--- /dev/null
+/*
+ * vim:ts=8:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ *
+ * © 2009 Michael Stapelberg and contributors
+ *
+ * See file LICENSE for license information.
+ *
+ * src/click.c: Contains the handlers for button press (mouse click) events
+ * because they are quite large.
+ *
+ */
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <stdbool.h>
+
+#include <xcb/xcb.h>
+#include <xcb/xcb_atom.h>
+#include <xcb/xcb_icccm.h>
+
+#include <X11/XKBlib.h>
+
+#include "i3.h"
+#include "queue.h"
+#include "table.h"
+#include "config.h"
+#include "util.h"
+#include "xcb.h"
+#include "client.h"
+#include "workspace.h"
+#include "commands.h"
+#include "floating.h"
+#include "resize.h"
+
+/*
+ * Checks if the button press was on a stack window, handles focus setting and returns true
+ * if so, or false otherwise.
+ *
+ */
+static bool button_press_stackwin(xcb_connection_t *conn, xcb_button_press_event_t *event) {
+ struct Stack_Window *stack_win;
+ SLIST_FOREACH(stack_win, &stack_wins, stack_windows) {
+ if (stack_win->window != event->event)
+ continue;
+
+ /* A stack window was clicked, we check if it was button4 or button5
+ which are scroll up / scroll down. */
+ if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
+ direction_t direction = (event->detail == XCB_BUTTON_INDEX_4 ? D_UP : D_DOWN);
+ focus_window_in_container(conn, CUR_CELL, direction);
+ return true;
+ }
+
+ /* It was no scrolling, so we calculate the destination client by
+ dividing the Y position of the event through the height of a window
+ decoration and then set the focus to this client. */
+ i3Font *font = load_font(conn, config.font);
+ int decoration_height = (font->height + 2 + 2);
+ int destination = (event->event_y / decoration_height),
+ c = 0,
+ num_clients = 0;
+ Client *client;
+
+ CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
+ num_clients++;
+
+ if (stack_win->container->mode == MODE_TABBED)
+ destination = (event->event_x / (stack_win->container->width / num_clients));
+
+ LOG("Click on stack_win for client %d\n", destination);
+ CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
+ if (c++ == destination) {
+ set_focus(conn, client, true);
+ return true;
+ }
+
+ return true;
+ }
+
+ return false;
+}
+
+/*
+ * Checks if the button press was on a bar, switches to the workspace and returns true
+ * if so, or false otherwise.
+ *
+ */
+static bool button_press_bar(xcb_connection_t *conn, xcb_button_press_event_t *event) {
+ i3Screen *screen;
+ TAILQ_FOREACH(screen, virtual_screens, screens) {
+ if (screen->bar != event->event)
+ continue;
+
+ LOG("Click on a bar\n");
+
+ /* Check if the button was one of button4 or button5 (scroll up / scroll down) */
+ if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
+ int add = (event->detail == XCB_BUTTON_INDEX_4 ? -1 : 1);
+ for (int i = c_ws->num + add; (i >= 0) && (i < 10); i += add)
+ if (workspaces[i].screen == screen) {
+ workspace_show(conn, i+1);
+ return true;
+ }
+ return true;
+ }
+ int drawn = 0;
+ /* Because workspaces can be on different screens, we need to loop
+ through all of them and decide to count it based on its ->screen */
+ for (int i = 0; i < 10; i++) {
+ if (workspaces[i].screen != screen)
+ continue;
+ LOG("Checking if click was on workspace %d with drawn = %d, tw = %d\n",
+ i, drawn, workspaces[i].text_width);
+ if (event->event_x > (drawn + 1) &&
+ event->event_x <= (drawn + 1 + workspaces[i].text_width + 5 + 5)) {
+ workspace_show(conn, i+1);
+ return true;
+ }
+
+ drawn += workspaces[i].text_width + 5 + 5 + 2;
+ }
+ return true;
+ }
+
+ return false;
+}
+
+int handle_button_press(void *ignored, xcb_connection_t *conn, xcb_button_press_event_t *event) {
+ LOG("Button %d pressed\n", event->state);
+ /* This was either a focus for a client’s parent (= titlebar)… */
