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, nx, ny, phys_screen;
  47     unsigned int dui;
  48     Window dummy;
  49     XEvent ev;
  50     Area area;
  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 = nx = c->x;
  70     ocy = ny = c->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             nx = ocx + (ev.xmotion.x - x1);
 101             ny = ocy + (ev.xmotion.y - y);
 102             if(abs(nx) < globalconf.screens[screen].snap + area.x && nx > area.x)
 103                 nx = area.x;
 104             else if(abs((area.x + area.width) - (nx + c->w + 2 * c->border)) < globalconf.screens[screen].snap)
 105                 nx = area.x + area.width - c->w - 2 * c->border;
 106             if(abs(ny) < globalconf.screens[screen].snap + area.y && ny > area.y)
 107                 ny = area.y;
 108             else if(abs((area.y + area.height) - (ny + c->h + 2 * c->border)) < globalconf.screens[screen].snap)
 109                 ny = area.y + area.height - c->h - 2 * c->border;
 110             client_resize(c, nx, ny, c->w, c->h, False, 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, ocy, nw, nh, n;
 126     XEvent ev;
 127     Client *c = globalconf.focus->client;
 128     Tag **curtags = get_current_tags(screen);
 129     Area area;
 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->x;
 139             ocy = c->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->h + c->border - 1);
 170     else
 171         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + 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             while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &ev));
 181             return;
 182         case ConfigureRequest:
 183             handle_event_configurerequest(&ev);
 184             break;
 185         case Expose:
 186             handle_event_expose(&ev);
 187             break;
 188         case MapRequest:
 189             handle_event_maprequest(&ev);
 190             break;
 191         case MotionNotify:
 192             if(curtags[0]->layout->arrange == layout_floating || c->isfloating)
 193             {
 194                 if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 195                     nw = 1;
 196                 if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 197                     nh = 1;
 198                 client_resize(c, c->x, c->y, nw, nh, True, False);
 199             }
 200             else if(curtags[0]->layout->arrange == layout_tile
 201                     || curtags[0]->layout->arrange == layout_tileleft)
 202             {
 203                 if(curtags[0]->layout->arrange == layout_tile)
 204                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 205                 else
 206                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 207                 if(mwfact < 0.1) mwfact = 0.1;
 208                 else if(mwfact > 0.9) mwfact = 0.9;
 209                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.05)
 210                 {
 211                     curtags[0]->mwfact = mwfact;
 212                     arrange(screen);
 213                     /* drop possibly arrived events while we where arrange()ing */
 214                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 215                 }
 216             }
 217
 218             break;
 219         }
 220     }
 221     p_delete(&curtags);
 222 }
 223
 224
 225 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80