 else
1953 {
1954 gtk_widget_ref(pi->socket);
1955 on_child_death(pid, (CallbackFn) applet_died, pi->socket);
1956
1957 gtk_widget_ref(pi->socket);
1958 g_signal_connect(pi->socket, "destroy",
1959 G_CALLBACK(socket_destroyed), pi->widget);
1960 }
1961
1962 g_free(argv[1]);
1963 }
1964
1965 static void panel_post_resize(GtkWidget *win, GtkRequisition *req, Panel *panel)
1966 {
1967 if (panel->side == PANEL_TOP || panel->side == PANEL_BOTTOM)
1968 {
1969 req->width = panel_geometry.width;
1970 req->height += EDGE_WIDTH;
1971 }
1972 else
1973 {
1974 int h = panel_geometry.height;
1975
1976 if (current_panel[PANEL_TOP])
1977 {
1978 GtkWidget *win = current_panel[PANEL_TOP]->window;
1979 h -= win->allocation.height;
1980 }
1981
1982 if (current_panel[PANEL_BOTTOM])
1983 {
1984 GtkWidget *win = current_panel[PANEL_BOTTOM]->window;
1985 h -= win->allocation.height;
1986 }
1987
1988 req->height = h;
1989 req->width += EDGE_WIDTH;
1990 }
1991 }
1992
1993 static void update_side(GtkWidget *side)
1994 {
1995 GList *kids, *next;
1996
1997 kids = gtk_container_get_children(GTK_CONTAINER(side));
1998 for (next = kids; next; next = next->next)
1999 {
2000 PanelIcon *pi;
2001 pi = g_object_get_data(next->data, "icon");
2002 panel_icon_set_tip(pi);
2003 }
2004 g_list_free(kids);
2005 }
2006
2007 /* Tips or style has changed -- update everything on this panel */
2008 static void panel_set_style(Panel *panel)
2009 {
2010 update_side(panel->before);
2011 update_side(panel->after);
2012 gtk_widget_queue_resize(panel->window);
2013 }
2014
2015 static gboolean recreate_panels(char **names)
2016 {
2017 int i;
2018
2019 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
2020 {
2021 if (names[i])
2022 {
2023 panel_new(names[i], i);
2024 g_free(names[i]);
2025 }
2026 }
2027
2028 g_free(names);
2029
2030 return FALSE;
2031 }
2032
2033 static void update_side_size(GtkWidget *side)
2034 {
2035 GList *kids, *next;
2036
2037 kids = gtk_container_get_children(GTK_CONTAINER(side));
2038 for (next = kids; next; next = next->next)
2039 {
2040 PanelIcon *pi;
2041 pi = g_object_get_data(next->data, "icon");
2042 gtk_widget_queue_resize(pi->widget);
2043 }
2044 g_list_free(kids);
2045 }
2046
2047 /* Update panel size and redraw */
2048 static void panel_update(Panel *panel)
2049 {
2050 update_side_size(panel->before);
2051 update_side_size(panel->after);
2052 gtk_widget_queue_resize(panel->window);
2053 gtk_widget_queue_draw(panel->window);
2054 }
2055
2056 static void panel_style_changed(void)
2057 {
2058 int i;
2059
2060 if (o_override_redirect.has_changed)
2061 {
2062 gchar **names;
2063
2064 names = g_new(char *, PANEL_NUMBER_OF_SIDES);
2065
2066 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
2067 {
2068 Panel *panel = current_panel[i];
2069 names[i] = panel ? g_strdup(panel->name) : NULL;
2070 panel_new(NULL, i);
2071 }
2072
2073 g_idle_add((GtkFunction) recreate_panels, names);
2074 }
2075
2076 if (o_panel_style.has_changed)
2077 {
2078 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
