-------------------------------------------------------
Direction can either be one of +up+, +down+, +left+ or +right+. Or you can be
-less specific and use +width+ or +height+, in which case i3 will take/give
-space from all the other containers. The optional pixel argument specifies by
-how many pixels a *floating container* should be grown or shrunk (the default
-is 10 pixels). The ppt argument means percentage points and specifies by how
-many percentage points a *tiling container* should be grown or shrunk (the
-default is 10 percentage points).
+less specific and use +width+ or +height+, in which case i3 will take/give space
+from all the other containers. The optional pixel argument specifies by how many
+pixels a container should be grown or shrunk (the default is 10 pixels). The
+optional ppt argument means "percentage points", and if specified it indicates
+that a *tiling container* should be grown or shrunk by that many points, instead
+of by the +px+ value.
Notes about +resize set+: a value of 0 for <width> or <height> means "do
not resize in this direction", and resizing a tiling container by +px+ is not
bool resize_find_tiling_participants(Con **current, Con **other, direction_t direction, bool both_sides);
void resize_graphical_handler(Con *first, Con *second, orientation_t orientation, const xcb_button_press_event_t *event);
+
+/**
+ * Resize the two given containers using the given amount of pixels or
+ * percentage points. One of the two needs to be 0. A positive amount means
+ * growing the first container while a negative means shrinking it.
+ * Returns false when the resize would result in one of the two containers
+ * having less than 1 pixel of size.
+ *
+ */
+bool resize_neighboring_cons(Con *first, Con *second, int px, int ppt);
+
+/**
+ * Calculate the given container's new percent given a change in pixels.
+ *
+ */
+double px_resize_to_percent(Con *con, int px_diff);
'or'
-> RESIZE_TILING_OR
end
- -> call cmd_resize($way, $direction, &resize_px, 10)
+ -> call cmd_resize($way, $direction, &resize_px, 0)
state RESIZE_TILING_OR:
resize_ppt = number
}
}
-static bool cmd_resize_tiling_direction(I3_CMD, Con *current, const char *way, const char *direction, int ppt) {
- LOG("tiling resize\n");
+static bool cmd_resize_tiling_direction(I3_CMD, Con *current, const char *way, const char *direction, int px, int ppt) {
Con *second = NULL;
Con *first = current;
direction_t search_direction = parse_direction(direction);
bool res = resize_find_tiling_participants(&first, &second, search_direction, false);
if (!res) {
- LOG("No second container in this direction found.\n");
- ysuccess(false);
+ yerror("No second container found in this direction.\n");
return false;
}
- /* get the default percentage */
- int children = con_num_children(first->parent);
- LOG("ins. %d children\n", children);
- double percentage = 1.0 / children;
- LOG("default percentage = %f\n", percentage);
-
- /* resize */
- LOG("first->percent before = %f\n", first->percent);
- LOG("second->percent before = %f\n", second->percent);
- if (first->percent == 0.0)
- first->percent = percentage;
- if (second->percent == 0.0)
- second->percent = percentage;
- double new_first_percent = first->percent + ((double)ppt / 100.0);
- double new_second_percent = second->percent - ((double)ppt / 100.0);
- LOG("new_first_percent = %f\n", new_first_percent);
- LOG("new_second_percent = %f\n", new_second_percent);
- /* Ensure that the new percentages are positive. */
- if (new_first_percent > 0.0 && new_second_percent > 0.0) {
- first->percent = new_first_percent;
- second->percent = new_second_percent;
- LOG("first->percent after = %f\n", first->percent);
- LOG("second->percent after = %f\n", second->percent);
- } else {
- LOG("Not resizing, already at minimum size\n");
+ if (ppt) {
+ /* For backwards compatibility, 'X px or Y ppt' means that ppt is
+ * preferred. */
+ px = 0;
}
-
- return true;
+ return resize_neighboring_cons(first, second, px, ppt);
}
static bool cmd_resize_tiling_width_height(I3_CMD, Con *current, const char *way, const char *direction, int ppt) {
return;
} else {
if (!cmd_resize_tiling_direction(current_match, cmd_output,
- current->con, way, direction, resize_ppt))
+ current->con, way, direction,
+ resize_px, resize_ppt))
return;
}
}
return true;
}
+/*
+ * Calculate the given container's new percent given a change in pixels.
+ *
+ */
+double px_resize_to_percent(Con *con, int px_diff) {
+ Con *parent = con->parent;
+ const orientation_t o = con_orientation(parent);
+ const int total = (o == HORIZ ? parent->rect.width : parent->rect.height);
+ /* deco_rect.height is subtracted from each child in render_con_split */
+ const int target = px_diff + (o == HORIZ ? con->rect.width : con->rect.height + con->deco_rect.height);
+ return ((double)target / (double)total);
+}
+
+/*
+ * Resize the two given containers using the given amount of pixels or
+ * percentage points. One of the two needs to be 0. A positive amount means
+ * growing the first container while a negative means shrinking it.
+ * Returns false when the resize would result in one of the two containers
+ * having less than 1 pixel of size.
