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
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22
  23 #include "wconfig.h"
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdint.h>
  29
  30 #include <X11/Xlib.h>
  31 #include <X11/Xutil.h>
  32
  33 #include "WindowMaker.h"
  34 #include "window.h"
  35 #include "actions.h"
  36 #include "client.h"
  37 #include "funcs.h"
  38 #include "stacking.h"
  39 #include "workspace.h"
  40 #include "framewin.h"
  41
  42 /********* Global Variables *******/
  43 extern WPreferences wPreferences;
  44
  45 static int initialized = 0;
  46 static void observer(void *self, WMNotification * notif);
  47 static void wsobserver(void *self, WMNotification * notif);
  48
  49 /*
  50  * FocusWindow
  51  *
  52  *  - Needs to check if already in the right workspace before
  53  *    calling wChangeWorkspace?
  54  *
  55  *  Order:
  56  *    Switch to correct workspace
  57  *    Unshade if shaded
  58  *    If iconified then deiconify else focus/raise.
  59  */
  60 static void focusWindow(WMenu * menu, WMenuEntry * entry)
  61 {
  62         WWindow *wwin;
  63         WScreen *scr;
  64         int x, y, move = 0;
  65
  66         wwin = (WWindow *) entry->clientdata;
  67         scr = wwin->screen_ptr;
  68
  69         wMakeWindowVisible(wwin);
  70
  71         x = wwin->frame_x;
  72         y = wwin->frame_y;
  73
  74         /* bring window back to visible area */
  75         move = wScreenBringInside(scr, &x, &y, wwin->frame->core->width, wwin->frame->core->height);
  76
  77         if (move) {
  78                 wWindowConfigure(wwin, x, y, wwin->client.width, wwin->client.height);
  79         }
  80 }
  81
  82 void InitializeSwitchMenu(void)
  83 {
  84         if (!initialized) {
  85                 initialized = 1;
  86
  87                 WMAddNotificationObserver(observer, NULL, WMNManaged, NULL);
  88                 WMAddNotificationObserver(observer, NULL, WMNUnmanaged, NULL);
  89                 WMAddNotificationObserver(observer, NULL, WMNChangedWorkspace, NULL);
  90                 WMAddNotificationObserver(observer, NULL, WMNChangedState, NULL);
  91                 WMAddNotificationObserver(observer, NULL, WMNChangedFocus, NULL);
  92                 WMAddNotificationObserver(observer, NULL, WMNChangedStacking, NULL);
  93                 WMAddNotificationObserver(observer, NULL, WMNChangedName, NULL);
  94
  95                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceChanged, NULL);
  96                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceNameChanged, NULL);
  97         }
  98 }
  99
 100 /*
 101  *
 102  * Open switch menu
 103  *
 104  */
 105 void OpenSwitchMenu(WScreen * scr, int x, int y, int keyboard)
 106 {
 107         WMenu *switchmenu = scr->switch_menu;
 108         WWindow *wwin;
 109
 110         if (switchmenu) {
 111                 if (switchmenu->flags.mapped) {
 112                         if (!switchmenu->flags.buttoned) {
 113                                 wMenuUnmap(switchmenu);
 114                         } else {
 115                                 wRaiseFrame(switchmenu->frame->core);
 116
 117                                 if (keyboard)
 118                                         wMenuMapAt(switchmenu, 0, 0, True);
 119                                 else
 120                                         wMenuMapCopyAt(switchmenu, x - switchmenu->frame->core->width / 2, y);
 121                         }
 122                 } else {
 123                         if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 124                                 y = y - switchmenu->frame->core->height / 2;
 125                         }
 126                         wMenuMapAt(switchmenu, x - switchmenu->frame->core->width / 2, y, keyboard);
 127                 }
 128                 return;
 129         }
 130         switchmenu = wMenuCreate(scr, _("Windows"), True);
 131         scr->switch_menu = switchmenu;
 132
 133         wwin = scr->focused_window;
 134         while (wwin) {
 135                 UpdateSwitchMenu(scr, wwin, ACTION_ADD);
 136
 137                 wwin = wwin->prev;
 138         }
 139
 140         if (switchmenu) {
 141                 int newx, newy;
 142
 143                 if (!switchmenu->flags.realized)
 144                         wMenuRealize(switchmenu);
 145
 146                 if (keyboard && x == 0 && y == 0) {
 147                         newx = newy = 0;
 148                 } else if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 149                         newx = x - switchmenu->frame->core->width / 2;
 150                         newy = y - switchmenu->frame->core->height / 2;
 151                 } else {
 152                         newx = x - switchmenu->frame->core->width / 2;
 153                         newy = y;
 154                 }
 155                 wMenuMapAt(switchmenu, newx, newy, keyboard);
 156         }
 157 }
 158
 159 static int menuIndexForWindow(WMenu * menu, WWindow * wwin, int old_pos)
 160 {
 161         int idx;
 162
 163         if (menu->entry_no <= old_pos)
 164                 return -1;
 165
 166 #define WS(i)  ((WWindow*)menu->entries[i]->clientdata)->frame->workspace
 167         if (old_pos >= 0) {
 168                 if (WS(old_pos) >= wwin->frame->workspace
 169                     && (old_pos == 0 || WS(old_pos - 1) <= wwin->frame->workspace)) {
 170                         return old_pos;
 171                 }
 172         }
 173 #undef WS
 174
 175         for (idx = 0; idx < menu->entry_no; idx++) {
 176                 WWindow *tw = (WWindow *) menu->entries[idx]->clientdata;
 177
 178                 if (!IS_OMNIPRESENT(tw)
 179                     && tw->frame->workspace > wwin->frame->workspace) {
 180                         break;
 181                 }
