Dogcows Code - chaz/openbox/blob - openbox/moveresize.c

   1 #include "grab.h"
   2 #include "framerender.h"
   3 #include "screen.h"
   4 #include "prop.h"
   5 #include "client.h"
   6 #include "frame.h"
   7 #include "dispatch.h"
   8 #include "openbox.h"
   9 #include "popup.h"
  10 #include "config.h"
  11 #include "render/render.h"
  12 #include "render/theme.h"
  13
  14 #include <X11/Xlib.h>
  15 #include <glib.h>
  16
  17 gboolean moveresize_in_progress = FALSE;
  18 ObClient *moveresize_client = NULL;
  19
  20 static gboolean moving = FALSE; /* TRUE - moving, FALSE - resizing */
  21
  22 static int start_x, start_y, start_cx, start_cy, start_cw, start_ch;
  23 static int cur_x, cur_y;
  24 static guint button;
  25 static guint32 corner;
  26 static ObCorner lockcorner;
  27
  28 static Popup *popup = NULL;
  29 static InternalWindow opaque_window = { { Window_Internal }, None };
  30 static GC opaque_gc = None;
  31 static gboolean first_draw = FALSE;
  32
  33 #define POPUP_X (10)
  34 #define POPUP_Y (10)
  35
  36 void moveresize_startup()
  37 {
  38     XSetWindowAttributes attrib;
  39     XGCValues gcv;
  40
  41     popup = popup_new(FALSE);
  42     popup_size_to_string(popup, "W:  0000  W:  0000");
  43
  44     attrib.save_under = True;
  45     opaque_window.win = XCreateWindow(ob_display, ob_root, 0, 0, 1, 1, 0,
  46                                       RrDepth(ob_rr_inst), InputOutput,
  47                                       RrVisual(ob_rr_inst),
  48                                       CWSaveUnder, &attrib);
  49     stacking_add(INTERNAL_AS_WINDOW(&opaque_window));
  50     stacking_raise(INTERNAL_AS_WINDOW(&opaque_window));
  51
  52     /* a GC to invert stuff */
  53     gcv.function = GXxor;
  54     gcv.line_width = ob_rr_theme->bwidth;
  55     gcv.foreground = (WhitePixel(ob_display, ob_screen) ^
  56                       BlackPixel(ob_display, ob_screen));
  57     opaque_gc = XCreateGC(ob_display, opaque_window.win,
  58                           GCFunction | GCForeground | GCLineWidth, &gcv);
  59 }
  60
  61 void moveresize_shutdown()
  62 {
  63     popup_free(popup);
  64     popup = NULL;
  65     stacking_remove(&opaque_window);
  66     XFreeGC(ob_display, opaque_gc);
  67     XDestroyWindow(ob_display, opaque_window.win);
  68 }
  69
  70 static void popup_coords(char *format, int a, int b)
  71 {
  72     char *text;
  73     Rect *area;
  74
  75     text = g_strdup_printf(format, a, b);
  76     area = screen_physical_area_monitor(0);
  77     popup_position(popup, NorthWestGravity,
  78                    POPUP_X + area->x, POPUP_Y + area->y);
  79     popup_show(popup, text, NULL);
  80     g_free(text);
  81 }
  82
  83 void moveresize_start(ObClient *c, int x, int y, guint b, guint32 cnr)
  84 {
  85     ObCursor cur;
  86     Rect *a;
  87
  88     g_assert(!moveresize_in_progress);
  89
  90     moveresize_client = c;
  91     start_cx = c->frame->area.x;
  92     start_cy = c->frame->area.y;
  93     start_cw = c->area.width;
  94     start_ch = c->area.height;
  95     start_x = x;
  96     start_y = y;
  97     if (corner == prop_atoms.net_wm_moveresize_move_keyboard ||
  98         corner == prop_atoms.net_wm_moveresize_size_keyboard)
  99         button = 0; /* mouse can't end it without being pressed first */
 100     else
 101         button = b;
 102     corner = cnr;
 103
 104     if (corner == prop_atoms.net_wm_moveresize_move ||
 105         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 106         cur_x = start_cx;
 107         cur_y = start_cy;
 108         moving = TRUE;
 109     } else {
 110         cur_x = start_cw;
 111         cur_y = start_ch;
 112         moving = FALSE;
 113     }
 114
 115     moveresize_in_progress = TRUE;
 116
 117     if (corner == prop_atoms.net_wm_moveresize_size_topleft)
 118         cur = OB_CURSOR_NORTHWEST;
 119     else if (corner == prop_atoms.net_wm_moveresize_size_top)
 120         cur = OB_CURSOR_NORTH;
 121     else if (corner == prop_atoms.net_wm_moveresize_size_topright)
 122         cur = OB_CURSOR_NORTHEAST;
 123     else if (corner == prop_atoms.net_wm_moveresize_size_right)
 124         cur = OB_CURSOR_EAST;
 125     else if (corner == prop_atoms.net_wm_moveresize_size_bottomright)
 126         cur = OB_CURSOR_SOUTHEAST;
 127     else if (corner == prop_atoms.net_wm_moveresize_size_bottom)
 128         cur = OB_CURSOR_SOUTH;
 129     else if (corner == prop_atoms.net_wm_moveresize_size_bottomleft)
 130         cur = OB_CURSOR_SOUTHWEST;
 131     else if (corner == prop_atoms.net_wm_moveresize_size_left)
 132         cur = OB_CURSOR_WEST;
 133     else if (corner == prop_atoms.net_wm_moveresize_size_keyboard)
 134         cur = OB_CURSOR_SOUTHEAST;
 135     else if (corner == prop_atoms.net_wm_moveresize_move)
 136         cur = OB_CURSOR_MOVE;
 137     else if (corner == prop_atoms.net_wm_moveresize_move_keyboard)
 138         cur = OB_CURSOR_MOVE;
 139     else
 140         g_assert_not_reached();
 141
 142     grab_pointer(TRUE, cur);
 143     grab_keyboard(TRUE);
 144
 145     a = screen_physical_area();
 146
