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 "util.h"
  29 #include "event.h"
  30 #include "window.h"
  31 #include "client.h"
  32 #include "layouts/floating.h"
  33 #include "layouts/tile.h"
  34
  35 extern AwesomeConf globalconf;
  36
  37 /** Move client with mouse
  38  * \param screen Screen ID
  39  * \param arg Unused
  40  * \ingroup ui_callback
  41  */
  42 void
  43 uicb_client_movemouse(int screen, char *arg __attribute__ ((unused)))
  44 {
  45     int x1, y, ocx, ocy, di, phys_screen;
  46     unsigned int dui;
  47     Window dummy;
  48     XEvent ev;
  49     Area area, geometry;
  50     Client *c = globalconf.focus->client;
  51     Tag **curtags = get_current_tags(screen);
  52
  53     if(!c)
  54         return;
  55
  56     if((curtags[0]->layout->arrange != layout_floating)
  57         && !c->isfloating)
  58         uicb_client_togglefloating(screen, (char *) "be nice");
  59     else
  60         restack(screen);
  61
  62     p_delete(&curtags);
  63
  64     area = get_screen_area(c->screen,
  65                            globalconf.screens[screen].statusbar,
  66                            &globalconf.screens[screen].padding);
  67
  68     ocx = geometry.x = c->geometry.x;
  69     ocy = geometry.y = c->geometry.y;
  70     phys_screen = get_phys_screen(c->screen);
  71     if(XGrabPointer(globalconf.display,
  72                     RootWindow(globalconf.display, phys_screen),
  73                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  74                     None, globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  75         return;
  76     XQueryPointer(globalconf.display,
  77                   RootWindow(globalconf.display, phys_screen),
  78                   &dummy, &dummy, &x1, &y, &di, &di, &dui);
  79     c->ismax = False;
  80     for(;;)
  81     {
  82         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  83         switch (ev.type)
  84         {
  85         case ButtonRelease:
  86             XUngrabPointer(globalconf.display, CurrentTime);
  87             return;
  88         case ConfigureRequest:
  89             handle_event_configurerequest(&ev);
  90             break;
  91         case Expose:
  92             handle_event_expose(&ev);
  93             break;
  94         case MapRequest:
  95             handle_event_maprequest(&ev);
  96             break;
  97         case MotionNotify:
  98             geometry.x = ocx + (ev.xmotion.x - x1);
  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)) < 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)) < globalconf.screens[screen].snap)
 107                 geometry.y = area.y + area.height - c->geometry.height - 2 * c->border;
 108             geometry.width = c->geometry.width;
 109             geometry.height = c->geometry.height;
 110             client_resize(c, geometry, False);
 111             while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 112             break;
 113         }
 114     }
 115 }
 116
 117 /** Resize client with mouse
 118  * \param screen Screen ID
 119  * \param arg Unused
 120  * \ingroup ui_callback
 121  */
 122 void
 123 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 124 {
 125     int ocx = 0, ocy = 0, n;
 126     XEvent ev;
 127     Client *c = globalconf.focus->client;
 128     Tag **curtags = get_current_tags(screen);
 129     Area area = { 0, 0, 0, 0 }, geometry;
 130     double mwfact;
 131
 132     /* only handle floating and tiled layouts */
 133     if(c && !c->isfixed)
 134     {
 135         if((curtags[0]->layout->arrange == layout_floating) || c->isfloating)
 136         {
 137             restack(screen);
 138             ocx = c->geometry.x;
 139             ocy = c->geometry.y;
 140             c->ismax = False;
 141         }
 142         else if (curtags[0]->layout->arrange == layout_tile
 143                  || curtags[0]->layout->arrange == layout_tileleft)
 144         {
 145             for(n = 0, c = globalconf.clients; c; c = c->next)
 146                 if(IS_TILED(c, screen))
 147                     n++;
 148
 149             if(n <= curtags[0]->nmaster) return;
 150
 151             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 152             if(!c) return;
 153
 154             area = get_screen_area(screen,
 155                                    globalconf.screens[c->screen].statusbar,
 156                                    &globalconf.screens[c->screen].padding);
 157         }
 158     }
 159     else
 160         return;
 161
 162     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 163                                                    get_phys_screen(c->screen)),
 164                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 165                     None, globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 166         return;
 167
 168     if(curtags[0]->layout->arrange == layout_tileleft)
 169         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 170     else
 171         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 172
 173     for(;;)
 174     {
 175         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 176         switch (ev.type)
 177         {
 178         case ButtonRelease:
 179             XUngrabPointer(globalconf.display, CurrentTime);
 180             return;
 181         case ConfigureRequest:
 182             handle_event_configurerequest(&ev);
 183             break;
 184         case Expose:
 185             handle_event_expose(&ev);
 186             break;
 187         case MapRequest:
 188             handle_event_maprequest(&ev);
 189             break;
 190         case MotionNotify:
 191             if(curtags[0]->layout->arrange == layout_floating || c->isfloating)
 192             {
 193                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 194                     geometry.width = 1;
 195                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 196                     geometry.height = 1;
 197                 geometry.x = c->geometry.x;
 198                 geometry.y = c->geometry.y;
 199                 client_resize(c, geometry, True);
 200             }
 201             else if(curtags[0]->layout->arrange == layout_tile
 202                     || curtags[0]->layout->arrange == layout_tileleft)
 203             {
 204                 if(curtags[0]->layout->arrange == layout_tile)
 205                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 206                 else
 207                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 208                 if(mwfact < 0.1) mwfact = 0.1;
 209                 else if(mwfact > 0.9) mwfact = 0.9;
 210                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.05)
 211                 {
 212                     curtags[0]->mwfact = mwfact;
 213                     arrange(screen);
 214                     /* drop possibly arrived events while we where arrange()ing */
 215                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 216                 }
 217             }
 218
 219             break;
 220         }
 221     }
 222     p_delete(&curtags);
 223 }
 224
 225 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80