-int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, int second,
- resize_orientation_t orientation, xcb_button_press_event_t *event) {
- int new_position;
- xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
- xcb_screen_t *root_screen = xcb_setup_roots_iterator(xcb_get_setup(conn)).data;
- i3Screen *screen = get_screen_containing(event->root_x, event->root_y);
- if (screen == NULL) {
- LOG("BUG: No screen found at this position (%d, %d)\n", event->root_x, event->root_y);
- return 1;
- }
-
- LOG("Screen dimensions: (%d, %d) %d x %d\n", screen->rect.x, screen->rect.y, screen->rect.width, screen->rect.height);
-
- /* FIXME: horizontal resizing causes empty spaces to exist */
- if (orientation == O_HORIZONTAL) {
- LOG("Sorry, horizontal resizing is not yet activated due to creating layout bugs."
- "If you are brave, enable the code for yourself and try fixing it.\n");
- return 1;
- }
-
- uint32_t mask = 0;
- uint32_t values[2];
-
- mask = XCB_CW_OVERRIDE_REDIRECT;
- values[0] = 1;
-
- /* Open a new window, the resizebar. Grab the pointer and move the window around
- as the user moves the pointer. */
- Rect grabrect = {0, 0, root_screen->width_in_pixels, root_screen->height_in_pixels};
- xcb_window_t grabwin = create_window(conn, grabrect, XCB_WINDOW_CLASS_INPUT_ONLY, -1, mask, values);
-
- Rect helprect;
- if (orientation == O_VERTICAL) {
- helprect.x = event->root_x;
- helprect.y = screen->rect.y;
- helprect.width = 2;
- helprect.height = screen->rect.height;
- new_position = event->root_x;
- } else {
- helprect.x = 0;
- helprect.y = event->root_y;
- helprect.width = root_screen->width_in_pixels;
- helprect.height = 2;
- new_position = event->root_y;
- }
-
- mask = XCB_CW_BACK_PIXEL;
- values[0] = config.client.focused.border;
-
- mask |= XCB_CW_OVERRIDE_REDIRECT;
- values[1] = 1;
-
- xcb_window_t helpwin = create_window(conn, helprect, XCB_WINDOW_CLASS_INPUT_OUTPUT,
- (orientation == O_VERTICAL ?
- XCB_CURSOR_SB_V_DOUBLE_ARROW :
- XCB_CURSOR_SB_H_DOUBLE_ARROW), mask, values);
-
- xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, helpwin);
-
- xcb_grab_pointer(conn, false, root, XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION,
- XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, grabwin, XCB_NONE, XCB_CURRENT_TIME);
-
- xcb_flush(conn);
-
- xcb_generic_event_t *inside_event;
- /* I’ve always wanted to have my own eventhandler… */
- while ((inside_event = xcb_wait_for_event(conn))) {
- /* Same as get_event_handler in xcb */
- int nr = inside_event->response_type;
- if (nr == 0) {
- /* An error occured */
- handle_event(NULL, conn, inside_event);
- free(inside_event);
- continue;
- }
- assert(nr < 256);
- nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
- assert(nr >= 2);
-
- /* Check if we need to escape this loop */
- if (nr == XCB_BUTTON_RELEASE)
- break;
-
- switch (nr) {
- case XCB_MOTION_NOTIFY: {
- xcb_motion_notify_event_t *motion_event = (xcb_motion_notify_event_t*)inside_event;
- if (orientation == O_VERTICAL) {
- if (motion_event->root_x < (screen->rect.x + screen->rect.width) &&
- motion_event->root_x > screen->rect.x) {
- values[0] = new_position = ((xcb_motion_notify_event_t*)inside_event)->root_x;
- xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values);
- } else {
- LOG("Ignoring new position\n");
- }
- } else {
- values[0] = new_position = ((xcb_motion_notify_event_t*)inside_event)->root_y;
- xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_Y, values);
- }
-
- xcb_flush(conn);
- break;
- }
- default:
- LOG("Passing to original handler\n");
- /* Use original handler */
- xcb_event_handle(&evenths, inside_event);
