Reorganize project structure

1 files changed, 0 insertions, 297 deletions

diff --git a/connection.c b/connection.c
deleted file mode 100644
index d3eedda..0000000
--- a/connection.c
+++ /dev/null
@@ -1,297 +0,0 @@
-#include <glib.h>
-#include <xcb/xcb.h>
-#include <xcb/xcb_aux.h>
-#include <xcb/xcb_ewmh.h>
-#include <xcb/xcb_xrm.h>
-#include <xcb/xcb_errors.h>
-#include <xcb/randr.h>
-
-#include "log.h"
-#include "connection.h"
-#include "state.h"
-
-static bool query_xrm(Connection *con, const char *res, char **value)
-{
-    if (xcb_xrm_resource_get_string(con->database, res, res, value) >= 0) {
-        log_debug("Xrm query '%s' found '%s'", res, *value);
-        return true;
-    }
-
-    log_debug("Xrm query '%s' not found", res);
-    return false;
-}
-
-static void update_xrm(Connection *con)
-{
-    xcb_flush(con->connection);
-    xcb_xrm_database_t *database = xcb_xrm_database_from_default(con->connection);
-
-    if (database == NULL) {
-        log_warning("Xrm database couldn't be updated");
-        return;
-    }
-
-    xcb_xrm_database_free(con->database);
-    con->database = database;
-    log_debug("Xrm database updated");
-}
-
-static void update_scale(Connection *con)
-{
-    char *dpi_value;
-    if (query_xrm(con, "Xft.dpi", &dpi_value)) {
-        con->screen_dpi = strtod(dpi_value, NULL);
-        g_free(dpi_value);
-    } else {
-        con->screen_dpi = (double)con->screen_size->height * 25.4 / (double)con->screen_size->mheight;
-        log_debug("Fallback dpi value '%.2lf'", con->screen_dpi);
-    }
-}
-
-typedef struct {
-    GSource source;
-    Connection *con;
-    gpointer fd_tag;
-    xcb_generic_event_t *event;
-} EventSource;
-
-static gboolean source_check(GSource *source)
-{
-    EventSource *xsource = (EventSource *)source;
-    xcb_flush(xsource->con->connection);
-    g_assert_null(xsource->event);
-
-    GIOCondition flags = g_source_query_unix_fd(source, xsource->fd_tag);
-    if (flags & G_IO_IN) {
-        g_assert_false(xcb_connection_has_error(xsource->con->connection));
-        xsource->event = xcb_poll_for_event(xsource->con->connection);
-    }
-
-    return xsource->event != NULL;
-}
-
-static void redraw_window(Connection *con, xcb_window_t id)
-{
-    for (int i = 0; i < con->states->len; ++i) {
-        State *state = con->states->pdata[i];
-
-        // Redraw matching window
-        if (state->win->window == id) {
-            log_debug("Redrawing window [id=%d]", id);
-            draw_paint(state->draw, state->win);
-            break;
-        }
-    }
-}
-
-static gboolean source_dispatch(GSource *source, GSourceFunc callback, gpointer data)
-{
-    EventSource *xsource = (EventSource *)source;
-    g_assert_nonnull(xsource->event);
-
-    do {
-        switch (xsource->event->response_type & ~0x80) {
-            case 0: {
-                xcb_generic_error_t *error = (xcb_generic_error_t *)xsource->event;
-
-                const char *extension;
-                const char *name  = xcb_errors_get_name_for_error(xsource->con->errors, error->error_code, &extension);
-                const char *major = xcb_errors_get_name_for_major_code(xsource->con->errors, error->major_code);
-                const char *minor = xcb_errors_get_name_for_minor_code(xsource->con->errors, error->major_code, error->minor_code);
-
-                // TODO: Handle errors instead of aborting
-                log_error("Xcb error '%s' [extension=%s, major=%s, minor=%s, resource=%u, sequence=%u]",
-                          name,
-                          extension ? extension : "none",
-                          major,
-                          minor ? minor : "none",
-                          (unsigned int)error->resource_id,
-                          (unsigned int)error->sequence);
-                break;
-            }
-
-            case XCB_EXPOSE: {
-                xcb_expose_event_t *expose = (xcb_expose_event_t *)xsource->event;
-                log_debug("Processing event 'Expose' [type=%d]", XCB_EXPOSE);
-                redraw_window(xsource->con, expose->window);
-                break;
-            }
-
-            case XCB_CREATE_NOTIFY: {
-                xcb_create_notify_event_t *create = (xcb_create_notify_event_t *)xsource->event;
-                log_debug("Processing event 'CreateNotify' [type=%d]", XCB_CREATE_NOTIFY);
-
-                // TODO: Circulate top the window if override_redirect == 0
-
-                break;
-            }
-
-            case XCB_BUTTON_RELEASE: {
-                log_debug("Mouse event");
-
-                // TODO: Handle click generically by translating the button code
-                break;
-            }
-
-            case XCB_PROPERTY_NOTIFY: {
-                xcb_property_notify_event_t *property = (xcb_property_notify_event_t *)xsource->event;
-                log_debug("Processing event 'PropertyNotify' [type=%d]", XCB_PROPERTY_NOTIFY);
-
-                if (property->atom == XCB_ATOM_RESOURCE_MANAGER) {
-                    update_xrm(xsource->con);
-                    update_scale(xsource->con);
-                    redraw_window(xsource->con, property->window);
-                }
-                break;
-            }
-
-            default: {
-                const char *extension;
-                const char *name = xcb_errors_get_name_for_xcb_event(xsource->con->errors, xsource->event, &extension);
