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 "resist.h"
  10 #include "popup.h"
  11 #include "config.h"
  12 #include "render/render.h"
  13 #include "render/theme.h"
  14
  15 #include <X11/Xlib.h>
  16 #include <glib.h>
  17
  18 gboolean moveresize_in_progress = FALSE;
  19 ObClient *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 ObCorner lockcorner;
  28
  29 static Popup *popup = NULL;
  30
  31 #define POPUP_X (10)
  32 #define POPUP_Y (10)
  33
  34 void moveresize_startup()
  35 {
  36     XSetWindowAttributes attrib;
  37
  38     popup = popup_new(FALSE);
  39     popup_size_to_string(popup, "W:  0000  W:  0000");
  40
  41     attrib.save_under = True;
  42 }
  43
  44 void moveresize_shutdown()
  45 {
  46     popup_free(popup);
  47     popup = NULL;
  48 }
  49
  50 static void popup_coords(char *format, int a, int b)
  51 {
  52     char *text;
  53     Rect *area;
  54
  55     text = g_strdup_printf(format, a, b);
  56     area = screen_physical_area_monitor(0);
  57     popup_position(popup, NorthWestGravity,
  58                    POPUP_X + area->x, POPUP_Y + area->y);
  59     popup_show(popup, text, NULL);
  60     g_free(text);
  61 }
  62
  63 void moveresize_start(ObClient *c, int x, int y, guint b, guint32 cnr)
  64 {
  65     ObCursor cur;
  66
  67     g_assert(!moveresize_in_progress);
  68
  69     moveresize_client = c;
  70     start_cx = c->frame->area.x;
  71     start_cy = c->frame->area.y;
  72     start_cw = c->area.width;
  73     start_ch = c->area.height;
  74     start_x = x;
  75     start_y = y;
  76     corner = cnr;
  77     button = b;
  78
  79     /*
  80       have to change start_cx and start_cy if going to do this..
  81     if (corner == prop_atoms.net_wm_moveresize_move_keyboard ||
  82         corner == prop_atoms.net_wm_moveresize_size_keyboard)
  83         XWarpPointer(ob_display, None, c->window, 0, 0, 0, 0,
  84                      c->area.width / 2, c->area.height / 2);
  85     */
  86
  87     if (corner == prop_atoms.net_wm_moveresize_move ||
  88         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
  89         cur_x = start_cx;
  90         cur_y = start_cy;
  91         moving = TRUE;
  92     } else {
  93         cur_x = start_cw;
  94         cur_y = start_ch;
  95         moving = FALSE;
  96     }
  97
  98     moveresize_in_progress = TRUE;
  99
 100     if (corner == prop_atoms.net_wm_moveresize_size_topleft)
 101         cur = OB_CURSOR_NORTHWEST;
 102     else if (corner == prop_atoms.net_wm_moveresize_size_top)
 103         cur = OB_CURSOR_NORTH;
 104     else if (corner == prop_atoms.net_wm_moveresize_size_topright)
 105         cur = OB_CURSOR_NORTHEAST;
 106     else if (corner == prop_atoms.net_wm_moveresize_size_right)
 107         cur = OB_CURSOR_EAST;
 108     else if (corner == prop_atoms.net_wm_moveresize_size_bottomright)
 109         cur = OB_CURSOR_SOUTHEAST;
 110     else if (corner == prop_atoms.net_wm_moveresize_size_bottom)
 111         cur = OB_CURSOR_SOUTH;
 112     else if (corner == prop_atoms.net_wm_moveresize_size_bottomleft)
 113         cur = OB_CURSOR_SOUTHWEST;
 114     else if (corner == prop_atoms.net_wm_moveresize_size_left)
 115         cur = OB_CURSOR_WEST;
 116     else if (corner == prop_atoms.net_wm_moveresize_size_keyboard)
 117         cur = OB_CURSOR_SOUTHEAST;
 118     else if (corner == prop_atoms.net_wm_moveresize_move)
 119         cur = OB_CURSOR_MOVE;
 120     else if (corner == prop_atoms.net_wm_moveresize_move_keyboard)
 121         cur = OB_CURSOR_MOVE;
 122     else
 123         g_assert_not_reached();
 124
 125     grab_pointer(TRUE, cur);
 126     grab_keyboard(TRUE);
 127 }
 128
 129 void moveresize_end(gboolean cancel)
 130 {
 131     grab_keyboard(FALSE);
 132     grab_pointer(FALSE, None);
 133
 134     popup_hide(popup);
 135
 136     if (moving) {
 137         client_configure(moveresize_client, OB_CORNER_TOPLEFT,
 138                          (cancel ? start_cx : cur_x),
 139                          (cancel ? start_cy : cur_y),
 140                          start_cw, start_ch, TRUE, TRUE);
 141     } else {
 142         client_configure(moveresize_client, lockcorner,
 143                          moveresize_client->area.x,
 144                          moveresize_client->area.y,
 145                          (cancel ? start_cw : cur_x),
 146                          (cancel ? start_ch : cur_y), TRUE, TRUE);
 147     }
 148
 149     moveresize_in_progress = FALSE;
 150     moveresize_client = NULL;
 151 }
 152
 153 static void do_move(gboolean resist)
 154 {
 155     Rect *a;
 156
 157     if (resist)
 158         resist_move(moveresize_client, &cur_x, &cur_y);
 159
 160     dispatch_move(moveresize_client, &cur_x, &cur_y);
 161
 162     /* get where the client should be */
 163     frame_frame_gravity(moveresize_client->frame, &cur_x, &cur_y);
 164     client_configure(moveresize_client, OB_CORNER_TOPLEFT, cur_x, cur_y,
 165                      start_cw, start_ch, TRUE, FALSE);
 166
 167     /* this would be better with a fixed width font ... XXX can do it better
 168        if there are 2 text boxes */
 169     a = screen_area(screen_desktop);
 170     popup_coords("X:  %4d  Y:  %4d",
 171                  moveresize_client->frame->area.x - a->x,
 172                  moveresize_client->frame->area.y - a->y);
 173 }
 174
 175 static void do_resize(gboolean resist)
 176 {
 177     /* dispatch_resize needs the frame size */
 178     cur_x += moveresize_client->frame->size.left +
 179         moveresize_client->frame->size.right;
 180     cur_y += moveresize_client->frame->size.top +
 181         moveresize_client->frame->size.bottom;
 182
 183     if (resist)
 184         resist_size(moveresize_client, &cur_x, &cur_y, lockcorner);
 185
 186     dispatch_resize(moveresize_client, &cur_x, &cur_y, lockcorner);
 187
 188     cur_x -= moveresize_client->frame->size.left +
 189         moveresize_client->frame->size.right;
 190     cur_y -= moveresize_client->frame->size.top +
