mouse.c

   1 /*
   2  * mouse.c - mouse managing
   3  *
   4  * Copyright © 2007 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <math.h>
  23
  24 #include "mouse.h"
  25 #include "screen.h"
  26 #include "layout.h"
  27 #include "tag.h"
  28 #include "event.h"
  29 #include "window.h"
  30 #include "client.h"
  31 #include "layouts/floating.h"
  32 #include "layouts/tile.h"
  33
  34 #define MOUSEMASK                       (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
  35
  36 extern AwesomeConf globalconf;
  37
  38 /** Move client with mouse
  39  * \param screen Screen ID
  40  * \param arg Unused
  41  * \ingroup ui_callback
  42  */
  43 void
  44 uicb_client_movemouse(int screen, char *arg __attribute__ ((unused)))
  45 {
  46     int x, y, ocx, ocy, di, phys_screen, newscreen;
  47     unsigned int dui;
  48     Window dummy, child;
  49     XEvent ev;
  50     Area area, geometry;
  51     Client *c = globalconf.focus->client, *target;
  52     Layout *layout = get_current_layout(screen);
  53
  54     if(!c)
  55         return;
  56
  57     /* go above everybody */
  58     XMapRaised(globalconf.display, c->win);
  59
  60     area = screen_get_area(c->screen,
  61                            globalconf.screens[screen].statusbar,
  62                            &globalconf.screens[screen].padding);
  63
  64     ocx = geometry.x = c->geometry.x;
  65     ocy = geometry.y = c->geometry.y;
  66     phys_screen = get_phys_screen(c->screen);
  67     if(XGrabPointer(globalconf.display,
  68                     RootWindow(globalconf.display, phys_screen),
  69                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  70                     RootWindow(globalconf.display, phys_screen),
  71                     globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  72         return;
  73     XQueryPointer(globalconf.display,
  74                   RootWindow(globalconf.display, phys_screen),
  75                   &dummy, &dummy, &x, &y, &di, &di, &dui);
  76     c->ismax = False;
  77     for(;;)
  78     {
  79         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  80         switch (ev.type)
  81         {
  82           case ButtonRelease:
  83             XUngrabPointer(globalconf.display, CurrentTime);
  84             return;
  85           case ConfigureRequest:
  86             handle_event_configurerequest(&ev);
  87             break;
  88           case Expose:
  89             handle_event_expose(&ev);
  90             break;
  91           case MapRequest:
  92             handle_event_maprequest(&ev);
  93             break;
  94           case EnterNotify:
  95             handle_event_enternotify(&ev);
  96             break;
  97           case MotionNotify:
  98             if(c->isfloating || layout->arrange == layout_floating)
  99             {
 100                 geometry.x = ocx + (ev.xmotion.x - x);
 101                 geometry.y = ocy + (ev.xmotion.y - y);
 102                 if(abs(geometry.x) < globalconf.screens[screen].snap + area.x && geometry.x > area.x)
 103                     geometry.x = area.x;
 104                 else if(abs((area.x + area.width) - (geometry.x + c->geometry.width + 2 * c->border))
 105                         < globalconf.screens[screen].snap)
 106                     geometry.x = area.x + area.width - c->geometry.width - 2 * c->border;
 107                 if(abs(geometry.y) < globalconf.screens[screen].snap + area.y && geometry.y > area.y)
 108                     geometry.y = area.y;
 109                 else if(abs((area.y + area.height) - (geometry.y + c->geometry.height + 2 * c->border))
 110                         < globalconf.screens[screen].snap)
 111                     geometry.y = area.y + area.height - c->geometry.height - 2 * c->border;
 112                 geometry.width = c->geometry.width;
 113                 geometry.height = c->geometry.height;
 114                 client_resize(c, geometry, False);
 115                 while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 116             }
 117             else
 118             {
 119                 XQueryPointer(globalconf.display,
 120                               RootWindow(globalconf.display, phys_screen),
 121                               &dummy, &child, &x, &y, &di, &di, &dui);
 122                 if((newscreen = screen_get_bycoord(x, y)) != c->screen)
 123                 {
 124                     move_client_to_screen(c, newscreen, True);
 125                     globalconf.screens[c->screen].need_arrange = True;
 126                     globalconf.screens[newscreen].need_arrange = True;
 127                     layout_refresh();
 128                 }
 129                 if((target = client_get_bywin(globalconf.clients, child))
 130                    && target != c)
 131                 {
 132                     client_list_swap(&globalconf.clients, c, target);
 133                     globalconf.screens[c->screen].need_arrange = True;
 134                     layout_refresh();
