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refactor(xcb): Namespacing

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This commit is contained in:
Michael Carlberg 2016-06-28 06:18:17 +02:00
parent b8a1dd628e
commit e1279d6582
3 changed files with 123 additions and 69 deletions
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14
include/utils/xcb.hpp
View file

@ -39,8 +39,16 @@ namespace xcb
int index = 0;
};
std::shared_ptr<monitor_t> make_monitor();
std::shared_ptr<monitor_t> make_monitor(char *name, size_t name_len, int idx, xcb_rectangle_t *rect);
namespace connection
{
bool check(xcb_connection_t *connection);
}
std::vector<std::shared_ptr<monitor_t>> get_monitors(xcb_connection_t *connection, xcb_window_t root);
namespace monitor
{
std::shared_ptr<monitor_t> make_object();
std::shared_ptr<monitor_t> make_object(char *name, size_t name_len, int idx, xcb_rectangle_t *rect);
std::vector<std::shared_ptr<monitor_t>> get_list(xcb_connection_t *connection, xcb_window_t root);
}
}

4
src/bar.cpp
View file

@ -52,7 +52,7 @@ Bar::Bar() : config_path(config::get_bar_path()), opts(std::make_unique<Options>
} catch (config::MissingValueException &e) {}
auto monitor_name = config::get<std::string>(this->config_path, "monitor", "");
auto monitors = xcb::get_monitors(x::connection(), x::connection().root());
auto monitors = xcb::monitor::get_list(x::connection(), x::connection().root());
// In case we're not connected to X, we'll just ignore the monitor
if (!monitors.empty()) {
@ -77,7 +77,7 @@ Bar::Bar() : config_path(config::get_bar_path()), opts(std::make_unique<Options>
// Create an empty monitor as fallback
if (!this->opts->monitor)
this->opts->monitor = xcb::make_monitor();
this->opts->monitor = xcb::monitor::make_object();
this->opts->offset_x = config::get<int>(this->config_path, "offset_x", defaults.offset_x);
this->opts->offset_y = config::get<int>(this->config_path, "offset_y", defaults.offset_y);