+ Client *client = table_get(&by_child, event->event);
+ bool border_click = false;
+ if (client == NULL) {
+ client = table_get(&by_parent, event->event);
+ border_click = true;
+ }
+ /* See if this was a click with the configured modifier. If so, we need
+ * to move around the client if it was floating. if not, we just process
+ * as usual. */
+ if (config.floating_modifier != 0 &&
+ (event->state & config.floating_modifier) != 0) {
+ if (client == NULL) {
+ LOG("Not handling, floating_modifier was pressed and no client found\n");
+ return 1;
+ }
+ if (client_is_floating(client)) {
+ LOG("button %d pressed\n", event->detail);
+ if (event->detail == 1) {
+ LOG("left mouse button, dragging\n");
+ floating_drag_window(conn, client, event);
+ } else if (event->detail == 3) {
+ LOG("right mouse button\n");
+ floating_resize_window(conn, client, event);
+ }
+ return 1;
+ } else {
+ /* The client is in tiling layout. We can still
+ * initiate a resize with the right mouse button,
+ * by chosing the border which is the most near one
+ * to the position of the mouse pointer */
+ if (event->detail == 3) {
+ int to_right = client->rect.width - event->event_x,
+ to_left = event->event_x,
+ to_top = event->event_y,
+ to_bottom = client->rect.height - event->event_y;
+ resize_orientation_t orientation = O_VERTICAL;
+ Container *con = client->container;
+ int first = 0, second = 0;
+
+ LOG("click was %d px to the right, %d px to the left, %d px to top, %d px to bottom\n",
+ to_right, to_left, to_top, to_bottom);
+
+ if (to_right < to_left &&
+ to_right < to_top &&
+ to_right < to_bottom) {
+ /* …right border */
+ first = con->col + (con->colspan - 1);
+ LOG("column %d\n", first);
+
+ if (!cell_exists(first, con->row) ||
+ (first == (con->workspace->cols-1)))
+ return 1;
+
+ second = first + 1;
+ } else if (to_left < to_right &&
+ to_left < to_top &&
+ to_left < to_bottom) {
+ /* …left border */
+ if (con->col == 0)
+ return 1;
+
+ first = con->col - 1;
+ second = con->col;
+ } else if (to_top < to_right &&
+ to_top < to_left &&
+ to_top < to_bottom) {
+ /* This was a press on the top border */
+ if (con->row == 0)
+ return 1;
+ first = con->row - 1;
+ second = con->row;
+ orientation = O_HORIZONTAL;
+ } else if (to_bottom < to_right &&
+ to_bottom < to_left &&
+ to_bottom < to_top) {
+ /* …bottom border */
+ first = con->row + (con->rowspan - 1);
+ if (!cell_exists(con->col, first) ||
+ (first == (con->workspace->rows-1)))
+ return 1;
+
+ second = first + 1;
+ orientation = O_HORIZONTAL;
+ }
+
+ return resize_graphical_handler(conn, con->workspace, first, second, orientation, event);
+ }
+ }
+ }
+
+ if (client == NULL) {
+ /* The client was neither on a client’s titlebar nor on a client itself, maybe on a stack_window? */
+ if (button_press_stackwin(conn, event))
+ return 1;
+
+ /* Or on a bar? */
+ if (button_press_bar(conn, event))
+ return 1;
+
+ LOG("Could not handle this button press\n");
+ return 1;
+ }
+
+ /* Set focus in any case */
+ set_focus(conn, client, true);
+
+ /* Let’s see if this was on the borders (= resize). If not, we’re done */
+ LOG("press button on x=%d, y=%d\n", event->event_x, event->event_y);
+ resize_orientation_t orientation = O_VERTICAL;
+ Container *con = client->container;
+ int first, second;
+
+ if (client->dock) {
+ LOG("dock. done.\n");
+ xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ xcb_flush(conn);
+ return 1;
+ }
+
+ LOG("event->event_x = %d, client->rect.width = %d\n", event->event_x, client->rect.width);
+
+ /* Some clients (xfontsel for example) seem to pass clicks on their
+ * window to the parent window, thus we receive an event here which in
+ * reality is a border_click. Check for the position and fix state. */
+ if (border_click &&
+ event->event_x >= client->child_rect.x &&
