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 "render2/render.h"
  11
  12 #include <X11/Xlib.h>
  13 #include <glib.h>
  14
  15 /* XXX temp */
  16 static int theme_bwidth = 1;
  17
  18 gboolean moveresize_in_progress = FALSE;
  19 Client *moveresize_client = NULL;
  20
  21 static gboolean moving = FALSE; /* TRUE - moving, FALSE - resizing */
  22
  23 static int start_x, start_y, start_cx, start_cy, start_cw, start_ch;
  24 static int cur_x, cur_y;
  25 static guint button;
  26 static guint32 corner;
  27 static Corner lockcorner;
  28
  29 static guint button_return, button_escape, button_left, button_right,
  30     button_up, button_down;
  31
  32 static Popup *popup = NULL;
  33 static InternalWindow opaque_window = { { Window_Internal }, None };
  34 static GC opaque_gc = None;
  35 static gboolean first_draw = FALSE;
  36
  37 #define POPUP_X (10)
  38 #define POPUP_Y (10)
  39
  40 void moveresize_startup()
  41 {
  42     XSetWindowAttributes attrib;
  43     XGCValues gcv;
  44
  45     button_return = XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
  46     button_escape = XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
  47     button_left = XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
  48     button_right = XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
  49     button_up = XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
  50     button_down = XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
  51
  52     popup = popup_new(FALSE);
  53     popup_size_to_string(popup, "W:  0000  W:  0000");
  54     popup_position(popup, NorthWestGravity, POPUP_X, POPUP_Y);
  55
  56     attrib.save_under = True;
  57     opaque_window.win = XCreateWindow(ob_display, ob_root, 0, 0, 1, 1, 0,
  58                                       RrInstanceDepth(ob_render_inst),
  59                                       InputOutput,
  60                                       RrInstanceVisual(ob_render_inst),
  61                                       CWSaveUnder, &attrib);
  62     stacking_add(INTERNAL_AS_WINDOW(&opaque_window));
  63     stacking_raise(INTERNAL_AS_WINDOW(&opaque_window));
  64
  65     /* a GC to invert stuff */
  66     gcv.function = GXxor;
  67     gcv.line_width = theme_bwidth;
  68     gcv.foreground = (WhitePixel(ob_display, ob_screen) ^
  69                       BlackPixel(ob_display, ob_screen));
  70     opaque_gc = XCreateGC(ob_display, opaque_window.win,
  71                           GCFunction | GCForeground | GCLineWidth, &gcv);
  72 }
  73
  74 void moveresize_shutdown()
  75 {
  76     popup_free(popup);
  77     popup = NULL;
  78     stacking_remove(&opaque_window);
  79     XFreeGC(ob_display, opaque_gc);
  80     XDestroyWindow(ob_display, opaque_window.win);
  81 }
  82
  83 static void popup_coords(char *format, int a, int b)
  84 {
  85     char *text;
  86
  87     text = g_strdup_printf(format, a, b);
  88     popup_show(popup, text, NULL);
  89     g_free(text);
  90 }
  91
  92 void moveresize_start(Client *c, int x, int y, guint b, guint32 cnr)
  93 {
  94     Cursor cur;
  95
  96     g_assert(!moveresize_in_progress);
  97
  98     moveresize_client = c;
  99     start_cx = c->frame->area.x;
 100     start_cy = c->frame->area.y;
 101     start_cw = c->area.width;
 102     start_ch = c->area.height;
 103     start_x = x;
 104     start_y = y;
 105     if (corner == prop_atoms.net_wm_moveresize_move_keyboard ||
 106         corner == prop_atoms.net_wm_moveresize_size_keyboard)
 107         button = 0; /* mouse can't end it without being pressed first */
 108     else
 109         button = b;
 110     corner = cnr;
 111
 112     if (corner == prop_atoms.net_wm_moveresize_move ||
 113         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 114         cur_x = start_cx;
 115         cur_y = start_cy;
 116         moving = TRUE;
 117     } else {
 118         cur_x = start_cw;
 119         cur_y = start_ch;
 120         moving = FALSE;
 121     }
 122
 123     moveresize_in_progress = TRUE;
 124
 125     if (corner == prop_atoms.net_wm_moveresize_size_topleft)
 126         cur = ob_cursors.tl;
 127     else if (corner == prop_atoms.net_wm_moveresize_size_top)
 128         cur = ob_cursors.t;
 129     else if (corner == prop_atoms.net_wm_moveresize_size_topright)
 130         cur = ob_cursors.tr;
 131     else if (corner == prop_atoms.net_wm_moveresize_size_right)
 132         cur = ob_cursors.r;
 133     else if (corner == prop_atoms.net_wm_moveresize_size_bottomright)
 134         cur = ob_cursors.br;
 135     else if (corner == prop_atoms.net_wm_moveresize_size_bottom)
 136         cur = ob_cursors.b;
 137     else if (corner == prop_atoms.net_wm_moveresize_size_bottomleft)
 138         cur = ob_cursors.bl;
 139     else if (corner == prop_atoms.net_wm_moveresize_size_left)
 140         cur = ob_cursors.l;
 141     else if (corner == prop_atoms.net_wm_moveresize_size_keyboard)
 142         cur = ob_cursors.br;
 143     else if (corner == prop_atoms.net_wm_moveresize_move)
 144         cur = ob_cursors.move;