2079 {
2080 if (current_panel[i])
2081 panel_set_style(current_panel[i]);
2082 }
2083 }
2084 if (o_panel_width.has_changed)
2085 {
2086 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
2087 {
2088 if (current_panel[i])
2089 panel_update(current_panel[i]);
2090 }
2091 }
2092
2093 if (o_panel_xinerama.has_changed || o_panel_monitor.has_changed ||
2094 o_panel_avoid.has_changed)
2095 {
2096 if (panel_check_xinerama() || o_panel_avoid.has_changed)
2097 {
2098 for (i = 0; i < PANEL_NUMBER_OF_SIDES; i++)
2099 {
2100 if (current_panel[i])
2101 {
2102 reposition_panel(
2103 current_panel[i]->window,
2104 &current_panel[i]->
2105 window->allocation,
2106 current_panel[i]);
2107 gtk_widget_queue_resize(
2108 current_panel[i]->window);
2109 }
2110 }
2111 }
2112 }
2113 }
2114
2115 static gboolean draw_panel_edge(GtkWidget *widget, GdkEventExpose *event,
2116 Panel *panel)
2117 {
2118 int x, y, width, height;
2119
2120 if (panel->side == PANEL_TOP || panel->side == PANEL_BOTTOM)
2121 {
2122 width = panel_geometry.width;
2123 height = EDGE_WIDTH;
2124
2125 x = 0;
2126 if (panel->side == PANEL_BOTTOM)
2127 y = 0;
2128 else
2129 y = widget->allocation.height - EDGE_WIDTH;
2130 }
2131 else
2132 {
2133 width = EDGE_WIDTH;
2134 height = panel_geometry.height;
2135
2136 y = 0;
2137 if (panel->side == PANEL_RIGHT)
2138 x = 0;
2139 else
2140 x = widget->allocation.width - EDGE_WIDTH;
2141 }
2142
2143 gdk_draw_rectangle(widget->window,
2144 widget->style->fg_gc[GTK_STATE_NORMAL], TRUE,
2145 x, y, width, height);
2146
2147 return FALSE;
2148 }
2149
2150 static gpointer parent_class;
2151
2152 static void panel_icon_destroy(Icon *icon)
2153 {
2154 PanelIcon *pi = (PanelIcon *) icon;
2155
2156 g_return_if_fail(pi != NULL);
2157
2158 if (pi->image)
2159 g_object_unref(pi->image);
2160
2161 g_return_if_fail(pi->widget != NULL);
2162
2163 gtk_widget_destroy(pi->widget);
2164 }
2165
2166 static void panel_remove_items(void)
2167 {
2168 Panel *panel;
2169
2170 g_return_if_fail(icon_selection != NULL);
2171
2172 panel = ((PanelIcon *) icon_selection->data)->panel;
2173
2174 while (icon_selection)
2175 icon_destroy((Icon *) icon_selection->data);
2176
2177 panel_save(panel);
2178 }
2179
2180 /* Icon's size, shape or appearance has changed - update the display */
2181 static void panel_icon_redraw(Icon *icon)
2182 {
2183 PanelIcon *pi = (PanelIcon *) icon;
2184
2185 gtk_widget_set_state(pi->widget,
2186 icon->selected ? GTK_STATE_SELECTED
2187 : GTK_STATE_NORMAL);
2188
2189 /* Will regenerate the scaled icon from the new image */
2190 gtk_widget_queue_resize(pi->widget);
2191
2192 panel_icon_set_tip((PanelIcon *) icon);
2193 }
2194
2195 static void panel_icon_update(Icon *icon)
2196 {
2197 PanelIcon *pi = (PanelIcon *) icon;
2198
2199 gtk_widget_queue_draw(pi->widget);
2200 gtk_label_set_text(GTK_LABEL(pi->label), icon->item->leafname);
2201 panel_save(pi->panel);
2202 }
2203
2204 /* The point of this is to clear the selection if the existing icons
2205 * aren't from the same panel...
