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/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xresource.h>
#include <utils.h>
#include <log.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->context = XUniqueContext();
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,
CherryEvent evt,
XEvent event) {
CherryWindow *w = NULL;
XFindContext(event.xany.display, event.xany.window, app->context, (XPointer*) &w);
if (w != NULL && w->listener != NULL) {
w->listener(w, evt);
}
}
static void
cherry_application_main_loop(CherryApplication *app)
{
XEvent event;
int finish = 0;
char *atom_name;
Log *log = log_create("cherry_application_main_loop");
while (finish == 0) {
XNextEvent(app->display, &event);
CherryEvent evt;
switch (event.type) {
case ClientMessage:
atom_name = XGetAtomName(app->display, (Atom) event.xclient.data.l[0]);
if (strcmp("CHERRY_DISPOSE_ON_EXIT", atom_name) == 0) {
/* Exit from loop */
finish = 1;
} else if (strcmp("WM_DELETE_WINDOW", atom_name) == 0) {
evt = cherry_event_create(NULL,
event.xclient.window,
WINDOW_DELETED);
}
XFree(atom_name);
break;
case Expose:
evt = cherry_event_create(event.xclient.display,
event.xclient.window,
WINDOW_EXPOSED);
break;
case MappingNotify:
log_debug(log, "MappingNotify");
XRefreshKeyboardMapping(&event.xmapping);
break;
case ButtonPress:
evt = cherry_event_mouse_create(event.xbutton.display,
event.xbutton.window,
MOUSE_BUTTON_PRESSED,
event.xbutton.x,
event.xbutton.y);
break;
case KeyPress:
evt = cherry_event_key_create(KEY_PRESSED, event.xkey);
log_debug(log, "KeyPress");
break;
}
dispatch_event(app, evt, event);
}
}
static void
print_log(Log *log, char *fmt, char *attr)
{
char *message = calloc(strlen(fmt) + strlen(attr) + 1, sizeof(char));
sprintf(message, fmt, attr);
log_debug(log, message);
free(message);
}
int
cherry_application_run(CherryApplication *app, int argc, char **argv)
{
Log *log = log_create("cherry_application_run");
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);
print_log(log, "Destroying window: %s", wnd_name);
XFree(wnd_name);
XFreeGC(app->display, w->gc);
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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