X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Ffloating.c;h=f5641fffa3b81941e2da4ce5e043f8529ba535e8;hb=884214f14fdbd0a4a368d2a36d5e50324fa1d52a;hp=b72e7fc043f19987c8643e244743aac92185922c;hpb=f41fa1baa1043c59519f5376f65dd4804edb2183;p=i3%2Fi3 diff --git a/src/floating.c b/src/floating.c index b72e7fc0..f5641fff 100644 --- a/src/floating.c +++ b/src/floating.c @@ -4,7 +4,7 @@ * vim:ts=4:sw=4:expandtab * * i3 - an improved dynamic tiling window manager - * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE) + * © 2009 Michael Stapelberg and contributors (see also: LICENSE) * * floating.c: Floating windows. * @@ -28,12 +28,46 @@ static Rect total_outputs_dimensions(void) { return outputs_dimensions; } -void floating_checkSize(Con *floating_con) { - +/** + * Called when a floating window is created or resized. + * This function resizes the window if its size is higher or lower than the + * configured maximum/minimum size, respectively. + * + */ +void floating_check_size(Con *floating_con) { /* Define reasonable minimal and maximal sizes for floating windows */ const int floating_sane_min_height = 50; const int floating_sane_min_width = 75; Rect floating_sane_max_dimensions; + Con *focused_con = con_descend_focused(floating_con); + + /* obey size increments */ + if (focused_con->height_increment || focused_con->width_increment) { + Rect border_rect = con_border_style_rect(focused_con); + + /* We have to do the opposite calculations that render_con() do + * to get the exact size we want. */ + border_rect.width = -border_rect.width; + border_rect.width += 2 * focused_con->border_width; + border_rect.height = -border_rect.height; + border_rect.height += 2 * focused_con->border_width; + if (con_border_style(focused_con) == BS_NORMAL) + border_rect.height += render_deco_height(); + + if (focused_con->height_increment && + floating_con->rect.height >= focused_con->base_height + border_rect.height) { + floating_con->rect.height -= focused_con->base_height + border_rect.height; + floating_con->rect.height -= floating_con->rect.height % focused_con->height_increment; + floating_con->rect.height += focused_con->base_height + border_rect.height; + } + + if (focused_con->width_increment && + floating_con->rect.width >= focused_con->base_width + border_rect.width) { + floating_con->rect.width -= focused_con->base_width + border_rect.width; + floating_con->rect.width -= floating_con->rect.width % focused_con->width_increment; + floating_con->rect.width += focused_con->base_width + border_rect.width; + } + } /* Unless user requests otherwise (-1), ensure width/height do not exceed * configured maxima or, if unconfigured, limit to combined width of all @@ -160,11 +194,11 @@ void floating_enable(Con *con, bool automatic) { free(name); /* find the height for the decorations */ - int deco_height = config.font.height + 5; + int deco_height = render_deco_height(); DLOG("Original rect: (%d, %d) with %d x %d\n", con->rect.x, con->rect.y, con->rect.width, con->rect.height); DLOG("Geometry = (%d, %d) with %d x %d\n", con->geometry.x, con->geometry.y, con->geometry.width, con->geometry.height); - Rect zero = { 0, 0, 0, 0 }; + Rect zero = {0, 0, 0, 0}; nc->rect = con->geometry; /* If the geometry was not set (split containers), we need to determine a * sensible one by combining the geometry of all children */ @@ -178,7 +212,7 @@ void floating_enable(Con *con, bool automatic) { } } - floating_checkSize(nc); + floating_check_size(nc); /* 3: attach the child to the new parent container. We need to do this * because con_border_style_rect() needs to access con->parent. */ @@ -197,7 +231,7 @@ void floating_enable(Con *con, bool automatic) { nc->rect.width -= border_style_rect.width; /* Add some more pixels for the title bar */ - if(con_border_style(con) == BS_NORMAL) + if (con_border_style(con) == BS_NORMAL) nc->rect.height += deco_height; /* Honor the X11 border */ @@ -212,19 +246,18 @@ void floating_enable(Con *con, bool automatic) { if (con->window && con->window->leader != XCB_NONE && (leader = con_by_window_id(con->window->leader)) != NULL) { DLOG("Centering above leader\n"); - nc->rect.x = leader->rect.x + (leader->rect.width / 2) - (nc->rect.width / 2); - nc->rect.y = leader->rect.y + (leader->rect.height / 2) - (nc->rect.height / 2); + floating_center(nc, leader->rect); } else { /* center the window on workspace as fallback */ - nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2); - nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2); + floating_center(nc, ws->rect); } } /* Sanity check: Are the coordinates on the appropriate output? If not, we * need to change them */ Output *current_output = get_output_containing(nc->rect.x + - (nc->rect.width / 2), nc->rect.y + (nc->rect.height / 2)); + (nc->rect.width / 2), + nc->rect.y + (nc->rect.height / 2)); Con *correct_output = con_get_output(ws); if (!current_output || current_output->con != correct_output) { @@ -246,7 +279,7 @@ void floating_enable(Con *con, bool automatic) { /* 5: Subtract the deco_height in order to make the floating window appear * at precisely the position it specified in its original geometry (which * is what applications might remember). */ - deco_height = (con->border_style == BS_NORMAL ? config.font.height + 5 : 0); + deco_height = (con->border_style == BS_NORMAL ? render_deco_height() : 0); nc->rect.y -= deco_height; DLOG("Corrected y = %d (deco_height = %d)\n", nc->rect.y, deco_height); @@ -263,16 +296,21 @@ void floating_enable(Con *con, bool automatic) { /* Check if we need to re-assign it to a different workspace because of its * coordinates and exit if that was done successfully. */ - if (floating_maybe_reassign_ws(nc)) + if (floating_maybe_reassign_ws(nc)) { + ipc_send_window_event("floating", con); return; + } /* Sanitize coordinates: Check if they are on any output */ - if (get_output_containing(nc->rect.x, nc->rect.y) != NULL) + if (get_output_containing(nc->rect.x, nc->rect.y) != NULL) { + ipc_send_window_event("floating", con); return; + } ELOG("No output found at destination coordinates, centering floating window on current ws\n"); - nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2); - nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2); + floating_center(nc, ws->rect); + + ipc_send_window_event("floating", con); } void floating_disable(Con *con, bool automatic) { @@ -281,6 +319,8 @@ void floating_disable(Con *con, bool automatic) { return; } + const bool set_focus = (con == focused); + Con *ws = con_get_workspace(con); /* 1: detach from parent container */ @@ -300,7 +340,8 @@ void floating_disable(Con *con, bool automatic) { * workspace itself */ if (focused->type == CT_WORKSPACE) con->parent = focused; - else con->parent = focused->parent; + else + con->parent = focused->parent; /* con_fix_percent will adjust the percent value */ con->percent = 0.0; @@ -310,8 +351,11 @@ void floating_disable(Con *con, bool automatic) { con_attach(con, con->parent, false); con_fix_percent(con->parent); - // TODO: don’t influence focus handling when Con was not focused before. - con_focus(con); + + if (set_focus) + con_focus(con); + + ipc_send_window_event("floating", con); } /* @@ -373,6 +417,15 @@ bool floating_maybe_reassign_ws(Con *con) { return true; } +/* + * Centers a floating con above the specified rect. + * + */ +void floating_center(Con *con, Rect rect) { + con->rect.x = rect.x + (rect.width / 2) - (con->rect.width / 2); + con->rect.y = rect.y + (rect.height / 2) - (con->rect.height / 2); +} + DRAGGING_CB(drag_window_callback) { const struct xcb_button_press_event_t *event = extra; @@ -387,6 +440,8 @@ DRAGGING_CB(drag_window_callback) { /* Check