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 = layout_get_current(screen);
  53
  54     if(!c)
  55         return;
  56
  57     area = screen_get_area(c->screen,
  58                            globalconf.screens[screen].statusbar,
  59                            &globalconf.screens[screen].padding);
  60
  61     ocx = geometry.x = c->geometry.x;
  62     ocy = geometry.y = c->geometry.y;
  63     phys_screen = get_phys_screen(c->screen);
  64     if(XGrabPointer(globalconf.display,
  65                     RootWindow(globalconf.display, phys_screen),
  66                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  67                     RootWindow(globalconf.display, phys_screen),
  68                     globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  69         return;
  70     XQueryPointer(globalconf.display,
  71                   RootWindow(globalconf.display, phys_screen),
  72                   &dummy, &dummy, &x, &y, &di, &di, &dui);
  73     c->ismax = False;
  74     for(;;)
  75     {
  76         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  77         switch (ev.type)
  78         {
  79           case ButtonRelease:
  80             XUngrabPointer(globalconf.display, CurrentTime);
  81             return;
  82           case ConfigureRequest:
  83             handle_event_configurerequest(&ev);
  84             break;
  85           case Expose:
  86             handle_event_expose(&ev);
  87             break;
  88           case MapRequest:
  89             handle_event_maprequest(&ev);
  90             break;
  91           case EnterNotify:
  92             handle_event_enternotify(&ev);
  93             break;
  94           case MotionNotify:
  95             if(c->isfloating || layout->arrange == layout_floating)
  96             {
  97                 geometry.x = ocx + (ev.xmotion.x - x);
  98                 geometry.y = ocy + (ev.xmotion.y - y);
  99                 if(abs(geometry.x) < globalconf.screens[screen].snap + area.x && geometry.x > area.x)
 100                     geometry.x = area.x;
 101                 else if(abs((area.x + area.width) - (geometry.x + c->geometry.width + 2 * c->border))
 102                         < globalconf.screens[screen].snap)
 103                     geometry.x = area.x + area.width - c->geometry.width - 2 * c->border;
 104                 if(abs(geometry.y) < globalconf.screens[screen].snap + area.y && geometry.y > area.y)
 105                     geometry.y = area.y;
 106                 else if(abs((area.y + area.height) - (geometry.y + c->geometry.height + 2 * c->border))
 107                         < globalconf.screens[screen].snap)
 108                     geometry.y = area.y + area.height - c->geometry.height - 2 * c->border;
 109                 geometry.width = c->geometry.width;
 110                 geometry.height = c->geometry.height;
 111                 client_resize(c, geometry, False);
 112                 while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 113             }
 114             else
 115             {
 116                 XQueryPointer(globalconf.display,
 117                               RootWindow(globalconf.display, phys_screen),
 118                               &dummy, &child, &x, &y, &di, &di, &dui);
 119                 if((newscreen = screen_get_bycoord(c->screen, x, y)) != c->screen)
 120                 {
 121                     move_client_to_screen(c, newscreen, True);
 122                     globalconf.screens[c->screen].need_arrange = True;
 123                     globalconf.screens[newscreen].need_arrange = True;
 124                     layout_refresh();
 125                 }
 126                 if((target = client_get_bywin(globalconf.clients, child))
 127                    && target != c && !target->isfloating)
 128                 {
 129                     client_list_swap(&globalconf.clients, c, target);
 130                     globalconf.screens[c->screen].need_arrange = True;
 131                     layout_refresh();
 132                 }
 133             }
 134             break;
 135         }
 136     }
 137 }
 138
 139 /** Resize client with mouse
 140  * \param screen Screen ID
 141  * \param arg Unused
 142  * \ingroup ui_callback
 143  */
 144 void
 145 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 146 {
 147     int ocx = 0, ocy = 0, n;
 148     XEvent ev;
 149     Client *c = globalconf.focus->client;
 150     Tag **curtags = tags_get_current(screen);
 151     Layout *layout = curtags[0]->layout;
 152     Area area = { 0, 0, 0, 0 , NULL}, geometry;
 153     double mwfact;
 154
 155     /* only handle floating and tiled layouts */
 156     if(c && !c->isfixed)
 157     {
 158         if(layout->arrange == layout_floating || c->isfloating)
 159         {
 160             ocx = c->geometry.x;
 161             ocy = c->geometry.y;
 162             c->ismax = False;
 163         }
 164         else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
 165                  || layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
 166         {
 167             for(n = 0, c = globalconf.clients; c; c = c->next)
 168                 if(IS_TILED(c, screen))
 169                     n++;
 170
 171             if(n <= curtags[0]->nmaster) return;
 172
 173             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 174             if(!c) return;
 175
 176             area = screen_get_area(screen,
 177                                    globalconf.screens[c->screen].statusbar,
 178                                    &globalconf.screens[c->screen].padding);
 179         }
 180     }
 181     else
 182         return;
 183
 184     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 185                                                    get_phys_screen(c->screen)),
 186                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 187                     RootWindow(globalconf.display,get_phys_screen(c->screen)),
 188                     globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 189         return;
 190
 191     if(curtags[0]->layout->arrange == layout_tileleft)
 192         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 193     else if(curtags[0]->layout->arrange == layout_tilebottom)
 194         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 195     else if(curtags[0]->layout->arrange == layout_tiletop)
 196         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, 0);
 197     else
 198         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 199
 200     for(;;)
 201     {
 202         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 203         switch (ev.type)
 204         {
 205           case ButtonRelease:
 206             XUngrabPointer(globalconf.display, CurrentTime);
 207             return;
 208           case ConfigureRequest:
 209             handle_event_configurerequest(&ev);
 210             break;
 211           case Expose:
 212             handle_event_expose(&ev);
 213             break;
 214           case MapRequest:
 215             handle_event_maprequest(&ev);
 216             break;
 217           case MotionNotify:
 218             if(layout->arrange == layout_floating || c->isfloating)
 219             {
 220                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 221                     geometry.width = 1;
 222                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 223                     geometry.height = 1;
 224                 geometry.x = c->geometry.x;
 225                 geometry.y = c->geometry.y;
 226                 client_resize(c, geometry, True);
 227             }
 228             else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
 229                     || layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
 230             {
 231                 if(layout->arrange == layout_tile)
 232                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 233                 else if(curtags[0]->layout->arrange == layout_tileleft)
 234                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 235                 else if(curtags[0]->layout->arrange == layout_tilebottom)
 236                     mwfact = (double) (ev.xmotion.y - area.y) / area.height;
 237                 else
 238                     mwfact = 1 - (double) (ev.xmotion.y - area.y) / area.height;
 239                 if(mwfact < 0.1) mwfact = 0.1;
 240                 else if(mwfact > 0.9) mwfact = 0.9;
 241                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.01)
 242                 {
 243                     curtags[0]->mwfact = mwfact;
 244                     globalconf.screens[screen].need_arrange = True;
 245                     layout_refresh();
 246                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 247                 }
 248             }
 249
 250             break;
 251         }
 252     }
 253     p_delete(&curtags);
 254 }
 255
 256 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80