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win: track windows with a hash table

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Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-04-03 08:36:02 +01:00
parent 3935e97e69
commit a68903b9ef
10 changed files with 133 additions and 102 deletions
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44
src/common.h
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@ -49,6 +49,7 @@
#include <xcb/sync.h>
#include <xcb/xinerama.h>
#include "uthash_extra.h"
#ifdef CONFIG_OPENGL
// libGL
#include "backend/gl/glx.h"
@ -389,8 +390,10 @@ typedef struct session {
int n_expose;
// === Window related ===
/// Linked list of all windows.
win *list;
/// A hash table of all windows.
win *windows;
/// Windows in their stacking order
win *window_stack;
/// Pointer to <code>win</code> of current active window. Used by
/// EWMH <code>_NET_ACTIVE_WINDOW</code> focus detection. In theory,
/// it's more reliable to store the window ID directly here, just in
@ -732,43 +735,6 @@ static inline xcb_window_t get_tgt_window(session_t *ps) {
return ps->overlay != XCB_NONE ? ps->overlay : ps->root;
}
/**
* Find a window from window id in window linked list of the session.
*/
static inline win *find_win(session_t *ps, xcb_window_t id) {
if (!id)
return NULL;
win *w;
for (w = ps->list; w; w = w->next) {
if (w->id == id && w->state != WSTATE_DESTROYING) {
return w;
}
}
return 0;
}
/**
* Find out the WM frame of a client window using existing data.
*
* @param id window ID
* @return struct win object of the found window, NULL if not found
*/
static inline win *find_toplevel(session_t *ps, xcb_window_t id) {
if (!id)
return NULL;
for (win *w = ps->list; w; w = w->next) {
if (w->client_win == id && w->state != WSTATE_DESTROYING) {
return w;
}
}
return NULL;
}
/**
* Check if current backend uses GLX.
*/