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 "openbox.h"
   8 #include "resist.h"
   9 #include "popup.h"
  10 #include "moveresize.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 static void client_dest(ObClient *c)
  35 {
  36     if (moveresize_client == c)
  37         moveresize_end(TRUE);
  38 }
  39
  40 void moveresize_startup()
  41 {
  42     XSetWindowAttributes attrib;
  43
  44     popup = popup_new(FALSE);
  45     popup_size_to_string(popup, "W:  0000  W:  0000");
  46
  47     attrib.save_under = True;
  48
  49     client_add_destructor(client_dest);
  50 }
  51
  52 void moveresize_shutdown()
  53 {
  54     client_remove_destructor(client_dest);
  55
  56     popup_free(popup);
  57     popup = NULL;
  58 }
  59
  60 static void popup_coords(char *format, int a, int b)
  61 {
  62     char *text;
  63     Rect *area;
  64
  65     text = g_strdup_printf(format, a, b);
  66     area = screen_physical_area_monitor(0);
  67     popup_position(popup, NorthWestGravity,
  68                    POPUP_X + area->x, POPUP_Y + area->y);
  69     popup_show(popup, text, NULL);
  70     g_free(text);
  71 }
  72
  73 void moveresize_start(ObClient *c, int x, int y, guint b, guint32 cnr)
  74 {
  75     ObCursor cur;
  76
  77     g_assert(!moveresize_in_progress);
  78
  79     moveresize_client = c;
  80     start_cx = c->frame->area.x;
  81     start_cy = c->frame->area.y;
  82     start_cw = c->area.width;
  83     start_ch = c->area.height;
  84     start_x = x;
  85     start_y = y;
  86     corner = cnr;
  87     button = b;
  88
  89     /*
  90       have to change start_cx and start_cy if going to do this..
  91     if (corner == prop_atoms.net_wm_moveresize_move_keyboard ||
  92         corner == prop_atoms.net_wm_moveresize_size_keyboard)
  93         XWarpPointer(ob_display, None, c->window, 0, 0, 0, 0,
  94                      c->area.width / 2, c->area.height / 2);
  95     */
  96
  97     if (corner == prop_atoms.net_wm_moveresize_move ||
  98         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
  99         cur_x = start_cx;
 100         cur_y = start_cy;
 101         moving = TRUE;
 102     } else {
 103         cur_x = start_cw;
 104         cur_y = start_ch;
 105         moving = FALSE;
 106     }
 107
 108     moveresize_in_progress = TRUE;
 109
 110     if (corner == prop_atoms.net_wm_moveresize_size_topleft)
 111         cur = OB_CURSOR_NORTHWEST;
 112     else if (corner == prop_atoms.net_wm_moveresize_size_top)
 113         cur = OB_CURSOR_NORTH;
 114     else if (corner == prop_atoms.net_wm_moveresize_size_topright)
 115         cur = OB_CURSOR_NORTHEAST;
 116     else if (corner == prop_atoms.net_wm_moveresize_size_right)
 117         cur = OB_CURSOR_EAST;
 118     else if (corner == prop_atoms.net_wm_moveresize_size_bottomright)
 119         cur = OB_CURSOR_SOUTHEAST;
 120     else if (corner == prop_atoms.net_wm_moveresize_size_bottom)
 121         cur = OB_CURSOR_SOUTH;
 122     else if (corner == prop_atoms.net_wm_moveresize_size_bottomleft)
 123         cur = OB_CURSOR_SOUTHWEST;
 124     else if (corner == prop_atoms.net_wm_moveresize_size_left)
 125         cur = OB_CURSOR_WEST;
 126     else if (corner == prop_atoms.net_wm_moveresize_size_keyboard)
 127         cur = OB_CURSOR_SOUTHEAST;
 128     else if (corner == prop_atoms.net_wm_moveresize_move)
 129         cur = OB_CURSOR_MOVE;
 130     else if (corner == prop_atoms.net_wm_moveresize_move_keyboard)
 131         cur = OB_CURSOR_MOVE;
 132     else
 133         g_assert_not_reached();
 134
 135     grab_pointer(TRUE, cur);
 136     grab_keyboard(TRUE);
 137 }
 138
 139 void moveresize_end(gboolean cancel)
 140 {
 141     grab_keyboard(FALSE);
 142     grab_pointer(FALSE, None);
 143
 144     popup_hide(popup);
 145
 146     if (moving) {
 147         client_move(moveresize_client,
 148                     (cancel ? start_cx : cur_x),
 149                     (cancel ? start_cy : cur_y));
 150     } else {
 151         client_configure(moveresize_client, lockcorner,
 152                          moveresize_client->area.x,
 153                          moveresize_client->area.y,
 154                          (cancel ? start_cw : cur_x),
 155                          (cancel ? start_ch : cur_y), TRUE, TRUE);
 156     }
 157
 158     moveresize_in_progress = FALSE;
 159     moveresize_client = NULL;
 160 }
 161
 162 static void do_move(gboolean resist)
 163 {
 164     Rect *a;
 165
 166     if (resist)
 167         resist_move(moveresize_client, &cur_x, &cur_y);
 168
 169     /* get where the client should be */
 170     frame_frame_gravity(moveresize_client->frame, &cur_x, &cur_y);
 171     client_configure(moveresize_client, OB_CORNER_TOPLEFT, cur_x, cur_y,
 172                      start_cw, start_ch, TRUE, FALSE);
 173
 174     /* this would be better with a fixed width font ... XXX can do it better
 175        if there are 2 text boxes */
 176     a = screen_area(screen_desktop);
 177     popup_coords("X:  %4d  Y:  %4d",
 178                  moveresize_client->frame->area.x - a->x,
 179                  moveresize_client->frame->area.y - a->y);
 180 }
 181
 182 static void do_resize(gboolean resist)
 183 {
 184     if (resist) {
 185         /* resist_size needs the frame size */
 186         cur_x += moveresize_client->frame->size.left +
 187             moveresize_client->frame->size.right;
 188         cur_y += moveresize_client->frame->size.top +
 189             moveresize_client->frame->size.bottom;
 190
 191         resist_size(moveresize_client, &cur_x, &cur_y, lockcorner);
 192
 193         cur_x -= moveresize_client->frame->size.left +
 194             moveresize_client->frame->size.right;
 195         cur_y -= moveresize_client->frame->size.top +
 196             moveresize_client->frame->size.bottom;
 197     }
 198
 199     client_configure(moveresize_client, lockcorner,