2206 */
2207 static gboolean panel_icon_same_group(Icon *icon, Icon *other)
2208 {
2209 if (IS_PANEL_ICON(other))
2210 {
2211 PanelIcon *a = (PanelIcon *) icon;
2212 PanelIcon *b = (PanelIcon *) other;
2213
2214 return a->panel == b->panel;
2215 }
2216 else
2217 return FALSE;
2218 }
2219
2220 static void panel_icon_class_init(gpointer gclass, gpointer data)
2221 {
2222 IconClass *icon = (IconClass *) gclass;
2223
2224 parent_class = g_type_class_peek_parent(gclass);
2225
2226 icon->destroy = panel_icon_destroy;
2227 icon->redraw = panel_icon_redraw;
2228 icon->update = panel_icon_update;
2229 icon->remove_items = panel_remove_items;
2230 icon->same_group = panel_icon_same_group;
2231 icon->wink = panel_icon_wink;
2232 }
2233
2234 static void panel_icon_init(GTypeInstance *object, gpointer gclass)
2235 {
2236 PanelIcon *pi = (PanelIcon *) object;
2237
2238 pi->widget = NULL;
2239 pi->image = NULL;
2240 pi->label = NULL;
2241 pi->socket = NULL;
2242 pi->style = TEXT_UNDER_ICON;
2243 }
2244
2245 static GType panel_icon_get_type(void)
2246 {
2247 static GType type = 0;
2248
2249 if (!type)
2250 {
2251 static const GTypeInfo info =
2252 {
2253 sizeof (PanelIconClass),
2254 NULL, /* base_init */
2255 NULL, /* base_finalise */
2256 panel_icon_class_init,
2257 NULL, /* class_finalise */
2258 NULL, /* class_data */
2259 sizeof(PanelIcon),
2260 0, /* n_preallocs */
2261 panel_icon_init
2262 };
2263
2264 type = g_type_register_static(icon_get_type(),
2265 "PanelIcon", &info, 0);
2266 }
2267
2268 return type;
2269 }
2270
2271 static PanelIcon *panel_icon_new(Panel *panel,
2272 const char *pathname,
2273 const char *name)
2274 {
2275 PanelIcon *pi;
2276 Icon *icon;
2277
2278 pi = g_object_new(panel_icon_get_type(), NULL);
2279 icon = (Icon *) pi;
2280
2281 icon_set_path(icon, pathname, name);
2282 pi->panel = panel;
2283
2284 return pi;
2285 }
2286
2287 static gboolean panel_want_show_text(PanelIcon *pi)
2288 {
2289 Icon *icon = (Icon *) pi;
2290
2291 if (!icon->item->leafname[0])
2292 return FALSE;
2293
2294 if (o_panel_style.int_value == SHOW_BOTH)
2295 return TRUE;
2296 if (o_panel_style.int_value == SHOW_ICON)
2297 return FALSE;
2298
2299 if (icon->item->flags & ITEM_FLAG_APPDIR)
2300 return FALSE;
2301
2302 if (EXECUTABLE_FILE(icon->item))
2303 return FALSE;
2304
2305 return TRUE;
2306 }
2307
2308 static void panel_position_menu(GtkMenu *menu, gint *x, gint *y,
2309 gboolean *push_in, gpointer data)
2310 {
2311 int *pos = (int *) data;
2312 GtkRequisition requisition;
2313 int margin = pos[2];
2314 int mon = pos[3];
2315 int mon_right = monitor_geom[mon].x +
2316 monitor_geom[mon].width;
2317 int mon_bottom = monitor_geom[mon].y +
2318 monitor_geom[mon].height;
2319
2320 gtk_widget_size_request(GTK_WIDGET(menu), &requisition);
2321
2322 if (pos[0] == -1)
2323 *x = mon_right - margin - requisition.width;
2324 else if (pos[0] == -2)
2325 *x = monitor_geom[mon].x + margin;
2326 else
2327 *x = pos[0] - (requisition.width >> 2);
2328
2329 if (pos[1] == -1)
2330 *y = mon_bottom - margin - requisition.height;
2331 else if (pos[1] == -2)
2332 *y = monitor_geom[mon].y + margin;
2333 else
2334 *y = pos[1] - (requisition.height >> 2);
2335
2336 *x = CLAMP(*x, 0, mon_right - requisition.width);
2337 *y = CLAMP(*y, 0, mon_bottom - requisition.height);
2338
2339 *push_in = FALSE;
2340 }
2341
2342 static void panel_show_menu(GdkEventButton *event, PanelIcon *pi, Panel *panel)
2343 {
2344 GtkWidget *option_item;
2345 PanelSide side = panel->side;
2346 int pos[4];
2347
2348 pos[0] = event->x_root;
