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// std
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
// X
#include <X11/keysymdef.h>
#include <X11/keysym.h>
#include <xcb/xcb_keysyms.h>
#include <xcb/xcb_atom.h>
#include <xcb/xcb_cursor.h>
// #include <X11/extensions/Xcomposite.h>
// #include <X11/Xutil.h>
// #include <xcb/xcb_util.h>
// local
#include "types.h"
#include "config.h"
#include "scapx.h"
#include "x.h"
// Project TODO:
/*
Stages:
// 1. WINDOWS:
- 1. get rid of visible window
- 2. grab info on currently focused window from WM
- 3. if simply left click, grab that whole window and window only for image capture (notice in maim, this scr does not take background?)
// 2. DRAWING
- 4. draw rectangle selection
- 5. draw lasso selection
// 3. screen capture3
- 6. capture drawn polygon selection
- 7. capture drawn irregular (lasso) polygon selection
// _NET_WM_WINDOW_TYPE_DND // indicates win is being dragged
// 4. FILE I/O
- 8. image file I/O
*/
void dbg_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
int main(int argc, char **argv)
{
// TODO: parse flags
(void)argc;
(void)argv;
Server_context_t *info;
if (!(info = init_XCB_server()))
FATAL_ERROR("Couldn't make a connection to the x server. %s", "");
xcb_drawable_t win = create_win(info);
xcb_key_symbols_t *ksymbols = xcb_key_symbols_alloc(info->con);
xcb_generic_event_t *event;
xcb_cursor_t mptr;
xcb_set_win_name(info->con, win, "scapx");
// TODO: refactor
bool done = 0;
while (!done && (event = xcb_wait_for_event(info->con))) {
if (event->response_type == 0 )
SLOG("Error reported by the x server.\n");
switch (event->response_type & ~0x80) {
{ // mouse
static bool lmbtn = 0;
static bool rmbtn = 0;
case XCB_BUTTON_PRESS:
if (((xcb_button_press_event_t *)event)->detail == M_BTN_1) {
lmbtn = 1;
printf("left clicked.\n");
}
if (((xcb_button_press_event_t *)event)->detail == M_BTN_2) {
printf("right clicked.\n");
rmbtn = 1;
}
break;
case XCB_BUTTON_RELEASE:
cursor_die(info->con, win, mptr);
if (((xcb_button_press_event_t *)event)->detail == M_BTN_1) {
lmbtn = 0;
}
if (((xcb_button_press_event_t *)event)->detail == M_BTN_2) {
rmbtn = 0;
}
break;
case XCB_MOTION_NOTIFY:
if (lmbtn || rmbtn) {
mptr = cursor_set(info->con, win, M_CURSOR);
printf("%s drag.\n", lmbtn ? "left" : "right");
} else
printf("moving.\n");
break;
case XCB_LEAVE_NOTIFY:
printf("left window.\n");
{ // get focused window
xcb_window_t focused_win = get_focused_win(info->con);
xcb_get_geometry_reply_t *geo_rep = xcb_get_geometry_reply(info->con, xcb_get_geometry(info->con, focused_win), NULL);
xcb_flush(info->con);
xcb_unmap_window(info->con, win);
// TODO: 1. put this on the top of the stack (fix the new window onto that which was focused)
// first: remove WM decoration
// TODO: instead of deleting the old window and creating a new, simply use xcb_configure_window to modify the existing window with focused win attr.
xcb_create_window(info->con,
geo_rep->depth,
focused_win,
geo_rep->root,
geo_rep->x, geo_rep->y,
geo_rep->width, geo_rep->height,
geo_rep->border_width,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
info->scr->root_visual,
XCB_CW_EVENT_MASK | XCB_CW_CURSOR | XCB_CW_OVERRIDE_REDIRECT,
(u32[]){
0,
XCB_EVENT_MASK_BUTTON_1_MOTION |
XCB_EVENT_MASK_POINTER_MOTION |
XCB_MOTION_NOTIFY |
XCB_EVENT_MASK_BUTTON_MOTION |
XCB_EVENT_MASK_LEAVE_WINDOW, 1
}
);
xcb_change_window_attributes(info->con, focused_win, XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT, (u32[]){info->scr->black_pixel, 0});
xcb_map_window(info->con, focused_win);
xcb_flush(info->con);
// event loop for new window
while (xcb_wait_for_event(info->con)) {
switch (geo_rep->response_type & ~0x80) {
case XCB_MOTION_NOTIFY:
printf("motion received.\n");
break;
default:
printf("event received.\n");
break;
}
printf("focused window width %u height %u\n", geo_rep->width, geo_rep->height);
}
free(geo_rep);
}
break;
}
case XCB_KEY_PRESS:
printf("\nKeyPress event received:\n");
xcb_key_press_event_t *kevent = (xcb_key_press_event_t *)event;
// NOTE: field is a mask of the buttons held down during the event
printf("state %#x ", kevent->state);
printf("keycode %u ", kevent->detail);
xcb_keysym_t ksym = xcb_key_symbols_get_keysym(ksymbols, kevent->detail, kevent->state);
const char *sym_str = ksym_to_str(&ksym);
if (ksym == XK_Escape || ksym == XK_q || ksym == XK_Q)
die(ksymbols, info, win);
printf("keysym [%#x %s]\n", ksym, sym_str ? sym_str : "");
break;
case XCB_KEY_RELEASE:
break;
}
free(event);
}
xcb_free_cursor(info->con, mptr);
die(ksymbols, info, win);
return 0;
}
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