From: Michael Stapelberg <michael@stapelberg.de>
Date: Sat, 18 Nov 2017 09:47:23 +0000 (+0100)
Subject: Rename xinerama.[ch] to randr.[ch]
X-Git-Tag: 2.10~1^2
X-Git-Url: https://git.sur5r.net/?p=i3%2Fi3lock;a=commitdiff_plain;h=a514472ec4259567d8fd7d39c8be84a74f689a88

Rename xinerama.[ch] to randr.[ch]
---

diff --git a/i3lock.c b/i3lock.c
index 702c6b3..a836240 100644
--- a/i3lock.c
+++ b/i3lock.c
@@ -42,7 +42,7 @@
 #include "xcb.h"
 #include "cursors.h"
 #include "unlock_indicator.h"
-#include "xinerama.h"
+#include "randr.h"
 
 #define TSTAMP_N_SECS(n) (n * 1.0)
 #define TSTAMP_N_MINS(n) (60 * TSTAMP_N_SECS(n))
diff --git a/randr.c b/randr.c
new file mode 100644
index 0000000..4b1ea97
--- /dev/null
+++ b/randr.c
@@ -0,0 +1,297 @@
+/*
+ * vim:ts=4:sw=4:expandtab
+ *
+ * © 2010 Michael Stapelberg
+ *
+ * See LICENSE for licensing information
+ *
+ */
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <xcb/xcb.h>
+#include <xcb/xinerama.h>
+#include <xcb/randr.h>
+
+#include "i3lock.h"
+#include "xcb.h"
+#include "randr.h"
+
+/* Number of Xinerama screens which are currently present. */
+int xr_screens = 0;
+
+/* The resolutions of the currently present Xinerama screens. */
+Rect *xr_resolutions = NULL;
+
+static bool xinerama_active;
+static bool has_randr = false;
+static bool has_randr_1_5 = false;
+extern bool debug_mode;
+
+void _xinerama_init(void);
+
+void randr_init(int *event_base, xcb_window_t root) {
+    const xcb_query_extension_reply_t *extreply;
+
+    extreply = xcb_get_extension_data(conn, &xcb_randr_id);
+    if (!extreply->present) {
+        DEBUG("RandR is not present, falling back to Xinerama.\n");
+        _xinerama_init();
+        return;
+    }
+
+    xcb_generic_error_t *err;
+    xcb_randr_query_version_reply_t *randr_version =
+        xcb_randr_query_version_reply(
+            conn, xcb_randr_query_version(conn, XCB_RANDR_MAJOR_VERSION, XCB_RANDR_MINOR_VERSION), &err);
+    if (err != NULL) {
+        DEBUG("Could not query RandR version: X11 error code %d\n", err->error_code);
+        _xinerama_init();
+        return;
+    }
+
+    has_randr = true;
+
+    has_randr_1_5 = (randr_version->major_version >= 1) &&
+                    (randr_version->minor_version >= 5);
+
+    free(randr_version);
+
+    if (event_base != NULL)
+        *event_base = extreply->first_event;
+
+    xcb_randr_select_input(conn, root,
+                           XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE |
+                               XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE |
+                               XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE |
+                               XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY);
+
+    xcb_flush(conn);
+}
+
+void _xinerama_init(void) {
+    if (!xcb_get_extension_data(conn, &xcb_xinerama_id)->present) {
+        DEBUG("Xinerama extension not found, disabling.\n");
+        return;
+    }
+
+    xcb_xinerama_is_active_cookie_t cookie;
+    xcb_xinerama_is_active_reply_t *reply;
+
+    cookie = xcb_xinerama_is_active(conn);
+    reply = xcb_xinerama_is_active_reply(conn, cookie, NULL);
+    if (!reply)
+        return;
+
+    if (!reply->state) {
+        free(reply);
+        return;
+    }
+
+    xinerama_active = true;
+    free(reply);
+}
+
+/*
+ * randr_query_outputs_15 uses RandR ≥ 1.5 to update outputs.
