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https://codeberg.org/dnkl/yambar.git
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6113f9b94e
Introduce a new icon particle. It follows the icon spec (https://specifications.freedesktop.org/icon-theme-spec/latest/index.html). Rendering logic is taken from fuzzel (using nanosvg + libpng), while loading logic is taken from sway. Standard usage is with `use-tag = false` which expands the provided string template and then loads the string as the icon name. There are settings to manually override the base paths, themes, etc. The second usage which is required for tray support is a special icon tag that transfers raw pixmaps. With `use-tag = true` it first expands the string, and then uses that output to find an icon pixmap tag. To reduce memory usage, themes are reference counted so they can be passed down the configuration stack without having to load them in multiple times. For programmability, a fallback particle can be specified if no icon/tag is found `fallback: ...`. And the new icon pixmap tag can be existence checked in map conditions using `+{tag_name}`. Future work to be done in follow up diffs: 1. Icon caching. Currently performs an icon lookup on each instantiation & a render on each refresh. 2. Theme caching. Changing theme directories results in a new "theme collection" being created resulting in the possibility of duplicated theme loading.
93 lines
3.5 KiB
C
93 lines
3.5 KiB
C
#pragma once
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#include <pixman.h>
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#include <fcft/fcft.h>
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#include "color.h"
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#include "decoration.h"
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#include "font-shaping.h"
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#include "icon.h"
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#include "tag.h"
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enum mouse_event {
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ON_MOUSE_MOTION,
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ON_MOUSE_CLICK,
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};
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enum mouse_button {
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MOUSE_BTN_NONE,
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MOUSE_BTN_LEFT,
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MOUSE_BTN_MIDDLE,
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MOUSE_BTN_RIGHT,
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MOUSE_BTN_WHEEL_UP,
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MOUSE_BTN_WHEEL_DOWN,
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MOUSE_BTN_PREVIOUS,
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MOUSE_BTN_NEXT,
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MOUSE_BTN_COUNT,
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};
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struct bar;
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struct particle {
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void *private;
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int left_margin, right_margin;
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bool have_on_click_template;
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char *on_click_templates[MOUSE_BTN_COUNT];
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pixman_color_t foreground;
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struct fcft_font *font;
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enum font_shaping font_shaping;
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struct deco *deco;
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struct themes *themes;
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struct basedirs *basedirs;
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struct string_list *icon_themes;
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int icon_size;
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void (*destroy)(struct particle *particle);
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struct exposable *(*instantiate)(const struct particle *particle, const struct tag_set *tags);
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};
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struct exposable {
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const struct particle *particle;
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void *private;
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int width; /* Should be set by begin_expose(), at latest */
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char *on_click[MOUSE_BTN_COUNT];
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void (*destroy)(struct exposable *exposable);
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int (*begin_expose)(struct exposable *exposable);
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void (*expose)(const struct exposable *exposable, pixman_image_t *pix, int x, int y, int height);
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void (*on_mouse)(struct exposable *exposable, struct bar *bar, enum mouse_event event, enum mouse_button btn, int x,
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int y);
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};
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struct particle *particle_common_new(int left_margin, int right_margin, char *on_click_templates[],
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struct fcft_font *font, enum font_shaping font_shaping, struct basedirs *basedirs,
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struct themes *themes, struct string_list *icon_themes, int icon_size,
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pixman_color_t foreground, struct deco *deco);
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void particle_default_destroy(struct particle *particle);
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struct exposable *exposable_common_new(const struct particle *particle, const struct tag_set *tags);
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void exposable_default_destroy(struct exposable *exposable);
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void exposable_render_deco(const struct exposable *exposable, pixman_image_t *pix, int x, int y, int height);
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void exposable_default_on_mouse(struct exposable *exposable, struct bar *bar, enum mouse_event event,
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enum mouse_button btn, int x, int y);
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/* List of attributes *all* particles implement */
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#define PARTICLE_COMMON_ATTRS \
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{"margin", false, &conf_verify_unsigned}, {"left-margin", false, &conf_verify_unsigned}, \
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{"right-margin", false, &conf_verify_unsigned}, {"on-click", false, &conf_verify_on_click}, \
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{"font", false, &conf_verify_font}, {"font-shaping", false, &conf_verify_font_shaping}, \
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{"foreground", false, &conf_verify_color}, {"deco", false, &conf_verify_decoration}, \
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{"icon-basedirs", false, &conf_verify_string_list}, {"icon-themes", false, &conf_verify_string_list}, \
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{"icon-size", false, &conf_verify_unsigned}, \
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{ \
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NULL, false, NULL \
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}
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