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