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 extern Time LastTimestamp;
  45
  46 static int initialized = 0;
  47
  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         WScreen *scr;
  66         int x, y, move = 0;
  67
  68         wwin = (WWindow *) entry->clientdata;
  69         scr = wwin->screen_ptr;
  70
  71         wMakeWindowVisible(wwin);
  72
  73         x = wwin->frame_x;
  74         y = wwin->frame_y;
  75
  76         /* bring window back to visible area */
  77         move = wScreenBringInside(scr, &x, &y, wwin->frame->core->width, wwin->frame->core->height);
  78
  79         if (move) {
  80                 wWindowConfigure(wwin, x, y, wwin->client.width, wwin->client.height);
  81         }
  82 }
  83
  84 void InitializeSwitchMenu(void)
  85 {
  86         if (!initialized) {
  87                 initialized = 1;
  88
  89                 WMAddNotificationObserver(observer, NULL, WMNManaged, NULL);
  90                 WMAddNotificationObserver(observer, NULL, WMNUnmanaged, NULL);
  91                 WMAddNotificationObserver(observer, NULL, WMNChangedWorkspace, NULL);
  92                 WMAddNotificationObserver(observer, NULL, WMNChangedState, NULL);
  93                 WMAddNotificationObserver(observer, NULL, WMNChangedFocus, NULL);
  94                 WMAddNotificationObserver(observer, NULL, WMNChangedStacking, NULL);
  95                 WMAddNotificationObserver(observer, NULL, WMNChangedName, NULL);
  96
  97                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceChanged, NULL);
  98                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceNameChanged, NULL);
  99         }
 100 }
 101
 102 /*
 103  *
 104  * Open switch menu
 105  *
 106  */
 107 void OpenSwitchMenu(WScreen * scr, int x, int y, int keyboard)
 108 {
 109         WMenu *switchmenu = scr->switch_menu;
 110         WWindow *wwin;
 111
 112         if (switchmenu) {
 113                 if (switchmenu->flags.mapped) {
 114                         if (!switchmenu->flags.buttoned) {
 115                                 wMenuUnmap(switchmenu);
 116                         } else {
 117                                 wRaiseFrame(switchmenu->frame->core);
 118
 119                                 if (keyboard)
 120                                         wMenuMapAt(switchmenu, 0, 0, True);
 121                                 else
 122                                         wMenuMapCopyAt(switchmenu, x - switchmenu->frame->core->width / 2, y);
 123                         }
 124                 } else {
 125                         if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 126                                 y = y - switchmenu->frame->core->height / 2;
 127                         }
 128                         wMenuMapAt(switchmenu, x - switchmenu->frame->core->width / 2, y, keyboard);
 129                 }
 130                 return;
 131         }
 132         switchmenu = wMenuCreate(scr, _("Windows"), True);
 133         scr->switch_menu = switchmenu;
 134
 135         wwin = scr->focused_window;
 136         while (wwin) {
 137                 UpdateSwitchMenu(scr, wwin, ACTION_ADD);
 138
 139                 wwin = wwin->prev;
 140         }
 141
 142         if (switchmenu) {
 143                 int newx, newy;
 144
 145                 if (!switchmenu->flags.realized)
 146                         wMenuRealize(switchmenu);
 147
 148                 if (keyboard && x == 0 && y == 0) {
 149                         newx = newy = 0;
 150                 } else if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 151                         newx = x - switchmenu->frame->core->width / 2;
 152                         newy = y - switchmenu->frame->core->height / 2;
 153                 } else {
 154                         newx = x - switchmenu->frame->core->width / 2;
 155                         newy = y;
 156                 }
 157                 wMenuMapAt(switchmenu, newx, newy, keyboard);
 158         }
 159 }
 160
 161 static int menuIndexForWindow(WMenu * menu, WWindow * wwin, int old_pos)
 162 {
 163         int idx;
 164
 165         if (menu->entry_no <= old_pos)
 166                 return -1;
 167
 168 #define WS(i)  ((WWindow*)menu->entries[i]->clientdata)->frame->workspace
 169         if (old_pos >= 0) {
 170                 if (WS(old_pos) >= wwin->frame->workspace
 171                     && (old_pos == 0 || WS(old_pos - 1) <= wwin->frame->workspace)) {
 172                         return old_pos;
 173                 }
 174         }
 175 #undef WS
 176
 177         for (idx = 0; idx < menu->entry_no; idx++) {
 178                 WWindow *tw = (WWindow *) menu->entries[idx]->clientdata;
 179
 180                 if (!IS_OMNIPRESENT(tw)
 181                     && tw->frame->workspace > wwin->frame->workspace) {
 182                         break;
 183                 }
 184         }
 185
 186         return idx;
 187 }
 188
 189 /*
 190  * Update switch menu
 191  */
 192 void UpdateSwitchMenu(WScreen * scr, WWindow * wwin, int action)
 193 {
 194         WMenu *switchmenu = scr->switch_menu;
 195         WMenuEntry *entry;
 196         char title[MAX_MENU_TEXT_LENGTH + 6];
 197         int len = sizeof(title);
 198         int i;
 199         int checkVisibility = 0;
 200
 201         if (!wwin->screen_ptr->switch_menu)
 202                 return;
 203         /*
 204          *  This menu is updated under the following conditions:
 205          *
 206          *    1.  When a window is created.
