src/switchmenu.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997      Shige Abe
   5  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdint.h>
  28
  29 #include <X11/Xlib.h>
  30 #include <X11/Xutil.h>
  31
  32 #include "WindowMaker.h"
  33 #include "window.h"
  34 #include "actions.h"
  35 #include "client.h"
  36 #include "misc.h"
  37 #include "stacking.h"
  38 #include "workspace.h"
  39 #include "framewin.h"
  40 #include "switchmenu.h"
  41
  42 #define IS_GNUSTEP_MENU(w) ((w)->wm_gnustep_attr && \
  43         ((w)->wm_gnustep_attr->flags & GSWindowLevelAttr) && \
  44         ((w)->wm_gnustep_attr->window_level == WMMainMenuWindowLevel || \
  45          (w)->wm_gnustep_attr->window_level == WMSubmenuWindowLevel))
  46
  47 static int initialized = 0;
  48 static void observer(void *self, WMNotification * notif);
  49 static void wsobserver(void *self, WMNotification * notif);
  50
  51 /*
  52  * FocusWindow
  53  *
  54  *  - Needs to check if already in the right workspace before
  55  *    calling wChangeWorkspace?
  56  *
  57  *  Order:
  58  *    Switch to correct workspace
  59  *    Unshade if shaded
  60  *    If iconified then deiconify else focus/raise.
  61  */
  62 static void focusWindow(WMenu * menu, WMenuEntry * entry)
  63 {
  64         WWindow *wwin;
  65
  66         /* Parameter not used, but tell the compiler that it is ok */
  67         (void) menu;
  68
  69         wwin = (WWindow *) entry->clientdata;
  70         wWindowSingleFocus(wwin);
  71 }
  72
  73 void InitializeSwitchMenu(void)
  74 {
  75         if (!initialized) {
  76                 initialized = 1;
  77
  78                 WMAddNotificationObserver(observer, NULL, WMNManaged, NULL);
  79                 WMAddNotificationObserver(observer, NULL, WMNUnmanaged, NULL);
  80                 WMAddNotificationObserver(observer, NULL, WMNChangedWorkspace, NULL);
  81                 WMAddNotificationObserver(observer, NULL, WMNChangedState, NULL);
  82                 WMAddNotificationObserver(observer, NULL, WMNChangedFocus, NULL);
  83                 WMAddNotificationObserver(observer, NULL, WMNChangedStacking, NULL);
  84                 WMAddNotificationObserver(observer, NULL, WMNChangedName, NULL);
  85
  86                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceChanged, NULL);
  87                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceNameChanged, NULL);
  88         }
  89 }
  90
  91 /*
  92  *
  93  * Open switch menu
  94  *
  95  */
  96 void OpenSwitchMenu(WScreen * scr, int x, int y, int keyboard)
  97 {
  98         WMenu *switchmenu = scr->switch_menu;
  99         WWindow *wwin;
 100
 101         if (switchmenu) {
 102                 if (switchmenu->flags.mapped) {
 103                         if (!switchmenu->flags.buttoned) {
 104                                 wMenuUnmap(switchmenu);
 105                         } else {
 106                                 wRaiseFrame(switchmenu->frame->core);
 107
 108                                 if (keyboard)
 109                                         wMenuMapAt(switchmenu, 0, 0, True);
 110                                 else
 111                                         wMenuMapCopyAt(switchmenu, x - switchmenu->frame->core->width / 2, y);
 112                         }
 113                 } else {
 114                         if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 115                                 y = y - switchmenu->frame->core->height / 2;
 116                         }
 117                         wMenuMapAt(switchmenu, x - switchmenu->frame->core->width / 2, y, keyboard);
 118                 }
 119                 return;
 120         }
 121         switchmenu = wMenuCreate(scr, _("Windows"), True);
 122         scr->switch_menu = switchmenu;
 123
 124         wwin = scr->focused_window;
 125         while (wwin) {
 126                 UpdateSwitchMenu(scr, wwin, ACTION_ADD);
 127
 128                 wwin = wwin->prev;
 129         }
 130
 131         if (switchmenu) {
 132                 int newx, newy;
 133
 134                 if (!switchmenu->flags.realized)
 135                         wMenuRealize(switchmenu);
 136
 137                 if (keyboard && x == 0 && y == 0) {
 138                         newx = newy = 0;
 139                 } else if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 140                         newx = x - switchmenu->frame->core->width / 2;
 141                         newy = y - switchmenu->frame->core->height / 2;
 142                 } else {
 143                         newx = x - switchmenu->frame->core->width / 2;
 144                         newy = y;
 145                 }
 146                 wMenuMapAt(switchmenu, newx, newy, keyboard);
 147         }
 148 }
 149
 150 static int menuIndexForWindow(WMenu * menu, WWindow * wwin, int old_pos)
 151 {
 152         int idx, move_down;
 153
 154         if (menu->entry_no <= old_pos)
 155                 return -1;
 156
 157         for (idx = 0, move_down = 0; idx < menu->entry_no; idx++) {
 158                 WWindow *tw = (WWindow *) menu->entries[idx]->clientdata;
 159
 160                 /* Is the window moving down in the menu?  If so, we'll need to
 161                    adjust its new index by 1. */
 162                 if (tw == wwin)
 163                         move_down = 1;
 164
 165                 if (IS_OMNIPRESENT(tw) || (tw != wwin &&
 166                                            tw->frame->workspace >= wwin->frame->workspace))
 167                         return idx - move_down;
 168         }
 169
 170         return idx;
 171 }
 172
 173 /*
 174  * Update switch menu
 175  */
 176 void UpdateSwitchMenu(WScreen * scr, WWindow * wwin, int action)
 177 {
 178         WMenu *switchmenu = scr->switch_menu;
 179         WMenuEntry *entry;
 180         char title[MAX_MENU_TEXT_LENGTH + 6];
 181         int len = sizeof(title);
 182         int i;
 183         int checkVisibility = 0;
 184
 185         if (!wwin->screen_ptr->switch_menu)
 186                 return;
 187         /*
 188          *  This menu is updated under the following conditions:
 189          *
 190          *    1.  When a window is created.
