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/* See LICENSE file for copyright and license details. */
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <utils.h>
#include "application.h"
#include "event.h"
#include "window.h"
static CherryApplication *_app = NULL;
CherryApplication *
cherry_application_new(const char *name)
{
if (_app != NULL)
return _app;
CherryApplication *app = malloc(sizeof(*app));
app->name = strdup(name);
app->display = NULL;
app->windows = clist_create();
app->listener_activate = NULL;
app->listener_activate_data = NULL;
app->listener_deactivate = NULL;
app->listener_deactivate_data = NULL;
_app = app;
return app;
}
static void
dispatch_event(CherryApplication *app, Window wnd, int event_id) {
iterator_t it = clist_iterator(&app->windows);
while (clist_iterator_has_next(it)) {
CherryWindow *w = clist_iterator_next(&it);
if (w->window_handler == wnd) {
if (w->listener != NULL) {
w->listener(w, event_id);
} else {
return;
}
}
}
}
static void
cherry_application_main_loop(CherryApplication *app)
{
XEvent event;
int finish = 0;
char *atom_name;
while (finish == 0) {
XNextEvent(app->display, &event);
switch (event.type) {
case ClientMessage:
atom_name = XGetAtomName(app->display, (Atom) event.xclient.data.l[0]);
if (strcmp("WM_DELETE_WINDOW", atom_name) == 0) {
dispatch_event(app, event.xclient.window, DELETE_WINDOW);
}
XFree(atom_name);
break;
case Expose:
break;
case MappingNotify:
break;
case ButtonPress:
break;
case KeyPress:
break;
}
}
}
int
cherry_application_run(CherryApplication *app, int argc, char **argv)
{
if (app == NULL) exit(1);
/* setup display/screen */
app->display = XOpenDisplay(NULL);
app->screen = DefaultScreen(app->display);
app->depth = DefaultDepth(app->display, app->screen);
app->visual = DefaultVisual(app->display, app->screen);
if (app->listener_activate != NULL)
app->listener_activate(app, app->listener_activate_data);
cherry_application_main_loop(app);
/* finalization */
iterator_t it = clist_iterator(&app->windows);
while (clist_iterator_has_next(it)) {
CherryWindow *w = clist_iterator_next(&it);
char *wnd_name = cherry_window_get_title(w);
printf("Destroying window: %s\n", wnd_name);
XFree(wnd_name);
XDestroyWindow(app->display, w->window_handler);
}
XCloseDisplay(app->display);
if (app->listener_deactivate != NULL)
app->listener_deactivate(app, app->listener_deactivate_data);
return EXIT_SUCCESS;
}
void
cherry_application_set_activated_listener(CherryApplication *app,
void (*listener_activate)(CherryApplication *, void *),
void *data)
{
if (app == NULL) return;
app->listener_activate = listener_activate;
app->listener_activate_data = data;
}
void
cherry_application_set_deactivated_listener(CherryApplication *app,
void (*listener_deactivate)(CherryApplication *, void *),
void *data)
{
if (app == NULL) return;
app->listener_deactivate = listener_deactivate;
app->listener_deactivate_data = data;
}
CherryApplication *
cherry_application_get_running_app(void)
{
return _app;
}
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