+ *
+ */
+bool resize_neighboring_cons(Con *first, Con *second, int px, int ppt) {
+ assert(px * ppt == 0);
+
+ Con *parent = first->parent;
+ orientation_t orientation = con_orientation(parent);
+ const int total = (orientation == HORIZ ? parent->rect.width : parent->rect.height);
+ double new_first_percent;
+ double new_second_percent;
+ if (ppt) {
+ new_first_percent = first->percent + ((double)ppt / 100.0);
+ new_second_percent = second->percent - ((double)ppt / 100.0);
+ } else {
+ new_first_percent = px_resize_to_percent(first, px);
+ new_second_percent = second->percent + first->percent - new_first_percent;
+ }
+ /* Ensure that no container will be less than 1 pixel in the resizing
+ * direction. */
+ if (lround(new_first_percent * total) <= 0 || lround(new_second_percent * total) <= 0) {
+ return false;
+ }
+
+ first->percent = new_first_percent;
+ second->percent = new_second_percent;
+ con_fix_percent(parent);
+ return true;
+}
void resize_graphical_handler(Con *first, Con *second, orientation_t orientation, const xcb_button_press_event_t *event) {
Con *output = con_get_output(first);
/* if we got thus far, the containers must have valid percentages. */
assert(first->percent > 0.0);
assert(second->percent > 0.0);
-
- /* calculate the new percentage for the first container */
- double new_percent, difference;
- double percent = first->percent;
- DLOG("percent = %f\n", percent);
- int original = (orientation == HORIZ ? first->rect.width : first->rect.height);
- DLOG("original = %d\n", original);
- new_percent = (original + pixels) * (percent / original);
- difference = percent - new_percent;
- DLOG("difference = %f\n", difference);
- DLOG("new percent = %f\n", new_percent);
- first->percent = new_percent;
-
- /* calculate the new percentage for the second container */
- double s_percent = second->percent;
- second->percent = s_percent + difference;
- DLOG("second->percent = %f\n", second->percent);
-
- /* now we must make sure that the sum of the percentages remain 1.0 */
- con_fix_percent(first->parent);
+ const bool result = resize_neighboring_cons(first, second, pixels, 0);
+ DLOG("Graphical resize %s: first->percent = %f, second->percent = %f.\n",
+ result ? "successful" : "failed", first->percent, second->percent);
}
cmp_float($nodes->[2]->{percent}, 0.166666666666667, 'third window got 16%');
cmp_float($nodes->[3]->{percent}, 0.50, 'fourth window got 50%');
+################################################################################
+# Check that we can grow tiled windows by pixels
+################################################################################
+
+$tmp = fresh_workspace;
+
+$left = open_window;
+$right = open_window;
+
+($nodes, $focus) = get_ws_content($tmp);
+cmp_float($nodes->[0]->{rect}->{width}, 640, 'left window is 640px');
+cmp_float($nodes->[1]->{rect}->{width}, 640, 'right window is 640px');
+
+cmd 'resize grow left 10px';
+($nodes, $focus) = get_ws_content($tmp);
+cmp_float($nodes->[0]->{rect}->{width}, 630, 'left window is 630px');
+cmp_float($nodes->[1]->{rect}->{width}, 650, 'right window is 650px');
+
+################################################################################
+# Check that we can shrink tiled windows by pixels
+################################################################################
+
+$tmp = fresh_workspace;
+
+$left = open_window;
+$right = open_window;
+
+($nodes, $focus) = get_ws_content($tmp);
+cmp_float($nodes->[0]->{rect}->{width}, 640, 'left window is 640px');
+cmp_float($nodes->[1]->{rect}->{width}, 640, 'right window is 640px');
+
+cmd 'resize shrink left 10px';
+($nodes, $focus) = get_ws_content($tmp);
+cmp_float($nodes->[0]->{rect}->{width}, 650, 'left window is 650px');
+cmp_float($nodes->[1]->{rect}->{width}, 630, 'right window is 630px');
+
+
+################################################################################
+# Check that we can shrink vertical tiled windows by pixels
+################################################################################
+
+$tmp = fresh_workspace;
+
+cmd 'split v';
+
+$top = open_window;
+$bottom = open_window;
+
+($nodes, $focus) = get_ws_content($tmp);
+my @heights = ($nodes->[0]->{rect}->{height}, $nodes->[1]->{rect}->{height});
+
+cmd 'resize grow up 10px';
+($nodes, $focus) = get_ws_content($tmp);
+cmp_float($nodes->[0]->{rect}->{height}, $heights[0] - 10, 'top window is 10px larger');
+cmp_float($nodes->[1]->{rect}->{height}, $heights[1] + 10, 'bottom window is 10px smaller');
+
+################################################################################
+# Check that we can shrink vertical tiled windows by pixels
+################################################################################
+
+$tmp = fresh_workspace;
+
+cmd 'split v';
+
+$top = open_window;
+$bottom = open_window;
+
+($nodes, $focus) = get_ws_content($tmp);
+my @heights = ($nodes->[0]->{rect}->{height}, $nodes->[1]->{rect}->{height});
+
+cmd 'resize shrink up 10px';
+($nodes, $focus) = get_ws_content($tmp);
+cmp_float($nodes->[0]->{rect}->{height}, $heights[0] + 10, 'top window is 10px smaller');
+cmp_float($nodes->[1]->{rect}->{height}, $heights[1] - 10, 'bottom window is 10px larger');
+
################################################################################
# Check that the resize grow/shrink width/height syntax works if a nested split
# was set on the container, but no sibling has been opened yet. See #2015.
'resize shrink left 25 px or 33 ppt; ' .
'resize shrink left 25'),
"cmd_resize(shrink, left, 10, 10)\n" .
- "cmd_resize(shrink, left, 25, 10)\n" .
+ "cmd_resize(shrink, left, 25, 0)\n" .
"cmd_resize(shrink, left, 25, 33)\n" .
- "cmd_resize(shrink, left, 25, 10)",
+ "cmd_resize(shrink, left, 25, 0)",
'simple resize ok');
is(parser_calls('resize shrink left 25 px or 33 ppt,'),
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