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xenv: allow to specify event filter

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@949 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2012-04-09 21:31:45 +00:00
parent 477ba3f2ec
commit f620fa7ade
2 changed files with 23 additions and 14 deletions
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30
linux/xenv.c
View file

@ -25,6 +25,8 @@
#include <termios.h>
#include <linux/kd.h>
#include "xenv.h"
#define PFX "xenv: "
#define FPTR(f) typeof(f) * p##f
@ -81,13 +83,14 @@ static Cursor transparent_cursor(struct xstuff *xf, Display *display, Window win
return cursor;
}
static int x11h_init(const char *window_title)
static int x11h_init(int *xenv_flags, const char *window_title)
{
unsigned int display_width, display_height;
Display *display;
XSetWindowAttributes attributes;
Window win;
Visual *visual;
long evt_mask;
void *x11lib;
int screen;
@ -153,10 +156,14 @@ static int x11h_init(const char *window_title)
attributes.cursor = transparent_cursor(&g_xstuff, display, win);
g_xstuff.pXChangeWindowAttributes(display, win, CWOverrideRedirect | CWCursor, &attributes);
g_xstuff.pXStoreName(display, win, window_title);
g_xstuff.pXSelectInput(display, win, ExposureMask | FocusChangeMask
| KeyPressMask | KeyReleaseMask | ButtonPressMask
| ButtonReleaseMask | PointerMotionMask | PropertyChangeMask);
if (window_title != NULL)
g_xstuff.pXStoreName(display, win, window_title);
evt_mask = ExposureMask | FocusChangeMask | PropertyChangeMask;
if (xenv_flags && (*xenv_flags & XENV_CAP_KEYS))
evt_mask |= KeyPressMask | KeyReleaseMask;
if (xenv_flags && (*xenv_flags & XENV_CAP_MOUSE))
evt_mask |= ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
g_xstuff.pXSelectInput(display, win, evt_mask);
g_xstuff.pXMapWindow(display, win);
g_xstuff.pXGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
g_xstuff.pXkbSetDetectableAutoRepeat(display, 1, NULL);
@ -368,17 +375,16 @@ static void tty_end(void)
g_kbdfd = -1;
}
int xenv_init(int *have_mouse_events, const char *window_title)
int xenv_init(int *xenv_flags, const char *window_title)
{
int have_mouse = 0;
int ret;
ret = x11h_init(window_title);
if (ret == 0) {
have_mouse = 1;
ret = x11h_init(xenv_flags, window_title);
if (ret == 0)
goto out;
}
if (xenv_flags != NULL)
*xenv_flags &= ~(XENV_CAP_KEYS | XENV_CAP_MOUSE); /* TODO? */
ret = tty_init();
if (ret == 0)
goto out;
@ -386,8 +392,6 @@ int xenv_init(int *have_mouse_events, const char *window_title)
fprintf(stderr, PFX "error: both x11h_init and tty_init failed\n");
ret = -1;
out:
if (have_mouse_events != NULL)
*have_mouse_events = have_mouse;
return ret;
}

7
linux/xenv.h
View file

@ -1,5 +1,10 @@
int xenv_init(int *have_mouse_events, const char *window_title);
#define XENV_CAP_KEYS (1<<0)
#define XENV_CAP_MOUSE (1<<1)
/* xenv_flags specify if we need keys and mouse,
* flag is removed if input is not available */
int xenv_init(int *xenv_flags, const char *window_title);
/* read events from X, calling key_cb for key, mouseb_cb for mouse button
* and mousem_cb for mouse motion events */