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 #include "common/xscreen.h"
  34
  35 #define MOUSEMASK                       (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
  36
  37 extern AwesomeConf globalconf;
  38
  39 /** Move client with mouse
  40  * \param screen Screen ID
  41  * \param arg Unused
  42  * \ingroup ui_callback
  43  */
  44 void
  45 uicb_client_movemouse(int screen, char *arg __attribute__ ((unused)))
  46 {
  47     int x, y, ocx, ocy, di, phys_screen, newscreen;
  48     unsigned int dui;
  49     Window dummy, child;
  50     XEvent ev;
  51     area_t area, geometry;
  52     Client *c = globalconf.focus->client, *target;
  53     Layout *layout = layout_get_current(screen);
  54
  55     if(!c)
  56         return;
  57
  58     area = screen_get_area(c->screen,
  59                            globalconf.screens[screen].statusbar,
  60                            &globalconf.screens[screen].padding);
  61
  62     ocx = geometry.x = c->geometry.x;
  63     ocy = geometry.y = c->geometry.y;
  64     phys_screen = get_phys_screen(c->screen);
  65     if(XGrabPointer(globalconf.display,
  66                     RootWindow(globalconf.display, phys_screen),
  67                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  68                     RootWindow(globalconf.display, phys_screen),
  69                     globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  70         return;
  71     XQueryPointer(globalconf.display,
  72                   RootWindow(globalconf.display, phys_screen),
  73                   &dummy, &dummy, &x, &y, &di, &di, &dui);
  74     c->ismax = False;
  75     for(;;)
  76     {
  77         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  78         switch (ev.type)
  79         {
  80           case ButtonRelease:
  81             XUngrabPointer(globalconf.display, CurrentTime);
  82             return;
  83           case ConfigureRequest:
  84             event_handle_configurerequest(&ev);
  85             break;
  86           case Expose:
  87             event_handle_expose(&ev);
  88             break;
  89           case MapRequest:
  90             event_handle_maprequest(&ev);
  91             break;
  92           case EnterNotify:
  93             event_handle_enternotify(&ev);
  94             break;
  95           case MotionNotify:
  96             if(c->isfloating || layout->arrange == layout_floating)
  97             {
  98                 geometry.x = ocx + (ev.xmotion.x - x);
  99                 geometry.y = ocy + (ev.xmotion.y - y);
 100                 if(abs(geometry.x) < globalconf.screens[screen].snap + area.x && geometry.x > area.x)
 101                     geometry.x = area.x;
 102                 else if(abs((area.x + area.width) - (geometry.x + c->geometry.width + 2 * c->border))
 103                         < globalconf.screens[screen].snap)
 104                     geometry.x = area.x + area.width - c->geometry.width - 2 * c->border;
 105                 if(abs(geometry.y) < globalconf.screens[screen].snap + area.y && geometry.y > area.y)
 106                     geometry.y = area.y;
 107                 else if(abs((area.y + area.height) - (geometry.y + c->geometry.height + 2 * c->border))
 108                         < globalconf.screens[screen].snap)
 109                     geometry.y = area.y + area.height - c->geometry.height - 2 * c->border;
 110                 geometry.width = c->geometry.width;
 111                 geometry.height = c->geometry.height;
 112                 client_resize(c, geometry);
 113                 while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 114             }
 115             else
 116             {
 117                 XQueryPointer(globalconf.display,
 118                               RootWindow(globalconf.display, phys_screen),
 119                               &dummy, &child, &x, &y, &di, &di, &dui);
 120                 if((newscreen = screen_get_bycoord(globalconf.screens_info, c->screen, x, y)) != c->screen)
 121                 {
 122                     move_client_to_screen(c, newscreen, True);
 123                     globalconf.screens[c->screen].need_arrange = True;
 124                     globalconf.screens[newscreen].need_arrange = True;
 125                     layout_refresh();
 126                 }
 127                 if((target = client_get_bywin(globalconf.clients, child))
 128                    && target != c && !target->isfloating)
 129                 {
 130                     client_list_swap(&globalconf.clients, c, target);
 131                     globalconf.screens[c->screen].need_arrange = True;
 132                     layout_refresh();
 133                 }
 134             }
 135             break;
 136         }
 137     }
 138 }
 139
 140 /** Resize client with mouse
 141  * \param screen Screen ID
