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 x, y, ocx, ocy, di, phys_screen, newscreen;
  46     unsigned int dui;
  47     Window dummy, child;
  48     XEvent ev;
  49     Area area, geometry;
  50     Client *c = globalconf.focus->client, *target;
  51     Layout *layout = get_current_layout(screen);
  52
  53     if(!c)
  54         return;
  55
  56     /* go above everybody */
  57     XMapRaised(globalconf.display, c->win);
  58
  59     area = get_screen_area(c->screen,
  60                            globalconf.screens[screen].statusbar,
  61                            &globalconf.screens[screen].padding);
  62
  63     ocx = geometry.x = c->geometry.x;
  64     ocy = geometry.y = c->geometry.y;
  65     phys_screen = get_phys_screen(c->screen);
  66     if(XGrabPointer(globalconf.display,
  67                     RootWindow(globalconf.display, phys_screen),
  68                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
  69                     RootWindow(globalconf.display, phys_screen),
  70                     globalconf.cursor[CurMove], CurrentTime) != GrabSuccess)
  71         return;
  72     XQueryPointer(globalconf.display,
  73                   RootWindow(globalconf.display, phys_screen),
  74                   &dummy, &dummy, &x, &y, &di, &di, &dui);
  75     c->ismax = False;
  76     for(;;)
  77     {
  78         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
  79         switch (ev.type)
  80         {
  81           case ButtonRelease:
  82             XUngrabPointer(globalconf.display, CurrentTime);
  83             return;
  84           case ConfigureRequest:
  85             handle_event_configurerequest(&ev);
  86             break;
  87           case Expose:
  88             handle_event_expose(&ev);
  89             break;
  90           case MapRequest:
  91             handle_event_maprequest(&ev);
  92             break;
  93           case EnterNotify:
  94             handle_event_enternotify(&ev);
  95             break;
  96           case MotionNotify:
  97             if(c->isfloating || layout->arrange == layout_floating)
  98             {
  99                 geometry.x = ocx + (ev.xmotion.x - x);
 100                 geometry.y = ocy + (ev.xmotion.y - y);
 101                 if(abs(geometry.x) < globalconf.screens[screen].snap + area.x && geometry.x > area.x)
 102                     geometry.x = area.x;
 103                 else if(abs((area.x + area.width) - (geometry.x + c->geometry.width + 2 * c->border))
 104                         < 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))
 109                         < 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             }
 116             else
 117             {
 118                 XQueryPointer(globalconf.display,
 119                               RootWindow(globalconf.display, phys_screen),
 120                               &dummy, &child, &x, &y, &di, &di, &dui);
 121                 if((newscreen = get_screen_bycoord(x, y)) != c->screen)
 122                 {
 123                     move_client_to_screen(c, newscreen, True);
 124                     globalconf.screens[c->screen].need_arrange = True;
 125                     globalconf.screens[newscreen].need_arrange = True;
 126                     layout_refresh();
 127                 }
 128                 if((target = get_client_bywin(globalconf.clients, child))
 129                    && target != c)
 130                 {
 131                     client_list_swap(&globalconf.clients, c, target);
 132                     globalconf.screens[c->screen].need_arrange = True;
 133                     layout_refresh();
 134                 }
 135             }
 136             break;
 137         }
 138     }
 139 }
 140
 141 /** Resize client with mouse
 142  * \param screen Screen ID
 143  * \param arg Unused
 144  * \ingroup ui_callback
 145  */
 146 void
 147 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 148 {
 149     int ocx = 0, ocy = 0, n;
 150     XEvent ev;
 151     Client *c = globalconf.focus->client;
 152     Tag **curtags = get_current_tags(screen);
 153     Layout *layout = curtags[0]->layout;
 154     Area area = { 0, 0, 0, 0 }, geometry;
 155     double mwfact;
 156
 157     /* only handle floating and tiled layouts */
 158     if(c && !c->isfixed)
 159     {
 160         if(layout->arrange == layout_floating || c->isfloating)
 161         {
 162             ocx = c->geometry.x;
 163             ocy = c->geometry.y;
 164             c->ismax = False;
 165         }
 166         else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
 167                  || layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
 168         {
 169             for(n = 0, c = globalconf.clients; c; c = c->next)
 170                 if(IS_TILED(c, screen))
 171                     n++;
 172
 173             if(n <= curtags[0]->nmaster) return;
 174
 175             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 176             if(!c) return;
 177
 178             area = get_screen_area(screen,
 179                                    globalconf.screens[c->screen].statusbar,
 180                                    &globalconf.screens[c->screen].padding);
 181         }
 182     }
 183     else
 184         return;
 185
 186     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 187                                                    get_phys_screen(c->screen)),
 188                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 189                     RootWindow(globalconf.display,get_phys_screen(c->screen)),
 190                     globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 191         return;
 192
 193     if(curtags[0]->layout->arrange == layout_tileleft)
 194         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 195     else if(curtags[0]->layout->arrange == layout_tilebottom)
 196         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 197     else if(curtags[0]->layout->arrange == layout_tiletop)
 198         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, 0);
 199     else
 200         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 201
 202     for(;;)
 203     {
 204         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 205         switch (ev.type)
 206         {
 207           case ButtonRelease:
 208             XUngrabPointer(globalconf.display, CurrentTime);
 209             return;
 210           case ConfigureRequest:
 211             handle_event_configurerequest(&ev);
 212             break;
 213           case Expose:
 214             handle_event_expose(&ev);
 215             break;
 216           case MapRequest:
 217             handle_event_maprequest(&ev);
 218             break;
 219           case MotionNotify:
 220             if(layout->arrange == layout_floating || c->isfloating)
 221             {
 222                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 223                     geometry.width = 1;
 224                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 225                     geometry.height = 1;
 226                 geometry.x = c->geometry.x;
 227                 geometry.y = c->geometry.y;
 228                 client_resize(c, geometry, True);
 229             }
 230             else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
 231                     || layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
 232             {
 233                 if(layout->arrange == layout_tile)
 234                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 235                 else if(curtags[0]->layout->arrange == layout_tileleft)
 236                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 237                 else if(curtags[0]->layout->arrange == layout_tilebottom)
 238                     mwfact = (double) (ev.xmotion.y - area.y) / area.height;
 239                 else
 240                     mwfact = 1 - (double) (ev.xmotion.y - area.y) / area.height;
 241                 if(mwfact < 0.1) mwfact = 0.1;
 242                 else if(mwfact > 0.9) mwfact = 0.9;
 243                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.01)
 244                 {
 245                     curtags[0]->mwfact = mwfact;
 246                     globalconf.screens[screen].need_arrange = True;
 247                     layout_refresh();
 248                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 249                 }
 250             }
 251
 252             break;
 253         }
 254     }
 255     p_delete(&curtags);
 256 }
 257
 258 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80