mutter/cltr.c
2005-03-29 23:26:36 +00:00

339 lines
6.7 KiB
C

#include "cltr.h"
#include <X11/keysym.h>
/* temp temp temp */
float Zoom = 1.0;
ClutterPhotoGrid *Grid = NULL;
/* ************* */
static gboolean
x_event_prepare (GSource *source,
gint *timeout)
{
Display *display = ((CltrXEventSource*)source)->display;
*timeout = -1;
return XPending (display);
}
static gboolean
x_event_check (GSource *source)
{
CltrXEventSource *display_source = (CltrXEventSource*)source;
gboolean retval;
if (display_source->event_poll_fd.revents & G_IO_IN)
retval = XPending (display_source->display);
else
retval = FALSE;
return retval;
}
static gboolean
x_event_dispatch (GSource *source,
GSourceFunc callback,
gpointer user_data)
{
Display *display = ((CltrXEventSource*)source)->display;
CltrXEventFunc event_func = (CltrXEventFunc) callback;
XEvent xev;
if (XPending (display))
{
XNextEvent (display, &xev);
if (event_func)
(*event_func) (&xev, user_data);
}
return TRUE;
}
static const GSourceFuncs x_event_funcs = {
x_event_prepare,
x_event_check,
x_event_dispatch,
NULL
};
void
cltr_dispatch_expose(XExposeEvent *xexpev)
{
cltr_photo_grid_redraw(Grid);
}
void
cltr_dispatch_keypress(XKeyEvent *xkeyev)
{
KeySym kc;
kc = XKeycodeToKeysym(xkeyev->display, xkeyev->keycode, 0);
switch (kc)
{
case XK_Left:
case XK_KP_Left:
cltr_photo_grid_navigate(Grid, CLTR_WEST);
break;
case XK_Up:
case XK_KP_Up:
cltr_photo_grid_navigate(Grid, CLTR_NORTH);
break;
case XK_Right:
case XK_KP_Right:
cltr_photo_grid_navigate(Grid, CLTR_EAST);
break;
case XK_Down:
case XK_KP_Down:
cltr_photo_grid_navigate(Grid, CLTR_SOUTH);
break;
case XK_Return:
cltr_photo_grid_activate_cell(Grid);
break;
default:
CLTR_DBG("unhandled keysym");
}
}
static void
cltr_dispatch_x_event (XEvent *xevent,
gpointer data)
{
/* Should actually forward on to focussed widget */
switch (xevent->type)
{
case MapNotify:
CLTR_DBG("Map Notify Event");
break;
case Expose:
CLTR_DBG("Expose"); /* TODO COMPRESS */
cltr_dispatch_expose(&xevent->xexpose);
break;
case KeyPress:
CLTR_DBG("KeyPress");
cltr_dispatch_keypress(&xevent->xkey);
break;
}
}
int
cltr_init(int *argc, char ***argv)
{
int gl_attributes[] =
{
GLX_RGBA,
GLX_DOUBLEBUFFER,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
0
};
XVisualInfo *vinfo;
GMainContext *gmain_context;
int connection_number;
GSource *source;
CltrXEventSource *display_source;
g_thread_init (NULL);
// XInitThreads ();
if ((CltrCntx.xdpy = XOpenDisplay(getenv("DISPLAY"))) == NULL)
{
return 0;
}
CltrCntx.xscreen = DefaultScreen(CltrCntx.xdpy);
CltrCntx.xwin_root = RootWindow(CltrCntx.xdpy, CltrCntx.xscreen);
if ((vinfo = glXChooseVisual(CltrCntx.xdpy,
CltrCntx.xscreen,
gl_attributes)) == NULL)
{
fprintf(stderr, "Unable to find visual\n");
return 0;
}
CltrCntx.gl_context = glXCreateContext(CltrCntx.xdpy, vinfo, 0, True);
/* g_main loop stuff */
gmain_context = g_main_context_default ();
g_main_context_ref (gmain_context);
