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Implement stack-limit for further defining how stack windows should look

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Using this command, you can limit the amount of columns or rows for
a stacking container. This allows for better usage of screen estate
when using stacking containers with many clients.

Examples:
  i3-msg "stack-limit cols 2"
You will now have a stack window which has two columns of windows.
This commit is contained in:
Michael Stapelberg
2009-09-22 18:07:59 +02:00
parent d3752007ed
commit f4ec7fdfe9
5 changed files with 173 additions and 44 deletions
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97
src/click.c
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@ -17,6 +17,7 @@
#include <stdlib.h>
#include <time.h>
#include <stdbool.h>
#include <math.h>
#include <xcb/xcb.h>
#include <xcb/xcb_atom.h>
@ -36,6 +37,19 @@
#include "floating.h"
#include "resize.h"
static struct Stack_Window *get_stack_window(xcb_window_t window_id) {
struct Stack_Window *current;
SLIST_FOREACH(current, &stack_wins, stack_windows) {
if (current->window != window_id)
continue;
return current;
}
return NULL;
}
/*
* Checks if the button press was on a stack window, handles focus setting and returns true
* if so, or false otherwise.
@ -43,45 +57,60 @@
*/
static bool button_press_stackwin(xcb_connection_t *conn, xcb_button_press_event_t *event) {
struct Stack_Window *stack_win;
SLIST_FOREACH(stack_win, &stack_wins, stack_windows) {
if (stack_win->window != event->event)
continue;
/* A stack window was clicked, we check if it was button4 or button5
which are scroll up / scroll down. */
if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
direction_t direction = (event->detail == XCB_BUTTON_INDEX_4 ? D_UP : D_DOWN);
focus_window_in_container(conn, CUR_CELL, direction);
return true;
}
/* It was no scrolling, so we calculate the destination client by
dividing the Y position of the event through the height of a window
decoration and then set the focus to this client. */
i3Font *font = load_font(conn, config.font);
int decoration_height = (font->height + 2 + 2);
int destination = (event->event_y / decoration_height),
c = 0,
num_clients = 0;
Client *client;
CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
num_clients++;
if (stack_win->container->mode == MODE_TABBED)
destination = (event->event_x / (stack_win->container->width / num_clients));
LOG("Click on stack_win for client %d\n", destination);
CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
if (c++ == destination) {
set_focus(conn, client, true);
return true;
}
/* If we find a corresponding stack window, we can handle the event */
if ((stack_win = get_stack_window(event->event)) == NULL)
return false;
/* A stack window was clicked, we check if it was button4 or button5
which are scroll up / scroll down. */
if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
direction_t direction = (event->detail == XCB_BUTTON_INDEX_4 ? D_UP : D_DOWN);
focus_window_in_container(conn, CUR_CELL, direction);
return true;
}
return false;
/* It was no scrolling, so we calculate the destination client by
dividing the Y position of the event through the height of a window
decoration and then set the focus to this client. */
i3Font *font = load_font(conn, config.font);
int decoration_height = (font->height + 2 + 2);
int destination = (event->event_y / decoration_height),
c = 0,
num_clients = 0;
Client *client;
Container *container = stack_win->container;
CIRCLEQ_FOREACH(client, &(container->clients), clients)
num_clients++;
if (container->mode == MODE_TABBED)
destination = (event->event_x / (container->width / num_clients));
else if (container->mode == MODE_STACK &&
container->stack_limit != STACK_LIMIT_NONE) {
if (container->stack_limit == STACK_LIMIT_COLS) {
int wrap = ceil((float)num_clients / container->stack_limit_value);
int clicked_column = (event->event_x / (stack_win->rect.width / container->stack_limit_value));
int clicked_row = (event->event_y / decoration_height);
LOG("clicked on column %d, row %d\n", clicked_column, clicked_row);
destination = (wrap * clicked_column) + clicked_row;
} else {
int width = (stack_win->rect.width / ceil((float)num_clients / container->stack_limit_value));
int clicked_column = (event->event_x / width);
int clicked_row = (event->event_y / decoration_height);
LOG("clicked on column %d, row %d\n", clicked_column, clicked_row);
destination = (container->stack_limit_value * clicked_column) + clicked_row;
}
}
LOG("Click on stack_win for client %d\n", destination);
CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
if (c++ == destination) {
set_focus(conn, client, true);
return true;
}
return true;
}
/*