* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
*
* scratchpad.c: Moving windows to the scratchpad and making them visible again.
*
void scratchpad_move(Con *con) {
if (con->type == CT_WORKSPACE) {
LOG("'move scratchpad' used on a workspace \"%s\". Calling it "
- "recursively on all windows on this workspace.\n", con->name);
+ "recursively on all windows on this workspace.\n",
+ con->name);
Con *current;
current = TAILQ_FIRST(&(con->focus_head));
while (current) {
return;
}
- /* 1: Ensure the window is floating. From now on, we deal with the
- * CT_FLOATING_CON. We use automatic == false because the user made the
- * choice that this window should be a scratchpad (and floating). */
- floating_enable(con, false);
- con = con->parent;
+ /* If the current con is in fullscreen mode, we need to disable that,
+ * as a scratchpad window should never be in fullscreen mode */
+ if (focused && focused->type != CT_WORKSPACE && focused->fullscreen_mode != CF_NONE) {
+ con_toggle_fullscreen(focused, CF_OUTPUT);
+ }
+
+ /* 1: Ensure the window or any parent is floating. From now on, we deal
+ * with the CT_FLOATING_CON. We use automatic == false because the user
+ * made the choice that this window should be a scratchpad (and floating).
+ */
+ Con *maybe_floating_con = con_inside_floating(con);
+ if (maybe_floating_con == NULL) {
+ floating_enable(con, false);
+ con = con->parent;
+ } else {
+ con = maybe_floating_con;
+ }
/* 2: Send the window to the __i3_scratch workspace, mainting its
* coordinates and not warping the pointer. */
- Con *focus_next = con_next_focused(con);
- con_move_to_workspace(con, __i3_scratch, true, true);
+ con_move_to_workspace(con, __i3_scratch, true, true, false);
/* 3: If this is the first time this window is used as a scratchpad, we set
* the scratchpad_state to SCRATCHPAD_FRESH. The window will then be
* adjusted in size according to what the user specifies. */
if (con->scratchpad_state == SCRATCHPAD_NONE) {
DLOG("This window was never used as a scratchpad before.\n");
- con->scratchpad_state = SCRATCHPAD_FRESH;
+ if (con == maybe_floating_con) {
+ DLOG("It was in floating mode before, set scratchpad state to changed.\n");
+ con->scratchpad_state = SCRATCHPAD_CHANGED;
+ } else {
+ DLOG("It was in tiling mode before, set scratchpad state to fresh.\n");
+ con->scratchpad_state = SCRATCHPAD_FRESH;
+ }
}
-
- /* 4: Fix focus. Normally, when moving a window to a different output, the
- * destination output gets focused. In this case, we don’t want that. */
- con_focus(focus_next);
}
/*
return;
}
+ /* If the current con or any of its parents are in fullscreen mode, we
+ * first need to disable it before showing the scratchpad con. */
+ Con *fs = focused;
+ while (fs && fs->fullscreen_mode == CF_NONE)
+ fs = fs->parent;
+
+ if (fs && fs->type != CT_WORKSPACE) {
+ con_toggle_fullscreen(fs, CF_OUTPUT);
+ }
+
+ /* If this was 'scratchpad show' without criteria, we check if there is a
+ * unfocused scratchpad on the current workspace and focus it */
+ Con *walk_con;
+ Con *focused_ws = con_get_workspace(focused);
+ TAILQ_FOREACH(walk_con, &(focused_ws->floating_head), floating_windows) {
+ if (!con && (floating = con_inside_floating(walk_con)) &&
+ floating->scratchpad_state != SCRATCHPAD_NONE &&
+ floating != con_inside_floating(focused)) {
+ DLOG("Found an unfocused scratchpad window on this workspace\n");
+ DLOG("Focusing it: %p\n", walk_con);
+ /* use con_descend_tiling_focused to get the last focused
+ * window inside this scratch container in order to
+ * keep the focus the same within this container */
+ con_focus(con_descend_tiling_focused(walk_con));
+ return;
+ }
+ }
+
+ /* If this was 'scratchpad show' without criteria, we check if there is a
+ * visible scratchpad window on another workspace. In this case we move it
+ * to the current workspace. */
+ focused_ws = con_get_workspace(focused);
+ TAILQ_FOREACH(walk_con, &all_cons, all_cons) {
+ Con *walk_ws = con_get_workspace(walk_con);
+ if (!con && walk_ws &&
+ !con_is_internal(walk_ws) && focused_ws != walk_ws &&
+ (floating = con_inside_floating(walk_con)) &&
+ floating->scratchpad_state != SCRATCHPAD_NONE) {
+ DLOG("Found a visible scratchpad window on another workspace,\n");