 207          *    2.  When a window is destroyed.
 208          *
 209          *    3.  When a window changes it's title.
 210          *    4.  When a window changes its workspace.
 211          */
 212         if (action == ACTION_ADD) {
 213                 char *t;
 214                 int idx;
 215
 216                 if (wwin->flags.internal_window || WFLAGP(wwin, skip_window_list) || IS_GNUSTEP_MENU(wwin)) {
 217                         return;
 218                 }
 219
 220                 if (wwin->frame->title)
 221                         snprintf(title, len, "%s", wwin->frame->title);
 222                 else
 223                         snprintf(title, len, "%s", DEF_WINDOW_TITLE);
 224                 t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 225
 226                 if (IS_OMNIPRESENT(wwin))
 227                         idx = -1;
 228                 else {
 229                         idx = menuIndexForWindow(switchmenu, wwin, -1);
 230                 }
 231
 232                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 233                 wfree(t);
 234
 235                 entry->flags.indicator = 1;
 236                 entry->rtext = wmalloc(MAX_WORKSPACENAME_WIDTH + 8);
 237                 if (IS_OMNIPRESENT(wwin))
 238                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 239                 else
 240                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 241                                  scr->workspaces[wwin->frame->workspace]->name);
 242
 243                 if (wwin->flags.hidden) {
 244                         entry->flags.indicator_type = MI_HIDDEN;
 245                         entry->flags.indicator_on = 1;
 246                 } else if (wwin->flags.miniaturized) {
 247                         entry->flags.indicator_type = MI_MINIWINDOW;
 248                         entry->flags.indicator_on = 1;
 249                 } else if (wwin->flags.focused) {
 250                         entry->flags.indicator_type = MI_DIAMOND;
 251                         entry->flags.indicator_on = 1;
 252                 } else if (wwin->flags.shaded) {
 253                         entry->flags.indicator_type = MI_SHADED;
 254                         entry->flags.indicator_on = 1;
 255                 }
 256
 257                 wMenuRealize(switchmenu);
 258                 checkVisibility = 1;
 259         } else {
 260                 char *t;
 261                 for (i = 0; i < switchmenu->entry_no; i++) {
 262                         entry = switchmenu->entries[i];
 263                         /* this is the entry that was changed */
 264                         if (entry->clientdata == wwin) {
 265                                 switch (action) {
 266                                 case ACTION_REMOVE:
 267                                         wMenuRemoveItem(switchmenu, i);
 268                                         wMenuRealize(switchmenu);
 269                                         checkVisibility = 1;
 270                                         break;
 271
 272                                 case ACTION_CHANGE:
 273                                         if (entry->text)
 274                                                 wfree(entry->text);
 275
 276                                         if (wwin->frame->title)
 277                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", wwin->frame->title);
 278                                         else
 279                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", DEF_WINDOW_TITLE);
 280
 281                                         t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 282                                         entry->text = t;
 283
 284                                         wMenuRealize(switchmenu);
 285                                         checkVisibility = 1;
 286                                         break;
 287
 288                                 case ACTION_CHANGE_WORKSPACE:
 289                                         if (entry->rtext) {
 290                                                 int idx = -1;
 291                                                 char *t, *rt;
 292                                                 int it, ion;
 293
 294                                                 if (IS_OMNIPRESENT(wwin)) {
 295                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 296                                                 } else {
 297                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH,
 298                                                                  "[%s]",
 299                                                                  scr->workspaces[wwin->frame->workspace]->name);
 300                                                 }
 301
 302                                                 rt = entry->rtext;
 303                                                 entry->rtext = NULL;
 304                                                 t = entry->text;
 305                                                 entry->text = NULL;
 306
 307                                                 it = entry->flags.indicator_type;
 308                                                 ion = entry->flags.indicator_on;
 309
 310                                                 if (!IS_OMNIPRESENT(wwin) && idx < 0) {
 311                                                         idx = menuIndexForWindow(switchmenu, wwin, i);
 312                                                 }
