57d364a2fc
The %{PR} tag is introduced for this. It resets all colors as well as
the activation of the underline and overline and font.
This has become necessary because we don't track what raw tags a user
injects into the formatting string and otherwise their raw tags could
bleed through.
This doesn't touch action tags because even before raw action tags
weren't being tracked. Action tags also have the requirement that they
have to be used in pairs, so closing them prematurely could break things
(for example with click actions for the entire bar)
142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
#pragma once
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#include <bitset>
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#include <cairo/cairo.h>
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#include <memory>
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#include "cairo/fwd.hpp"
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#include "common.hpp"
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#include "components/types.hpp"
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#include "events/signal_fwd.hpp"
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#include "events/signal_receiver.hpp"
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#include "x11/extensions/fwd.hpp"
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#include "x11/types.hpp"
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POLYBAR_NS
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// fwd {{{
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class connection;
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class config;
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class logger;
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class background_manager;
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class bg_slice;
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// }}}
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using std::map;
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struct alignment_block {
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cairo_pattern_t* pattern;
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double x;
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double y;
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};
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class renderer
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: public signal_receiver<SIGN_PRIORITY_RENDERER, signals::ui::request_snapshot, signals::parser::change_background,
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signals::parser::change_foreground, signals::parser::change_underline, signals::parser::change_overline,
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signals::parser::change_font, signals::parser::change_alignment, signals::parser::reverse_colors,
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signals::parser::offset_pixel, signals::parser::attribute_set, signals::parser::attribute_unset,
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signals::parser::attribute_toggle, signals::parser::action_begin, signals::parser::action_end,
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signals::parser::text, signals::parser::control> {
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public:
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using make_type = unique_ptr<renderer>;
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static make_type make(const bar_settings& bar);
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explicit renderer(
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connection& conn, signal_emitter& sig, const config&, const logger& logger, const bar_settings& bar, background_manager& background_manager);
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~renderer();
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xcb_window_t window() const;
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const vector<action_block> actions() const;
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void begin(xcb_rectangle_t rect);
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void end();
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void flush();
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#if 0
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void reserve_space(edge side, unsigned int w);
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#endif
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void fill_background();
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void fill_overline(double x, double w);
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void fill_underline(double x, double w);
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void fill_borders();
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void draw_text(const string& contents);
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protected:
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double block_x(alignment a) const;
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double block_y(alignment a) const;
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double block_w(alignment a) const;
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double block_h(alignment a) const;
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void flush(alignment a);
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void highlight_clickable_areas();
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bool on(const signals::ui::request_snapshot& evt);
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bool on(const signals::parser::change_background& evt);
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bool on(const signals::parser::change_foreground& evt);
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bool on(const signals::parser::change_underline& evt);
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bool on(const signals::parser::change_overline& evt);
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bool on(const signals::parser::change_font& evt);
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bool on(const signals::parser::change_alignment& evt);
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bool on(const signals::parser::reverse_colors&);
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bool on(const signals::parser::offset_pixel& evt);
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bool on(const signals::parser::attribute_set& evt);
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bool on(const signals::parser::attribute_unset& evt);
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bool on(const signals::parser::attribute_toggle& evt);
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bool on(const signals::parser::action_begin& evt);
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bool on(const signals::parser::action_end& evt);
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bool on(const signals::parser::text& evt);
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bool on(const signals::parser::control& evt);
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protected:
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struct reserve_area {
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edge side{edge::NONE};
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unsigned int size{0U};
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};
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private:
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connection& m_connection;
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signal_emitter& m_sig;
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const config& m_conf;
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const logger& m_log;
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const bar_settings& m_bar;
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std::shared_ptr<bg_slice> m_background;
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int m_depth{32};
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xcb_window_t m_window;
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xcb_colormap_t m_colormap;
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xcb_visualtype_t* m_visual;
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xcb_gcontext_t m_gcontext;
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xcb_pixmap_t m_pixmap;
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xcb_rectangle_t m_rect{0, 0, 0U, 0U};
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reserve_area m_cleararea{};
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// bool m_autosize{false};
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unique_ptr<cairo::context> m_context;
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unique_ptr<cairo::xcb_surface> m_surface;
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map<alignment, alignment_block> m_blocks;
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cairo_pattern_t* m_cornermask{};
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cairo_operator_t m_comp_bg{CAIRO_OPERATOR_SOURCE};
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cairo_operator_t m_comp_fg{CAIRO_OPERATOR_OVER};
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cairo_operator_t m_comp_ol{CAIRO_OPERATOR_OVER};
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cairo_operator_t m_comp_ul{CAIRO_OPERATOR_OVER};
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cairo_operator_t m_comp_border{CAIRO_OPERATOR_OVER};
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bool m_pseudo_transparency{false};
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alignment m_align;
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std::bitset<3> m_attr;
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int m_font{0};
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unsigned int m_bg{0U};
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unsigned int m_fg{0U};
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unsigned int m_ol{0U};
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unsigned int m_ul{0U};
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vector<action_block> m_actions;
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bool m_fixedcenter;
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string m_snapshot_dst;
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};
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POLYBAR_NS_END
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