+ *
+ */
+static bool _randr_query_monitors_15(xcb_window_t root) {
+#if XCB_RANDR_MINOR_VERSION < 5
+    return false;
+#else
+    /* RandR 1.5 available at compile-time, i.e. libxcb is new enough */
+    if (!has_randr_1_5) {
+        return false;
+    }
+    /* RandR 1.5 available at run-time (supported by the server) */
+    DEBUG("Querying monitors using RandR 1.5\n");
+    xcb_generic_error_t *err;
+    xcb_randr_get_monitors_reply_t *monitors =
+        xcb_randr_get_monitors_reply(
+            conn, xcb_randr_get_monitors(conn, root, true), &err);
+    if (err != NULL) {
+        DEBUG("Could not get RandR monitors: X11 error code %d\n", err->error_code);
+        free(err);
+        /* Fall back to RandR ≤ 1.4 */
+        return false;
+    }
+
+    int screens = xcb_randr_get_monitors_monitors_length(monitors);
+    DEBUG("%d RandR monitors found (timestamp %d)\n",
+          screens, monitors->timestamp);
+
+    Rect *resolutions = malloc(screens * sizeof(Rect));
+    /* No memory? Just keep on using the old information. */
+    if (!resolutions) {
+        free(monitors);
+        return true;
+    }
+
+    xcb_randr_monitor_info_iterator_t iter;
+    int screen;
+    for (iter = xcb_randr_get_monitors_monitors_iterator(monitors), screen = 0;
+         iter.rem;
+         xcb_randr_monitor_info_next(&iter), screen++) {
+        const xcb_randr_monitor_info_t *monitor_info = iter.data;
+
+        resolutions[screen].x = monitor_info->x;
+        resolutions[screen].y = monitor_info->y;
+        resolutions[screen].width = monitor_info->width;
+        resolutions[screen].height = monitor_info->height;
+        DEBUG("found RandR monitor: %d x %d at %d x %d\n",
+              monitor_info->width, monitor_info->height,
+              monitor_info->x, monitor_info->y);
+    }
+    free(xr_resolutions);
+    xr_resolutions = resolutions;
+    xr_screens = screens;
+
+    free(monitors);
+    return true;
+#endif
+}
+
+/*
+ * randr_query_outputs_14 uses RandR ≤ 1.4 to update outputs.
+ *
+ */
+static bool _randr_query_outputs_14(xcb_window_t root) {
+    if (!has_randr) {
+        return false;
+    }
+    DEBUG("Querying outputs using RandR ≤ 1.4\n");
+
+    /* Get screen resources (primary output, crtcs, outputs, modes) */
+    xcb_randr_get_screen_resources_current_cookie_t rcookie;
+    rcookie = xcb_randr_get_screen_resources_current(conn, root);
+
+    xcb_randr_get_screen_resources_current_reply_t *res =
+        xcb_randr_get_screen_resources_current_reply(conn, rcookie, NULL);
+    if (res == NULL) {
+        DEBUG("Could not query screen resources.\n");
+        return false;
+    }
+
+    /* timestamp of the configuration so that we get consistent replies to all
+     * requests (if the configuration changes between our different calls) */
+    const xcb_timestamp_t cts = res->config_timestamp;
+
+    const int len = xcb_randr_get_screen_resources_current_outputs_length(res);
+
+    /* an output is VGA-1, LVDS-1, etc. (usually physical video outputs) */
+    xcb_randr_output_t *randr_outputs = xcb_randr_get_screen_resources_current_outputs(res);
+
+    /* Request information for each output */
+    xcb_randr_get_output_info_cookie_t ocookie[len];
+    for (int i = 0; i < len; i++) {
+        ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts);
+    }
+    Rect *resolutions = malloc(len * sizeof(Rect));
+    /* No memory? Just keep on using the old information. */
+    if (!resolutions) {
+        free(res);
+        return true;
+    }
+
+    /* Loop through all outputs available for this X11 screen */
+    int screen = 0;
+
+    for (int i = 0; i < len; i++) {
+        xcb_randr_get_output_info_reply_t *output;
+
+        if ((output = xcb_randr_get_output_info_reply(conn, ocookie[i], NULL)) == NULL) {
+            continue;
+        }
+
+        if (output->crtc == XCB_NONE) {
+            free(output);
+            continue;
+        }
+
+        xcb_randr_get_crtc_info_cookie_t icookie;
+        xcb_randr_get_crtc_info_reply_t *crtc;
