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Diffstat (limited to 'mcwm.c')
-rw-r--r--mcwm.c321
1 files changed, 181 insertions, 140 deletions
diff --git a/mcwm.c b/mcwm.c
index 66563fa..13ac63b 100644
--- a/mcwm.c
+++ b/mcwm.c
@@ -95,13 +95,11 @@ struct keys
struct conf
{
bool borders;
- bool map;
-
} conf;
/* Functions declerations. */
-
+void newwin(xcb_window_t win);
void setupwin(xcb_window_t win);
xcb_keycode_t keysymtokeycode(xcb_keysym_t keysym, xcb_key_symbols_t *keysyms);
int setupkeys(void);
@@ -123,14 +121,47 @@ void handle_keypress(xcb_drawable_t win, xcb_key_press_event_t *ev);
/* Function bodies. */
+/* Set position, geometry and attributes of a new window. */
+void newwin(xcb_window_t win)
+{
+ xcb_query_pointer_reply_t *pointer;
+ int x;
+ int y;
+
+ /* Get pointer position. */
+ pointer = xcb_query_pointer_reply(
+ conn, xcb_query_pointer(conn, screen->root), 0);
+
+ if (NULL == pointer)
+ {
+ x = 1;
+ y = 1;
+ }
+ else
+ {
+ x = pointer->root_x;
+ y = pointer->root_y;
+ }
+
+ /* Move the window to cursor position. */
+ movewindow(win, x, y);
+
+ /* Set up stuff and raise the window. */
+ setupwin(win);
+ raisewindow(win);
+
+ /* Show window on screen. */
+ xcb_map_window(conn, win);
+
+ xcb_flush(conn);
+}
+
/* set border colour, width and event mask for window. */
void setupwin(xcb_window_t win)
{
uint32_t mask = 0;
uint32_t values[2];
- PDEBUG("Setting up window %d\n", win);
-
if (conf.borders)
{
/* Set border color. */
@@ -146,12 +177,6 @@ void setupwin(xcb_window_t win)
mask = XCB_CW_EVENT_MASK;
values[0] = XCB_EVENT_MASK_ENTER_WINDOW;
xcb_change_window_attributes_checked(conn, win, mask, values);
-
- if (conf.map)
- {
- /* Show window on screen. */
- xcb_map_window(conn, win);
- }
/* FIXME: set properties. */
@@ -231,6 +256,8 @@ int setupscreen(void)
setupwin(children[i]);
}
+ xcb_flush(conn);
+
free(reply);
return 0;
@@ -715,7 +742,7 @@ void handle_keypress(xcb_drawable_t win, xcb_key_press_event_t *ev)
{
int i;
key_enum_t key;
-
+
for (key = KEY_MAX, i = KEY_H; i < KEY_MAX; i ++)
{
if (ev->detail == keys[i].keycode)
@@ -794,136 +821,16 @@ void handle_keypress(xcb_drawable_t win, xcb_key_press_event_t *ev)
}
} /* handle_keypress() */
-int main(int argc, char **argv)
+
+void events(void)
{
- xcb_window_t root;
xcb_generic_event_t *ev;
- uint32_t mask = 0;
- uint32_t values[2];
xcb_drawable_t win;
xcb_get_geometry_reply_t *geom;
int mode = 0;
uint16_t mode_x;
uint16_t mode_y;
- char ch; /* Option character */
-
- /*
- int xcb_parse_display(const char *name, char **host, int *display, int *screen);
- */
-/*
- xcb_parse_display(dispname, &host, &disp, NULL)
-*/
-
- conf.borders = true;
- conf.map = true;
-
- while (1)
- {
- ch = getopt(argc, argv, "bm");
- if (-1 == ch)
- {
-
- /* No more options, break out of while loop. */
- break;
- }
-
- switch (ch)
- {
- case 'b':
- /* No borders. */
- conf.borders = false;
- break;
-
- case 'm':
- /* Don't map all windows when initializing. */
- conf.map = false;
- break;
-
- }
- }
-
- conn = xcb_connect(NULL, NULL);
- if (xcb_connection_has_error(conn))
- {
- perror("xcb_connect");
- exit(1);
- }
-
- /* Get the first screen */
- screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
-
- /* screen->root is our root. */
- root = screen->root;
-
- /* Initial focus is root */
- /* FIXME: Ask the X server what window has focus. */
- focuswin = root;
-
- PDEBUG("Screen size: %dx%d\nRoot window: %d\n", screen->width_in_pixels,
- screen->height_in_pixels, screen->root);
-
- /* FIXME: Get some colours. */
-
- /* Loop over all clients and set up stuff. */
- if (0 != setupscreen())
- {
- fprintf(stderr, "Failed to initialize windows. Exiting.\n");
- exit(1);
- }
-
- /* Set up key bindings. */
- if (0 != setupkeys())
- {
- fprintf(stderr, "mcwm: Couldn't set up keycodes. Exiting.");
- exit(1);
- }
-
- /* Grab some keys and mouse buttons. */
-
- xcb_grab_key(conn, 1, root, MODKEY, XCB_NO_SYMBOL,
- XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
-
- xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS
- | XCB_EVENT_MASK_BUTTON_RELEASE,
- XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
- 1 /* left mouse button */,
- MOUSEMODKEY);
-
- xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS
- | XCB_EVENT_MASK_BUTTON_RELEASE,
- XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
- 2 /* middle mouse button */,
- MOUSEMODKEY);
-
- xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS
- | XCB_EVENT_MASK_BUTTON_RELEASE,
- XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
- 3 /* right mouse button */,
- MOUSEMODKEY);
-
-#if 0
-
- /*
- * If we really want to be a wm, ask for these events as well:
- */
- mask = XCB_CW_EVENT_MASK;