 191         moveresize_client->frame->size.bottom;
 192
 193     client_configure(moveresize_client, lockcorner,
 194                      moveresize_client->area.x, moveresize_client->area.y,
 195                      cur_x, cur_y, TRUE, FALSE);
 196
 197     /* this would be better with a fixed width font ... XXX can do it better
 198        if there are 2 text boxes */
 199     popup_coords("W:  %4d  H:  %4d", moveresize_client->logical_size.width,
 200                  moveresize_client->logical_size.height);
 201 }
 202
 203 void moveresize_event(XEvent *e)
 204 {
 205     g_assert(moveresize_in_progress);
 206
 207     if (e->type == ButtonPress) {
 208         if (!button) {
 209             start_x = e->xbutton.x_root;
 210             start_y = e->xbutton.y_root;
 211             button = e->xbutton.button; /* this will end it now */
 212         }
 213     } else if (e->type == ButtonRelease) {
 214         if (!button || e->xbutton.button == button) {
 215             moveresize_end(FALSE);
 216         }
 217     } else if (e->type == MotionNotify) {
 218         if (moving) {
 219             cur_x = start_cx + e->xmotion.x_root - start_x;
 220             cur_y = start_cy + e->xmotion.y_root - start_y;
 221             do_move(TRUE);
 222         } else {
 223             if (corner == prop_atoms.net_wm_moveresize_size_topleft) {
 224                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 225                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 226                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 227             } else if (corner == prop_atoms.net_wm_moveresize_size_top) {
 228                 cur_x = start_cw;
 229                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 230                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 231             } else if (corner == prop_atoms.net_wm_moveresize_size_topright) {
 232                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 233                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 234                 lockcorner = OB_CORNER_BOTTOMLEFT;
 235             } else if (corner == prop_atoms.net_wm_moveresize_size_right) {
 236                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 237                 cur_y = start_ch;
 238                 lockcorner = OB_CORNER_BOTTOMLEFT;
 239             } else if (corner ==
 240                        prop_atoms.net_wm_moveresize_size_bottomright) {
 241                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 242                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 243                 lockcorner = OB_CORNER_TOPLEFT;
 244             } else if (corner == prop_atoms.net_wm_moveresize_size_bottom) {
 245                 cur_x = start_cw;
 246                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 247                 lockcorner = OB_CORNER_TOPLEFT;
 248             } else if (corner ==
 249                        prop_atoms.net_wm_moveresize_size_bottomleft) {
 250                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 251                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 252                 lockcorner = OB_CORNER_TOPRIGHT;
 253             } else if (corner == prop_atoms.net_wm_moveresize_size_left) {
 254                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 255                 cur_y = start_ch;
 256                 lockcorner = OB_CORNER_TOPRIGHT;
 257             } else if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 258                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 259                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 260                 lockcorner = OB_CORNER_TOPLEFT;
 261             } else
 262                 g_assert_not_reached();
 263
 264             do_resize(TRUE);
 265         }
 266     } else if (e->type == KeyPress) {
 267         if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 268             moveresize_end(TRUE);
 269         else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN))
 270             moveresize_end(FALSE);
 271         else {
 272             if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 273                 int dx = 0, dy = 0;
 274
 275                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 276                     dx = MAX(4, moveresize_client->size_inc.width);
 277                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 278                     dx = -MAX(4, moveresize_client->size_inc.width);
 279                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 280                     dy = MAX(4, moveresize_client->size_inc.height);
 281                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 282                     dy = -MAX(4, moveresize_client->size_inc.height);
 283                 else
 284                     return;
 285
 286                 cur_x += dx;
 287                 cur_y += dy;
 288                 XWarpPointer(ob_display, None, None, 0, 0, 0, 0, dx, dy);
 289
 290                 do_resize(FALSE);
 291             } else if (corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 292                 int dx = 0, dy = 0;
 293
 294                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 295                     dx = 4;
 296                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 297                     dx = -4;
 298                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 299                     dy = 4;
 300                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 301                     dy = -4;
 302                 else
 303                     return;
 304
 305                 cur_x += dx;
 306                 cur_y += dy;
 307                 XWarpPointer(ob_display, None, None, 0, 0, 0, 0, dx, dy);
 308
 309                 do_move(FALSE);
 310             }
 311         }
 312     }
 313 }