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     if (corner == prop_atoms.net_wm_moveresize_move ||
  80         corner == prop_atoms.net_wm_moveresize_move_keyboard) {
  81         cur_x = start_cx;
  82         cur_y = start_cy;
  83         moving = TRUE;
  84     } else {
  85         cur_x = start_cw;
  86         cur_y = start_ch;
  87         moving = FALSE;
  88     }
  89
  90     moveresize_in_progress = TRUE;
  91
  92     if (corner == prop_atoms.net_wm_moveresize_size_topleft)
  93         cur = OB_CURSOR_NORTHWEST;
  94     else if (corner == prop_atoms.net_wm_moveresize_size_top)
  95         cur = OB_CURSOR_NORTH;
  96     else if (corner == prop_atoms.net_wm_moveresize_size_topright)
  97         cur = OB_CURSOR_NORTHEAST;
  98     else if (corner == prop_atoms.net_wm_moveresize_size_right)
  99         cur = OB_CURSOR_EAST;
 100     else if (corner == prop_atoms.net_wm_moveresize_size_bottomright)
 101         cur = OB_CURSOR_SOUTHEAST;
 102     else if (corner == prop_atoms.net_wm_moveresize_size_bottom)
 103         cur = OB_CURSOR_SOUTH;
 104     else if (corner == prop_atoms.net_wm_moveresize_size_bottomleft)
 105         cur = OB_CURSOR_SOUTHWEST;
 106     else if (corner == prop_atoms.net_wm_moveresize_size_left)
 107         cur = OB_CURSOR_WEST;
 108     else if (corner == prop_atoms.net_wm_moveresize_size_keyboard)
 109         cur = OB_CURSOR_SOUTHEAST;
 110     else if (corner == prop_atoms.net_wm_moveresize_move)
 111         cur = OB_CURSOR_MOVE;
 112     else if (corner == prop_atoms.net_wm_moveresize_move_keyboard)
 113         cur = OB_CURSOR_MOVE;
 114     else
 115         g_assert_not_reached();
 116
 117     grab_pointer(TRUE, cur);
 118     grab_keyboard(TRUE);
 119 }
 120
 121 void moveresize_end(gboolean cancel)
 122 {
 123     grab_keyboard(FALSE);
 124     grab_pointer(FALSE, None);
 125
 126     popup_hide(popup);
 127
 128     if (moving) {
 129         client_configure(moveresize_client, OB_CORNER_TOPLEFT,
 130                          (cancel ? start_cx : cur_x),
 131                          (cancel ? start_cy : cur_y),
 132                          start_cw, start_ch, TRUE, TRUE);
 133     } else {
 134         client_configure(moveresize_client, lockcorner,
 135                          moveresize_client->area.x,
 136                          moveresize_client->area.y,
 137                          (cancel ? start_cw : cur_x),
 138                          (cancel ? start_ch : cur_y), TRUE, TRUE);
 139     }
 140
 141     moveresize_in_progress = FALSE;
 142     moveresize_client = NULL;
 143 }
 144
 145 static void do_move(gboolean resist)
 146 {
 147     Rect *a;
 148
 149     if (resist)
 150         resist_move(moveresize_client, &cur_x, &cur_y);
 151
 152     dispatch_move(moveresize_client, &cur_x, &cur_y);
 153
 154     /* get where the client should be */
 155     frame_frame_gravity(moveresize_client->frame, &cur_x, &cur_y);
 156     client_configure(moveresize_client, OB_CORNER_TOPLEFT, cur_x, cur_y,
 157                      start_cw, start_ch, TRUE, FALSE);
 158
 159     /* this would be better with a fixed width font ... XXX can do it better
 160        if there are 2 text boxes */
 161     a = screen_area(screen_desktop);
 162     popup_coords("X:  %4d  Y:  %4d",
 163                  moveresize_client->frame->area.x - a->x,
 164                  moveresize_client->frame->area.y - a->y);
 165 }
 166
 167 static void do_resize(gboolean resist)
 168 {
 169     /* dispatch_resize needs the frame size */
 170     cur_x += moveresize_client->frame->size.left +
 171         moveresize_client->frame->size.right;
 172     cur_y += moveresize_client->frame->size.top +
 173         moveresize_client->frame->size.bottom;
 174
 175     if (resist)
 176         resist_size(moveresize_client, &cur_x, &cur_y, lockcorner);
 177
 178     dispatch_resize(moveresize_client, &cur_x, &cur_y, lockcorner);
 179
 180     cur_x -= moveresize_client->frame->size.left +
 181         moveresize_client->frame->size.right;
 182     cur_y -= moveresize_client->frame->size.top +
 183         moveresize_client->frame->size.bottom;
 184
 185     client_configure(moveresize_client, lockcorner,
 186                      moveresize_client->area.x, moveresize_client->area.y,
 187                      cur_x, cur_y, TRUE, FALSE);
 188
 189     /* this would be better with a fixed width font ... XXX can do it better
 190        if there are 2 text boxes */
 191     popup_coords("W:  %4d  H:  %4d", moveresize_client->logical_size.width,
 192                  moveresize_client->logical_size.height);
 193 }
 194
