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 /********* Global Variables *******/
  48 extern WPreferences wPreferences;
  49
  50 static int initialized = 0;
  51 static void observer(void *self, WMNotification * notif);
  52 static void wsobserver(void *self, WMNotification * notif);
  53
  54 /*
  55  * FocusWindow
  56  *
  57  *  - Needs to check if already in the right workspace before
  58  *    calling wChangeWorkspace?
  59  *
  60  *  Order:
  61  *    Switch to correct workspace
  62  *    Unshade if shaded
  63  *    If iconified then deiconify else focus/raise.
  64  */
  65 static void focusWindow(WMenu * menu, WMenuEntry * entry)
  66 {
  67         WWindow *wwin;
  68         WScreen *scr;
  69         int x, y, move = 0;
  70
  71         wwin = (WWindow *) entry->clientdata;
  72         scr = wwin->screen_ptr;
  73
  74         wMakeWindowVisible(wwin);
  75
  76         x = wwin->frame_x;
  77         y = wwin->frame_y;
  78
  79         /* bring window back to visible area */
  80         move = wScreenBringInside(scr, &x, &y, wwin->frame->core->width, wwin->frame->core->height);
  81
  82         if (move) {
  83                 wWindowConfigure(wwin, x, y, wwin->client.width, wwin->client.height);
  84         }
  85 }
  86
  87 void InitializeSwitchMenu(void)
  88 {
  89         if (!initialized) {
  90                 initialized = 1;
  91
  92                 WMAddNotificationObserver(observer, NULL, WMNManaged, NULL);
  93                 WMAddNotificationObserver(observer, NULL, WMNUnmanaged, NULL);
  94                 WMAddNotificationObserver(observer, NULL, WMNChangedWorkspace, NULL);
  95                 WMAddNotificationObserver(observer, NULL, WMNChangedState, NULL);
  96                 WMAddNotificationObserver(observer, NULL, WMNChangedFocus, NULL);
  97                 WMAddNotificationObserver(observer, NULL, WMNChangedStacking, NULL);
  98                 WMAddNotificationObserver(observer, NULL, WMNChangedName, NULL);
  99
 100                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceChanged, NULL);
 101                 WMAddNotificationObserver(wsobserver, NULL, WMNWorkspaceNameChanged, NULL);
 102         }
 103 }
 104
 105 /*
 106  *
 107  * Open switch menu
 108  *
 109  */
 110 void OpenSwitchMenu(WScreen * scr, int x, int y, int keyboard)
 111 {
 112         WMenu *switchmenu = scr->switch_menu;
 113         WWindow *wwin;
 114
 115         if (switchmenu) {
 116                 if (switchmenu->flags.mapped) {
 117                         if (!switchmenu->flags.buttoned) {
 118                                 wMenuUnmap(switchmenu);
 119                         } else {
 120                                 wRaiseFrame(switchmenu->frame->core);
 121
 122                                 if (keyboard)
 123                                         wMenuMapAt(switchmenu, 0, 0, True);
 124                                 else
 125                                         wMenuMapCopyAt(switchmenu, x - switchmenu->frame->core->width / 2, y);
 126                         }
 127                 } else {
 128                         if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 129                                 y = y - switchmenu->frame->core->height / 2;
 130                         }
 131                         wMenuMapAt(switchmenu, x - switchmenu->frame->core->width / 2, y, keyboard);
 132                 }
 133                 return;
 134         }
 135         switchmenu = wMenuCreate(scr, _("Windows"), True);
 136         scr->switch_menu = switchmenu;
 137
 138         wwin = scr->focused_window;
 139         while (wwin) {
 140                 UpdateSwitchMenu(scr, wwin, ACTION_ADD);
 141
 142                 wwin = wwin->prev;
 143         }
 144
 145         if (switchmenu) {
 146                 int newx, newy;
 147
 148                 if (!switchmenu->flags.realized)
 149                         wMenuRealize(switchmenu);
 150
 151                 if (keyboard && x == 0 && y == 0) {
 152                         newx = newy = 0;
 153                 } else if (keyboard && x == scr->scr_width / 2 && y == scr->scr_height / 2) {
 154                         newx = x - switchmenu->frame->core->width / 2;
 155                         newy = y - switchmenu->frame->core->height / 2;
 156                 } else {
 157                         newx = x - switchmenu->frame->core->width / 2;
 158                         newy = y;
 159                 }
 160                 wMenuMapAt(switchmenu, newx, newy, keyboard);
 161         }
 162 }
 163
 164 static int menuIndexForWindow(WMenu * menu, WWindow * wwin, int old_pos)
 165 {
 166         int idx;
 167
 168         if (menu->entry_no <= old_pos)
 169                 return -1;
 170
 171 #define WS(i)  ((WWindow*)menu->entries[i]->clientdata)->frame->workspace
 172         if (old_pos >= 0) {
 173                 if (WS(old_pos) >= wwin->frame->workspace
 174                     && (old_pos == 0 || WS(old_pos - 1) <= wwin->frame->workspace)) {
 175                         return old_pos;
 176                 }
 177         }
 178 #undef WS
 179
 180         for (idx = 0; idx < menu->entry_no; idx++) {
 181                 WWindow *tw = (WWindow *) menu->entries[idx]->clientdata;
 182
 183                 if (!IS_OMNIPRESENT(tw)
 184                     && tw->frame->workspace > wwin->frame->workspace) {
 185                         break;
 186                 }
 187         }
 188
 189         return idx;
 190 }
 191
 192 /*
 193  * Update switch menu
 194  */
 195 void UpdateSwitchMenu(WScreen * scr, WWindow * wwin, int action)
 196 {
 197         WMenu *switchmenu = scr->switch_menu;
 198         WMenuEntry *entry;
 199         char title[MAX_MENU_TEXT_LENGTH + 6];
 200         int len = sizeof(title);
 201         int i;
 202         int checkVisibility = 0;
 203
 204         if (!wwin->screen_ptr->switch_menu)
 205                 return;
 206         /*
 207          *  This menu is updated under the following conditions:
 208          *
 209          *    1.  When a window is created.