- values[0] =
- XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT /* only one client can use this. */
- | XCB_EVENT_MASK_STRUCTURE_NOTIFY; /* don't know about this. New screens? */
-
- xcb_void_cookie_t cookie;
- cookie = xcb_change_window_attributes_checked(conn, root, mask, values);
-
-#endif
-
- mask = XCB_CW_EVENT_MASK;
- values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
- xcb_change_window_attributes_checked(conn, root, mask, values);
-
- xcb_flush(conn);
-
- /* Loop over events. */
for (;;)
{
ev = xcb_wait_for_event(conn);
@@ -937,16 +844,28 @@ int main(int argc, char **argv)
switch (ev->response_type & ~0x80)
{
+
+ /* If we're the only wm, we get these when a new window is created. */
+ case XCB_MAP_REQUEST:
+ {
+ xcb_create_notify_event_t *e;
+
+ PDEBUG("Map request\n");
+ e = ( xcb_create_notify_event_t *) ev;
+ newwin(e->window);
+ }
+ break;
+
+ /* If we're not the only window manager, we receive these instead. */
case XCB_CREATE_NOTIFY:
{
xcb_create_notify_event_t *e;
- PDEBUG("A new window!\n");
+ PDEBUG("Create notify event\n");
e = ( xcb_create_notify_event_t *) ev;
setupwin(e->window);
- }
- break;
-
+ }
+
case XCB_BUTTON_PRESS:
{
xcb_button_press_event_t *e;
@@ -1012,12 +931,12 @@ int main(int argc, char **argv)
xcb_grab_pointer(conn,
0, /* get all from mask below */
- root, /* grab here */
+ screen->root, /* grab here */
XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_POINTER_MOTION,
XCB_GRAB_MODE_ASYNC, /* get more pointer events */
XCB_GRAB_MODE_ASYNC,
- root, /* stay here */
+ screen->root, /* stay here */
XCB_NONE, /* no other cursor. */
XCB_CURRENT_TIME);
xcb_flush(conn);
@@ -1115,6 +1034,128 @@ int main(int argc, char **argv)
free(ev);
}
+}
+
+int main(int argc, char **argv)
+{
+ uint32_t mask = 0;
+ uint32_t values[2];
+ char ch; /* Option character */
+ xcb_void_cookie_t cookie;
+ xcb_generic_error_t *error;
+ xcb_drawable_t root;
+
+ conf.borders = true;
+
+ while (1)
+ {
+ ch = getopt(argc, argv, "bm");
+ if (-1 == ch)
+ {
+
+ /* No more options, break out of while loop. */
+ break;
+ }
+
+ switch (ch)
+ {
+ case 'b':
+ /* No borders. */
+ conf.borders = false;
+ break;
+ }
+ }
+
+ conn = xcb_connect(NULL, NULL);
+ if (xcb_connection_has_error(conn))
+ {
+ perror("xcb_connect");
+ exit(1);
+ }
+
+ /* Get the first screen */
+ screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
+
+ root = screen->root;
+ /* Initial focus is root */
+ /* FIXME: Ask the X server what window has focus. */
+ focuswin = screen->root;
+
+ PDEBUG("Screen size: %dx%d\nRoot window: %d\n", screen->width_in_pixels,
+ screen->height_in_pixels, screen->root);
+
+ /* FIXME: Get some colours. */
+
+ /* Loop over all clients and set up stuff. */
+ if (0 != setupscreen())
+ {
+ fprintf(stderr, "Failed to initialize windows. Exiting.\n");
+ exit(1);
+ }
+
+ /* Set up key bindings. */
+ if (0 != setupkeys())
+ {
+ fprintf(stderr, "mcwm: Couldn't set up keycodes. Exiting.");
+ exit(1);
+ }
+
+ /* Grab some keys and mouse buttons. */
+
+ xcb_grab_key(conn, 1, root, MODKEY, XCB_NO_SYMBOL,
+ XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
+
+ xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS
+ | XCB_EVENT_MASK_BUTTON_RELEASE,
+ XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
+ 1 /* left mouse button */,
+ MOUSEMODKEY);
+
+ xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS
+ | XCB_EVENT_MASK_BUTTON_RELEASE,
+ XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
+ 2 /* middle mouse button */,
+ MOUSEMODKEY);
+
+ xcb_grab_button(conn, 0, root, XCB_EVENT_MASK_BUTTON_PRESS
+ | XCB_EVENT_MASK_BUTTON_RELEASE,
+ XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
+ 3 /* right mouse button */,
+ MOUSEMODKEY);
+
+ /* Subscribe to events. */
+ mask = XCB_CW_EVENT_MASK;
+ values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
+
+ cookie =
+ xcb_change_window_attributes_checked(conn, root, mask, values);
+ error = xcb_request_check(conn, cookie);
+ if (NULL != error)
+ {
+ fprintf(stderr, "mcwm: Can't subscribe to SUBSTRUCTURE REDIRECT event. "
+ "Error code: %d\n"
+ "Another window manager running?\n"
+ "Falling back to co-running mode.\n",
+ error->error_code);
+
+ values[0] = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
+ cookie =
+ xcb_change_window_attributes_checked(conn, root, mask, values);
+ error = xcb_request_check(conn, cookie);
+ if (NULL != error)
+ {
+ fprintf(stderr, "Co-running didn't work either. Error code: %d\n"
+ "Exiting\n",
+ error->error_code);
+ xcb_disconnect(conn);
+ exit(1);
+ }
+ }
+
+ xcb_flush(conn);
+
+ /* Loop over events. */
+ events();
xcb_disconnect(conn);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 15:09:49 +0000