2349 pos[1] = event->y_root;
2350 pos[2] = MENU_MARGIN(side);
2351 /* FIXME: Should we read screen from event's window rather than
2352 * using default? */
2353 pos[3] = gdk_screen_get_monitor_at_point(
2354 gdk_screen_get_default(),
2355 event->x_root, event->y_root);
2356
2357 option_item = gtk_image_menu_item_new_with_label(_("Panel Options..."));
2358 g_signal_connect_swapped(option_item, "activate",
2359 G_CALLBACK(panel_show_options),
2360 GINT_TO_POINTER(panel->side));
2361
2362 icon_prepare_menu((Icon *) pi, option_item);
2363
2364 if (side == PANEL_LEFT)
2365 pos[0] = -2;
2366 else if (side == PANEL_RIGHT)
2367 pos[0] = -1;
2368
2369 if (side == PANEL_TOP)
2370 pos[1] = -2;
2371 else if (side == PANEL_BOTTOM)
2372 pos[1] = -1;
2373
2374 gtk_menu_popup(GTK_MENU(icon_menu), NULL, NULL,
2375 panel_position_menu,
2376 (gpointer) pos, event->button, event->time);
2377 }
2378
2379 /* Note: also called from icon handler */
2380 static gboolean panel_drag_motion(GtkWidget *widget,
2381 GdkDragContext *context,
2382 gint x,
2383 gint y,
2384 guint time,
2385 Panel *panel)
2386 {
2387 int panel_x, panel_y;
2388
2389 gdk_window_get_pointer(panel->window->window, &panel_x, &panel_y, NULL);
2390
2391 motion_may_raise(panel, panel_x, panel_y);
2392 gdk_drag_status(context, 0, time);
2393
2394 return TRUE;
2395 }
2396
2397 static gboolean insert_drag_motion(GtkWidget *widget,
2398 GdkDragContext *context,
2399 gint x,
2400 gint y,
2401 guint time,
2402 Panel *panel)
2403 {
2404 int panel_x, panel_y;
2405
2406 gdk_window_get_pointer(panel->window->window, &panel_x, &panel_y, NULL);
2407 motion_may_raise(panel, panel_x, panel_y);
2408
2409 return FALSE;
2410 }
2411
2412 /* Note: also called from icon handler */
2413 static void panel_drag_leave(GtkWidget *widget,
2414 GdkDragContext *context,
2415 guint32 time,
2416 Panel *panel)
2417 {
2418 GdkWindow *pinboard, *window;
2419 GtkAllocation *alloc = &panel->window->allocation;
2420 int x, y;
2421
2422 window = panel->window->window;
2423 gdk_window_get_pointer(window, &x, &y, NULL);
2424 if (x < 0 || y < 0 || x > alloc->width || y > alloc->height)
2425 {
2426 keep_below(panel->window->window, TRUE);
2427
2428 /* Shouldn't need this as well as keep_below but some WMs don't
2429 * automatically lower as soon as the hint is set */
2430 pinboard = pinboard_get_window();
2431 window_put_just_above(panel->window->window, pinboard);
2432 }
2433 }
2434
2435 static gboolean panel_check_xinerama(void)
2436 {
2437 gint old_monitor = panel_monitor;
2438
2439 panel_monitor = -1;
2440
2441 if (o_panel_xinerama.int_value)
2442 {
2443 if (o_panel_monitor.int_value < n_monitors)
2444 {
2445 panel_monitor = o_panel_monitor.int_value;
2446 }
2447 else
2448 {
2449 g_warning(_("Xinerama monitor %d unavailable"),
2450 o_panel_monitor.int_value);
2451 }
2452 }
2453
2454 if (panel_monitor == -1)
2455 {
2456 panel_geometry.x = panel_geometry.y = 0;
2457 panel_geometry.width = screen_width;
2458 panel_geometry.height = screen_height;
2459 }
2460 else
2461 {
2462 panel_geometry = monitor_geom[panel_monitor];
2463 }
2464
2465 return old_monitor != panel_monitor;
2466 }
2467
2468 static GList *build_monitor_number(Option *option, xmlNode *node, guchar *label)
2469 {
2470 GtkObject *adj;
2471
2472 adj = gtk_adjustment_new(MAX(0, panel_monitor),
2473 0, n_monitors - 1, 1, 10, 1);
2474 return build_numentry_base(option, node, label, GTK_ADJUSTMENT(adj));
2475 }
2476
2477 static void side_changed(Radios *radios, gpointer data)
2478 {