 191          *    2.  When a window is destroyed.
 192          *
 193          *    3.  When a window changes its title.
 194          *    4.  When a window changes its workspace.
 195          */
 196         if (action == ACTION_ADD) {
 197                 char *t;
 198                 int idx;
 199
 200                 if (wwin->flags.internal_window || WFLAGP(wwin, skip_window_list) || IS_GNUSTEP_MENU(wwin)) {
 201                         return;
 202                 }
 203
 204                 if (wwin->frame->title)
 205                         snprintf(title, len, "%s", wwin->frame->title);
 206                 else
 207                         snprintf(title, len, "%s", DEF_WINDOW_TITLE);
 208                 t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 209
 210                 if (IS_OMNIPRESENT(wwin))
 211                         idx = -1;
 212                 else {
 213                         idx = menuIndexForWindow(switchmenu, wwin, 0);
 214                 }
 215
 216                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 217                 wfree(t);
 218
 219                 entry->flags.indicator = 1;
 220                 entry->rtext = wmalloc(MAX_WORKSPACENAME_WIDTH + 8);
 221                 if (IS_OMNIPRESENT(wwin))
 222                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 223                 else
 224                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 225                                  scr->workspaces[wwin->frame->workspace]->name);
 226
 227                 if (wwin->flags.hidden) {
 228                         entry->flags.indicator_type = MI_HIDDEN;
 229                         entry->flags.indicator_on = 1;
 230                 } else if (wwin->flags.miniaturized) {
 231                         entry->flags.indicator_type = MI_MINIWINDOW;
 232                         entry->flags.indicator_on = 1;
 233                 } else if (wwin->flags.focused) {
 234                         entry->flags.indicator_type = MI_DIAMOND;
 235                         entry->flags.indicator_on = 1;
 236                 } else if (wwin->flags.shaded) {
 237                         entry->flags.indicator_type = MI_SHADED;
 238                         entry->flags.indicator_on = 1;
 239                 }
 240
 241                 wMenuRealize(switchmenu);
 242                 checkVisibility = 1;
 243         } else {
 244                 char *t;
 245                 for (i = 0; i < switchmenu->entry_no; i++) {
 246                         entry = switchmenu->entries[i];
 247                         /* this is the entry that was changed */
 248                         if (entry->clientdata == wwin) {
 249                                 switch (action) {
 250                                 case ACTION_REMOVE:
 251                                         wMenuRemoveItem(switchmenu, i);
 252                                         wMenuRealize(switchmenu);
 253                                         checkVisibility = 1;
 254                                         break;
 255
 256                                 case ACTION_CHANGE:
 257                                         if (entry->text)
 258                                                 wfree(entry->text);
 259
 260                                         if (wwin->frame->title)
 261                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", wwin->frame->title);
 262                                         else
 263                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", DEF_WINDOW_TITLE);
 264
 265                                         t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 266                                         entry->text = t;
 267
 268                                         wMenuRealize(switchmenu);
 269                                         checkVisibility = 1;
 270                                         break;
 271
 272                                 case ACTION_CHANGE_WORKSPACE:
 273                                         if (entry->rtext) {
 274                                                 int idx = -1;
 275                                                 char *t, *rt;
 276                                                 int it, ion;
 277
 278                                                 if (IS_OMNIPRESENT(wwin)) {
 279                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 280                                                 } else {
 281                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH,
 282                                                                  "[%s]",
 283                                                                  scr->workspaces[wwin->frame->workspace]->name);
 284                                                 }
 285
 286                                                 rt = entry->rtext;
 287                                                 entry->rtext = NULL;
 288                                                 t = entry->text;
 289                                                 entry->text = NULL;
 290
 291                                                 it = entry->flags.indicator_type;
 292                                                 ion = entry->flags.indicator_on;
 293
 294                                                 if (!IS_OMNIPRESENT(wwin) && idx < 0) {
 295                                                         idx = menuIndexForWindow(switchmenu, wwin, i);
 296                                                 }
 297
 298                                                 wMenuRemoveItem(switchmenu, i);