 147     XMoveResizeWindow(ob_display, opaque_window.win,
 148                       a->x, a->y, a->width, a->height);
 149     stacking_raise(INTERNAL_AS_WINDOW(&opaque_window));
 150     if (corner == prop_atoms.net_wm_moveresize_move ||
 151         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 152         if (!config_opaque_move)
 153             XMapWindow(ob_display, opaque_window.win);
 154     } else {
 155         if (!config_opaque_resize)
 156             XMapWindow(ob_display, opaque_window.win);
 157     }
 158     first_draw = TRUE;
 159 }
 160
 161 void moveresize_end(gboolean cancel)
 162 {
 163     XUnmapWindow(ob_display, opaque_window.win);
 164
 165     grab_keyboard(FALSE);
 166     grab_pointer(FALSE, None);
 167
 168     popup_hide(popup);
 169
 170     if (moving) {
 171         client_configure(moveresize_client, OB_CORNER_TOPLEFT,
 172                          (cancel ? start_cx : cur_x),
 173                          (cancel ? start_cy : cur_y),
 174                          start_cw, start_ch, TRUE, TRUE);
 175     } else {
 176         client_configure(moveresize_client, lockcorner,
 177                          moveresize_client->area.x,
 178                          moveresize_client->area.y,
 179                          (cancel ? start_cw : cur_x),
 180                          (cancel ? start_ch : cur_y), TRUE, TRUE);
 181     }
 182
 183     moveresize_in_progress = FALSE;
 184     moveresize_client = NULL;
 185 }
 186
 187 static void do_move()
 188 {
 189     int oldx, oldy, oldw, oldh;
 190
 191     dispatch_move(moveresize_client, &cur_x, &cur_y);
 192
 193     oldx = moveresize_client->frame->area.x;
 194     oldy = moveresize_client->frame->area.y;
 195     oldw = moveresize_client->frame->area.width;
 196     oldh = moveresize_client->frame->area.height;
 197     /* get where the client should be */
 198     frame_frame_gravity(moveresize_client->frame, &cur_x, &cur_y);
 199     client_configure(moveresize_client, OB_CORNER_TOPLEFT, cur_x, cur_y,
 200                      start_cw, start_ch, TRUE, FALSE);
 201     /* draw the new one */
 202     if (moveresize_client->frame->area.x != oldx ||
 203         moveresize_client->frame->area.y != oldy ||
 204         moveresize_client->frame->area.width != oldw ||
 205         moveresize_client->frame->area.height != oldh) {
 206         if (!config_opaque_move)
 207             XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 208                            moveresize_client->frame->area.x,
 209                            moveresize_client->frame->area.y,
 210                            moveresize_client->frame->area.width - 1,
 211                            moveresize_client->frame->area.height - 1);
 212         /* erase the old one */
 213         if (!config_opaque_move && !first_draw)
 214             XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 215                            oldx, oldy, oldw - 1, oldh - 1);
 216         first_draw = FALSE;
 217     }
 218
 219     /* this would be better with a fixed width font ... XXX can do it better
 220        if there are 2 text boxes */
 221     popup_coords("X:  %4d  Y:  %4d", moveresize_client->frame->area.x,
 222                  moveresize_client->frame->area.y);
 223 }
 224
 225 static void do_resize()
 226 {
 227     int oldx, oldy, oldw, oldh;
 228
 229     /* dispatch_resize needs the frame size */
 230     cur_x += moveresize_client->frame->size.left +
 231         moveresize_client->frame->size.right;
 232     cur_y += moveresize_client->frame->size.top +
 233         moveresize_client->frame->size.bottom;
 234
 235     dispatch_resize(moveresize_client, &cur_x, &cur_y, lockcorner);
 236
 237     cur_x -= moveresize_client->frame->size.left +
 238         moveresize_client->frame->size.right;
 239     cur_y -= moveresize_client->frame->size.top +
 240         moveresize_client->frame->size.bottom;
 241
 242     oldx = moveresize_client->frame->area.x;
 243     oldy = moveresize_client->frame->area.y;
 244     oldw = moveresize_client->frame->area.width;
 245     oldh = moveresize_client->frame->area.height;
 246     client_configure(moveresize_client, lockcorner,
 247                      moveresize_client->area.x, moveresize_client->area.y,
 248                      cur_x, cur_y, TRUE, FALSE);
 249     /* draw the new one */
 250     if (!config_opaque_resize)
 251         XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 252                        moveresize_client->frame->area.x,
 253                        moveresize_client->frame->area.y,
 254                        moveresize_client->frame->area.width - 1,
 255                        moveresize_client->frame->area.height - 1);
 256     /* erase the old one */
 257     if (!config_opaque_resize && !first_draw)
 258         XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 259                        oldx, oldy, oldw - 1, oldh - 1);
 260     first_draw = FALSE;
 261
 262     /* this would be better with a fixed width font ... XXX can do it better
 263        if there are 2 text boxes */
 264     popup_coords("W:  %4d  H:  %4d", moveresize_client->logical_size.width,