2479 Panel *panel;
2480 PanelSide side, new_side;
2481 GObject *dialog = G_OBJECT(data);
2482 char *name, *other_side_name;
2483
2484 side = GPOINTER_TO_INT(g_object_get_data(dialog, "rox-panel-side"));
2485 g_return_if_fail(side >= 0 && side < PANEL_NUMBER_OF_SIDES);
2486 panel = current_panel[side];
2487 g_return_if_fail(panel != NULL);
2488
2489 new_side = radios_get_value(radios);
2490
2491 if (new_side == side)
2492 return;
2493
2494 name = g_strdup(panel->name);
2495 other_side_name = current_panel[new_side]
2496 ? g_strdup(current_panel[new_side]->name)
2497 : NULL;
2498
2499 panel_new(name, new_side);
2500 g_object_set_data(G_OBJECT(dialog), "rox-panel-side",
2501 GINT_TO_POINTER(new_side));
2502 panel_new(other_side_name, side);
2503
2504 g_free(name);
2505 g_free(other_side_name);
2506 }
2507
2508 static void panel_show_options(gpointer data)
2509 {
2510 GtkWidget *dialog;
2511 GtkWidget *vbox, *label;
2512 Radios *radios;
2513 Panel *panel;
2514 PanelSide side = GPOINTER_TO_INT(data);
2515 char *tmp;
2516
2517 g_return_if_fail(side >= 0 && side < PANEL_NUMBER_OF_SIDES);
2518 panel = current_panel[side];
2519 g_return_if_fail(panel != NULL);
2520
2521 if (panel_options_dialog)
2522 gtk_widget_destroy(panel_options_dialog);
2523
2524 dialog = gtk_dialog_new_with_buttons(_("Panel Options"), NULL,
2525 GTK_DIALOG_NO_SEPARATOR,
2526 GTK_STOCK_CLOSE, GTK_RESPONSE_OK,
2527 NULL);
2528 panel_options_dialog = dialog;
2529
2530 g_object_set_data(G_OBJECT(dialog), "rox-panel-side",
2531 GINT_TO_POINTER(panel->side));
2532
2533 vbox = gtk_vbox_new(FALSE, 0);
2534 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
2535 vbox, TRUE, TRUE, 0);
2536
2537 gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
2538
2539 tmp = g_strdup_printf(_("Panel: %s"), panel->name);
2540 label = gtk_label_new(tmp);
2541 make_heading(label, PANGO_SCALE_LARGE);
2542 gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
2543 gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, TRUE, 0);
2544 g_free(tmp);
2545
2546 gtk_box_pack_start(GTK_BOX(vbox),
2547 gtk_label_new(_("Select the panel's position:")),
2548 FALSE, TRUE, 4);
2549
2550 /* Radio buttons to set the side */
2551 radios = radios_new(side_changed, dialog);
2552
2553 radios_add(radios, _("Top-edge panel"),
2554 PANEL_TOP, _("Top edge"));
2555 radios_add(radios, _("Bottom edge panel"),
2556 PANEL_BOTTOM, _("Bottom edge"));
2557 radios_add(radios, _("Left edge panel"),
2558 PANEL_LEFT, _("Left edge"));
2559 radios_add(radios, _("Right-edge panel"),
2560 PANEL_RIGHT, _("Right edge"));
2561
2562 radios_set_value(radios, panel->side);
2563
2564 radios_pack(radios, GTK_BOX(vbox));
2565
2566 g_signal_connect(dialog, "destroy",
2567 G_CALLBACK(gtk_widget_destroyed),
2568 &panel_options_dialog);
2569
2570 gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
2571
2572 g_signal_connect(dialog, "response",
2573 G_CALLBACK(gtk_widget_destroy), NULL);
2574 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_OK);
2575
2576 gtk_widget_show_all(dialog);
2577 }
2578
2579 /* Returns PANEL_NUMBER_OF_SIDES if name is invalid */
2580 PanelSide panel_name_to_side(gchar *side)
2581 {
2582 if (strcmp(side, "Top") == 0)
2583 return PANEL_TOP;
2584 else if (strcmp(side, "Bottom") == 0)
2585 return PANEL_BOTTOM;
2586 else if (strcmp(side, "Left") == 0)
2587 return PANEL_LEFT;
2588 else if (strcmp(side, "Right") == 0)
2589 return PANEL_RIGHT;
2590 else
2591 g_warning("Unknown panel side '%s'", side);
2592 return PANEL_NUMBER_OF_SIDES;
2593 }
2594