 182         }
 183
 184         return idx;
 185 }
 186
 187 /*
 188  * Update switch menu
 189  */
 190 void UpdateSwitchMenu(WScreen * scr, WWindow * wwin, int action)
 191 {
 192         WMenu *switchmenu = scr->switch_menu;
 193         WMenuEntry *entry;
 194         char title[MAX_MENU_TEXT_LENGTH + 6];
 195         int len = sizeof(title);
 196         int i;
 197         int checkVisibility = 0;
 198
 199         if (!wwin->screen_ptr->switch_menu)
 200                 return;
 201         /*
 202          *  This menu is updated under the following conditions:
 203          *
 204          *    1.  When a window is created.
 205          *    2.  When a window is destroyed.
 206          *
 207          *    3.  When a window changes it's title.
 208          *    4.  When a window changes its workspace.
 209          */
 210         if (action == ACTION_ADD) {
 211                 char *t;
 212                 int idx;
 213
 214                 if (wwin->flags.internal_window || WFLAGP(wwin, skip_window_list) || IS_GNUSTEP_MENU(wwin)) {
 215                         return;
 216                 }
 217
 218                 if (wwin->frame->title)
 219                         snprintf(title, len, "%s", wwin->frame->title);
 220                 else
 221                         snprintf(title, len, "%s", DEF_WINDOW_TITLE);
 222                 t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 223
 224                 if (IS_OMNIPRESENT(wwin))
 225                         idx = -1;
 226                 else {
 227                         idx = menuIndexForWindow(switchmenu, wwin, -1);
 228                 }
 229
 230                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 231                 wfree(t);
 232
 233                 entry->flags.indicator = 1;
 234                 entry->rtext = wmalloc(MAX_WORKSPACENAME_WIDTH + 8);
 235                 if (IS_OMNIPRESENT(wwin))
 236                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 237                 else
 238                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 239                                  scr->workspaces[wwin->frame->workspace]->name);
 240
 241                 if (wwin->flags.hidden) {
 242                         entry->flags.indicator_type = MI_HIDDEN;
 243                         entry->flags.indicator_on = 1;
 244                 } else if (wwin->flags.miniaturized) {
 245                         entry->flags.indicator_type = MI_MINIWINDOW;
 246                         entry->flags.indicator_on = 1;
 247                 } else if (wwin->flags.focused) {
 248                         entry->flags.indicator_type = MI_DIAMOND;
 249                         entry->flags.indicator_on = 1;
 250                 } else if (wwin->flags.shaded) {
 251                         entry->flags.indicator_type = MI_SHADED;
 252                         entry->flags.indicator_on = 1;
 253                 }
 254
 255                 wMenuRealize(switchmenu);
 256                 checkVisibility = 1;
 257         } else {
 258                 char *t;
 259                 for (i = 0; i < switchmenu->entry_no; i++) {
 260                         entry = switchmenu->entries[i];
 261                         /* this is the entry that was changed */
 262                         if (entry->clientdata == wwin) {
 263                                 switch (action) {
 264                                 case ACTION_REMOVE:
 265                                         wMenuRemoveItem(switchmenu, i);
 266                                         wMenuRealize(switchmenu);
 267                                         checkVisibility = 1;
 268                                         break;
 269
 270                                 case ACTION_CHANGE:
 271                                         if (entry->text)
 272                                                 wfree(entry->text);
 273
 274                                         if (wwin->frame->title)
 275                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", wwin->frame->title);
 276                                         else
 277                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", DEF_WINDOW_TITLE);
 278
 279                                         t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 280                                         entry->text = t;
 281
 282                                         wMenuRealize(switchmenu);
 283                                         checkVisibility = 1;
 284                                         break;
 285
 286                                 case ACTION_CHANGE_WORKSPACE:
 287                                         if (entry->rtext) {
 288                                                 int idx = -1;
 289                                                 char *t, *rt;
 290                                                 int it, ion;
 291
 292                                                 if (IS_OMNIPRESENT(wwin)) {
 293                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 294                                                 } else {
 295                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH,
 296                                                                  "[%s]",
 297                                                                  scr->workspaces[wwin->frame->workspace]->name);
 298                                                 }
 299
 300                                                 rt = entry->rtext;
 301                                                 entry->rtext = NULL;
 302                                                 t = entry->text;
 303                                                 entry->text = NULL;
 304
 305                                                 it = entry->flags.indicator_type;
