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             if(!c->isfloating && layout->arrange != layout_floating)
  83             {
  84                 XQueryPointer(globalconf.display, RootWindow(globalconf.display, phys_screen),
  85                               &dummy, &child, &x, &y, &di, &di, &dui);
  86                 if((newscreen = get_screen_bycoord(x, y)) != screen)
  87                 {
  88                     move_client_to_screen(c, newscreen, True);
  89                     globalconf.screens[screen].need_arrange = True;
  90                     globalconf.screens[newscreen].need_arrange = True;
  91                 }
  92                 if((target = get_client_bywin(globalconf.clients, child)) && target != c)
  93                 {
  94                     client_list_swap(&globalconf.clients, c, target);
  95                     globalconf.screens[screen].need_arrange = True;
  96                 }
  97             }
  98             XUngrabPointer(globalconf.display, CurrentTime);
  99             return;
 100           case ConfigureRequest:
 101             handle_event_configurerequest(&ev);
 102             break;
 103           case Expose:
 104             handle_event_expose(&ev);
 105             break;
 106           case MapRequest:
 107             handle_event_maprequest(&ev);
 108             break;
 109           case EnterNotify:
 110             handle_event_enternotify(&ev);
 111             break;
 112           case MotionNotify:
 113             if(c->isfloating || layout->arrange == layout_floating)
 114             {
 115                 geometry.x = ocx + (ev.xmotion.x - x);
 116                 geometry.y = ocy + (ev.xmotion.y - y);
 117                 if(abs(geometry.x) < globalconf.screens[screen].snap + area.x && geometry.x > area.x)
 118                     geometry.x = area.x;
 119                 else if(abs((area.x + area.width) - (geometry.x + c->geometry.width + 2 * c->border))
 120                         < globalconf.screens[screen].snap)
 121                     geometry.x = area.x + area.width - c->geometry.width - 2 * c->border;
 122                 if(abs(geometry.y) < globalconf.screens[screen].snap + area.y && geometry.y > area.y)
 123                     geometry.y = area.y;
 124                 else if(abs((area.y + area.height) - (geometry.y + c->geometry.height + 2 * c->border))
 125                         < globalconf.screens[screen].snap)
 126                     geometry.y = area.y + area.height - c->geometry.height - 2 * c->border;
 127                 geometry.width = c->geometry.width;
 128                 geometry.height = c->geometry.height;
 129                 client_resize(c, geometry, False);
 130                 while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 131             }
 132             break;
 133         }
 134     }
 135 }
 136
 137 /** Resize client with mouse
 138  * \param screen Screen ID
 139  * \param arg Unused
 140  * \ingroup ui_callback
 141  */
 142 void
 143 uicb_client_resizemouse(int screen, char *arg __attribute__ ((unused)))
 144 {
 145     int ocx = 0, ocy = 0, n;
 146     XEvent ev;
 147     Client *c = globalconf.focus->client;
 148     Tag **curtags = get_current_tags(screen);
 149     Layout *layout = curtags[0]->layout;
 150     Area area = { 0, 0, 0, 0 }, geometry;
 151     double mwfact;
 152
 153     /* only handle floating and tiled layouts */
 154     if(c && !c->isfixed)
 155     {
 156         if(layout->arrange == layout_floating || c->isfloating)
 157         {
 158             ocx = c->geometry.x;
 159             ocy = c->geometry.y;
 160             c->ismax = False;
 161         }
 162         else if (layout->arrange == layout_tile || layout->arrange == layout_tileleft
 163                  || layout->arrange == layout_tilebottom || layout->arrange == layout_tiletop)
 164         {
 165             for(n = 0, c = globalconf.clients; c; c = c->next)
 166                 if(IS_TILED(c, screen))
 167                     n++;
 168
 169             if(n <= curtags[0]->nmaster) return;
 170
 171             for(c = globalconf.clients; c && !IS_TILED(c, screen); c = c->next);
 172             if(!c) return;
 173
 174             area = get_screen_area(screen,
 175                                    globalconf.screens[c->screen].statusbar,
 176                                    &globalconf.screens[c->screen].padding);
 177         }
 178     }
 179     else
 180         return;
 181
 182     if(XGrabPointer(globalconf.display, RootWindow(globalconf.display,
 183                                                    get_phys_screen(c->screen)),
 184                     False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 185                     RootWindow(globalconf.display,get_phys_screen(c->screen)),
 186                     globalconf.cursor[CurResize], CurrentTime) != GrabSuccess)
 187         return;
 188
 189     if(curtags[0]->layout->arrange == layout_tileleft)
 190         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, 0, c->geometry.height + c->border - 1);
 191     else if(curtags[0]->layout->arrange == layout_tilebottom)
 192         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 193     else if(curtags[0]->layout->arrange == layout_tiletop)
 194         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, 0);
 195     else
 196         XWarpPointer(globalconf.display, None, c->win, 0, 0, 0, 0, c->geometry.width + c->border - 1, c->geometry.height + c->border - 1);
 197
 198     for(;;)
 199     {
 200         XMaskEvent(globalconf.display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
 201         switch (ev.type)
 202         {
 203           case ButtonRelease:
 204             XUngrabPointer(globalconf.display, CurrentTime);
 205             return;
 206           case ConfigureRequest:
 207             handle_event_configurerequest(&ev);
 208             break;
 209           case Expose:
 210             handle_event_expose(&ev);
 211             break;
 212           case MapRequest:
 213             handle_event_maprequest(&ev);
 214             break;
 215           case MotionNotify:
 216             if(layout->arrange == layout_floating || c->isfloating)
 217             {
 218                 if((geometry.width = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
 219                     geometry.width = 1;
 220                 if((geometry.height = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
 221                     geometry.height = 1;
 222                 geometry.x = c->geometry.x;
 223                 geometry.y = c->geometry.y;
 224                 client_resize(c, geometry, True);
 225             }
 226             else if(layout->arrange == layout_tile || layout->arrange == layout_tileleft
 227                     || layout->arrange == layout_tiletop || layout->arrange == layout_tilebottom)
 228             {
 229                 if(layout->arrange == layout_tile)
 230                     mwfact = (double) (ev.xmotion.x - area.x) / area.width;
 231                 else if(curtags[0]->layout->arrange == layout_tileleft)
 232                     mwfact = 1 - (double) (ev.xmotion.x - area.x) / area.width;
 233                 else if(curtags[0]->layout->arrange == layout_tilebottom)
 234                     mwfact = (double) (ev.xmotion.y - area.y) / area.height;
 235                 else
 236                     mwfact = 1 - (double) (ev.xmotion.y - area.y) / area.height;
 237                 if(mwfact < 0.1) mwfact = 0.1;
 238                 else if(mwfact > 0.9) mwfact = 0.9;
 239                 if(fabs(curtags[0]->mwfact - mwfact) >= 0.01)
 240                 {
 241                     curtags[0]->mwfact = mwfact;
 242                     globalconf.screens[screen].need_arrange = True;
 243                     layout_refresh();
 244                     while(XCheckMaskEvent(globalconf.display, PointerMotionMask, &ev));
 245                 }
 246             }
 247
 248             break;
 249         }
 250     }
 251     p_delete(&curtags);
 252 }
 253
 254 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80