+ DLOG("moving it to this workspace: con = %p\n", walk_con);
+ con_move_to_workspace(walk_con, focused_ws, true, false, false);
+ return;
+ }
+ }
+
+ /* If this was 'scratchpad show' with criteria, we check if the window
+ * is actually in the scratchpad */
+ if (con && con->parent->scratchpad_state == SCRATCHPAD_NONE) {
+ DLOG("Window is not in the scratchpad, doing nothing.\n");
+ return;
+ }
+
/* If this was 'scratchpad show' with criteria, we check if it matches a
* currently visible scratchpad window and hide it. */
Con *active = con_get_workspace(focused);
LOG("Use 'move scratchpad' to move a window to the scratchpad.\n");
return;
}
+ } else {
+ /* We used a criterion, so we need to do what follows (moving,
+ * resizing) on the floating parent. */
+ con = con_inside_floating(con);
}
/* 1: Move the window from __i3_scratch to the current workspace. */
- con_move_to_workspace(con, active, true, false);
+ con_move_to_workspace(con, active, true, false, false);
/* 2: Adjust the size if this window was not adjusted yet. */
if (con->scratchpad_state == SCRATCHPAD_FRESH) {
Con *output = con_get_output(con);
con->rect.width = output->rect.width * 0.5;
con->rect.height = output->rect.height * 0.75;
- con->rect.x = output->rect.x +
- ((output->rect.width / 2.0) - (con->rect.width / 2.0));
- con->rect.y = output->rect.y +
- ((output->rect.height / 2.0) - (con->rect.height / 2.0));
- con->scratchpad_state = SCRATCHPAD_CHANGED;
+ floating_check_size(con);
+ floating_center(con, con_get_workspace(con)->rect);
}
/* Activate active workspace if window is from another workspace to ensure
con_focus(con_descend_focused(con));
}
+
+/*
+ * Greatest common divisor, implemented only for the least common multiple
+ * below.
+ *
+ */
+static int _gcd(const int m, const int n) {
+ if (n == 0)
+ return m;
+ return _gcd(n, (m % n));
+}
+
+/*
+ * Least common multiple. We use it to determine the (ideally not too large)
+ * resolution for the __i3 pseudo-output on which the scratchpad is on (see
+ * below). We could just multiply the resolutions, but for some pathetic cases
+ * (many outputs), using the LCM will achieve better results.
+ *
+ * Man, when you were learning about these two algorithms for the first time,
+ * did you think you’d ever need them in a real-world software project of
+ * yours? I certainly didn’t until now. :-D
+ *
+ */
+static int _lcm(const int m, const int n) {
+ const int o = _gcd(m, n);
+ return ((m * n) / o);
+}
+
+/*
+ * When starting i3 initially (and after each change to the connected outputs),
+ * this function fixes the resolution of the __i3 pseudo-output. When that
+ * resolution is not set to a function which shares a common divisor with every
+ * active output’s resolution, floating point calculation errors will lead to
+ * the scratchpad window moving when shown repeatedly.
+ *
+ */
+void scratchpad_fix_resolution(void) {
+ Con *__i3_scratch = workspace_get("__i3_scratch", NULL);
+ Con *__i3_output = con_get_output(__i3_scratch);
+ DLOG("Current resolution: (%d, %d) %d x %d\n",
+ __i3_output->rect.x, __i3_output->rect.y,
+ __i3_output->rect.width, __i3_output->rect.height);
+ Con *output;
+ int new_width = -1,
+ new_height = -1;
+ TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
+ if (output == __i3_output)
+ continue;
+ DLOG("output %s's resolution: (%d, %d) %d x %d\n",
+ output->name, output->rect.x, output->rect.y,
+ output->rect.width, output->rect.height);
+ if (new_width == -1) {
+ new_width = output->rect.width;
+ new_height = output->rect.height;
+ } else {
+ new_width = _lcm(new_width, output->rect.width);
+ new_height = _lcm(new_height, output->rect.height);
+ }
+ }
+
+ Rect old_rect = __i3_output->rect;
+
+ DLOG("new width = %d, new height = %d\n",
+ new_width, new_height);
+ __i3_output->rect.width = new_width;
+ __i3_output->rect.height = new_height;
+
+ Rect new_rect = __i3_output->rect;
+
+ if (memcmp(&old_rect, &new_rect, sizeof(Rect)) == 0) {
+ DLOG("Scratchpad size unchanged.\n");
+ return;
+ }
+
+ DLOG("Fixing coordinates of scratchpad windows\n");
+ Con *con;
+ TAILQ_FOREACH(con, &(__i3_scratch->floating_head), floating_windows) {
+ floating_fix_coordinates(con, &old_rect, &new_rect);
+ }
+}