From 947c67a62716d4732e12119b8d813af6ef8a3832 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ingo=20B=C3=BCrk?= Date: Wed, 1 Apr 2015 14:35:49 +0200 Subject: [PATCH] Position i3-input at window with input focus This positions the i3-input window at the window holding the input focus' position, plus a small offset. fixes #1058 --- i3-input/main.c | 54 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 50 insertions(+), 4 deletions(-) diff --git a/i3-input/main.c b/i3-input/main.c index 996fc0ea..b32d7b66 100644 --- a/i3-input/main.c +++ b/i3-input/main.c @@ -314,6 +314,50 @@ static int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press return 1; } +static xcb_rectangle_t get_window_position(void) { + xcb_rectangle_t result = (xcb_rectangle_t){logical_px(50), logical_px(50), logical_px(500), font.height + logical_px(8)}; + + xcb_get_input_focus_reply_t *input_focus = NULL; + xcb_get_geometry_reply_t *geometry = NULL; + xcb_translate_coordinates_reply_t *coordinates = NULL; + + /* In rare cases, the window holding the input focus might disappear while we are figuring out its + * position. To avoid this, we grab the server in the meantime. */ + xcb_grab_server(conn); + + input_focus = xcb_get_input_focus_reply(conn, xcb_get_input_focus(conn), NULL); + if (input_focus == NULL || input_focus->focus == XCB_NONE) { + DLOG("Failed to receive the current input focus or no window has the input focus right now.\n"); + goto free_resources; + } + + geometry = xcb_get_geometry_reply(conn, xcb_get_geometry(conn, input_focus->focus), NULL); + if (geometry == NULL) { + DLOG("Failed to received window geometry.\n"); + goto free_resources; + } + + coordinates = xcb_translate_coordinates_reply( + conn, xcb_translate_coordinates(conn, input_focus->focus, root, geometry->x, geometry->y), NULL); + if (coordinates == NULL) { + DLOG("Failed to translate coordinates.\n"); + goto free_resources; + } + + DLOG("Determined coordinates of window with input focus at x = %i / y = %i", coordinates->dst_x, coordinates->dst_y); + result.x += coordinates->dst_x; + result.y += coordinates->dst_y; + +free_resources: + xcb_ungrab_server(conn); + xcb_flush(conn); + + FREE(input_focus); + FREE(geometry); + FREE(coordinates); + return result; +} + int main(int argc, char *argv[]) { format = strdup("%s"); socket_path = getenv("I3SOCK"); @@ -402,15 +446,17 @@ int main(int argc, char *argv[]) { if (prompt != NULL) prompt_offset = predict_text_width(prompt); + const xcb_rectangle_t win_pos = get_window_position(); + /* Open an input window */ win = xcb_generate_id(conn); xcb_create_window( conn, XCB_COPY_FROM_PARENT, - win, /* the window id */ - root, /* parent == root */ - logical_px(50), logical_px(50), logical_px(500), font.height + logical_px(8), /* dimensions */ - 0, /* X11 border = 0, we draw our own */ + win, /* the window id */ + root, /* parent == root */ + win_pos.x, win_pos.y, win_pos.width, win_pos.height, /* dimensions */ + 0, /* X11 border = 0, we draw our own */ XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */ XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK, -- 2.39.2