 210          *    2.  When a window is destroyed.
 211          *
 212          *    3.  When a window changes it's title.
 213          *    4.  When a window changes its workspace.
 214          */
 215         if (action == ACTION_ADD) {
 216                 char *t;
 217                 int idx;
 218
 219                 if (wwin->flags.internal_window || WFLAGP(wwin, skip_window_list) || IS_GNUSTEP_MENU(wwin)) {
 220                         return;
 221                 }
 222
 223                 if (wwin->frame->title)
 224                         snprintf(title, len, "%s", wwin->frame->title);
 225                 else
 226                         snprintf(title, len, "%s", DEF_WINDOW_TITLE);
 227                 t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 228
 229                 if (IS_OMNIPRESENT(wwin))
 230                         idx = -1;
 231                 else {
 232                         idx = menuIndexForWindow(switchmenu, wwin, -1);
 233                 }
 234
 235                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 236                 wfree(t);
 237
 238                 entry->flags.indicator = 1;
 239                 entry->rtext = wmalloc(MAX_WORKSPACENAME_WIDTH + 8);
 240                 if (IS_OMNIPRESENT(wwin))
 241                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 242                 else
 243                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 244                                  scr->workspaces[wwin->frame->workspace]->name);
 245
 246                 if (wwin->flags.hidden) {
 247                         entry->flags.indicator_type = MI_HIDDEN;
 248                         entry->flags.indicator_on = 1;
 249                 } else if (wwin->flags.miniaturized) {
 250                         entry->flags.indicator_type = MI_MINIWINDOW;
 251                         entry->flags.indicator_on = 1;
 252                 } else if (wwin->flags.focused) {
 253                         entry->flags.indicator_type = MI_DIAMOND;
 254                         entry->flags.indicator_on = 1;
 255                 } else if (wwin->flags.shaded) {
 256                         entry->flags.indicator_type = MI_SHADED;
 257                         entry->flags.indicator_on = 1;
 258                 }
 259
 260                 wMenuRealize(switchmenu);
 261                 checkVisibility = 1;
 262         } else {
 263                 char *t;
 264                 for (i = 0; i < switchmenu->entry_no; i++) {
 265                         entry = switchmenu->entries[i];
 266                         /* this is the entry that was changed */
 267                         if (entry->clientdata == wwin) {
 268                                 switch (action) {
 269                                 case ACTION_REMOVE:
 270                                         wMenuRemoveItem(switchmenu, i);
 271                                         wMenuRealize(switchmenu);
 272                                         checkVisibility = 1;
 273                                         break;
 274
 275                                 case ACTION_CHANGE:
 276                                         if (entry->text)
 277                                                 wfree(entry->text);
 278
 279                                         if (wwin->frame->title)
 280                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", wwin->frame->title);
 281                                         else
 282                                                 snprintf(title, MAX_MENU_TEXT_LENGTH, "%s", DEF_WINDOW_TITLE);
 283
 284                                         t = ShrinkString(scr->menu_entry_font, title, MAX_WINDOWLIST_WIDTH);
 285                                         entry->text = t;
 286
 287                                         wMenuRealize(switchmenu);
 288                                         checkVisibility = 1;
 289                                         break;
 290
 291                                 case ACTION_CHANGE_WORKSPACE:
 292                                         if (entry->rtext) {
 293                                                 int idx = -1;
 294                                                 char *t, *rt;
 295                                                 int it, ion;
 296
 297                                                 if (IS_OMNIPRESENT(wwin)) {
 298                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 299                                                 } else {
 300                                                         snprintf(entry->rtext, MAX_WORKSPACENAME_WIDTH,
 301                                                                  "[%s]",
 302                                                                  scr->workspaces[wwin->frame->workspace]->name);
 303                                                 }
 304
 305                                                 rt = entry->rtext;
 306                                                 entry->rtext = NULL;
 307                                                 t = entry->text;
 308                                                 entry->text = NULL;
 309
 310                                                 it = entry->flags.indicator_type;
 311                                                 ion = entry->flags.indicator_on;
 312
 313                                                 if (!IS_OMNIPRESENT(wwin) && idx < 0) {
 314                                                         idx = menuIndexForWindow(switchmenu, wwin, i);
 315                                                 }