+        icookie = xcb_randr_get_crtc_info(conn, output->crtc, cts);
+        if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL) {
+            DEBUG("Skipping output: could not get CRTC (0x%08x)\n", output->crtc);
+            free(output);
+            continue;
+        }
+
+        resolutions[screen].x = crtc->x;
+        resolutions[screen].y = crtc->y;
+        resolutions[screen].width = crtc->width;
+        resolutions[screen].height = crtc->height;
+
+        DEBUG("found RandR output: %d x %d at %d x %d\n",
+              crtc->width, crtc->height,
+              crtc->x, crtc->y);
+
+        screen++;
+
+        free(crtc);
+
+        free(output);
+    }
+    free(xr_resolutions);
+    xr_resolutions = resolutions;
+    xr_screens = screen;
+    free(res);
+    return true;
+}
+
+void _xinerama_query_screens(void) {
+    if (!xinerama_active) {
+        return;
+    }
+
+    xcb_xinerama_query_screens_cookie_t cookie;
+    xcb_xinerama_query_screens_reply_t *reply;
+    xcb_xinerama_screen_info_t *screen_info;
+    xcb_generic_error_t *err;
+    cookie = xcb_xinerama_query_screens_unchecked(conn);
+    reply = xcb_xinerama_query_screens_reply(conn, cookie, &err);
+    if (!reply) {
+        DEBUG("Couldn't get Xinerama screens: X11 error code %d\n", err->error_code);
+        free(err);
+        return;
+    }
+    screen_info = xcb_xinerama_query_screens_screen_info(reply);
+    int screens = xcb_xinerama_query_screens_screen_info_length(reply);
+
+    Rect *resolutions = malloc(screens * sizeof(Rect));
+    /* No memory? Just keep on using the old information. */
+    if (!resolutions) {
+        free(reply);
+        return;
+    }
+
+    for (int screen = 0; screen < xr_screens; screen++) {
+        resolutions[screen].x = screen_info[screen].x_org;
+        resolutions[screen].y = screen_info[screen].y_org;
+        resolutions[screen].width = screen_info[screen].width;
+        resolutions[screen].height = screen_info[screen].height;
+        DEBUG("found Xinerama screen: %d x %d at %d x %d\n",
+              screen_info[screen].width, screen_info[screen].height,
+              screen_info[screen].x_org, screen_info[screen].y_org);
+    }
+
+    free(xr_resolutions);
+    xr_resolutions = resolutions;
+    xr_screens = screens;
+
+    free(reply);
+}
+
+void randr_query(xcb_window_t root) {
+    if (_randr_query_monitors_15(root)) {
+        return;
+    }
+
+    if (_randr_query_outputs_14(root)) {
+        return;
+    }
+
+    _xinerama_query_screens();
+}
diff --git a/randr.h b/randr.h
new file mode 100644
index 0000000..510a7cb
--- /dev/null
+++ b/randr.h
@@ -0,0 +1,17 @@
+#ifndef _XINERAMA_H
+#define _XINERAMA_H
+
+typedef struct Rect {
+    int16_t x;
+    int16_t y;
+    uint16_t width;
+    uint16_t height;
+} Rect;
+
+extern int xr_screens;
+extern Rect *xr_resolutions;
+
+void randr_init(int *event_base, xcb_window_t root);
+void randr_query(xcb_window_t root);
+
+#endif
diff --git a/unlock_indicator.c b/unlock_indicator.c
index 4c7d0e9..c6793d8 100644
--- a/unlock_indicator.c
+++ b/unlock_indicator.c
@@ -19,7 +19,7 @@
 #include "i3lock.h"
 #include "xcb.h"
 #include "unlock_indicator.h"
-#include "xinerama.h"
+#include "randr.h"
 
 #define BUTTON_RADIUS 90
 #define BUTTON_SPACE (BUTTON_RADIUS + 5)
diff --git a/xinerama.c b/xinerama.c
deleted file mode 100644
index 1aceac8..0000000
--- a/xinerama.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
- * vim:ts=4:sw=4:expandtab
- *
- * © 2010 Michael Stapelberg
- *
- * See LICENSE for licensing information
- *
- */
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <xcb/xcb.h>
-#include <xcb/xinerama.h>
-#include <xcb/randr.h>
-
-#include "i3lock.h"
-#include "xcb.h"
-#include "xinerama.h"
-
-/* Number of Xinerama screens which are currently present. */
-int xr_screens = 0;
-
-/* The resolutions of the currently present Xinerama screens. */
-Rect *xr_resolutions = NULL;
-
-static bool xinerama_active;
-static bool has_randr = false;
-static bool has_randr_1_5 = false;
-extern bool debug_mode;
-