+ event->event_x <= (client->child_rect.x + client->child_rect.width) &&
+ event->event_y >= client->child_rect.y &&
+ event->event_y <= (client->child_rect.y + client->child_rect.height)) {
+ LOG("Fixing border_click = false because of click in child\n");
+ border_click = false;
+ }
+
+ if (!border_click) {
+ LOG("client. done.\n");
+ xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ /* Floating clients should be raised on click */
+ if (client_is_floating(client))
+ xcb_raise_window(conn, client->frame);
+ xcb_flush(conn);
+ return 1;
+ }
+
+ /* Don’t handle events inside the titlebar, only borders are interesting */
+ i3Font *font = load_font(conn, config.font);
+ if (event->event_y >= 2 && event->event_y <= (font->height + 2 + 2)) {
+ LOG("click on titlebar\n");
+
+ /* Floating clients can be dragged by grabbing their titlebar */
+ if (client_is_floating(client)) {
+ /* Firstly, we raise it. Maybe the user just wanted to raise it without grabbing */
+ xcb_raise_window(conn, client->frame);
+ xcb_flush(conn);
+
+ floating_drag_window(conn, client, event);
+ }
+ return 1;
+ }
+
+ if (client_is_floating(client))
+ return floating_border_click(conn, client, event);
+
+ if (event->event_y < 2) {
+ /* This was a press on the top border */
+ if (con->row == 0)
+ return 1;
+ first = con->row - 1;
+ second = con->row;
+ orientation = O_HORIZONTAL;
+ } else if (event->event_y >= (client->rect.height - 2)) {
+ /* …bottom border */
+ first = con->row + (con->rowspan - 1);
+ if (!cell_exists(con->col, first) ||
+ (first == (con->workspace->rows-1)))
+ return 1;
+
+ second = first + 1;
+ orientation = O_HORIZONTAL;
+ } else if (event->event_x <= 2) {
+ /* …left border */
+ if (con->col == 0)
+ return 1;
+
+ first = con->col - 1;
+ second = con->col;
+ } else if (event->event_x > 2) {
+ /* …right border */
+ first = con->col + (con->colspan - 1);
+ LOG("column %d\n", first);
+
+ if (!cell_exists(first, con->row) ||
+ (first == (con->workspace->cols-1)))
+ return 1;
+
+ second = first + 1;
+ }
+
+ return resize_graphical_handler(conn, con->workspace, first, second, orientation, event);
+}
return 0;
}
-/*
- * Checks if the button press was on a stack window, handles focus setting and returns true
- * if so, or false otherwise.
- *
- */
-static bool button_press_stackwin(xcb_connection_t *conn, xcb_button_press_event_t *event) {
- struct Stack_Window *stack_win;
- SLIST_FOREACH(stack_win, &stack_wins, stack_windows) {
- if (stack_win->window != event->event)
- continue;
-
- /* A stack window was clicked, we check if it was button4 or button5
- which are scroll up / scroll down. */
- if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
- direction_t direction = (event->detail == XCB_BUTTON_INDEX_4 ? D_UP : D_DOWN);
- focus_window_in_container(conn, CUR_CELL, direction);
- return true;
- }
-
- /* It was no scrolling, so we calculate the destination client by
- dividing the Y position of the event through the height of a window
- decoration and then set the focus to this client. */
- i3Font *font = load_font(conn, config.font);
- int decoration_height = (font->height + 2 + 2);
- int destination = (event->event_y / decoration_height),
- c = 0,
- num_clients = 0;
- Client *client;
-
- CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
- num_clients++;
-
- if (stack_win->container->mode == MODE_TABBED)
- destination = (event->event_x / (stack_win->container->width / num_clients));
-
- LOG("Click on stack_win for client %d\n", destination);
- CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients)
- if (c++ == destination) {
- set_focus(conn, client, true);
- return true;
- }
-
- return true;
- }
-
- return false;
-}
-
-/*
- * Checks if the button press was on a bar, switches to the workspace and returns true
- * if so, or false otherwise.
