+#undef I3__FILE__
+#define I3__FILE__ "scratchpad.c"
/*
* vim:ts=4:sw=4:expandtab
*
*
*/
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);
+ Con *current;
+ current = TAILQ_FIRST(&(con->focus_head));
+ while (current) {
+ Con *next = TAILQ_NEXT(current, focused);
+ scratchpad_move(current);
+ current = next;
+ }
+ return;
+ }
DLOG("should move con %p to __i3_scratch\n", con);
Con *__i3_scratch = workspace_get("__i3_scratch", NULL);
/* 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);
+ if (con_get_workspace(focus_next) == con_get_workspace(focused))
+ con_focus(focus_next);
}
/*
Con *__i3_scratch = workspace_get("__i3_scratch", NULL);
Con *floating;
+ /* 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->type != CT_WORKSPACE) {
+ con_toggle_fullscreen(focused, CF_OUTPUT);
+ }
+
/* If this was 'scratchpad show' without criteria, we check if the
* currently focused window is a scratchpad window and should be hidden
* again. */
/* 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);
+ Con *current = con_get_workspace(con);
if (con &&
(floating = con_inside_floating(con)) &&
floating->scratchpad_state != SCRATCHPAD_NONE &&
- con_get_workspace(con) != __i3_scratch) {
- DLOG("Window is a scratchpad window, hiding it.\n");
- scratchpad_move(con);
- return;
+ current != __i3_scratch) {
+ /* If scratchpad window is on the active workspace, then we should hide
+ * it, otherwise we should move it to the active workspace. */
+ if (current == active) {
+ DLOG("Window is a scratchpad window, hiding it.\n");
+ scratchpad_move(con);
+ return;
+ }
}
- Con *ws = con_get_workspace(focused);
if (con == NULL) {
/* Use the container on __i3_scratch which is highest in the focus
* stack. When moving windows to __i3_scratch, they get inserted at the
}
/* 1: Move the window from __i3_scratch to the current workspace. */
- con_move_to_workspace(con, ws, true, false);
+ con_move_to_workspace(con, active, true, 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.width / 2.0) - (con->rect.width / 2.0);
- con->rect.y = (output->rect.height / 2.0) - (con->rect.height / 2.0);
+ 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;
}
+ /* Activate active workspace if window is from another workspace to ensure
+ * proper focus. */
+ if (current != active) {
+ workspace_show(active);
+ }
+
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);
+ }
+ }
+ DLOG("new width = %d, new height = %d\n",
+ new_width, new_height);
+ __i3_output->rect.width = new_width;
+ __i3_output->rect.height = new_height;
+}
projects / i3 / i3 / blobdiff