 316
 317                                                 wMenuRemoveItem(switchmenu, i);
 318
 319                                                 entry = wMenuInsertCallback(switchmenu, idx, t, focusWindow, wwin);
 320                                                 wfree(t);
 321                                                 entry->rtext = rt;
 322                                                 entry->flags.indicator = 1;
 323                                                 entry->flags.indicator_type = it;
 324                                                 entry->flags.indicator_on = ion;
 325                                         }
 326                                         wMenuRealize(switchmenu);
 327                                         checkVisibility = 1;
 328                                         break;
 329
 330                                 case ACTION_CHANGE_STATE:
 331                                         if (wwin->flags.hidden) {
 332                                                 entry->flags.indicator_type = MI_HIDDEN;
 333                                                 entry->flags.indicator_on = 1;
 334                                         } else if (wwin->flags.miniaturized) {
 335                                                 entry->flags.indicator_type = MI_MINIWINDOW;
 336                                                 entry->flags.indicator_on = 1;
 337                                         } else if (wwin->flags.shaded && !wwin->flags.focused) {
 338                                                 entry->flags.indicator_type = MI_SHADED;
 339                                                 entry->flags.indicator_on = 1;
 340                                         } else {
 341                                                 entry->flags.indicator_on = wwin->flags.focused;
 342                                                 entry->flags.indicator_type = MI_DIAMOND;
 343                                         }
 344                                         break;
 345                                 }
 346                                 break;
 347                         }
 348                 }
 349         }
 350         if (checkVisibility) {
 351                 int tmp;
 352
 353                 tmp = switchmenu->frame->top_width + 5;
 354                 /* if menu got unreachable, bring it to a visible place */
 355                 if (switchmenu->frame_x < tmp - (int)switchmenu->frame->core->width) {
 356                         wMenuMove(switchmenu, tmp - (int)switchmenu->frame->core->width,
 357                                   switchmenu->frame_y, False);
 358                 }
 359         }
 360         wMenuPaint(switchmenu);
 361 }
 362
 363 static void UpdateSwitchMenuWorkspace(WScreen *scr, int workspace)
 364 {
 365         WMenu *menu = scr->switch_menu;
 366         int i;
 367         WWindow *wwin;
 368
 369         if (!menu)
 370                 return;
 371
 372         for (i = 0; i < menu->entry_no; i++) {
 373                 wwin = (WWindow *) menu->entries[i]->clientdata;
 374
 375                 if (wwin->frame->workspace == workspace && !IS_OMNIPRESENT(wwin)) {
 376                         if (IS_OMNIPRESENT(wwin))
 377                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[*]");
 378                         else
 379                                 snprintf(menu->entries[i]->rtext, MAX_WORKSPACENAME_WIDTH, "[%s]",
 380                                          scr->workspaces[wwin->frame->workspace]->name);
 381                         menu->flags.realized = 0;
 382                 }
 383         }
 384         if (!menu->flags.realized)
 385                 wMenuRealize(menu);
 386 }
 387
 388 static void observer(void *self, WMNotification * notif)
 389 {
 390         WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
 391         const char *name = WMGetNotificationName(notif);
 392         void *data = WMGetNotificationClientData(notif);
 393
 394         if (!wwin)
 395                 return;
 396
 397         if (strcmp(name, WMNManaged) == 0)
 398                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_ADD);
 399         else if (strcmp(name, WMNUnmanaged) == 0)
 400                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_REMOVE);
 401         else if (strcmp(name, WMNChangedWorkspace) == 0)
 402                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 403         else if (strcmp(name, WMNChangedFocus) == 0)
 404                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 405         else if (strcmp(name, WMNChangedName) == 0)
 406                 UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE);
 407         else if (strcmp(name, WMNChangedState) == 0) {
 408                 if (strcmp((char *)data, "omnipresent") == 0) {
 409                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_WORKSPACE);
 410                 } else {
 411                         UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE_STATE);
 412                 }
 413         }
 414 }
 415
 416 static void wsobserver(void *self, WMNotification * notif)
 417 {
 418         WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
 419         const char *name = WMGetNotificationName(notif);
 420         void *data = WMGetNotificationClientData(notif);
 421
 422         if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
 423                 UpdateSwitchMenuWorkspace(scr, (uintptr_t)data);
 424         } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
 425
 426         }
 427 }