-void _xinerama_init(void);
-
-void randr_init(int *event_base, xcb_window_t root) {
-    const xcb_query_extension_reply_t *extreply;
-
-    extreply = xcb_get_extension_data(conn, &xcb_randr_id);
-    if (!extreply->present) {
-        DEBUG("RandR is not present, falling back to Xinerama.\n");
-        _xinerama_init();
-        return;
-    }
-
-    xcb_generic_error_t *err;
-    xcb_randr_query_version_reply_t *randr_version =
-        xcb_randr_query_version_reply(
-            conn, xcb_randr_query_version(conn, XCB_RANDR_MAJOR_VERSION, XCB_RANDR_MINOR_VERSION), &err);
-    if (err != NULL) {
-        DEBUG("Could not query RandR version: X11 error code %d\n", err->error_code);
-        _xinerama_init();
-        return;
-    }
-
-    has_randr = true;
-
-    has_randr_1_5 = (randr_version->major_version >= 1) &&
-                    (randr_version->minor_version >= 5);
-
-    free(randr_version);
-
-    if (event_base != NULL)
-        *event_base = extreply->first_event;
-
-    xcb_randr_select_input(conn, root,
-                           XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE |
-                               XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE |
-                               XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE |
-                               XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY);
-
-    xcb_flush(conn);
-}
-
-void _xinerama_init(void) {
-    if (!xcb_get_extension_data(conn, &xcb_xinerama_id)->present) {
-        DEBUG("Xinerama extension not found, disabling.\n");
-        return;
-    }
-
-    xcb_xinerama_is_active_cookie_t cookie;
-    xcb_xinerama_is_active_reply_t *reply;
-
-    cookie = xcb_xinerama_is_active(conn);
-    reply = xcb_xinerama_is_active_reply(conn, cookie, NULL);
-    if (!reply)
-        return;
-
-    if (!reply->state) {
-        free(reply);
-        return;
-    }
-
-    xinerama_active = true;
-    free(reply);
-}
-
-/*
- * randr_query_outputs_15 uses RandR ≥ 1.5 to update outputs.
- *
- */
-static bool _randr_query_monitors_15(xcb_window_t root) {
-#if XCB_RANDR_MINOR_VERSION < 5
-    return false;
-#else
-    /* RandR 1.5 available at compile-time, i.e. libxcb is new enough */
-    if (!has_randr_1_5) {
-        return false;
-    }
-    /* RandR 1.5 available at run-time (supported by the server) */
-    DEBUG("Querying monitors using RandR 1.5\n");
-    xcb_generic_error_t *err;
-    xcb_randr_get_monitors_reply_t *monitors =
-        xcb_randr_get_monitors_reply(
-            conn, xcb_randr_get_monitors(conn, root, true), &err);
-    if (err != NULL) {
-        DEBUG("Could not get RandR monitors: X11 error code %d\n", err->error_code);
-        free(err);
-        /* Fall back to RandR ≤ 1.4 */
-        return false;
-    }
-
-    int screens = xcb_randr_get_monitors_monitors_length(monitors);
-    DEBUG("%d RandR monitors found (timestamp %d)\n",
-          screens, monitors->timestamp);
-
-    Rect *resolutions = malloc(screens * sizeof(Rect));
-    /* No memory? Just keep on using the old information. */
-    if (!resolutions) {
-        free(monitors);
-        return true;
-    }
-
-    xcb_randr_monitor_info_iterator_t iter;
-    int screen;
-    for (iter = xcb_randr_get_monitors_monitors_iterator(monitors), screen = 0;
-         iter.rem;
-         xcb_randr_monitor_info_next(&iter), screen++) {
-        const xcb_randr_monitor_info_t *monitor_info = iter.data;
-
-        resolutions[screen].x = monitor_info->x;
-        resolutions[screen].y = monitor_info->y;
-        resolutions[screen].width = monitor_info->width;
-        resolutions[screen].height = monitor_info->height;
-        DEBUG("found RandR monitor: %d x %d at %d x %d\n",
-              monitor_info->width, monitor_info->height,
-              monitor_info->x, monitor_info->y);
-    }
-    free(xr_resolutions);
-    xr_resolutions = resolutions;
-    xr_screens = screens;
-
-    free(monitors);
-    return true;
-#endif
-}
-
-/*
- * randr_query_outputs_14 uses RandR ≤ 1.4 to update outputs.
