X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=i3bar%2Fsrc%2Fxcb.c;h=7bfeb12e90dd7d8cd20e31e0a8e6accfba0fb745;hb=fe6b3b7474;hp=0b9f094bdbe2859026e65271741540abe80d37eb;hpb=cb3cdb602a08432d8b972d06bef832e056119ad9;p=i3%2Fi3 diff --git a/i3bar/src/xcb.c b/i3bar/src/xcb.c index 0b9f094b..7bfeb12e 100644 --- a/i3bar/src/xcb.c +++ b/i3bar/src/xcb.c @@ -7,16 +7,14 @@ * xcb.c: Communicating with X * */ +#include "common.h" + #include #include #include #include #include -#ifdef XCB_COMPAT -#include "xcb_compat.h" -#endif - #include #include #include @@ -36,7 +34,6 @@ #include #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 @@ -82,11 +79,10 @@ int bar_height; /* 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; @@ -184,7 +180,7 @@ static void draw_separator(i3_output *output, uint32_t x, struct status_block *b 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), @@ -253,7 +249,7 @@ void draw_statusline(i3_output *output, uint32_t clip_left, bool use_focus_color 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 @@ -304,13 +300,13 @@ void draw_statusline(i3_output *output, uint32_t clip_left, bool use_focus_color } /* 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, @@ -443,9 +439,21 @@ void init_colors(const struct xcb_color_strings_t *new_colors) { 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 occured on a workspace button or if the scroll- + * We determine, whether the click occurred on a workspace button or if the scroll- * wheel was used and change the workspace appropriately * */ @@ -464,10 +472,16 @@ void handle_button(xcb_button_press_event_t *event) { 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; @@ -509,7 +523,8 @@ void handle_button(xcb_button_press_event_t *event) { 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); + send_block_clicked(event->detail, block->name, block->instance, + event->root_x, event->root_y, statusline_x - last_block_x, event->event_y, block_x - last_block_x, bar_height); return; } @@ -520,12 +535,7 @@ void handle_button(xcb_button_press_event_t *event) { /* 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; } @@ -534,7 +544,8 @@ void handle_button(xcb_button_press_event_t *event) { 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 @@ -544,7 +555,8 @@ void handle_button(xcb_button_press_event_t *event) { 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 @@ -604,7 +616,7 @@ void handle_button(xcb_button_press_event_t *event) { 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); } @@ -679,8 +691,17 @@ static void configure_trayclients(void) { * */ 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]; @@ -689,15 +710,17 @@ static void handle_client_message(xcb_client_message_event_t *event) { if (op == SYSTEM_TRAY_REQUEST_DOCK) { xcb_window_t client = event->data.data32[2]; - /* Listen for PropertyNotify events to get the most recent value of - * the XEMBED_MAPPED atom, also listen for UnmapNotify events */ mask = XCB_CW_EVENT_MASK; - values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE | - XCB_EVENT_MASK_STRUCTURE_NOTIFY; - xcb_change_window_attributes(xcb_connection, - client, - mask, - values); + + /* Needed to get the most recent value of XEMBED_MAPPED. */ + values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE; + /* Needed for UnmapNotify events. */ + values[0] |= XCB_EVENT_MASK_STRUCTURE_NOTIFY; + /* Needed because some tray applications (e.g., VLC) use + * override_redirect which causes no ConfigureRequest to be sent. */ + values[0] |= XCB_EVENT_MASK_RESIZE_REDIRECT; + + xcb_change_window_attributes(xcb_connection, client, mask, values); /* Request the _XEMBED_INFO property. The XEMBED specification * (which is referred by the tray specification) says this *has* to @@ -769,19 +792,9 @@ static void handle_client_message(xcb_client_message_event_t *event) { break; } - /* Check whether any "tray_output primary" was defined for this bar. */ - bool contains_primary = false; - TAILQ_FOREACH(tray_output, &(config.tray_outputs), tray_outputs) { - if (strcasecmp("primary", tray_output->output) == 0) { - contains_primary = true; - break; - } - } - - /* In case of tray_output == primary and there is no primary output - * configured, we fall back to the first available output. We do the - * same if no tray_output was specified. */ - if (output == NULL && (contains_primary || TAILQ_EMPTY(&(config.tray_outputs)))) { + /* If no tray_output has been specified, we fall back to the first + * available output. */ + if (output == NULL && TAILQ_EMPTY(&(config.tray_outputs))) { SLIST_FOREACH(walk, outputs, slist) { if (!walk->active) continue; @@ -790,6 +803,7 @@ static void handle_client_message(xcb_client_message_event_t *event) { break; } } + if (output == NULL) { ELOG("No output found\n"); return; @@ -824,7 +838,7 @@ static void handle_client_message(xcb_client_message_event_t *event) { ev->type = atoms[_XEMBED]; ev->format = 32; ev->data.data32[0] = XCB_CURRENT_TIME; - ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY]; + ev->data.data32[1] = XEMBED_EMBEDDED_NOTIFY; ev->data.data32[2] = output->bar.id; ev->data.data32[3] = xe_version; xcb_send_event(xcb_connection, @@ -867,7 +881,7 @@ static void handle_client_message(xcb_client_message_event_t *event) { * 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) { @@ -880,11 +894,13 @@ 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(); @@ -1017,13 +1033,11 @@ static void handle_property_notify(xcb_property_notify_event_t *event) { } /* - * Handle ConfigureRequests by denying them and sending the client a - * ConfigureNotify with its actual size. + * If a tray client attempts to change its size we deny the request and respond + * by telling it its actual size. * */ -static void