 313
 314                                                 wMenuRemoveItem(switchmenu, i);
 315
 316                                                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 317                                                 wfree(t);
 318                                                 entry->rtext = rt;
 319                                                 entry->flags.indicator = 1;
 320                                                 entry->flags.indicator_type = it;
 321                                                 entry->flags.indicator_on = ion;
 322                                         }
 323                                         wMenuRealize(switchmenu);
 324                                         checkVisibility = 1;
 325                                         break;
 326
 327                                 case ACTION_CHANGE_STATE:
 328                                         if (wwin->flags.hidden) {
 329                                                 entry->flags.indicator_type = MI_HIDDEN;
 330                                                 entry->flags.indicator_on = 1;
 331                                         } else if (wwin->flags.miniaturized) {
 332                                                 entry->flags.indicator_type = MI_MINIWINDOW;
 333                                                 entry->flags.indicator_on = 1;
 334                                         } else if (wwin->flags.shaded && !wwin->flags.focused) {
 335                                                 entry->flags.indicator_type = MI_SHADED;
 336                                                 entry->flags.indicator_on = 1;
 337                                         } else {
 338                                                 entry->flags.indicator_on = wwin->flags.focused;
 339                                                 entry->flags.indicator_type = MI_DIAMOND;
 340                                         }
 341                                         break;
 342                                 }
 343                                 break;
 344                         }
 345                 }
 346         }
 347         if (checkVisibility) {
 348                 int tmp;
 349
 350                 tmp = switchmenu->frame->top_width + 5;
 351                 /* if menu got unreachable, bring it to a visible place */
 352                 if (switchmenu->frame_x < tmp - (int)switchmenu->frame->core->width) {
 353                         wMenuMove(switchmenu, tmp - (int)switchmenu->frame->core->width,
 354                                   switchmenu->frame_y, False);
 355                 }
 356         }
 357         wMenuPaint(switchmenu);
 358 }
 359
 360 static void UpdateSwitchMenuWorkspace(WScreen *scr, int workspace)
 361 {
 362         WMenu *menu = scr->switch_menu;
 363         int i;
 364         WWindow *wwin;
 365
 366         if (!menu)
 367                 return;
 368
 369         for (i = 0; i < menu->entry_no; i++) {
 370                 wwin = (WWindow *) menu->entries[i]->clientdata;
 371
 372                 if (wwin->frame->workspace == workspace && !IS_OMNIPRESENT(wwin)) {
 373                         if (IS_OMNIPRESENT(wwin))
 374                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 375                         else
 376                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 377                                          scr->workspaces[wwin->frame->workspace]->name);
 378                         menu->flags.realized = 0;
 379                 }
 380         }
 381         if (!menu->flags.realized)
 382                 wMenuRealize(menu);
 383 }
 384
 385 static void observer(void *self, WMNotification * notif)
 386 {
 387         WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
 388         const char *name = WMGetNotificationName(notif);
 389         void *data = WMGetNotificationClientData(notif);
 390
 391         if (!wwin)
 392                 return;
 393
 394         if (strcmp(name, WMNManaged) == 0)
 395                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_ADD);
 396         else if (strcmp(name, WMNUnmanaged) == 0)
 397                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_REMOVE);
 398         else if (strcmp(name, WMNChangedWorkspace) == 0)
 399                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 400         else if (strcmp(name, WMNChangedFocus) == 0)
 401                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 402         else if (strcmp(name, WMNChangedName) == 0)
 403                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE);
 404         else if (strcmp(name, WMNChangedState) == 0) {
 405                 if (strcmp((char *)data, "omnipresent") == 0) {
 406                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 407                 } else {
 408                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 409                 }
 410         }
 411 }
 412
 413 static void wsobserver(void *self, WMNotification * notif)
 414 {
 415         WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
 416         const char *name = WMGetNotificationName(notif);
 417         void *data = WMGetNotificationClientData(notif);
 418
 419         if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
 420                 UpdateSwitchMenuWorkspace(scr, (uintptr_t)data);
 421         } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
 422
 423         }
 424 }