 145     else if (corner == prop_atoms.net_wm_moveresize_move_keyboard)
 146         cur = ob_cursors.move;
 147     else
 148         g_assert_not_reached();
 149
 150     grab_pointer(TRUE, cur);
 151     grab_keyboard(TRUE);
 152
 153     XResizeWindow(ob_display, opaque_window.win, screen_physical_size.width,
 154                   screen_physical_size.height);
 155     stacking_raise(INTERNAL_AS_WINDOW(&opaque_window));
 156     if (corner == prop_atoms.net_wm_moveresize_move ||
 157         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 158         if (!config_opaque_move)
 159             XMapWindow(ob_display, opaque_window.win);
 160     } else {
 161         if (!config_opaque_resize)
 162             XMapWindow(ob_display, opaque_window.win);
 163     }
 164     first_draw = TRUE;
 165 }
 166
 167 void moveresize_end(gboolean cancel)
 168 {
 169     XUnmapWindow(ob_display, opaque_window.win);
 170
 171     grab_keyboard(FALSE);
 172     grab_pointer(FALSE, None);
 173
 174     popup_hide(popup);
 175
 176     if (moving) {
 177         client_configure(moveresize_client, Corner_TopLeft,
 178                          (cancel ? start_cx : cur_x),
 179                          (cancel ? start_cy : cur_y),
 180                          start_cw, start_ch, TRUE, TRUE);
 181     } else {
 182         client_configure(moveresize_client, lockcorner,
 183                          moveresize_client->area.x,
 184                          moveresize_client->area.y,
 185                          (cancel ? start_cw : cur_x),
 186                          (cancel ? start_ch : cur_y), TRUE, TRUE);
 187     }
 188
 189     moveresize_in_progress = FALSE;
 190     moveresize_client = NULL;
 191 }
 192
 193 static void do_move()
 194 {
 195     int oldx, oldy, oldw, oldh;
 196
 197     dispatch_move(moveresize_client, &cur_x, &cur_y);
 198
 199     oldx = moveresize_client->frame->area.x;
 200     oldy = moveresize_client->frame->area.y;
 201     oldw = moveresize_client->frame->area.width;
 202     oldh = moveresize_client->frame->area.height;
 203     /* get where the client should be */
 204     frame_frame_gravity(moveresize_client->frame, &cur_x, &cur_y);
 205     client_configure(moveresize_client, Corner_TopLeft, cur_x, cur_y,
 206                      start_cw, start_ch, TRUE, FALSE);
 207     /* draw the new one */
 208     if (moveresize_client->frame->area.x != oldx ||
 209         moveresize_client->frame->area.y != oldy ||
 210         moveresize_client->frame->area.width != oldw ||
 211         moveresize_client->frame->area.height != oldh) {
 212         if (!config_opaque_move)
 213             XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 214                            moveresize_client->frame->area.x,
 215                            moveresize_client->frame->area.y,
 216                            moveresize_client->frame->area.width - 1,
 217                            moveresize_client->frame->area.height - 1);
 218         /* erase the old one */
 219         if (!config_opaque_move && !first_draw)
 220             XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 221                            oldx, oldy, oldw - 1, oldh - 1);
 222         first_draw = FALSE;
 223     }
 224
 225     /* this would be better with a fixed width font ... XXX can do it better
 226        if there are 2 text boxes */
 227     popup_coords("X:  %4d  Y:  %4d", moveresize_client->frame->area.x,
 228                  moveresize_client->frame->area.y);
 229 }
 230
 231 static void do_resize()
 232 {
 233     int oldx, oldy, oldw, oldh;
 234
 235     /* dispatch_resize needs the frame size */
 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     dispatch_resize(moveresize_client, &cur_x, &cur_y, lockcorner);
 242
 243     cur_x -= moveresize_client->frame->size.left +
 244         moveresize_client->frame->size.right;
 245     cur_y -= moveresize_client->frame->size.top +
 246         moveresize_client->frame->size.bottom;
 247
 248     oldx = moveresize_client->frame->area.x;
 249     oldy = moveresize_client->frame->area.y;
 250     oldw = moveresize_client->frame->area.width;
 251     oldh = moveresize_client->frame->area.height;
 252     client_configure(moveresize_client, lockcorner,
 253                      moveresize_client->area.x, moveresize_client->area.y,
 254                      cur_x, cur_y, TRUE, FALSE);
 255     /* draw the new one */
 256     if (!config_opaque_resize)
 257         XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 258                        moveresize_client->frame->area.x,
 259                        moveresize_client->frame->area.y,
 260                        moveresize_client->frame->area.width - 1,
 261                        moveresize_client->frame->area.height - 1);
 262     /* erase the old one */
 263     if (!config_opaque_resize && !first_draw)
 264         XDrawRectangle(ob_display, opaque_window.win, opaque_gc,
 265                        oldx, oldy, oldw - 1, oldh - 1);
 266     first_draw = FALSE;
 267
 268     /* this would be better with a fixed width font ... XXX can do it better
