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 "statusbar.h"
  32 #include "client.h"
  33 #include "layouts/floating.h"
  34 #include "layouts/tile.h"
  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 x1, y, ocx, ocy, di, phys_screen;
  47     unsigned int dui;
  48     Window dummy;
  49     XEvent ev;
  50     Area area, geometry;
  51     Client *c = globalconf.focus->client;
  52     Tag **curtags = get_current_tags(screen);
  53
  54     if(!c)
  55         return;
  56
  57     if((curtags[0]->layout->arrange != layout_floating)
  58         && !c->isfloating)
  59         uicb_client_togglefloating(screen, NULL);
  60     else
  61         restack(screen);
  62
  63     p_delete(&curtags);
  64
  65     area = get_screen_area(c->screen,
  66                            globalconf.screens[screen].statusbar,
  67                            &globalconf.screens[screen].padding);
  68
  69     ocx = geometry.x = c->geometry.x;
  70     ocy = geometry.y = c->geometry.y;
  71     phys_screen = get_phys_screen(c->screen);
  72     if(XGrabPointer(globalconf.display,
  73                     RootWindow(globalconf.display, phys_screen),
  74                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  75                     None, globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  76         return;
  77     XQueryPointer(globalconf.display,
  78                   RootWindow(globalconf.display, phys_screen),
  79                   &dummy, &dummy, &x1, &y, &di, &di, &dui);
  80     c->ismax = False;
  81     statusbar_draw_all(c->screen);
  82     for(;;)
  83     {
  84         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  85         switch (ev.type)
  86         {
  87         case ButtonRelease:
  88             XUngrabPointer(globalconf.display, CurrentTime);
  89             return;
  90         case ConfigureRequest:
  91             handle_event_configurerequest(&ev);
  92             break;
  93         case Expose:
  94             handle_event_expose(&ev);
  95             break;
  96         case MapRequest:
  97             handle_event_maprequest(&ev);
  98             break;
  99         case MotionNotify:
 100             geometry.x = ocx + (ev.xmotion.x - x1);
 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)) < globalconf.screens[screen].snap)
 105                 geometry.x = area.x + area.width - c->geometry.width - 2 * c->border;
 106             if(abs(geometry.y) < globalconf.screens[screen].snap + area.y && geometry.y > area.y)
 107                 geometry.y = area.y;
 108             else if(abs((area.y + area.height) - (geometry.y + c->geometry.height + 2 * c->border)) < 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, False);
 113             while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 114             break;
 115         }
 116     }
 117 }
 118
 119 /** Resize client with mouse
 120  * \param screen Screen ID
 121  * \param arg Unused
 122  * \ingroup ui_callback
 123  */
 124 void
 125 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 126 {
 127     int ocx = 0, ocy = 0, n;
 128     XEvent ev;
 129     Client *c = globalconf.focus->client;
 130     Tag **curtags = get_current_tags(screen);
 131     Area area = { 0, 0, 0, 0 }, geometry;
 132     double mwfact;
 133
 134     /* only handle floating and tiled layouts */
 135     if(c && !c->isfixed)
 136     {
 137         if((curtags[0]->layout->arrange == layout_floating) || c->isfloating)
 138         {
 139             restack(screen);
 140             ocx = c->geometry.x;
 141             ocy = c->geometry.y;
 142             c->ismax = False;
 143         }
 144         else if (curtags[0]->layout->arrange == layout_tile
 145                  || curtags[0]->layout->arrange == layout_tileleft)
 146         {
 147             for(n = 0, c = globalconf.clients; c; c = c->next)
 148                 if(IS_TILED(c, screen))
 149                     n++;
 150
 151             if(n <= curtags[0]->nmaster) return;
 152
 153             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 154             if(!c) return;
 155
 156             area = get_screen_area(screen,
 157                                    globalconf.screens[c->screen].statusbar,
 158                                    &globalconf.screens[c->screen].padding);
 159         }
 160     }
 161     else
 162         return;
 163
 164     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 165                                                    get_phys_screen(c->screen)),
 166                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 167                     None, globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 168         return;
 169
 170     if(curtags[0]->layout->arrange == layout_tileleft)
 171         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 172     else
 173         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 174
 175     for(;;)
 176     {
 177         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 178         switch (ev.type)
 179         {
 180         case ButtonRelease:
 181             XUngrabPointer(globalconf.display, CurrentTime);
 182             while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &ev));
 183             return;
 184         case ConfigureRequest:
 185             handle_event_configurerequest(&ev);
 186             break;
 187         case Expose:
 188             handle_event_expose(&ev);
 189             break;
 190         case MapRequest:
 191             handle_event_maprequest(&ev);
 192             break;
 193         case MotionNotify:
 194             if(curtags[0]->layout->arrange == layout_floating || c->isfloating)
 195             {
 196                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 197                     geometry.width = 1;
 198                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 199                     geometry.height = 1;
 200                 geometry.x = c->geometry.x;
 201                 geometry.y = c->geometry.y;
 202                 client_resize(c, geometry, True);
 203             }
 204             else if(curtags[0]->layout->arrange == layout_tile
 205                     || curtags[0]->layout->arrange == layout_tileleft)
 206             {
 207                 if(curtags[0]->layout->arrange == layout_tile)
 208                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 209                 else
 210                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 211                 if(mwfact < 0.1) mwfact = 0.1;
 212                 else if(mwfact > 0.9) mwfact = 0.9;
 213                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.05)
 214                 {
 215                     curtags[0]->mwfact = mwfact;
 216                     arrange(screen);
 217                     /* drop possibly arrived events while we where arrange()ing */
 218                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 219                 }
 220             }
 221
 222             break;
 223         }
 224     }
 225     p_delete(&curtags);
 226 }
 227
 228 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80