* xcb.c: Communicating with X
*
*/
+#include "common.h"
+
#include <xcb/xcb.h>
#include <xcb/xkb.h>
#include <xcb/xproto.h>
#include <sanitizer/lsan_interface.h>
#endif
-#include "common.h"
#include "libi3.h"
/** This is the equivalent of XC_left_ptr. I’m not sure why xcb doesn’t have a
/* These are only relevant for XKB, which we only need for grabbing modifiers */
int xkb_base;
-int mod_pressed = 0;
+bool mod_pressed = 0;
/* Event watchers, to interact with the user */
ev_prepare *xcb_prep;
-ev_check *xcb_chk;
ev_io *xcb_io;
ev_io *xkb_io;
uint32_t center_x = x - sep_offset;
if (config.separator_symbol == NULL) {
/* Draw a classic one pixel, vertical separator. */
- draw_util_rectangle(xcb_connection, &output->statusline_buffer, sep_fg,
+ draw_util_rectangle(&output->statusline_buffer, sep_fg,
center_x,
logical_px(sep_voff_px),
logical_px(1),
struct status_block *block;
color_t bar_color = (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg);
- draw_util_clear_surface(xcb_connection, &output->statusline_buffer, bar_color);
+ draw_util_clear_surface(&output->statusline_buffer, bar_color);
/* Use unsigned integer wraparound to clip off the left side.
* For example, if clip_left is 75, then x will start at the very large
}
/* Draw the border. */
- draw_util_rectangle(xcb_connection, &output->statusline_buffer, border_color,
+ draw_util_rectangle(&output->statusline_buffer, border_color,
x, logical_px(1),
full_render_width,
bar_height - logical_px(2));
/* Draw the background. */
- draw_util_rectangle(xcb_connection, &output->statusline_buffer, bg_color,
+ draw_util_rectangle(&output->statusline_buffer, bg_color,
x + border_width,
logical_px(1) + border_width,
full_render_width - 2 * border_width,
xcb_flush(xcb_connection);
}
+static bool execute_custom_command(xcb_keycode_t input_code, bool event_is_release) {
+ binding_t *binding;
+ TAILQ_FOREACH(binding, &(config.bindings), bindings) {
+ if ((binding->input_code != input_code) || (binding->release != event_is_release))
+ continue;
+
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_RUN_COMMAND, binding->command);
+ return true;
+ }
+ return false;
+}
+
/*
* Handle a button press event (i.e. a mouse click on one of our bars).
* We determine, whether the click occurred on a workspace button or if the scroll-
return;
}
- int32_t x = event->event_x >= 0 ? event->event_x : 0;
-
DLOG("Got button %d\n", event->detail);
+ /* During button release events, only check for custom commands. */
+ const bool event_is_release = (event->response_type & ~0x80) == XCB_BUTTON_RELEASE;
+ if (event_is_release) {
+ execute_custom_command(event->detail, event_is_release);
+ return;
+ }
+
+ int32_t x = event->event_x >= 0 ? event->event_x : 0;
int workspace_width = 0;
i3_ws *cur_ws = NULL, *clicked_ws = NULL, *ws_walk;
/* If the child asked for click events,
* check if a status block has been clicked. */
int tray_width = get_tray_width(walk->trayclients);
- int block_x = 0, last_block_x;
- int offset = walk->rect.w - walk->statusline_width - tray_width - logical_px(sb_hoff_px);
+ int last_block_x = 0;
+ int offset = walk->rect.w - walk->statusline_width - tray_width - logical_px((tray_width > 0) * sb_hoff_px);
int32_t statusline_x = x - offset;
if (statusline_x >= 0 && statusline_x < walk->statusline_width) {
struct status_block *block;
- int sep_offset_remainder = 0;
TAILQ_FOREACH(block, &statusline_head, blocks) {
i3String *text = block->full_text;
if (i3string_get_num_bytes(text) == 0)
continue;
- last_block_x = block_x;
- block_x += render->width + render->x_offset + render->x_append + get_sep_offset(block) + sep_offset_remainder;
-
- if (statusline_x <= block_x && statusline_x >= last_block_x) {
- send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
+ const int relative_x = statusline_x - last_block_x;
+ if (relative_x >= 0 && (uint32_t)relative_x <= render->width) {
+ send_block_clicked(event->detail, block->name, block->instance,
+ event->root_x, event->root_y, relative_x, event->event_y, render->width, bar_height);
return;
}
- sep_offset_remainder = block->sep_block_width - get_sep_offset(block);
+ last_block_x += render->width + render->x_append + render->x_offset + block->sep_block_width;
}
}
}
/* If a custom command was specified for this mouse button, it overrides
* the default behavior. */
- binding_t *binding;
- TAILQ_FOREACH(binding, &(config.bindings), bindings) {
- if (binding->input_code != event->detail)
- continue;
-
- i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, binding->command);
+ if (execute_custom_command(event->detail, event_is_release)) {
return;
}
return;
}
switch (event->detail) {
- case 4:
+ case XCB_BUTTON_SCROLL_UP:
+ case XCB_BUTTON_SCROLL_LEFT:
/* Mouse wheel up. We select the previous ws, if any.