- break;
- }
- free(inside_event);
- }
-
- xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
- xcb_destroy_window(conn, helpwin);
- xcb_destroy_window(conn, grabwin);
- xcb_flush(conn);
-
- if (orientation == O_VERTICAL) {
- LOG("Resize was from X = %d to X = %d\n", event->root_x, new_position);
- if (event->root_x == new_position) {
- LOG("Nothing changed, not updating anything\n");
- return 1;
- }
-
- int default_width = ws->rect.width / ws->cols;
- int old_unoccupied_x = get_unoccupied_x(ws);
-
- /* We pre-calculate the unoccupied space to see if we need to adapt sizes before
- * doing the resize */
- int new_unoccupied_x = old_unoccupied_x;
-
- if (old_unoccupied_x == 0)
- old_unoccupied_x = ws->rect.width;
-
- if (ws->width_factor[first] == 0)
- new_unoccupied_x += default_width;
-
- if (ws->width_factor[second] == 0)
- new_unoccupied_x += default_width;
-
- LOG("\n\n\n");
- LOG("old = %d, new = %d\n", old_unoccupied_x, new_unoccupied_x);
-
- /* If the space used for customly resized columns has changed we need to adapt the
- * other customly resized columns, if any */
- if (new_unoccupied_x != old_unoccupied_x)
- for (int col = 0; col < ws->cols; col++) {
- if (ws->width_factor[col] == 0)
- continue;
-
- LOG("Updating other column (%d) (current width_factor = %f)\n", col, ws->width_factor[col]);
- ws->width_factor[col] = (ws->width_factor[col] * old_unoccupied_x) / new_unoccupied_x;
- LOG("to %f\n", ws->width_factor[col]);
- }
-
- LOG("old_unoccupied_x = %d\n", old_unoccupied_x);
-
- LOG("Updating first (before = %f)\n", ws->width_factor[first]);
- /* Convert 0 (for default width_factor) to actual numbers */
- if (ws->width_factor[first] == 0)
- ws->width_factor[first] = ((float)ws->rect.width / ws->cols) / new_unoccupied_x;
-
- LOG("middle = %f\n", ws->width_factor[first]);
- int old_width = ws->width_factor[first] * old_unoccupied_x;
- LOG("first->width = %d, new_position = %d, event->root_x = %d\n", old_width, new_position, event->root_x);
- ws->width_factor[first] *= (float)(old_width + (new_position - event->root_x)) / old_width;
- LOG("-> %f\n", ws->width_factor[first]);
-
-
- LOG("Updating second (before = %f)\n", ws->width_factor[second]);
- if (ws->width_factor[second] == 0)
- ws->width_factor[second] = ((float)ws->rect.width / ws->cols) / new_unoccupied_x;
- LOG("middle = %f\n", ws->width_factor[second]);
- old_width = ws->width_factor[second] * old_unoccupied_x;
- LOG("second->width = %d, new_position = %d, event->root_x = %d\n", old_width, new_position, event->root_x);
- ws->width_factor[second] *= (float)(old_width - (new_position - event->root_x)) / old_width;
- LOG("-> %f\n", ws->width_factor[second]);
-
- LOG("new unoccupied_x = %d\n", get_unoccupied_x(ws));
-
- LOG("\n\n\n");
- } else {
-#if 0
- LOG("Resize was from Y = %d to Y = %d\n", event->root_y, new_position);
- if (event->root_y == new_position) {
- LOG("Nothing changed, not updating anything\n");
- return 1;
- }
-
- /* Convert 0 (for default height_factor) to actual numbers */
- if (first->height_factor == 0)
- first->height_factor = ((float)ws->rect.height / ws->rows) / ws->rect.height;
- if (second->height_factor == 0)
- second->height_factor = ((float)ws->rect.height / ws->rows) / ws->rect.height;
-
- first->height_factor *= (float)(first->height + (new_position - event->root_y)) / first->height;
- second->height_factor *= (float)(second->height - (new_position - event->root_y)) / second->height;
-#endif
- }
-
- render_layout(conn);
-
- return 1;
+struct callback_params {
+ orientation_t orientation;
+ Con *output;
+ xcb_window_t helpwin;
+ uint32_t *new_position;
+};
+
+DRAGGING_CB(resize_callback) {