 135                 }
 136             }
 137             break;
 138         }
 139     }
 140 }
 141
 142 /** Resize client with mouse
 143  * \param screen Screen ID
 144  * \param arg Unused
 145  * \ingroup ui_callback
 146  */
 147 void
 148 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 149 {
 150     int ocx = 0, ocy = 0, n;
 151     XEvent ev;
 152     Client *c = globalconf.focus->client;
 153     Tag **curtags = tags_get_current(screen);
 154     Layout *layout = curtags[0]->layout;
 155     Area area = { 0, 0, 0, 0 , NULL}, geometry;
 156     double mwfact;
 157
 158     /* only handle floating and tiled layouts */
 159     if(c && !c->isfixed)
 160     {
 161         if(layout->arrange == layout_floating || c->isfloating)
 162         {
 163             ocx = c->geometry.x;
 164             ocy = c->geometry.y;
 165             c->ismax = False;
 166         }
 167         else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
 168                  || layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
 169         {
 170             for(n = 0, c = globalconf.clients; c; c = c->next)
 171                 if(IS_TILED(c, screen))
 172                     n++;
 173
 174             if(n <= curtags[0]->nmaster) return;
 175
 176             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 177             if(!c) return;
 178
 179             area = screen_get_area(screen,
 180                                    globalconf.screens[c->screen].statusbar,
 181                                    &globalconf.screens[c->screen].padding);
 182         }
 183     }
 184     else
 185         return;
 186
 187     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 188                                                    get_phys_screen(c->screen)),
 189                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 190                     RootWindow(globalconf.display,get_phys_screen(c->screen)),
 191                     globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 192         return;
 193
 194     if(curtags[0]->layout->arrange == layout_tileleft)
 195         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 196     else if(curtags[0]->layout->arrange == layout_tilebottom)
 197         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 198     else if(curtags[0]->layout->arrange == layout_tiletop)
 199         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, 0);
 200     else
 201         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 202
 203     for(;;)
 204     {
 205         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 206         switch (ev.type)
 207         {
 208           case ButtonRelease:
 209             XUngrabPointer(globalconf.display, CurrentTime);
 210             return;
 211           case ConfigureRequest:
 212             handle_event_configurerequest(&ev);
 213             break;
 214           case Expose:
 215             handle_event_expose(&ev);
 216             break;
 217           case MapRequest:
 218             handle_event_maprequest(&ev);
 219             break;
 220           case MotionNotify:
 221             if(layout->arrange == layout_floating || c->isfloating)
 222             {
 223                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 224                     geometry.width = 1;
 225                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 226                     geometry.height = 1;
 227                 geometry.x = c->geometry.x;
 228                 geometry.y = c->geometry.y;
 229                 client_resize(c, geometry, True);
 230             }
 231             else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
 232                     || layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
 233             {
 234                 if(layout->arrange == layout_tile)
 235                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 236                 else if(curtags[0]->layout->arrange == layout_tileleft)
 237                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 238                 else if(curtags[0]->layout->arrange == layout_tilebottom)
 239                     mwfact = (double) (ev.xmotion.y - area.y) / area.height;
 240                 else
 241                     mwfact = 1 - (double) (ev.xmotion.y - area.y) / area.height;
 242                 if(mwfact < 0.1) mwfact = 0.1;
 243                 else if(mwfact > 0.9) mwfact = 0.9;
 244                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.01)
 245                 {
 246                     curtags[0]->mwfact = mwfact;
 247                     globalconf.screens[screen].need_arrange = True;
 248                     layout_refresh();
 249                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 250                 }
 251             }
 252
 253             break;
 254         }
 255     }
 256     p_delete(&curtags);
 257 }
 258
 259 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80