 269        if there are 2 text boxes */
 270     popup_coords("W:  %4d  H:  %4d", moveresize_client->logical_size.width,
 271                  moveresize_client->logical_size.height);
 272 }
 273
 274 void moveresize_event(XEvent *e)
 275 {
 276     g_assert(moveresize_in_progress);
 277
 278     if (e->type == ButtonPress) {
 279         if (!button) {
 280             start_x = e->xbutton.x_root;
 281             start_y = e->xbutton.y_root;
 282             button = e->xbutton.button; /* this will end it now */
 283         }
 284     } else if (e->type == ButtonRelease) {
 285         if (!button || e->xbutton.button == button) {
 286             moveresize_end(FALSE);
 287         }
 288     } else if (e->type == MotionNotify) {
 289         if (moving) {
 290             cur_x = start_cx + e->xmotion.x_root - start_x;
 291             cur_y = start_cy + e->xmotion.y_root - start_y;
 292             do_move();
 293         } else {
 294             if (corner == prop_atoms.net_wm_moveresize_size_topleft) {
 295                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 296                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 297                 lockcorner = Corner_BottomRight;
 298             } else if (corner == prop_atoms.net_wm_moveresize_size_top) {
 299                 cur_x = start_cw;
 300                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 301                 lockcorner = Corner_BottomRight;
 302             } else if (corner == prop_atoms.net_wm_moveresize_size_topright) {
 303                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 304                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 305                 lockcorner = Corner_BottomLeft;
 306             } else if (corner == prop_atoms.net_wm_moveresize_size_right) {
 307                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 308                 cur_y = start_ch;
 309                 lockcorner = Corner_BottomLeft;
 310             } else if (corner ==
 311                        prop_atoms.net_wm_moveresize_size_bottomright) {
 312                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 313                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 314                 lockcorner = Corner_TopLeft;
 315             } else if (corner == prop_atoms.net_wm_moveresize_size_bottom) {
 316                 cur_x = start_cw;
 317                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 318                 lockcorner = Corner_TopLeft;
 319             } else if (corner ==
 320                        prop_atoms.net_wm_moveresize_size_bottomleft) {
 321                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 322                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 323                 lockcorner = Corner_TopRight;
 324             } else if (corner == prop_atoms.net_wm_moveresize_size_left) {
 325                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 326                 cur_y = start_ch;
 327                 lockcorner = Corner_TopRight;
 328             } else if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 329                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 330                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 331                 lockcorner = Corner_TopLeft;
 332             } else
 333                 g_assert_not_reached();
 334
 335             do_resize();
 336         }
 337     } else if (e->type == KeyPress) {
 338         if (e->xkey.keycode == button_escape)
 339             moveresize_end(TRUE);
 340         else if (e->xkey.keycode == button_return)
 341             moveresize_end(FALSE);
 342         else {
 343             if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 344                 if (e->xkey.keycode == button_right)
 345                     cur_x += MAX(4, moveresize_client->size_inc.width);
 346                 else if (e->xkey.keycode == button_left)
 347                     cur_x -= MAX(4, moveresize_client->size_inc.width);
 348                 else if (e->xkey.keycode == button_down)
 349                     cur_y += MAX(4, moveresize_client->size_inc.height);
 350                 else if (e->xkey.keycode == button_up)
 351                     cur_y -= MAX(4, moveresize_client->size_inc.height);
 352                 else
 353                     return;
 354                 do_resize();
 355             } else if (corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 356                 if (e->xkey.keycode == button_right)
 357                     cur_x += 4;
 358                 else if (e->xkey.keycode == button_left)
 359                     cur_x -= 4;
 360                 else if (e->xkey.keycode == button_down)
 361                     cur_y += 4;
 362                 else if (e->xkey.keycode == button_up)
 363                     cur_y -= 4;
 364                 else
 365                     return;
 366                 do_move();
 367             }
 368         }
 369     }
 370 }