if we cross workspace boundaries while moving */ if (!floating_maybe_reassign_ws(con)) return; + /* Ensure not to warp the pointer while dragging */ + x_set_warp_to(NULL); tree_render(); } @@ -402,8 +457,20 @@ void floating_drag_window(Con *con, const xcb_button_press_event_t *event) { * after the user releases the mouse button */ tree_render(); + /* Store the initial rect in case of user revert/cancel */ + Rect initial_rect = con->rect; + /* Drag the window */ - drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, XCURSOR_CURSOR_MOVE, drag_window_callback, event); + drag_result_t drag_result = drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, XCURSOR_CURSOR_MOVE, drag_window_callback, event); + + /* If the user cancelled, undo the changes. */ + if (drag_result == DRAG_REVERT) + floating_reposition(con, initial_rect); + + /* If this is a scratchpad window, don't auto center it from now on. */ + if (con->scratchpad_state == SCRATCHPAD_FRESH) + con->scratchpad_state = SCRATCHPAD_CHANGED; + tree_render(); } @@ -430,38 +497,41 @@ DRAGGING_CB(resize_window_callback) { uint32_t dest_width; uint32_t dest_height; - double ratio = (double) old_rect->width / old_rect->height; + double ratio = (double)old_rect->width / old_rect->height; /* First guess: We resize by exactly the amount the mouse moved, * taking into account in which corner the client was grabbed */ if (corner & BORDER_LEFT) dest_width = old_rect->width - (new_x - event->root_x); - else dest_width = old_rect->width + (new_x - event->root_x); + else + dest_width = old_rect->width + (new_x - event->root_x); if (corner & BORDER_TOP) dest_height = old_rect->height - (new_y - event->root_y); - else dest_height = old_rect->height + (new_y - event->root_y); - - /* Obey minimum window size */ - Rect minimum = con_minimum_size(con); - dest_width = max(dest_width, minimum.width); - dest_height = max(dest_height, minimum.height); + else + dest_height = old_rect->height + (new_y - event->root_y); /* User wants to keep proportions, so we may have to adjust our values */ if (params->proportional) { - dest_width = max(dest_width, (int) (dest_height * ratio)); - dest_height = max(dest_height, (int) (dest_width / ratio)); + dest_width = max(dest_width, (int)(dest_height * ratio)); + dest_height = max(dest_height, (int)(dest_width / ratio)); } + con->rect = (Rect){dest_x, dest_y, dest_width, dest_height}; + + /* Obey window size */ + floating_check_size(con); + /* If not the lower right corner is grabbed, we must also reposition * the client by exactly the amount we resized it */ if (corner & BORDER_LEFT) - dest_x = old_rect->x + (old_rect->width - dest_width); + dest_x = old_rect->x + (old_rect->width - con->rect.width); if (corner & BORDER_TOP) - dest_y = old_rect->y + (old_rect->height - dest_height); + dest_y = old_rect->y + (old_rect->height - con->rect.height); - con->rect = (Rect) { dest_x, dest_y, dest_width, dest_height }; + con->rect.x = dest_x; + con->rect.y = dest_y; /* TODO: don’t re-render the whole tree just because we change * coordinates of a floating window */ @@ -483,124 +553,214 @@ void floating_resize_window(Con *con, const bool proportional, * a bitmask of the nearest borders (BORDER_LEFT, BORDER_RIGHT, …) */ border_t corner = 0; - if (event->event_x <= (con->rect.width / 2)) + if (event->event_x <= (int16_t)(con->rect.width / 2)) corner |= BORDER_LEFT; - else corner |= BORDER_RIGHT; + else + corner |= BORDER_RIGHT; int cursor = 0; - if (event->event_y <= (con->rect.height / 2)) { + if (event->event_y <= (int16_t)(con->rect.height / 2)) { corner |= BORDER_TOP; - cursor = (corner & BORDER_LEFT) ? - XCURSOR_CURSOR_TOP_LEFT_CORNER : XCURSOR_CURSOR_TOP_RIGHT_CORNER; - } - else { + cursor = (corner & BORDER_LEFT) ? XCURSOR_CURSOR_TOP_LEFT_CORNER : XCURSOR_CURSOR_TOP_RIGHT_CORNER; + } else { corner |= BORDER_BOTTOM; - cursor = (corner & BORDER_LEFT) ? - XCURSOR_CURSOR_BOTTOM_LEFT_CORNER : XCURSOR_CURSOR_BOTTOM_RIGHT_CORNER; + cursor = (corner & BORDER_LEFT) ? XCURSOR_CURSOR_BOTTOM_LEFT_CORNER : XCURSOR_CURSOR_BOTTOM_RIGHT_CORNER; } - struct resize_window_callback_params params = { corner, proportional, event }; + struct resize_window_callback_params params = {corner, proportional, event}; + + /* get the initial rect in case of revert/cancel */ + Rect initial_rect = con->rect; + + drag_result_t drag_result = drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, cursor, resize_window_callback, ¶ms); - drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, cursor, resize_window_callback, ¶ms); + /* If the user cancels, undo the resize */ + if (drag_result == DRAG_REVERT) + floating_reposition(con, initial_rect); + + /* If this is a scratchpad window, don't auto center it from now on. */ + if (con->scratchpad_state == SCRATCHPAD_FRESH) + con->scratchpad_state = SCRATCHPAD_CHANGED; +} + +/* As endorsed by “ASSOCIATING CUSTOM DATA WITH A WATCHER” in ev(3) */ +struct drag_x11_cb { + ev_check check; + + /* Whether this modal event loop should be exited and with which result. */ + drag_result_t result; + + /* The container that is being dragged or resized, or NULL if this is a + * drag of the resize handle. */ + Con *con; + + /* The dimensions of con when the loop was started. */ + Rect old_rect; + + /* The callback to invoke after every pointer movement. */ + callback_t callback; + + /* User data pointer for callback. */ + const void *extra; +}; + +static void xcb_drag_check_cb(EV_P_ ev_check *w, int revents) { + struct drag_x11_cb *dragloop = (struct drag_x11_cb *)w; + xcb_motion_notify_event_t *last_motion_notify = NULL; + xcb_generic_event_t *event; + + while ((event = xcb_poll_for_event(conn)) != NULL) { + if (event->response_type == 0) { + xcb_generic_error_t *error = (xcb_generic_error_t *)event; + DLOG("X11 Error received (probably harmless)! sequence 0x%x, error_code = %d\n", + error->sequence, error->error_code); + free(event); + continue; + } + + /* Strip off the highest bit (set if the event is generated) */ + int type = (event->response_type & 0x7F); + + switch (type) { + case XCB_BUTTON_RELEASE: + dragloop->result = DRAG_SUCCESS; + break; + + case XCB_KEY_PRESS: + DLOG("A key was pressed during drag, reverting changes."); + dragloop->result = DRAG_REVERT; + handle_event(type, event); + break; + + case XCB_UNMAP_NOTIFY: { + xcb_unmap_notify_event_t *unmap_event = (xcb_unmap_notify_event_t *)event; + Con *con = con_by_window_id(unmap_event->window); + + if (con != NULL) { + DLOG("UnmapNotify for window 0x%08x (container %p)\n", unmap_event->window, con); + + if (con_get_workspace(con) == con_get_workspace(focused)) { + DLOG("UnmapNotify for a managed window on the current workspace, aborting\n"); + dragloop->result = DRAG_ABORT; + } + } + + handle_event(type, event); + break; + } + + case XCB_MOTION_NOTIFY: + /* motion_notify events are saved for later */ + FREE(last_motion_notify); + last_motion_notify = (xcb_motion_notify_event_t *)event; + break; + + default: + DLOG("Passing to original handler\n"); + handle_event(type, event); + break; + } + + if (last_motion_notify != (xcb_motion_notify_event_t *)event) + free(event); + + if (dragloop->result != DRAGGING) + return; + } + + if (last_motion_notify == NULL) + return; + + dragloop->callback( + dragloop->con, + &(dragloop->old_rect), + last_motion_notify->root_x, + last_motion_notify->root_y, + dragloop->extra); + free(last_motion_notify); } /* - * This function grabs your pointer and lets you drag stuff around (borders). - * Every time you move your mouse, an XCB_MOTION_NOTIFY event will be received - * and the given callback will be called with the parameters specified (client, - * border