 142  * \param arg Unused
 143  * \ingroup ui_callback
 144  */
 145 void
 146 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 147 {
 148     int ocx = 0, ocy = 0, n;
 149     XEvent ev;
 150     Client *c = globalconf.focus->client;
 151     Tag **curtags = tags_get_current(screen);
 152     Layout *layout = curtags[0]->layout;
 153     area_t area = { 0, 0, 0, 0, NULL, NULL }, geometry;
 154     double mwfact;
 155
 156     /* only handle floating and tiled layouts */
 157     if(c && !c->isfixed)
 158     {
 159         if(layout->arrange == layout_floating || c->isfloating)
 160         {
 161             ocx = c->geometry.x;
 162             ocy = c->geometry.y;
 163             c->ismax = False;
 164         }
 165         else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
 166                  || layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
 167         {
 168             for(n = 0, c = globalconf.clients; c; c = c->next)
 169                 if(IS_TILED(c, screen))
 170                     n++;
 171
 172             if(n <= curtags[0]->nmaster) return;
 173
 174             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 175             if(!c) return;
 176
 177             area = screen_get_area(screen,
 178                                    globalconf.screens[c->screen].statusbar,
 179                                    &globalconf.screens[c->screen].padding);
 180         }
 181     }
 182     else
 183         return;
 184
 185     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 186                                                    get_phys_screen(c->screen)),
 187                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 188                     RootWindow(globalconf.display,get_phys_screen(c->screen)),
 189                     globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 190         return;
 191
 192     if(curtags[0]->layout->arrange == layout_tileleft)
 193         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 194     else if(curtags[0]->layout->arrange == layout_tilebottom)
 195         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 196     else if(curtags[0]->layout->arrange == layout_tiletop)
 197         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, 0);
 198     else
 199         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 200
 201     for(;;)
 202     {
 203         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 204         switch (ev.type)
 205         {
 206           case ButtonRelease:
 207             XUngrabPointer(globalconf.display, CurrentTime);
 208             return;
 209           case ConfigureRequest:
 210             event_handle_configurerequest(&ev);
 211             break;
 212           case Expose:
 213             event_handle_expose(&ev);
 214             break;
 215           case MapRequest:
 216             event_handle_maprequest(&ev);
 217             break;
 218           case MotionNotify:
 219             if(layout->arrange == layout_floating || c->isfloating)
 220             {
 221                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 222                     geometry.width = 1;
 223                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 224                     geometry.height = 1;
 225                 geometry.x = c->geometry.x;
 226                 geometry.y = c->geometry.y;
 227                 client_resize(c, client_geometry_hints(c, geometry));
 228             }
 229             else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
 230                     || layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
 231             {
 232                 if(layout->arrange == layout_tile)
 233                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 234                 else if(curtags[0]->layout->arrange == layout_tileleft)
 235                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 236                 else if(curtags[0]->layout->arrange == layout_tilebottom)
 237                     mwfact = (double) (ev.xmotion.y - area.y) / area.height;
 238                 else
 239                     mwfact = 1 - (double) (ev.xmotion.y - area.y) / area.height;
 240                 if(mwfact < 0.1) mwfact = 0.1;
 241                 else if(mwfact > 0.9) mwfact = 0.9;
 242                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.01)
 243                 {
 244                     curtags[0]->mwfact = mwfact;
 245                     globalconf.screens[screen].need_arrange = True;
 246                     layout_refresh();
 247                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 248                 }
 249             }
 250
 251             break;
 252         }
 253     }
 254     p_delete(&curtags);
 255 }
 256
 257 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80