* If there is no more workspace, don’t even send the workspace
* command, otherwise (with workspace auto_back_and_forth) we’d end
cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
break;
- case 5:
+ case XCB_BUTTON_SCROLL_DOWN:
+ case XCB_BUTTON_SCROLL_RIGHT:
/* Mouse wheel down. We select the next ws, if any.
* If there is no more workspace, don’t even send the workspace
* command, otherwise (with workspace auto_back_and_forth) we’d end
const size_t len = namelen + strlen("workspace \"\"") + 1;
char *buffer = scalloc(len + num_quotes, 1);
- strncpy(buffer, "workspace \"", strlen("workspace \""));
+ memcpy(buffer, "workspace \"", strlen("workspace \""));
size_t inpos, outpos;
for (inpos = 0, outpos = strlen("workspace \"");
inpos < namelen;
buffer[outpos] = utf8_name[inpos];
}
buffer[outpos] = '"';
- i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_RUN_COMMAND, buffer);
free(buffer);
}
*
*/
static void handle_client_message(xcb_client_message_event_t *event) {
- if (event->type == atoms[_NET_SYSTEM_TRAY_OPCODE] &&
- event->format == 32) {
+ if (event->type == atoms[I3_SYNC]) {
+ xcb_window_t window = event->data.data32[0];
+ uint32_t rnd = event->data.data32[1];
+ /* Forward the request to i3 via the IPC interface so that all pending
+ * IPC messages are guaranteed to be handled. */
+ char *payload = NULL;
+ sasprintf(&payload, "{\"rnd\":%d, \"window\":%d}", rnd, window);
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_SYNC, payload);
+ free(payload);
+ } else if (event->type == atoms[_NET_SYSTEM_TRAY_OPCODE] &&
+ event->format == 32) {
DLOG("_NET_SYSTEM_TRAY_OPCODE received\n");
/* event->data.data32[0] is the timestamp */
uint32_t op = event->data.data32[1];
* client to finish the protocol. After this event is received, there is no
* further interaction with the tray client.
*
- * See: http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
+ * See: https://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
*
*/
static void handle_destroy_notify(xcb_destroy_notify_event_t *event) {
DLOG("checking output %s\n", walk->name);
trayclient *trayclient;
TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
- if (trayclient->win != event->window)
+ if (trayclient->win != event->window) {
continue;
+ }
DLOG("Removing tray client with window ID %08x\n", event->window);
TAILQ_REMOVE(walk->trayclients, trayclient, tailq);
+ FREE(trayclient);
/* Trigger an update, we now have more space for the statusline */
configure_trayclients();
}
/*
- * This function is called immediately before the main loop locks. We flush xcb
- * then (and only then)
+ * This function is called immediately before the main loop locks. We check for
+ * events from X11, handle them, then flush our outgoing queue.
*
*/
void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
- xcb_flush(xcb_connection);
-}
-
-/*
- * This function is called immediately after the main loop locks, so when one
- * of the watchers registered an event.
- * We check whether an X-Event arrived and handle it.