on which the click originally was), the original rect of the client, - * the event and the new coordinates (x, y). + * This function grabs your pointer and keyboard and lets you drag stuff around + * (borders). Every time you move your mouse, an XCB_MOTION_NOTIFY event will + * be received and the given callback will be called with the parameters + * specified (client, border on which the click originally was), the original + * rect of the client, the event and the new coordinates (x, y). * */ -void drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t - confine_to, border_t border, int cursor, callback_t callback, const void *extra) -{ - uint32_t new_x, new_y; - Rect old_rect = { 0, 0, 0, 0 }; - if (con != NULL) - memcpy(&old_rect, &(con->rect), sizeof(Rect)); - - Cursor xcursor = (cursor && xcursor_supported) ? - xcursor_get_cursor(cursor) : XCB_NONE; +drag_result_t drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t + confine_to, + border_t border, int cursor, callback_t callback, const void *extra) { + xcb_cursor_t xcursor = (cursor && xcursor_supported) ? xcursor_get_cursor(cursor) : XCB_NONE; /* Grab the pointer */ xcb_grab_pointer_cookie_t cookie; xcb_grab_pointer_reply_t *reply; + xcb_generic_error_t *error; + cookie = xcb_grab_pointer(conn, - false, /* get all pointer events specified by the following mask */ - root, /* grab the root window */ - XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */ - XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */ - XCB_GRAB_MODE_ASYNC, /* keyboard mode */ - confine_to, /* confine_to = in which window should the cursor stay */ - xcursor, /* possibly display a special cursor */ - XCB_CURRENT_TIME); - - if ((reply = xcb_grab_pointer_reply(conn, cookie, NULL)) == NULL) { - ELOG("Could not grab pointer\n"); - return; + false, /* get all pointer events specified by the following mask */ + root, /* grab the root window */ + XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */ + XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */ + XCB_GRAB_MODE_ASYNC, /* keyboard mode */ + confine_to, /* confine_to = in which window should the cursor stay */ + xcursor, /* possibly display a special cursor */ + XCB_CURRENT_TIME); + + if ((reply = xcb_grab_pointer_reply(conn, cookie, &error)) == NULL) { + ELOG("Could not grab pointer (error_code = %d)\n", error->error_code); + free(error); + return DRAG_ABORT; } free(reply); - /* Go into our own event loop */ - xcb_flush(conn); - - xcb_generic_event_t *inside_event, *last_motion_notify = NULL; - bool loop_done = false; - /* I’ve always wanted to have my own eventhandler… */ - while (!loop_done && (inside_event = xcb_wait_for_event(conn))) { - /* We now handle all events we can get using xcb_poll_for_event */ - do { - /* skip x11 errors */ - if (inside_event->response_type == 0) { - free(inside_event); - continue; - } - /* Strip off the highest bit (set if the event is generated) */ - int type = (inside_event->response_type & 0x7F); - - switch (type) { - case XCB_BUTTON_RELEASE: - loop_done = true; - break; - - case XCB_MOTION_NOTIFY: - /* motion_notify events are saved for later */ - FREE(last_motion_notify); - last_motion_notify = inside_event; - break; - - case XCB_UNMAP_NOTIFY: - case XCB_KEY_PRESS: - case XCB_KEY_RELEASE: - DLOG("Unmap-notify, aborting\n"); - handle_event(type, inside_event); - loop_done = true; - break; - - default: - DLOG("Passing to original handler\n"); - /* Use original handler */ - handle_event(type, inside_event); - break; - } - if (last_motion_notify != inside_event) - free(inside_event); - } while ((inside_event = xcb_poll_for_event(conn)) != NULL); - - if (last_motion_notify == NULL || loop_done) - continue; - - new_x = ((xcb_motion_notify_event_t*)last_motion_notify)->root_x; - new_y = ((xcb_motion_notify_event_t*)last_motion_notify)->root_y; - - callback(con, &old_rect, new_x, new_y, extra); - FREE(last_motion_notify); + /* Grab the keyboard */ + xcb_grab_keyboard_cookie_t keyb_cookie; + xcb_grab_keyboard_reply_t *keyb_reply; + + keyb_cookie = xcb_grab_keyboard(conn, + false, /* get all keyboard events */ + root, /* grab the root window */ + XCB_CURRENT_TIME, + XCB_GRAB_MODE_ASYNC, /* continue processing pointer events as normal */ + XCB_GRAB_MODE_ASYNC /* keyboard mode */ + ); + + if ((keyb_reply = xcb_grab_keyboard_reply(conn, keyb_cookie, &error)) == NULL) { + ELOG("Could not grab keyboard (error_code = %d)\n", error->error_code); + free(error); + xcb_ungrab_pointer(conn, XCB_CURRENT_TIME); + return DRAG_ABORT; } + free(keyb_reply); + + /* Go into our own event loop */ + struct drag_x11_cb loop = { + .result = DRAGGING, + .con = con, + .callback = callback, + .extra = extra, + }; + if (con) + loop.old_rect = con->rect; + ev_check_init(&loop.check, xcb_drag_check_cb); + main_set_x11_cb(false); + ev_check_start(main_loop, &loop.check); + + while (loop.result == DRAGGING) + ev_run(main_loop, EVRUN_ONCE); + + ev_check_stop(main_loop, &loop.check); + main_set_x11_cb(true); + + xcb_ungrab_keyboard(conn, XCB_CURRENT_TIME); xcb_ungrab_pointer(conn, XCB_CURRENT_TIME); xcb_flush(conn); + + return loop.result; } /* @@ -613,11 +773,7 @@ void drag_pointer(Con *con, const xcb_button_press_event_t *event, xcb_window_t void floating_reposition(Con *con, Rect newrect) { /* Sanity check: Are the new coordinates on any output? If not, we * ignore that request. */ - Output *output = get_output_containing( - newrect.x + (newrect.width / 2), - newrect.y + (newrect.height / 2)); - - if (!output) { + if (!contained_by_output(newrect)) { ELOG("No output found at destination coordinates. Not repositioning.\n"); return; } @@ -625,6 +781,11 @@ void floating_reposition(Con *con, Rect newrect) { con->rect = newrect; floating_maybe_reassign_ws(con); + + /* If this is a scratchpad window, don't auto center it from now on. */ + if (con->scratchpad_state == SCRATCHPAD_FRESH) + con->scratchpad_state = SCRATCHPAD_CHANGED; + tree_render(); } @@ -642,18 +803,16 @@ void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect) { new_rect->x, new_rect->y, new_rect->width, new_rect->height); /* First we get the x/y coordinates relative to the x/y coordinates * of the output on which the window is on */ - int32_t rel_x = con->rect.x - old_rect->x + (int32_t)(con->rect.width / 2); + int32_t rel_x = con->rect.x - old_rect->x + (int32_t)(con->rect.width / 2); int32_t rel_y = con->rect.y - old_rect->y + (int32_t)(con->rect.height / 2); /* Then we calculate a fraction, for example 0.63 for a window * which is at y = 1212 of a 1920 px high output */ DLOG("rel_x = %d, rel_y = %d, fraction_x = %f, fraction_y = %f, output->w = %d, output->h = %d\n", - rel_x, rel_y, (double)rel_x / old_rect->width, (double)rel_y / old_rect->height, - old_rect->width, old_rect->height); + rel_x, rel_y, (double)rel_x / old_rect->width, (double)rel_y / old_rect->height, + old_rect->width, old_rect->height); /* Here we have to multiply at first. Or we will lose precision when not compiled with -msse2 */ - con->rect.x = (int32_t)new_rect->x + (double)(rel_x * (int32_t)new_rect->width) - / (int32_t)old_rect->width - (int32_t)(con->rect.width / 2); - con->rect.y = (int32_t)new_rect->y + (double)(rel_y * (int32_t)new_rect->height) - / (int32_t)old_rect->height - (int32_t)(con->rect.height / 2); + con->rect.x = (int32_t)new_rect->x + (double)(rel_x * (int32_t)new_rect->width) / (int32_t)old_rect->width - (int32_t)(con->rect.width / 2); + con->rect.y = (int32_t)new_rect->y + (double)(rel_y * (int32_t)new_rect->height) / (int32_t)old_rect->height - (int32_t)(con->rect.height / 2); DLOG("Resulting coordinates: x = %d, y = %d\n", con->rect.x, con->rect.y); }