 265                  moveresize_client->logical_size.height);
 266 }
 267
 268 void moveresize_event(XEvent *e)
 269 {
 270     g_assert(moveresize_in_progress);
 271
 272     if (e->type == ButtonPress) {
 273         if (!button) {
 274             start_x = e->xbutton.x_root;
 275             start_y = e->xbutton.y_root;
 276             button = e->xbutton.button; /* this will end it now */
 277         }
 278     } else if (e->type == ButtonRelease) {
 279         if (!button || e->xbutton.button == button) {
 280             moveresize_end(FALSE);
 281         }
 282     } else if (e->type == MotionNotify) {
 283         if (moving) {
 284             cur_x = start_cx + e->xmotion.x_root - start_x;
 285             cur_y = start_cy + e->xmotion.y_root - start_y;
 286             do_move();
 287         } else {
 288             if (corner == prop_atoms.net_wm_moveresize_size_topleft) {
 289                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 290                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 291                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 292             } else if (corner == prop_atoms.net_wm_moveresize_size_top) {
 293                 cur_x = start_cw;
 294                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 295                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 296             } else if (corner == prop_atoms.net_wm_moveresize_size_topright) {
 297                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 298                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 299                 lockcorner = OB_CORNER_BOTTOMLEFT;
 300             } else if (corner == prop_atoms.net_wm_moveresize_size_right) {
 301                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 302                 cur_y = start_ch;
 303                 lockcorner = OB_CORNER_BOTTOMLEFT;
 304             } else if (corner ==
 305                        prop_atoms.net_wm_moveresize_size_bottomright) {
 306                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 307                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 308                 lockcorner = OB_CORNER_TOPLEFT;
 309             } else if (corner == prop_atoms.net_wm_moveresize_size_bottom) {
 310                 cur_x = start_cw;
 311                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 312                 lockcorner = OB_CORNER_TOPLEFT;
 313             } else if (corner ==
 314                        prop_atoms.net_wm_moveresize_size_bottomleft) {
 315                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 316                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 317                 lockcorner = OB_CORNER_TOPRIGHT;
 318             } else if (corner == prop_atoms.net_wm_moveresize_size_left) {
 319                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 320                 cur_y = start_ch;
 321                 lockcorner = OB_CORNER_TOPRIGHT;
 322             } else if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 323                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 324                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 325                 lockcorner = OB_CORNER_TOPLEFT;
 326             } else
 327                 g_assert_not_reached();
 328
 329             do_resize();
 330         }
 331     } else if (e->type == KeyPress) {
 332         if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 333             moveresize_end(TRUE);
 334         else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN))
 335             moveresize_end(FALSE);
 336         else {
 337             if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 338                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 339                     cur_x += MAX(4, moveresize_client->size_inc.width);
 340                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 341                     cur_x -= MAX(4, moveresize_client->size_inc.width);
 342                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 343                     cur_y += MAX(4, moveresize_client->size_inc.height);
 344                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 345                     cur_y -= MAX(4, moveresize_client->size_inc.height);
 346                 else
 347                     return;
 348                 do_resize();
 349             } else if (corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 350                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 351                     cur_x += 4;
 352                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 353                     cur_x -= 4;
 354                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 355                     cur_y += 4;
 356                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 357                     cur_y -= 4;
 358                 else
 359                     return;
 360                 do_move();
 361             }
 362         }
 363     }
 364 }