 195 void moveresize_event(XEvent *e)
 196 {
 197     g_assert(moveresize_in_progress);
 198
 199     if (e->type == ButtonPress) {
 200         if (!button) {
 201             start_x = e->xbutton.x_root;
 202             start_y = e->xbutton.y_root;
 203             button = e->xbutton.button; /* this will end it now */
 204         }
 205     } else if (e->type == ButtonRelease) {
 206         if (!button || e->xbutton.button == button) {
 207             moveresize_end(FALSE);
 208         }
 209     } else if (e->type == MotionNotify) {
 210         if (moving) {
 211             cur_x = start_cx + e->xmotion.x_root - start_x;
 212             cur_y = start_cy + e->xmotion.y_root - start_y;
 213             do_move(TRUE);
 214         } else {
 215             if (corner == prop_atoms.net_wm_moveresize_size_topleft) {
 216                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 217                 cur_y = start_ch - (e->xmotion.y_root - start_y);
 218                 lockcorner = OB_CORNER_BOTTOMRIGHT;
 219             } else if (corner == prop_atoms.net_wm_moveresize_size_top) {
 220                 cur_x = start_cw;
 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_topright) {
 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_BOTTOMLEFT;
 227             } else if (corner == prop_atoms.net_wm_moveresize_size_right) {
 228                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 229                 cur_y = start_ch;
 230                 lockcorner = OB_CORNER_BOTTOMLEFT;
 231             } else if (corner ==
 232                        prop_atoms.net_wm_moveresize_size_bottomright) {
 233                 cur_x = start_cw + (e->xmotion.x_root - start_x);
 234                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 235                 lockcorner = OB_CORNER_TOPLEFT;
 236             } else if (corner == prop_atoms.net_wm_moveresize_size_bottom) {
 237                 cur_x = start_cw;
 238                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 239                 lockcorner = OB_CORNER_TOPLEFT;
 240             } else if (corner ==
 241                        prop_atoms.net_wm_moveresize_size_bottomleft) {
 242                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 243                 cur_y = start_ch + (e->xmotion.y_root - start_y);
 244                 lockcorner = OB_CORNER_TOPRIGHT;
 245             } else if (corner == prop_atoms.net_wm_moveresize_size_left) {
 246                 cur_x = start_cw - (e->xmotion.x_root - start_x);
 247                 cur_y = start_ch;
 248                 lockcorner = OB_CORNER_TOPRIGHT;
 249             } else if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 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_TOPLEFT;
 253             } else
 254                 g_assert_not_reached();
 255
 256             do_resize(TRUE);
 257         }
 258     } else if (e->type == KeyPress) {
 259         if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 260             moveresize_end(TRUE);
 261         else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN))
 262             moveresize_end(FALSE);
 263         else {
 264             if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
 265                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 266                     cur_x += MAX(4, moveresize_client->size_inc.width);
 267                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 268                     cur_x -= MAX(4, moveresize_client->size_inc.width);
 269                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 270                     cur_y += MAX(4, moveresize_client->size_inc.height);
 271                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 272                     cur_y -= MAX(4, moveresize_client->size_inc.height);
 273                 else
 274                     return;
 275                 do_resize(FALSE);
 276             } else if (corner == prop_atoms.net_wm_moveresize_move_keyboard) {
 277                 if (e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 278                     cur_x += 4;
 279                 else if (e->xkey.keycode == ob_keycode(OB_KEY_LEFT))
 280                     cur_x -= 4;
 281                 else if (e->xkey.keycode == ob_keycode(OB_KEY_DOWN))
 282                     cur_y += 4;
 283                 else if (e->xkey.keycode == ob_keycode(OB_KEY_UP))
 284                     cur_y -= 4;
 285                 else
 286                     return;
 287                 do_move(FALSE);
 288             }
 289         }
 290     }
 291 }