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