Implement workspace-change on mouse-wheel

diff --git a/i3bar/src/xcb.c b/i3bar/src/xcb.c
index b0766ba8758c7d402587091a590917649794ef6d..099275d61fe9a3c47a7e758f86d61b718f1fa9c3 100644 (file)
--- a/i3bar/src/xcb.c
+++ b/i3bar/src/xcb.c
@@ -2,10 +2,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <i3/ipc.h>
 
 #include "xcb.h"
 #include "outputs.h"
 #include "workspaces.h"
+#include "ipc.h"
 
 xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
 
@@ -19,11 +21,62 @@ uint32_t get_colorpixel(const char *s) {
        return (r << 16 | g << 8 | b);
 }
 
+void handle_button(xcb_button_press_event_t *event) {
+       i3_ws *cur_ws;
+       i3_output *walk;
+       xcb_window_t bar = event->event;
+       SLIST_FOREACH(walk, outputs, slist) {
+               if (walk->bar == bar) {
+                       break;
+               }
+       }
+
+       if (walk == NULL) {
+               printf("Unknown Bar klicked!\n");
+               return;
+       }
+
+       TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
+               if (cur_ws->visible) {
+                       break;
+               }
+       }
+
+       if (cur_ws == NULL) {
+               printf("No Workspace active?\n");
+               return;
+       }
+
+       switch (event->detail) {
+               case 4:
+                       if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head)) {
+                               cur_ws = TAILQ_FIRST(walk->workspaces);
+                       } else {
+                               cur_ws = TAILQ_NEXT(cur_ws, tailq);
+                       }
+                       break;
+               case 5:
+                       if (cur_ws == TAILQ_FIRST(walk->workspaces)) {
+                               cur_ws = TAILQ_LAST(walk->workspaces, ws_head);
+                       } else {
+                               cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
+                       }
+                       break;
+       }
+
+       char buffer[50];
+       snprintf(buffer, 50, "%d", cur_ws->num);
+       i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
+}
+
 void handle_xcb_event(xcb_generic_event_t *event) {
        switch (event->response_type & ~0x80) {
                case XCB_EXPOSE:
                        draw_buttons();
                        break;
+               case XCB_BUTTON_PRESS:
+                       handle_button((xcb_button_press_event_t*) event);
+                       break;
        }
 }
 
@@ -126,7 +179,8 @@ void create_windows() {
                walk->bar = xcb_generate_id(xcb_connection);
                mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
                values[0] = xcb_screens->black_pixel;
-               values[1] = XCB_EVENT_MASK_EXPOSURE;
+               values[1] = XCB_EVENT_MASK_EXPOSURE |
+                           XCB_EVENT_MASK_BUTTON_PRESS;
                xcb_create_window(xcb_connection,
                                  xcb_screens->root_depth,
                                  walk->bar,