- *
- */
-static bool button_press_bar(xcb_connection_t *conn, xcb_button_press_event_t *event) {
- i3Screen *screen;
- TAILQ_FOREACH(screen, virtual_screens, screens) {
- if (screen->bar != event->event)
- continue;
-
- LOG("Click on a bar\n");
-
- /* Check if the button was one of button4 or button5 (scroll up / scroll down) */
- if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) {
- int add = (event->detail == XCB_BUTTON_INDEX_4 ? -1 : 1);
- for (int i = c_ws->num + add; (i >= 0) && (i < 10); i += add)
- if (workspaces[i].screen == screen) {
- workspace_show(conn, i+1);
- return true;
- }
- return true;
- }
- int drawn = 0;
- /* Because workspaces can be on different screens, we need to loop
- through all of them and decide to count it based on its ->screen */
- for (int i = 0; i < 10; i++) {
- if (workspaces[i].screen != screen)
- continue;
- LOG("Checking if click was on workspace %d with drawn = %d, tw = %d\n",
- i, drawn, workspaces[i].text_width);
- if (event->event_x > (drawn + 1) &&
- event->event_x <= (drawn + 1 + workspaces[i].text_width + 5 + 5)) {
- workspace_show(conn, i+1);
- return true;
- }
-
- drawn += workspaces[i].text_width + 5 + 5 + 2;
- }
- return true;
- }
-
- return false;
-}
-
-int handle_button_press(void *ignored, xcb_connection_t *conn, xcb_button_press_event_t *event) {
- LOG("Button %d pressed\n", event->state);
- /* This was either a focus for a client’s parent (= titlebar)… */
- Client *client = table_get(&by_child, event->event);
- bool border_click = false;
- if (client == NULL) {
- client = table_get(&by_parent, event->event);
- border_click = true;
- }
- /* See if this was a click with the configured modifier. If so, we need
- * to move around the client if it was floating. if not, we just process
- * as usual. */
- if (config.floating_modifier != 0 &&
- (event->state & config.floating_modifier) != 0) {
- if (client == NULL) {
- LOG("Not handling, floating_modifier was pressed and no client found\n");
- return 1;
- }
- if (client_is_floating(client)) {
- LOG("button %d pressed\n", event->detail);
- if (event->detail == 1) {
- LOG("left mouse button, dragging\n");
- floating_drag_window(conn, client, event);
- } else if (event->detail == 3) {
- LOG("right mouse button\n");
- floating_resize_window(conn, client, event);
- }
- return 1;
- } else {
- /* The client is in tiling layout. We can still
- * initiate a resize with the right mouse button,
- * by chosing the border which is the most near one
- * to the position of the mouse pointer */
- if (event->detail == 3) {
- int to_right = client->rect.width - event->event_x,
- to_left = event->event_x,
- to_top = event->event_y,
- to_bottom = client->rect.height - event->event_y;
- resize_orientation_t orientation = O_VERTICAL;
- Container *con = client->container;
- int first = 0, second = 0;
-
- LOG("click was %d px to the right, %d px to the left, %d px to top, %d px to bottom\n",
- to_right, to_left, to_top, to_bottom);
-
- if (to_right < to_left &&
- to_right < to_top &&
- to_right < to_bottom) {
- /* …right border */
- first = con->col + (con->colspan - 1);
- LOG("column %d\n", first);
-
- if (!cell_exists(first, con->row) ||
- (first == (con->workspace->cols-1)))
- return 1;
-
- second = first + 1;
- } else if (to_left < to_right &&
- to_left < to_top &&
- to_left < to_bottom) {
- /* …left border */
- if (con->col == 0)
- return 1;
-
- first = con->col - 1;
- second = con->col;
- } else if (to_top < to_right &&
- to_top < to_left &&
- to_top < to_bottom) {
- /* This was a press on the top border */
- if (con->row == 0)
- return 1;
- first = con->row - 1;
- second = con->row;
- orientation = O_HORIZONTAL;
- } else if (to_bottom < to_right &&
- to_bottom < to_left &&
- to_bottom < to_top) {