handle_configure_request(xcb_configure_request_event_t *event) { - DLOG("ConfigureRequest for window = %08x\n", event->window); - +static void handle_configuration_change(xcb_window_t window) { trayclient *trayclient; i3_output *output; SLIST_FOREACH(output, outputs, slist) { @@ -1036,7 +1050,7 @@ static void handle_configure_request(xcb_configure_request_event_t *event) { continue; clients++; - if (trayclient->win != event->window) + if (trayclient->win != window) continue; xcb_rectangle_t rect; @@ -1046,7 +1060,7 @@ static void handle_configure_request(xcb_configure_request_event_t *event) { rect.height = icon_size; DLOG("This is a tray window. x = %d\n", rect.x); - fake_configure_notify(xcb_connection, rect, event->window, 0); + fake_configure_notify(xcb_connection, rect, window, 0); return; } } @@ -1054,22 +1068,22 @@ static void handle_configure_request(xcb_configure_request_event_t *event) { DLOG("WARNING: Could not find corresponding tray window.\n"); } -/* - * This function is called immediately before the main loop locks. We flush xcb - * then (and only then) - * - */ -void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) { - xcb_flush(xcb_connection); +static void handle_configure_request(xcb_configure_request_event_t *event) { + DLOG("ConfigureRequest for window = %08x\n", event->window); + handle_configuration_change(event->window); +} + +static void handle_resize_request(xcb_resize_request_event_t *event) { + DLOG("ResizeRequest for window = %08x\n", event->window); + handle_configuration_change(event->window); } /* - * 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. + * 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_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) { +void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) { xcb_generic_event_t *event; if (xcb_connection_has_error(xcb_connection)) { @@ -1094,49 +1108,15 @@ void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) { 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) { - 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); - activated_mode = false; - unhide_bars(); - } - mod_pressed = modstate; + const uint32_t mod = (config.modifier & 0xFFFF); + mod_pressed = (mod != 0 && (state->mods & mod) == mod); + 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(); } -#undef DLOGMOD } free(event); @@ -1149,9 +1129,13 @@ void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) { 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); @@ -1180,9 +1164,15 @@ void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) { /* 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); + break; } free(event); } + + xcb_flush(xcb_connection); } /* @@ -1240,15 +1230,12 @@ char *init_xcb_early() { /* 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(); @@ -1484,16 +1471,7 @@ void init_tray_colors(void) { * */ 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(); @@ -1502,11 +1480,9 @@ void clean_xcb(void) { 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); } @@ -1557,6 +1533,7 @@ void kick_tray_clients(i3_output *output) { /* 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. @@ -1673,7 +1650,8 @@ void reconfig_windows(bool redraw_bars) { * */ 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. */ @@ -1770,16 +1748,35 @@ void reconfig_windows(bool redraw_bars) { } /* Unless "tray_output none" was specified, we need to initialize the tray. */ - const char *first = (TAILQ_EMPTY(&(config.tray_outputs))) ? SLIST_FIRST(outputs)->name : TAILQ_FIRST(&(config.tray_outputs))->output; - if (!tray_configured && strcasecmp(first, "none") != 0) { - /* We do a sanity check here to ensure that this i3bar instance actually handles - * the output on which the tray should appear. For example, - * consider tray_output == [VGA-1], but output == [HDMI-1]. */ + bool no_tray = false; + if (!(TAILQ_EMPTY(&(config.tray_outputs)))) { + no_tray = strcasecmp(TAILQ_FIRST(&(config.tray_outputs))->output, "none") == 0; + } + /* + * There are three scenarios in which we need to initialize the tray: + * 1. A specific output was listed in tray_outputs which is also + * in the list of outputs managed by this bar. + * 2. No tray_output directive was specified. In this case, we + * use the first available output. + * 3. 'tray_output primary' was specified. In this case we use the + * primary output. + * + * Three scenarios in which we specifically don't want to + * initialize the tray are: + * 1. 'tray_output none' was specified. + * 2. A specific output was listed as a tray_output, but is not + * one of the outputs managed by this bar. For example, consider + * tray_outputs == [VGA-1], but outputs == [HDMI-1]. + * 3. 'tray_output primary' was specified and no output in the list + * is primary. + */ + if (!tray_configured && !no_tray) { /* If no tray_output was specified, we go ahead and initialize the tray as * we will be using the first available output. */ - if (TAILQ_EMPTY(&(config.tray_outputs))) + if (TAILQ_EMPTY(&(config.tray_outputs))) { init_tray(); + } /* If one or more tray_output assignments were specified, we ensure that at least one of * them is actually an output managed by this instance. */ @@ -1923,8 +1920,7 @@ void draw_bars(bool unhide) { 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; @@ -1954,14 +1950,14 @@ void draw_bars(bool unhide) { } /* 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), @@ -1984,13 +1980,13 @@ void draw_bars(bool unhide) { 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), @@ -2026,7 +2022,7 @@ void draw_bars(bool unhide) { int x_dest = outputs_walk->rect.w - tray_width - logical_px(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; @@ -2057,7 +2053,7 @@ void redraw_bars(void) { 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); }