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 "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, nx, ny;
  46     unsigned int dui;
  47     Window dummy;
  48     XEvent ev;
  49     Area area;
  50     Client *c = globalconf.focus->client;
  51     Tag **curtags = get_current_tags(screen);
  52
  53     if(!c || (c && c->isfixed))
  54         return;
  55
  56     if((curtags[0]->layout->arrange != layout_floating)
  57         && !c->isfloating)
  58         uicb_client_togglefloating(screen, NULL);
  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 = nx = c->x;
  69     ocy = ny = c->y;
  70     if(XGrabPointer(globalconf.display,
  71                     RootWindow(globalconf.display, c->phys_screen),
  72                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  73                     None, globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  74         return;
  75     XQueryPointer(globalconf.display,
  76                   RootWindow(globalconf.display, c->phys_screen),
  77                   &dummy, &dummy, &x1, &y, &di, &di, &dui);
  78     c->ismax = False;
  79     statusbar_draw_all(c->screen);
  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             nx = ocx + (ev.xmotion.x - x1);
  99             ny = ocy + (ev.xmotion.y - y);
 100             if(abs(nx) < globalconf.screens[screen].snap + area.x && nx > area.x)
 101                 nx = area.x;
 102             else if(abs((area.x + area.width) - (nx + c->w + 2 * c->border)) < globalconf.screens[screen].snap)
 103                 nx = area.x + area.width - c->w - 2 * c->border;
 104             if(abs(ny) < globalconf.screens[screen].snap + area.y && ny > area.y)
 105                 ny = area.y;
 106             else if(abs((area.y + area.height) - (ny + c->h + 2 * c->border)) < globalconf.screens[screen].snap)
 107                 ny = area.y + area.height - c->h - 2 * c->border;
 108             client_resize(c, nx, ny, c->w, c->h, False, False);
 109             while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 110             break;
 111         }
 112     }
 113 }
 114
 115 /** Resize client with mouse
 116  * \param screen Screen ID
 117  * \param arg Unused
 118  * \ingroup ui_callback
 119  */
 120 void
 121 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 122 {
 123     int ocx, ocy, nw, nh, n;
 124     XEvent ev;
 125     Client *c = globalconf.focus->client;
 126     Tag **curtags = get_current_tags(screen);
 127     Area area;
 128     double mwfact;
 129
 130     /* only handle floating and tiled layouts */
 131     if(c && !c->isfixed)
 132     {
 133         if((curtags[0]->layout->arrange == layout_floating) || c->isfloating)
 134         {
 135             restack(screen);
 136             ocx = c->x;
 137             ocy = c->y;
 138             c->ismax = False;
 139         }
 140         else if (curtags[0]->layout->arrange == layout_tile
 141                  || curtags[0]->layout->arrange == layout_tileleft)
 142         {
 143             for(n = 0, c = globalconf.clients; c; c = c->next)
 144                 if(IS_TILED(c, screen))
 145                     n++;
 146
 147             if(n <= curtags[0]->nmaster) return;
 148
 149             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 150             if(!c) return;
 151
 152             area = get_screen_area(screen,
 153                                    globalconf.screens[c->screen].statusbar,
 154                                    &globalconf.screens[c->screen].padding);
 155         }
 156     }
 157     else
 158         return;
 159
 160     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display, c->phys_screen),
 161                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 162                     None, globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 163         return;
 164
 165     if(curtags[0]->layout->arrange == layout_tileleft)
 166         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->h + c->border - 1);
 167     else
 168         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
 169
 170     for(;;)
 171     {
 172         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 173         switch (ev.type)
 174         {
 175         case ButtonRelease:
 176             XUngrabPointer(globalconf.display, CurrentTime);
 177             while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &ev));
 178             return;
 179         case ConfigureRequest:
 180             handle_event_configurerequest(&ev);
 181             break;
 182         case Expose:
 183             handle_event_expose(&ev);
 184             break;
 185         case MapRequest:
 186             handle_event_maprequest(&ev);
 187             break;
 188         case MotionNotify:
 189             if(curtags[0]->layout->arrange == layout_floating || c->isfloating)
 190             {
 191                 if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 192                     nw = 1;
 193                 if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 194                     nh = 1;
 195                 client_resize(c, c->x, c->y, nw, nh, True, False);
 196             }
 197             else if(curtags[0]->layout->arrange == layout_tile
 198                     || curtags[0]->layout->arrange == layout_tileleft)
 199             {
 200                 if(curtags[0]->layout->arrange == layout_tile)
 201                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 202                 else
 203                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 204                 if(mwfact < 0.1) mwfact = 0.1;
 205                 else if(mwfact > 0.9) mwfact = 0.9;
 206                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.05)
 207                 {
 208                     curtags[0]->mwfact = mwfact;
 209                     arrange(screen);
 210                     /* drop possibly arrived events while we where arrange()ing */
 211                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 212                 }
 213             }
 214
 215             break;
 216         }
 217     }
 218     p_delete(&curtags);
 219 }
 220
 221
 222 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80