+ struct callback_params *params = extra;
+ Con *output = params->output;
+ DLOG("new x = %d, y = %d\n", new_x, new_y);
+ if (params->orientation == HORIZ) {
+ /* Check if the new coordinates are within screen boundaries */
+ if (new_x > (output->rect.x + output->rect.width - 25) ||
+ new_x < (output->rect.x + 25))
+ return;
+
+ *(params->new_position) = new_x;
+ xcb_configure_window(conn, params->helpwin, XCB_CONFIG_WINDOW_X, params->new_position);
+ } else {
+ if (new_y > (output->rect.y + output->rect.height - 25) ||
+ new_y < (output->rect.y + 25))
+ return;
+
+ *(params->new_position) = new_y;
+ xcb_configure_window(conn, params->helpwin, XCB_CONFIG_WINDOW_Y, params->new_position);
+ }
+
+ xcb_flush(conn);
+}
+
+int resize_graphical_handler(Con *first, Con *second, orientation_t orientation, xcb_button_press_event_t *event) {
+ DLOG("resize handler\n");
+
+ uint32_t new_position;
+
+ /* TODO: previously, we were getting a rect containing all screens. why? */
+ Con *output = con_get_output(first);
+ DLOG("x = %d, width = %d\n", output->rect.x, output->rect.width);
+
+ uint32_t mask = 0;
+ uint32_t values[2];
+
+ mask = XCB_CW_OVERRIDE_REDIRECT;
+ values[0] = 1;
+
+ /* Open a new window, the resizebar. Grab the pointer and move the window around
+ as the user moves the pointer. */
+ xcb_window_t grabwin = create_window(conn, output->rect, XCB_WINDOW_CLASS_INPUT_ONLY, XCURSOR_CURSOR_POINTER, true, mask, values);
+
+ Rect helprect;
+ if (orientation == HORIZ) {
+ helprect.x = event->root_x;
+ helprect.y = output->rect.y;
+ helprect.width = 2;
+ helprect.height = output->rect.height;
+ new_position = event->root_x;
+ } else {
+ helprect.x = output->rect.x;
+ helprect.y = event->root_y;
+ helprect.width = output->rect.width;
+ helprect.height = 2;
+ new_position = event->root_y;
+ }
+
+ mask = XCB_CW_BACK_PIXEL;
+ values[0] = config.client.focused.border;
+
+ mask |= XCB_CW_OVERRIDE_REDIRECT;
+ values[1] = 1;
+
+ xcb_window_t helpwin = create_window(conn, helprect, XCB_WINDOW_CLASS_INPUT_OUTPUT,
+ (orientation == HORIZ ?
+ XCURSOR_CURSOR_RESIZE_HORIZONTAL :
+ XCURSOR_CURSOR_RESIZE_VERTICAL), true, mask, values);
+
+ xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, helpwin);
+
+ xcb_flush(conn);
+
+ struct callback_params params = { orientation, output, helpwin, &new_position };
+
+ drag_pointer(NULL, event, grabwin, BORDER_TOP, resize_callback, ¶ms);
+
+ xcb_destroy_window(conn, helpwin);
+ xcb_destroy_window(conn, grabwin);
+ xcb_flush(conn);
+
+ int pixels;
+ if (orientation == HORIZ)
+ pixels = (new_position - event->root_x);
+ else pixels = (new_position - event->root_y);
+
+ DLOG("Done, pixels = %d\n", pixels);
+
+ // if we got thus far, the containers must have
+ // percentages associated with them
+ assert(first->percent > 0.0);
+ assert(second->percent > 0.0);
+
+ // calculate the new percentage for the first container
+ double new_percent, difference;
+ double percent = first->percent;
+ DLOG("percent = %f\n", percent);
+ int original = (orientation == HORIZ ? first->rect.width : first->rect.height);
+ DLOG("original = %d\n", original);
+ new_percent = (original + pixels) * (percent / original);
+ difference = percent - new_percent;
+ DLOG("difference = %f\n", difference);
+ DLOG("new percent = %f\n", new_percent);
+ first->percent = new_percent;
+
+ // calculate the new percentage for the second container
+ double s_percent = second->percent;
+ second->percent = s_percent + difference;
+ DLOG("second->percent = %f\n", second->percent);
+
+ // now we must make sure that the sum of the percentages remain 1.0
+ con_fix_percent(first->parent);
+
+ return 0;