- *
- */
-void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
xcb_generic_event_t *event;
if (xcb_connection_has_error(xcb_connection)) {
DLOG("received an xkb event\n");
xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
- if (state->xkbType == XCB_XKB_STATE_NOTIFY && config.modifier != XCB_NONE) {
- int modstate = state->mods & config.modifier;
-
-#define DLOGMOD(modmask, status) \
- do { \
- switch (modmask) { \
- case ShiftMask: \
- DLOG("ShiftMask got " #status "!\n"); \
- break; \
- case ControlMask: \
- DLOG("ControlMask got " #status "!\n"); \
- break; \
- case Mod1Mask: \
- DLOG("Mod1Mask got " #status "!\n"); \
- break; \
- case Mod2Mask: \
- DLOG("Mod2Mask got " #status "!\n"); \
- break; \
- case Mod3Mask: \
- DLOG("Mod3Mask got " #status "!\n"); \
- break; \
- case Mod4Mask: \
- DLOG("Mod4Mask got " #status "!\n"); \
- break; \
- case Mod5Mask: \
- DLOG("Mod5Mask got " #status "!\n"); \
- break; \
- } \
- } while (0)
-
- if (modstate != mod_pressed) {
- if (modstate == 0) {
- DLOGMOD(config.modifier, released);
- if (!activated_mode)
- hide_bars();
- } else {
- DLOGMOD(config.modifier, pressed);
+ const uint32_t mod = (config.modifier & 0xFFFF);
+ const bool new_mod_pressed = (mod != 0 && (state->mods & mod) == mod);
+ if (new_mod_pressed != mod_pressed) {
+ mod_pressed = new_mod_pressed;
+ if (state->xkbType == XCB_XKB_STATE_NOTIFY && config.modifier != XCB_NONE) {
+ if (mod_pressed) {
activated_mode = false;
unhide_bars();
+ } else if (!activated_mode) {
+ hide_bars();
}
- mod_pressed = modstate;
}
-#undef DLOGMOD
}
free(event);
handle_visibility_notify((xcb_visibility_notify_event_t *)event);
break;
case XCB_EXPOSE:
- /* Expose-events happen, when the window needs to be redrawn */
- redraw_bars();
+ if (((xcb_expose_event_t *)event)->count == 0) {
+ /* Expose-events happen, when the window needs to be redrawn */
+ redraw_bars();
+ }
+
break;
+ case XCB_BUTTON_RELEASE:
case XCB_BUTTON_PRESS:
/* Button press events are mouse buttons clicked on one of our bars */
handle_button((xcb_button_press_event_t *)event);
case XCB_CONFIGURE_REQUEST:
/* ConfigureRequest, sent by a tray child */
handle_configure_request((xcb_configure_request_event_t *)event);
+ break;
case XCB_RESIZE_REQUEST:
/* ResizeRequest sent by a tray child using override_redirect. */
handle_resize_request((xcb_resize_request_event_t *)event);
}
free(event);
}
+
+ xcb_flush(xcb_connection);
}
/*
/* The various watchers to communicate with xcb */
xcb_io = smalloc(sizeof(ev_io));
xcb_prep = smalloc(sizeof(ev_prepare));
- xcb_chk = smalloc(sizeof(ev_check));
ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
ev_prepare_init(xcb_prep, &xcb_prep_cb);
- ev_check_init(xcb_chk, &xcb_chk_cb);
ev_io_start(main_loop, xcb_io);
ev_prepare_start(main_loop, xcb_prep);
- ev_check_start(main_loop, xcb_chk);
/* Now we get the atoms and save them in a nice data structure */
get_atoms();
*
*/
void clean_xcb(void) {
- i3_output *o_walk;
- free_workspaces();
- SLIST_FOREACH(o_walk, outputs, slist) {
- destroy_window(o_walk);
- FREE(o_walk->trayclients);
- FREE(o_walk->workspaces);
- FREE(o_walk->name);
- }
- FREE_SLIST(outputs, i3_output);
- FREE(outputs);
+ free_outputs();
free_font();
xcb_aux_sync(xcb_connection);
xcb_disconnect(xcb_connection);
- ev_check_stop(main_loop, xcb_chk);
ev_prepare_stop(main_loop, xcb_prep);
ev_io_stop(main_loop, xcb_io);
- FREE(xcb_chk);
FREE(xcb_prep);
FREE(xcb_io);
}
/* We remove the trayclient right here. We might receive an UnmapNotify
* event afterwards, but better safe than sorry. */
TAILQ_REMOVE(output->trayclients, trayclient, tailq);
+ FREE(trayclient);
}
/* Fake a DestroyNotify so that Qt re-adds tray icons.
