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/util.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     Layout *layout = get_current_layout(screen);
  52
  53     if(!c)
  54         return;
  55
  56     if(layout->arrange != layout_floating && !c->isfloating)
  57     {
  58         /* ugly hack: copy current geom to be floating
  59          * because mouse will be far away from window otherwise */
  60         c->f_geometry = c->geometry;
  61         client_setfloating(c, True);
  62     }
  63
  64     /* go above everybody */
  65     XMapRaised(globalconf.display, c->win);
  66
  67     area = get_screen_area(c->screen,
  68                            globalconf.screens[screen].statusbar,
  69                            &globalconf.screens[screen].padding);
  70
  71     ocx = geometry.x = c->geometry.x;
  72     ocy = geometry.y = c->geometry.y;
  73     phys_screen = get_phys_screen(c->screen);
  74     if(XGrabPointer(globalconf.display,
  75                     RootWindow(globalconf.display, phys_screen),
  76                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  77                     None, globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  78         return;
  79     XQueryPointer(globalconf.display,
  80                   RootWindow(globalconf.display, phys_screen),
  81                   &dummy, &dummy, &x1, &y, &di, &di, &dui);
  82     c->ismax = False;
  83     for(;;)
  84     {
  85         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  86         switch (ev.type)
  87         {
  88         case ButtonRelease:
  89             XUngrabPointer(globalconf.display, CurrentTime);
  90             return;
  91         case ConfigureRequest:
  92             handle_event_configurerequest(&ev);
  93             break;
  94         case Expose:
  95             handle_event_expose(&ev);
  96             break;
  97         case MapRequest:
  98             handle_event_maprequest(&ev);
  99             break;
 100         case MotionNotify:
 101             geometry.x = ocx + (ev.xmotion.x - x1);
 102             geometry.y = ocy + (ev.xmotion.y - y);
 103             if(abs(geometry.x) < globalconf.screens[screen].snap + area.x && geometry.x > area.x)
 104                 geometry.x = area.x;
 105             else if(abs((area.x + area.width) - (geometry.x + c->geometry.width + 2 * c->border)) < globalconf.screens[screen].snap)
 106                 geometry.x = area.x + area.width - c->geometry.width - 2 * c->border;
 107             if(abs(geometry.y) < globalconf.screens[screen].snap + area.y && geometry.y > area.y)
 108                 geometry.y = area.y;
 109             else if(abs((area.y + area.height) - (geometry.y + c->geometry.height + 2 * c->border)) < globalconf.screens[screen].snap)
 110                 geometry.y = area.y + area.height - c->geometry.height - 2 * c->border;
 111             geometry.width = c->geometry.width;
 112             geometry.height = c->geometry.height;
 113             client_resize(c, geometry, False);
 114             while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 115             break;
 116         }
 117     }
 118 }
 119
 120 /** Resize client with mouse
 121  * \param screen Screen ID
 122  * \param arg Unused
 123  * \ingroup ui_callback
 124  */
 125 void
 126 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 127 {
 128     int ocx = 0, ocy = 0, n;
 129     XEvent ev;
 130     Client *c = globalconf.focus->client;
 131     Tag **curtags = get_current_tags(screen);
 132     Layout *layout = curtags[0]->layout;
 133     Area area = { 0, 0, 0, 0 }, geometry;
 134     double mwfact;
 135
 136     /* only handle floating and tiled layouts */
 137     if(c && !c->isfixed)
 138     {
 139         if(layout->arrange == layout_floating || c->isfloating)
 140         {
 141             ocx = c->geometry.x;
 142             ocy = c->geometry.y;
 143             c->ismax = False;
 144         }
 145         else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
 146                  || layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
 147         {
 148             for(n = 0, c = globalconf.clients; c; c = c->next)
 149                 if(IS_TILED(c, screen))
 150                     n++;
 151
 152             if(n <= curtags[0]->nmaster) return;
 153
 154             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 155             if(!c) return;
 156
 157             area = get_screen_area(screen,
 158                                    globalconf.screens[c->screen].statusbar,
 159                                    &globalconf.screens[c->screen].padding);
 160         }
 161     }
 162     else
 163         return;
 164
 165     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 166                                                    get_phys_screen(c->screen)),
 167                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 168                     None, globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 169         return;
 170
 171     if(curtags[0]->layout->arrange == layout_tileleft)
 172         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 173     else if(curtags[0]->layout->arrange == layout_tilebottom)
 174         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 175     else if(curtags[0]->layout->arrange == layout_tiletop)
 176         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, 0);
 177     else
 178         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 179
 180     for(;;)
 181     {
 182         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 183         switch (ev.type)
 184         {
 185         case ButtonRelease:
 186             XUngrabPointer(globalconf.display, CurrentTime);
 187             return;
 188         case ConfigureRequest:
 189             handle_event_configurerequest(&ev);
 190             break;
 191         case Expose:
 192             handle_event_expose(&ev);
 193             break;
 194         case MapRequest:
 195             handle_event_maprequest(&ev);
 196             break;
 197         case MotionNotify:
 198             if(layout->arrange == layout_floating || c->isfloating)
 199             {
 200                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 201                     geometry.width = 1;
 202                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 203                     geometry.height = 1;
 204                 geometry.x = c->geometry.x;
 205                 geometry.y = c->geometry.y;
 206                 client_resize(c, geometry, True);
 207             }
 208             else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
 209                     || layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
 210             {
 211                 if(layout->arrange == layout_tile)
 212                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 213                 else if(curtags[0]->layout->arrange == layout_tileleft)
 214                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 215                 else if(curtags[0]->layout->arrange == layout_tilebottom)
 216                     mwfact = (double) (ev.xmotion.y - area.y) / area.height;
 217                 else
 218                     mwfact = 1 - (double) (ev.xmotion.y - area.y) / area.height;
 219                 if(mwfact < 0.1) mwfact = 0.1;
 220                 else if(mwfact > 0.9) mwfact = 0.9;
 221                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.05)
 222                 {
 223                     curtags[0]->mwfact = mwfact;
 224                     globalconf.screens[screen].need_arrange = True;
 225                 }
 226             }
 227
 228             break;
 229         }
 230     }
 231     p_delete(&curtags);
 232 }
 233
 234 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80