- /* …bottom border */
- first = con->row + (con->rowspan - 1);
- if (!cell_exists(con->col, first) ||
- (first == (con->workspace->rows-1)))
- return 1;
-
- second = first + 1;
- orientation = O_HORIZONTAL;
- }
-
- return resize_graphical_handler(conn, con->workspace, first, second, orientation, event);
- }
- }
- }
-
- if (client == NULL) {
- /* The client was neither on a client’s titlebar nor on a client itself, maybe on a stack_window? */
- if (button_press_stackwin(conn, event))
- return 1;
-
- /* Or on a bar? */
- if (button_press_bar(conn, event))
- return 1;
-
- LOG("Could not handle this button press\n");
- return 1;
- }
-
- /* Set focus in any case */
- set_focus(conn, client, true);
-
- /* Let’s see if this was on the borders (= resize). If not, we’re done */
- LOG("press button on x=%d, y=%d\n", event->event_x, event->event_y);
- resize_orientation_t orientation = O_VERTICAL;
- Container *con = client->container;
- int first, second;
-
- if (client->dock) {
- LOG("dock. done.\n");
- xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
- xcb_flush(conn);
- return 1;
- }
-
- LOG("event->event_x = %d, client->rect.width = %d\n", event->event_x, client->rect.width);
-
- /* Some clients (xfontsel for example) seem to pass clicks on their
- * window to the parent window, thus we receive an event here which in
- * reality is a border_click. Check for the position and fix state. */
- if (border_click &&
- event->event_x >= client->child_rect.x &&
- event->event_x <= (client->child_rect.x + client->child_rect.width) &&
- event->event_y >= client->child_rect.y &&
- event->event_y <= (client->child_rect.y + client->child_rect.height)) {
- LOG("Fixing border_click = false because of click in child\n");
- border_click = false;
- }
-
- if (!border_click) {
- LOG("client. done.\n");
- xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
- /* Floating clients should be raised on click */
- if (client_is_floating(client))
- xcb_raise_window(conn, client->frame);
- xcb_flush(conn);
- return 1;
- }
-
- /* Don’t handle events inside the titlebar, only borders are interesting */
- i3Font *font = load_font(conn, config.font);
- if (event->event_y >= 2 && event->event_y <= (font->height + 2 + 2)) {
- LOG("click on titlebar\n");
-
- /* Floating clients can be dragged by grabbing their titlebar */
- if (client_is_floating(client)) {
- /* Firstly, we raise it. Maybe the user just wanted to raise it without grabbing */
- xcb_raise_window(conn, client->frame);
- xcb_flush(conn);
-
- floating_drag_window(conn, client, event);
- }
- return 1;
- }
-
- if (client_is_floating(client))
- return floating_border_click(conn, client, event);
-
- if (event->event_y < 2) {
- /* This was a press on the top border */
- if (con->row == 0)
- return 1;
- first = con->row - 1;
- second = con->row;
- orientation = O_HORIZONTAL;
- } else if (event->event_y >= (client->rect.height - 2)) {
- /* …bottom border */
- first = con->row + (con->rowspan - 1);
- if (!cell_exists(con->col, first) ||
- (first == (con->workspace->rows-1)))
- return 1;
-
- second = first + 1;
- orientation = O_HORIZONTAL;
- } else if (event->event_x <= 2) {
- /* …left border */
- if (con->col == 0)
- return 1;
-
- first = con->col - 1;
- second = con->col;
- } else if (event->event_x > 2) {
- /* …right border */
- first = con->col + (con->colspan - 1);
- LOG("column %d\n", first);
-
- if (!cell_exists(first, con->row) ||
- (first == (con->workspace->cols-1)))
- return 1;
-
- second = first + 1;
- }
-
- return resize_graphical_handler(conn, con->workspace, first, second, orientation, event);
-}
-
/*
* A new window appeared on the screen (=was mapped), so let’s manage it.
*
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