174
src/utils/xcb.cpp
View file

@ -1,82 +1,128 @@
#include "utils/xcb.hpp"
#include "utils/memory.hpp"
#include "services/logger.hpp"
namespace xcb
{
std::shared_ptr<monitor_t> make_monitor() {
return memory::make_malloc_ptr<monitor_t>();
}
std::shared_ptr<monitor_t> make_monitor(char *name, size_t name_len, int idx, xcb_rectangle_t rect)
namespace connection
{
auto mon = make_monitor();
bool check(xcb_connection_t *connection)
{
int err;
mon->bounds = rect;
mon->index = idx;
if ((err = xcb_connection_has_error(connection)) == 0)
return true;
size_t name_size = name_len + 1;
if (sizeof(mon->name) < name_size)
name_size = sizeof(mon->name);
log_error("xcb: The server closed the connection");
std::snprintf(mon->name, name_size, "%s", name);
return mon;
}
std::vector<std::shared_ptr<monitor_t>> get_monitors(xcb_connection_t *connection, xcb_window_t root)
{
std::vector<std::shared_ptr<monitor_t>> monitors;
xcb_randr_get_screen_resources_reply_t *sres =
xcb_randr_get_screen_resources_reply(connection,
xcb_randr_get_screen_resources(connection, root), nullptr);
if (sres == nullptr)
return monitors;
int len = xcb_randr_get_screen_resources_outputs_length(sres);
xcb_randr_output_t *outputs = xcb_randr_get_screen_resources_outputs(sres);
for (int i = 0; i < len; i++) {
xcb_randr_get_output_info_cookie_t cookie =
xcb_randr_get_output_info(connection, outputs[i], XCB_CURRENT_TIME);
xcb_randr_get_output_info_reply_t *info =
xcb_randr_get_output_info_reply(connection, cookie, nullptr);
xcb_randr_get_output_info(connection, outputs[i], XCB_CURRENT_TIME);
if (info == nullptr)
continue;
if (info->crtc == XCB_NONE) {
free(info);
continue;
switch (err) {
case XCB_CONN_ERROR:
log_error("- socket, pipe or stream error");
break;
case XCB_CONN_CLOSED_EXT_NOTSUPPORTED:
log_error("- unsupported extension");
break;
case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
log_error("- not enough memory");
break;
case XCB_CONN_CLOSED_REQ_LEN_EXCEED:
log_error("- request length exceeded");
break;
case XCB_CONN_CLOSED_PARSE_ERR:
log_error("- can't parse display string");
break;
case XCB_CONN_CLOSED_INVALID_SCREEN:
log_error("- invalid screen");
break;
case XCB_CONN_CLOSED_FDPASSING_FAILED:
log_error("- failed to pass FD");
break;
default:
log_error("- unknown error");
break;
}
xcb_randr_get_crtc_info_reply_t *cir =
xcb_randr_get_crtc_info_reply(connection,
xcb_randr_get_crtc_info(connection, info->crtc, XCB_CURRENT_TIME), nullptr);
return false;
}
}
if (cir == nullptr) {
free(info);
continue;
}
char *monitor_name = (char *) xcb_randr_get_output_info_name(info);
monitors.emplace_back(xcb::make_monitor(monitor_name, info->name_len, i,
{cir->x, cir->y, cir->width, cir->height}));
free(cir);
namespace monitor
{
std::shared_ptr<monitor_t> make_object() {
return memory::make_malloc_ptr<monitor_t>();
}
std::sort(monitors.begin(), monitors.end(), [](std::shared_ptr<monitor_t> m1, std::shared_ptr<monitor_t> m2) -> bool
std::shared_ptr<monitor_t> make_object(char *name, size_t name_len, int idx, xcb_rectangle_t rect)
{
if (m1->bounds.x < m2->bounds.x || m1->bounds.y + m1->bounds.height <= m2->bounds.y)
return 1;
if (m1->bounds.x > m2->bounds.x || m1->bounds.y + m1->bounds.height > m2->bounds.y)
return -1;
return 0;
});
auto mon = make_object();
return monitors;
mon->bounds = rect;
mon->index = idx;
size_t name_size = name_len + 1;
if (sizeof(mon->name) < name_size)
name_size = sizeof(mon->name);
std::snprintf(mon->name, name_size, "%s", name);
return mon;
}
std::vector<std::shared_ptr<monitor_t>> get_list(xcb_connection_t *connection, xcb_window_t root)
{
std::vector<std::shared_ptr<monitor_t>> monitors;
xcb_randr_get_screen_resources_reply_t *sres =
xcb_randr_get_screen_resources_reply(connection,
xcb_randr_get_screen_resources(connection, root), nullptr);
if (sres == nullptr)
return monitors;
int len = xcb_randr_get_screen_resources_outputs_length(sres);
xcb_randr_output_t *outputs = xcb_randr_get_screen_resources_outputs(sres);
for (int i = 0; i < len; i++) {
xcb_randr_get_output_info_cookie_t cookie =
xcb_randr_get_output_info(connection, outputs[i], XCB_CURRENT_TIME);
xcb_randr_get_output_info_reply_t *info =
xcb_randr_get_output_info_reply(connection, cookie, nullptr);
xcb_randr_get_output_info(connection, outputs[i], XCB_CURRENT_TIME);
if (info == nullptr)
continue;
if (info->crtc == XCB_NONE) {
free(info);
continue;
}
xcb_randr_get_crtc_info_reply_t *cir =
xcb_randr_get_crtc_info_reply(connection,
xcb_randr_get_crtc_info(connection, info->crtc, XCB_CURRENT_TIME), nullptr);
if (cir == nullptr) {
free(info);
continue;
}
char *monitor_name = (char *) xcb_randr_get_output_info_name(info);
monitors.emplace_back(make_object(monitor_name, info->name_len, i,
{cir->x, cir->y, cir->width, cir->height}));
free(cir);
}
std::sort(monitors.begin(), monitors.end(), [](std::shared_ptr<monitor_t> m1, std::shared_ptr<monitor_t> m2) -> bool
{
if (m1->bounds.x < m2->bounds.x || m1->bounds.y + m1->bounds.height <= m2->bounds.y)
return 1;
if (m1->bounds.x > m2->bounds.x || m1->bounds.y + m1->bounds.height > m2->bounds.y)
return -1;
return 0;
});
return monitors;
}
}
}