* */
values[3] = XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
- XCB_EVENT_MASK_BUTTON_PRESS;
+ XCB_EVENT_MASK_BUTTON_PRESS |
+ XCB_EVENT_MASK_BUTTON_RELEASE;
if (config.hide_on_modifier == M_DOCK) {
/* If the bar is normally visible, catch visibility change events to suspend
* the status process when the bar is obscured by full-screened windows. */
bool use_focus_colors = output_has_focus(outputs_walk);
/* First things first: clear the backbuffer */
- draw_util_clear_surface(xcb_connection, &(outputs_walk->buffer),
- (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg));
+ draw_util_clear_surface(&(outputs_walk->buffer), (use_focus_colors ? colors.focus_bar_bg : colors.bar_bg));
if (!config.disable_ws) {
i3_ws *ws_walk;
}
/* Draw the border of the button. */
- draw_util_rectangle(xcb_connection, &(outputs_walk->buffer), border_color,
+ draw_util_rectangle(&(outputs_walk->buffer), border_color,
workspace_width,
logical_px(1),
ws_walk->name_width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
/* Draw the inside of the button. */
- draw_util_rectangle(xcb_connection, &(outputs_walk->buffer), bg_color,
+ draw_util_rectangle(&(outputs_walk->buffer), bg_color,
workspace_width + logical_px(1),
2 * logical_px(1),
ws_walk->name_width + 2 * logical_px(ws_hoff_px),
color_t fg_color = colors.binding_mode_fg;
color_t bg_color = colors.binding_mode_bg;
- draw_util_rectangle(xcb_connection, &(outputs_walk->buffer), colors.binding_mode_border,
+ draw_util_rectangle(&(outputs_walk->buffer), colors.binding_mode_border,
workspace_width,
logical_px(1),
binding.width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
- draw_util_rectangle(xcb_connection, &(outputs_walk->buffer), bg_color,
+ draw_util_rectangle(&(outputs_walk->buffer), bg_color,
workspace_width + logical_px(1),
2 * logical_px(1),
binding.width + 2 * logical_px(ws_hoff_px),
DLOG("Printing statusline!\n");
int tray_width = get_tray_width(outputs_walk->trayclients);
- uint32_t max_statusline_width = outputs_walk->rect.w - workspace_width - tray_width - 2 * logical_px(sb_hoff_px);
+ uint32_t hoff = logical_px(((workspace_width > 0) + (tray_width > 0)) * sb_hoff_px);
+ uint32_t max_statusline_width = outputs_walk->rect.w - workspace_width - tray_width - hoff;
uint32_t clip_left = 0;
uint32_t statusline_width = full_statusline_width;
bool use_short_text = false;
}
int16_t visible_statusline_width = MIN(statusline_width, max_statusline_width);
- int x_dest = outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width;
+ int x_dest = outputs_walk->rect.w - tray_width - logical_px((tray_width > 0) * sb_hoff_px) - visible_statusline_width;
draw_statusline(outputs_walk, clip_left, use_focus_colors, use_short_text);
- draw_util_copy_surface(xcb_connection, &outputs_walk->statusline_buffer, &outputs_walk->buffer, 0, 0,
+ draw_util_copy_surface(&outputs_walk->statusline_buffer, &outputs_walk->buffer, 0, 0,
x_dest, 0, visible_statusline_width, (int16_t)bar_height);
outputs_walk->statusline_width = statusline_width;
continue;
}
- draw_util_copy_surface(xcb_connection, &(outputs_walk->buffer), &(outputs_walk->bar), 0, 0,
+ draw_util_copy_surface(&(outputs_walk->buffer), &(outputs_walk->bar), 0, 0,
0, 0, outputs_walk->rect.w, outputs_walk->rect.h);
xcb_flush(xcb_connection);
}
I3STRING_FREE(binding.name);
binding = *current;
activated_mode = binding.name != NULL;
- return;
}