 200                      moveresize_client->area.x, moveresize_client->area.y,
 201                      cur_x, cur_y, TRUE, FALSE);
 202
 203     /* this would be better with a fixed width font ... XXX can do it better
 204        if there are 2 text boxes */
 205     popup_coords("W:  %4d  H:  %4d", moveresize_client->logical_size.width,
 206                  moveresize_client->logical_size.height);
 207 }
 208
 209 void moveresize_event(XEvent *e)
 210 {
 211     g_assert(moveresize_in_progress);
 212
 213     if (e->type == ButtonPress) {
 214         if (!button) {
 215             start_x = e->xbutton.x_root;
 216             start_y = e->xbutton.y_root;
 217             button = e->xbutton.button; /* this will end it now */
 218         }
 219     } else if (e->type == ButtonRelease) {
 220         if (!button || e->xbutton.button == button) {
 221             moveresize_end(FALSE);
 222         }
 223     } else if (e->type == MotionNotify) {
 224         if (moving) {
 225             cur_x = start_cx + e->xmotion.x_root - start_x;
 226             cur_y = start_cy + e->xmotion.y_root - start_y;
 227             do_move(TRUE);
 228         } else {
 229             if (corner == prop_atoms.net_wm_moveresize_size_topleft) {
 230                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 231                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 232                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 233             } else if (corner == prop_atoms.net_wm_moveresize_size_top) {
 234                 cur_x = start_cw;
 235                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 236                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 237             } else if (corner == prop_atoms.net_wm_moveresize_size_topright) {
 238                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 239                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 240                 lockcorner = OB_CORNER_BOTTOMLEFT;
 241             } else if (corner == prop_atoms.net_wm_moveresize_size_right) {
 242                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 243                 cur_y = start_ch;
 244                 lockcorner = OB_CORNER_BOTTOMLEFT;
 245             } else if (corner ==
 246                        prop_atoms.net_wm_moveresize_size_bottomright) {
 247                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 248                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 249                 lockcorner = OB_CORNER_TOPLEFT;
 250             } else if (corner == prop_atoms.net_wm_moveresize_size_bottom) {
 251                 cur_x = start_cw;
 252                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 253                 lockcorner = OB_CORNER_TOPLEFT;
 254             } else if (corner ==
 255                        prop_atoms.net_wm_moveresize_size_bottomleft) {
 256                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 257                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 258                 lockcorner = OB_CORNER_TOPRIGHT;
 259             } else if (corner == prop_atoms.net_wm_moveresize_size_left) {
 260                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 261                 cur_y = start_ch;
 262                 lockcorner = OB_CORNER_TOPRIGHT;
 263             } else if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 264                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 265                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 266                 lockcorner = OB_CORNER_TOPLEFT;
 267             } else
 268                 g_assert_not_reached();
 269
 270             do_resize(TRUE);
 271         }
 272     } else if (e->type == KeyPress) {
 273         if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 274             moveresize_end(TRUE);
 275         else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN))
 276             moveresize_end(FALSE);
 277         else {
 278             if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 279                 int dx = 0, dy = 0;
 280
 281                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 282                     dx = MAX(4, moveresize_client->size_inc.width);
 283                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 284                     dx = -MAX(4, moveresize_client->size_inc.width);
 285                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 286                     dy = MAX(4, moveresize_client->size_inc.height);
 287                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 288                     dy = -MAX(4, moveresize_client->size_inc.height);
 289                 else
 290                     return;
 291
 292                 cur_x += dx;
 293                 cur_y += dy;
 294                 XWarpPointer(ob_display, None, None, 0, 0, 0, 0, dx, dy);
 295
 296                 do_resize(FALSE);
 297             } else if (corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 298                 int dx = 0, dy = 0;
 299
 300                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 301                     dx = 4;
 302                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 303                     dx = -4;
 304                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 305                     dy = 4;
 306                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 307                     dy = -4;
 308                 else
 309                     return;
 310
 311                 cur_x += dx;
 312                 cur_y += dy;
 313                 XWarpPointer(ob_display, None, None, 0, 0, 0, 0, dx, dy);
 314
 315                 do_move(FALSE);
 316             }
 317         }
 318     }
 319 }