- *
- */
-static bool _randr_query_outputs_14(xcb_window_t root) {
-    if (!has_randr) {
-        return false;
-    }
-    DEBUG("Querying outputs using RandR ≤ 1.4\n");
-
-    /* Get screen resources (primary output, crtcs, outputs, modes) */
-    xcb_randr_get_screen_resources_current_cookie_t rcookie;
-    rcookie = xcb_randr_get_screen_resources_current(conn, root);
-
-    xcb_randr_get_screen_resources_current_reply_t *res =
-        xcb_randr_get_screen_resources_current_reply(conn, rcookie, NULL);
-    if (res == NULL) {
-        DEBUG("Could not query screen resources.\n");
-        return false;
-    }
-
-    /* timestamp of the configuration so that we get consistent replies to all
-     * requests (if the configuration changes between our different calls) */
-    const xcb_timestamp_t cts = res->config_timestamp;
-
-    const int len = xcb_randr_get_screen_resources_current_outputs_length(res);
-
-    /* an output is VGA-1, LVDS-1, etc. (usually physical video outputs) */
-    xcb_randr_output_t *randr_outputs = xcb_randr_get_screen_resources_current_outputs(res);
-
-    /* Request information for each output */
-    xcb_randr_get_output_info_cookie_t ocookie[len];
-    for (int i = 0; i < len; i++) {
-        ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts);
-    }
-    Rect *resolutions = malloc(len * sizeof(Rect));
-    /* No memory? Just keep on using the old information. */
-    if (!resolutions) {
-        free(res);
-        return true;
-    }
-
-    /* Loop through all outputs available for this X11 screen */
-    int screen = 0;
-
-    for (int i = 0; i < len; i++) {
-        xcb_randr_get_output_info_reply_t *output;
-
-        if ((output = xcb_randr_get_output_info_reply(conn, ocookie[i], NULL)) == NULL) {
-            continue;
-        }
-
-        if (output->crtc == XCB_NONE) {
-            free(output);
-            continue;
-        }
-
-        xcb_randr_get_crtc_info_cookie_t icookie;
-        xcb_randr_get_crtc_info_reply_t *crtc;
-        icookie = xcb_randr_get_crtc_info(conn, output->crtc, cts);
-        if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL) {
-            DEBUG("Skipping output: could not get CRTC (0x%08x)\n", output->crtc);
-            free(output);
-            continue;
-        }
-
-        resolutions[screen].x = crtc->x;
-        resolutions[screen].y = crtc->y;
-        resolutions[screen].width = crtc->width;
-        resolutions[screen].height = crtc->height;
-
-        DEBUG("found RandR output: %d x %d at %d x %d\n",
-              crtc->width, crtc->height,
-              crtc->x, crtc->y);
-
-        screen++;
-
-        free(crtc);
-
-        free(output);
-    }
-    free(xr_resolutions);
-    xr_resolutions = resolutions;
-    xr_screens = screen;
-    free(res);
-    return true;
-}
-
-void _xinerama_query_screens(void) {
-    if (!xinerama_active) {
-        return;
-    }
-
-    xcb_xinerama_query_screens_cookie_t cookie;
-    xcb_xinerama_query_screens_reply_t *reply;
-    xcb_xinerama_screen_info_t *screen_info;
-    xcb_generic_error_t *err;
-    cookie = xcb_xinerama_query_screens_unchecked(conn);
-    reply = xcb_xinerama_query_screens_reply(conn, cookie, &err);
-    if (!reply) {
-        DEBUG("Couldn't get Xinerama screens: X11 error code %d\n", err->error_code);
-        free(err);
-        return;
-    }
-    screen_info = xcb_xinerama_query_screens_screen_info(reply);
-    int screens = xcb_xinerama_query_screens_screen_info_length(reply);
-
-    Rect *resolutions = malloc(screens * sizeof(Rect));
-    /* No memory? Just keep on using the old information. */
-    if (!resolutions) {
-        free(reply);
-        return;
-    }
-
-    for (int screen = 0; screen < xr_screens; screen++) {
-        resolutions[screen].x = screen_info[screen].x_org;
-        resolutions[screen].y = screen_info[screen].y_org;
-        resolutions[screen].width = screen_info[screen].width;
-        resolutions[screen].height = screen_info[screen].height;
-        DEBUG("found Xinerama screen: %d x %d at %d x %d\n",
-              screen_info[screen].width, screen_info[screen].height,
-              screen_info[screen].x_org, screen_info[screen].y_org);
-    }
-
-    free(xr_resolutions);
-    xr_resolutions = resolutions;
-    xr_screens = screens;
-
-    free(reply);
-}
-
-void randr_query(xcb_window_t root) {
-    if (_randr_query_monitors_15(root)) {
-        return;
-    }
-
-    if (_randr_query_outputs_14(root)) {
-        return;
-    }
-
-    _xinerama_query_screens();
-}
diff --git a/xinerama.h b/xinerama.h
deleted file mode 100644
index 510a7cb..0000000
--- a/xinerama.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _XINERAMA_H
-#define _XINERAMA_H
-
-typedef struct Rect {
-    int16_t x;
-    int16_t y;
-    uint16_t width;
-    uint16_t height;
-} Rect;
-
-extern int xr_screens;
-extern Rect *xr_resolutions;
-
-void randr_init(int *event_base, xcb_window_t root);
-void randr_query(xcb_window_t root);
-
-#endif