 306                                                 ion = entry->flags.indicator_on;
 307
 308                                                 if (!IS_OMNIPRESENT(wwin) && idx < 0) {
 309                                                         idx = menuIndexForWindow(switchmenu, wwin, i);
 310                                                 }
 311
 312                                                 wMenuRemoveItem(switchmenu, i);
 313
 314                                                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 315                                                 wfree(t);
 316                                                 entry->rtext = rt;
 317                                                 entry->flags.indicator = 1;
 318                                                 entry->flags.indicator_type = it;
 319                                                 entry->flags.indicator_on = ion;
 320                                         }
 321                                         wMenuRealize(switchmenu);
 322                                         checkVisibility = 1;
 323                                         break;
 324
 325                                 case ACTION_CHANGE_STATE:
 326                                         if (wwin->flags.hidden) {
 327                                                 entry->flags.indicator_type = MI_HIDDEN;
 328                                                 entry->flags.indicator_on = 1;
 329                                         } else if (wwin->flags.miniaturized) {
 330                                                 entry->flags.indicator_type = MI_MINIWINDOW;
 331                                                 entry->flags.indicator_on = 1;
 332                                         } else if (wwin->flags.shaded && !wwin->flags.focused) {
 333                                                 entry->flags.indicator_type = MI_SHADED;
 334                                                 entry->flags.indicator_on = 1;
 335                                         } else {
 336                                                 entry->flags.indicator_on = wwin->flags.focused;
 337                                                 entry->flags.indicator_type = MI_DIAMOND;
 338                                         }
 339                                         break;
 340                                 }
 341                                 break;
 342                         }
 343                 }
 344         }
 345         if (checkVisibility) {
 346                 int tmp;
 347
 348                 tmp = switchmenu->frame->top_width + 5;
 349                 /* if menu got unreachable, bring it to a visible place */
 350                 if (switchmenu->frame_x < tmp - (int)switchmenu->frame->core->width) {
 351                         wMenuMove(switchmenu, tmp - (int)switchmenu->frame->core->width,
 352                                   switchmenu->frame_y, False);
 353                 }
 354         }
 355         wMenuPaint(switchmenu);
 356 }
 357
 358 static void UpdateSwitchMenuWorkspace(WScreen *scr, int workspace)
 359 {
 360         WMenu *menu = scr->switch_menu;
 361         int i;
 362         WWindow *wwin;
 363
 364         if (!menu)
 365                 return;
 366
 367         for (i = 0; i < menu->entry_no; i++) {
 368                 wwin = (WWindow *) menu->entries[i]->clientdata;
 369
 370                 if (wwin->frame->workspace == workspace && !IS_OMNIPRESENT(wwin)) {
 371                         if (IS_OMNIPRESENT(wwin))
 372                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 373                         else
 374                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 375                                          scr->workspaces[wwin->frame->workspace]->name);
 376                         menu->flags.realized = 0;
 377                 }
 378         }
 379         if (!menu->flags.realized)
 380                 wMenuRealize(menu);
 381 }
 382
 383 static void observer(void *self, WMNotification * notif)
 384 {
 385         WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
 386         const char *name = WMGetNotificationName(notif);
 387         void *data = WMGetNotificationClientData(notif);
 388
 389         if (!wwin)
 390                 return;
 391
 392         if (strcmp(name, WMNManaged) == 0)
 393                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_ADD);
 394         else if (strcmp(name, WMNUnmanaged) == 0)
 395                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_REMOVE);
 396         else if (strcmp(name, WMNChangedWorkspace) == 0)
 397                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 398         else if (strcmp(name, WMNChangedFocus) == 0)
 399                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 400         else if (strcmp(name, WMNChangedName) == 0)
 401                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE);
 402         else if (strcmp(name, WMNChangedState) == 0) {
 403                 if (strcmp((char *)data, "omnipresent") == 0) {
 404                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 405                 } else {
 406                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 407                 }
 408         }
 409 }
 410
 411 static void wsobserver(void *self, WMNotification * notif)
 412 {
 413         WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
 414         const char *name = WMGetNotificationName(notif);
 415         void *data = WMGetNotificationClientData(notif);
 416
 417         if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
 418                 UpdateSwitchMenuWorkspace(scr, (uintptr_t)data);
 419         } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
 420
 421         }
 422 }