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Implement focus on click

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Michael Stapelberg 2009-02-11 17:47:42 +01:00
parent 74e729c5b6
commit d75c308257
1 changed files with 45 additions and 22 deletions
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67
mainx.c
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@ -587,9 +587,15 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
mask = XCB_CW_EVENT_MASK;
values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_ENTER_WINDOW;
XCB_EVENT_MASK_ENTER_WINDOW |
XCB_EVENT_MASK_BUTTON_PRESS;
xcb_change_window_attributes(conn, child, mask, values);
/* We need to grab the mouse buttons for click to focus */
xcb_grab_button(conn, false, child, XCB_EVENT_MASK_BUTTON_PRESS,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE, XCB_BUTTON_MASK_1,
XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
/* Focus the new window */
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, new->child, XCB_CURRENT_TIME);
@ -1003,28 +1009,9 @@ static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press
return 1;
}
/*
* When the user moves the mouse pointer onto a window, this callback gets called.
*
*/
static int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_event_t *event) {
printf("enter_notify\n");
/* This was either a focus for a client’s parent (= titlebar)… */
Client *client = table_get(byParent, event->event),
*old_client;
/* …or the client itself */
if (client == NULL)
client = table_get(byChild, event->event);
/* If not, then this event is not interesting. This should not happen */
if (client == NULL) {
printf("DEBUG: Uninteresting enter_notify-event?\n");
return 1;
}
static void set_focus(xcb_connection_t *conn, Client *client) {
/* Update container */
old_client = client->container->currently_focused;
Client *old_client = client->container->currently_focused;
client->container->currently_focused = client;
current_col = client->container->col;
@ -1037,7 +1024,40 @@ static int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_
decorate_window(conn, old_client);
decorate_window(conn, client);
xcb_flush(conn);
}
/*
* When the user moves the mouse pointer onto a window, this callback gets called.
*
*/
static int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_event_t *event) {
printf("enter_notify\n");
/* This was either a focus for a client’s parent (= titlebar)… */
Client *client = table_get(byParent, event->event);
/* …or the client itself */
if (client == NULL)
client = table_get(byChild, event->event);
/* If not, then this event is not interesting. This should not happen */
if (client == NULL) {
printf("DEBUG: Uninteresting enter_notify-event?\n");
return 1;
}
set_focus(conn, client);
return 1;
}
static int handle_button_press(void *ignored, xcb_connection_t *conn, xcb_button_press_event_t *event) {
printf("button press!\n");
/* This was either a focus for a client’s parent (= titlebar)… */
Client *client = table_get(byChild, event->event);
printf("gots win %08x\n", client);
set_focus(conn, client);
return 1;
}
@ -1207,6 +1227,9 @@ int main(int argc, char *argv[], char *env[]) {
/* Enter window = user moved his mouse over the window */
xcb_event_set_enter_notify_handler(&evenths, handle_enter_notify, 0);
/* Button press = user pushed a mouse button over one of our windows */
xcb_event_set_button_press_handler(&evenths, handle_button_press, 0);
xcb_event_set_unmap_notify_handler(&evenths, handle_unmap_notify_event, 0);
xcb_property_handlers_init(&prophs, &evenths);