-
-                // TODO: Handle XCB_RANDR_SCREEN_CHANGE_NOTIFY
-
-                log_debug("Ignoring event '%s' [type=%d, extension=%s]",
-                          name,
-                          xsource->event->response_type & 0x7f,
-                          extension ? extension : "none");
-            }
-        }
-    } while ((xsource->event = xcb_poll_for_event(xsource->con->connection)) != NULL);
-
-    return G_SOURCE_CONTINUE;
-}
-
-static GSourceFuncs source_fns = {
-    NULL,
-    source_check,
-    source_dispatch,
-    NULL,
-};
-
-static void attach_source(Connection *con)
-{
-    EventSource *source = (EventSource *)g_source_new(&source_fns, sizeof(EventSource));
-    con->source = (GSource *)source;
-    g_source_set_static_name(con->source, "EventSource");
-
-    source->con = con;
-    source->event = NULL;
-    source->fd_tag = g_source_add_unix_fd(con->source, xcb_get_file_descriptor(con->connection), G_IO_IN | G_IO_HUP | G_IO_ERR);
-
-    g_source_attach(con->source, NULL);
-}
-
-Connection *connection_create()
-{
-    Connection *con = g_malloc0(sizeof(Connection));
-    g_assert_nonnull(con);
-
-    int preferred_screen = 0;
-    con->connection = xcb_connect(NULL, &preferred_screen);
-    g_assert_true(con->connection != NULL && !xcb_connection_has_error(con->connection));
-    log_debug("Xcb connection established");
-
-    log_debug("Default screen '%d'", preferred_screen);
-    xcb_screen_iterator_t iter = xcb_setup_roots_iterator(xcb_get_setup(con->connection));
-
-    while (preferred_screen != 0 && iter.rem) {
-        xcb_screen_next(&iter);
-        preferred_screen--;
-    }
-
-    con->screen = iter.data;
-    xcb_generic_error_t *error;
-
-    xcb_randr_query_version_cookie_t version_cookie = xcb_randr_query_version(con->connection,
-                                                                              XCB_RANDR_MAJOR_VERSION,
-                                                                              XCB_RANDR_MINOR_VERSION);
-
-    xcb_randr_query_version_reply_t *randr_version = xcb_randr_query_version_reply(con->connection,
-                                                                                   version_cookie,
-                                                                                   &error);
-
-    g_assert_null(error);
-    log_debug("RandR loaded [version=%d.%d]", randr_version->major_version, randr_version->minor_version);
-    g_assert_cmpint(randr_version->major_version, >=, 1);
-
-    xcb_randr_get_screen_info_cookie_t cookie = xcb_randr_get_screen_info(con->connection, con->screen->root);
-    xcb_randr_get_screen_info_reply_t *info_reply = xcb_randr_get_screen_info_reply(con->connection, cookie, &error);
-    g_assert_null(error);
-
-    con->screen_size = xcb_randr_get_screen_info_sizes(info_reply);
-    g_assert_nonnull(con->screen_size);
-    log_debug("Screen size [width=%d, height=%d]", con->screen_size->width, con->screen_size->height);
-
-    xcb_randr_select_input(con->connection,
-                           con->screen->root,
-                           XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE |
-                           XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE |
-                           XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY);
-
-    log_debug("Xcb searching 32 bit visual");
-    con->visual_type = xcb_aux_find_visual_by_attrs(con->screen, XCB_VISUAL_CLASS_TRUE_COLOR, 32);
-    con->screen_depth = 32;
-
-    if (con->visual_type == NULL) {
-        // NOTE: 24 bit visuals don't have the alpha channel for transparency
-        log_debug("Fallback to 24 bit visual");
-        con->visual_type = xcb_aux_find_visual_by_attrs(con->screen, XCB_VISUAL_CLASS_TRUE_COLOR, 24);
-        con->screen_depth = 24;
-    }
-
-    g_assert_nonnull(con->visual_type);
-    log_debug("Xcb visual type found [id=%u]", con->visual_type->visual_id);
-
-    xcb_intern_atom_cookie_t *ewmh_cookie = xcb_ewmh_init_atoms(con->connection, &con->ewmh);
-    g_assert_true(xcb_ewmh_init_atoms_replies(&con->ewmh, ewmh_cookie, &error));
-    g_assert_null(error);
-    log_debug("Xcb ewmh initialized");
-
-    con->database = xcb_xrm_database_from_default(con->connection);
-    g_assert_nonnull(con->database);
-
-    update_scale(con);
-
-    g_assert(xcb_errors_context_new(con->connection, &con->errors) == 0);
-    log_debug("Xcb errors loaded");
-
-    xcb_flush(con->connection);
-    log_debug("Xcb set up");
-
-    con->states = g_ptr_array_new();
-    g_assert_nonnull(con->states);
-
-    return con;
-}
-
-void connection_attach_source(Connection *con)
-{
-    g_assert_null(con->source);
-
-    attach_source(con);
-    log_debug("Xcb event loop attached");
-}
-
-void connection_attach_state(Connection *con, State *state)
-{
-    g_assert_nonnull(state);
-    g_ptr_array_add(con->states, state);
-    log_debug("Attached state to event loop");
-}
-
-void connection_destroy(Connection *con)
-{
-    g_ptr_array_free(con->states, true);
-
-    g_source_destroy(con->source);
-    g_source_unref(con->source);
-
-    xcb_ewmh_connection_wipe(&con->ewmh);
-    xcb_errors_context_free(con->errors);
-    xcb_xrm_database_free(con->database);
-    xcb_disconnect(con->connection);
-    g_free(con);
-}
-
-// vim: ts=4 sw=4 et