 299
 300                                                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 301                                                 wfree(t);
 302                                                 entry->rtext = rt;
 303                                                 entry->flags.indicator = 1;
 304                                                 entry->flags.indicator_type = it;
 305                                                 entry->flags.indicator_on = ion;
 306                                         }
 307                                         wMenuRealize(switchmenu);
 308                                         checkVisibility = 1;
 309                                         break;
 310
 311                                 case ACTION_CHANGE_STATE:
 312                                         if (wwin->flags.hidden) {
 313                                                 entry->flags.indicator_type = MI_HIDDEN;
 314                                                 entry->flags.indicator_on = 1;
 315                                         } else if (wwin->flags.miniaturized) {
 316                                                 entry->flags.indicator_type = MI_MINIWINDOW;
 317                                                 entry->flags.indicator_on = 1;
 318                                         } else if (wwin->flags.shaded && !wwin->flags.focused) {
 319                                                 entry->flags.indicator_type = MI_SHADED;
 320                                                 entry->flags.indicator_on = 1;
 321                                         } else {
 322                                                 entry->flags.indicator_on = wwin->flags.focused;
 323                                                 entry->flags.indicator_type = MI_DIAMOND;
 324                                         }
 325                                         break;
 326                                 }
 327                                 break;
 328                         }
 329                 }
 330         }
 331         if (checkVisibility) {
 332                 int tmp;
 333
 334                 tmp = switchmenu->frame->top_width + 5;
 335                 /* if menu got unreachable, bring it to a visible place */
 336                 if (switchmenu->frame_x < tmp - (int)switchmenu->frame->core->width) {
 337                         wMenuMove(switchmenu, tmp - (int)switchmenu->frame->core->width,
 338                                   switchmenu->frame_y, False);
 339                 }
 340         }
 341         wMenuPaint(switchmenu);
 342 }
 343
 344 static void UpdateSwitchMenuWorkspace(WScreen *scr, int workspace)
 345 {
 346         WMenu *menu = scr->switch_menu;
 347         int i;
 348         WWindow *wwin;
 349
 350         if (!menu)
 351                 return;
 352
 353         for (i = 0; i < menu->entry_no; i++) {
 354                 wwin = (WWindow *) menu->entries[i]->clientdata;
 355
 356                 if (wwin->frame->workspace == workspace && !IS_OMNIPRESENT(wwin)) {
 357                         if (IS_OMNIPRESENT(wwin))
 358                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 359                         else
 360                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 361                                          scr->workspaces[wwin->frame->workspace]->name);
 362                         menu->flags.realized = 0;
 363                 }
 364         }
 365         if (!menu->flags.realized)
 366                 wMenuRealize(menu);
 367 }
 368
 369 static void observer(void *self, WMNotification * notif)
 370 {
 371         WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
 372         const char *name = WMGetNotificationName(notif);
 373         void *data = WMGetNotificationClientData(notif);
 374
 375         /* Parameter not used, but tell the compiler that it is ok */
 376         (void) self;
 377
 378         if (!wwin)
 379                 return;
 380
 381         if (strcmp(name, WMNManaged) == 0)
 382                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_ADD);
 383         else if (strcmp(name, WMNUnmanaged) == 0)
 384                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_REMOVE);
 385         else if (strcmp(name, WMNChangedWorkspace) == 0)
 386                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 387         else if (strcmp(name, WMNChangedFocus) == 0)
 388                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 389         else if (strcmp(name, WMNChangedName) == 0)
 390                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE);
 391         else if (strcmp(name, WMNChangedState) == 0) {
 392                 if (strcmp((char *)data, "omnipresent") == 0) {
 393                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 394                 } else {
 395                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 396                 }
 397         }
 398 }
 399
 400 static void wsobserver(void *self, WMNotification * notif)
 401 {
 402         WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
 403         const char *name = WMGetNotificationName(notif);
 404         void *data = WMGetNotificationClientData(notif);
 405
 406         /* Parameter not used, but tell the compiler that it is ok */
 407         (void) self;
 408
 409         if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
 410                 UpdateSwitchMenuWorkspace(scr, (uintptr_t)data);
 411         } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
 412
 413         }
 414 }