connection_number = ConnectionNumber (CltrCntx.xdpy);
source = g_source_new ((GSourceFuncs *)&x_event_funcs,
sizeof (CltrXEventSource));
display_source = (CltrXEventSource *)source;
display_source->event_poll_fd.fd = connection_number;
display_source->event_poll_fd.events = G_IO_IN;
display_source->display = CltrCntx.xdpy;
g_source_add_poll (source, &display_source->event_poll_fd);
g_source_set_can_recurse (source, TRUE);
g_source_set_callback (source,
(GSourceFunc) cltr_dispatch_x_event,
NULL /* no userdata */, NULL);
g_source_attach (source, gmain_context);
g_source_unref (source);
return 1;
}
ClutterWindow*
cltr_window_new(int width, int height)
{
ClutterWindow *win;
win = util_malloc0(sizeof(ClutterWindow));
win->width = width;
win->height = height;
win->xwin = XCreateSimpleWindow(CltrCntx.xdpy,
CltrCntx.xwin_root,
0, 0,
width, height,
0, 0, WhitePixel(CltrCntx.xdpy,
CltrCntx.xscreen));
XSelectInput(CltrCntx.xdpy, win->xwin,
StructureNotifyMask|ExposureMask|
KeyPressMask|PropertyChangeMask);
glXMakeCurrent(CltrCntx.xdpy, win->xwin, CltrCntx.gl_context);
/* All likely better somewhere else */
/* view port */
glViewport (0, 0, width, height);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glOrtho (0, width, height, 0, -1, 1); /* 2d */
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glEnable (GL_TEXTURE_2D);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
return win;
}
void
cltr_main_loop()
{
GMainLoop *loop;
loop = g_main_loop_new (g_main_context_default (), FALSE);
CLTR_MARK();
g_main_loop_run (loop);
}
gboolean
test_idle_cb(gpointer data)
{
static float angle = 0.0;
glClear(GL_COLOR_BUFFER_BIT);
glClearColor( 0.6, 0.6, 0.62, 1.0);
glColor3f(0.0, 0.0, 0.0);
glTranslatef( 0.0, 0.0, 0.0);
/* get a copy of our untranformed matrix */
glPushMatrix();
/* Translate origin to rotation point */
glTranslatef( 320.0, 240.0, 0.0);
/* Rotate around Z axis */
glRotatef ( angle, 0.0, 0.0, 1.0);
/* Draw tranformed rect with origin at center */
glRecti(-50, -50, 50, 50);
/* Reset our un transformed matrix */
glPopMatrix();
glRecti(-50, -50, 50, 50);
angle += 0.1;
glXSwapBuffers(CltrCntx.xdpy, (Window)data);
return TRUE;
}
int
main(int argc, char **argv)
{
ClutterPhotoGrid *grid = NULL;
ClutterWindow *win = NULL;
/*
Pixbuf *p1, *p2, *p3;
p1 = pixbuf_new(2000,2000);
p2 = pixbuf_new(640,480);
p3 = pixbuf_scale_down(p1, 512, 512);
pixbuf_copy(p3, p2, 0,0, 1000, 1000,0,0);
exit(1);
*/
if (argc < 2)
{
g_printerr("usage: '%s' <path to not too heavily populated image dir>\n"
, argv[0]);
exit(-1);
}
cltr_init(&argc, &argv);
win = cltr_window_new(640, 480);
grid = cltr_photo_grid_new(win, 5, 5, argv[1]);
Grid = grid; /* laaaaaazy globals */
// cltr_photo_grid_redraw(grid);
// g_idle_add(idle_cb, grid);
// g_timeout_add (10, idle_cb, grid);
// g_idle_add(test_idle_cb, (gpointer)win->xwin);
XFlush(CltrCntx.xdpy);
XMapWindow(CltrCntx.xdpy, win->xwin);
XFlush(CltrCntx.xdpy);
cltr_main_loop();
return 0;
}