somebar/src/bar.hpp
2021-11-02 19:15:24 +01:00

74 lines
1.9 KiB
C++

// somebar - dwl bar
// See LICENSE file for copyright and license details.
#pragma once
#include <optional>
#include <string>
#include <vector>
#include <wayland-client.h>
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
#include "common.hpp"
#include "shm_buffer.hpp"
class BarComponent {
std::unique_ptr<std::string> _text;
public:
BarComponent();
explicit BarComponent(wl_unique_ptr<PangoLayout> layout);
int width() const;
void setText(const std::string& text);
wl_unique_ptr<PangoLayout> pangoLayout;
int x {0};
};
struct Tag {
int state;
int numClients;
int focusedClient;
BarComponent component;
};
struct Monitor;
class Bar {
static const zwlr_layer_surface_v1_listener _layerSurfaceListener;
static const wl_callback_listener _frameListener;
wl_unique_ptr<wl_surface> _surface;
wl_unique_ptr<zwlr_layer_surface_v1> _layerSurface;
wl_unique_ptr<PangoContext> _pangoContext;
std::optional<ShmBuffer> _bufs;
std::vector<Tag> _tags;
BarComponent _layoutCmp, _titleCmp, _statusCmp;
bool _selected;
bool _invalid {false};
// only vaild during render()
cairo_t* _painter {nullptr};
int _x;
ColorScheme _colorScheme;
void layerSurfaceConfigure(uint32_t serial, uint32_t width, uint32_t height);
void render();
void renderTags();
void renderStatus();
// low-level rendering
void setColorScheme(const ColorScheme& scheme, bool invert = false);
void beginFg();
void beginBg();
void renderComponent(BarComponent& component);
BarComponent createComponent(const std::string& initial = {});
public:
Bar();
const wl_surface* surface() const;
bool visible() const;
void show(wl_output* output);
void hide();
void setTag(int tag, int state, int numClients, int focusedClient);
void setSelected(bool selected);
void setLayout(const std::string& layout);
void setTitle(const std::string& title);
void setStatus(const std::string& status);
void invalidate();
void click(Monitor* mon, int x, int y, int btn);
};