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38 lines
876 B
C
38 lines
876 B
C
#include <cairo.h>
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enum position {
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POS_UNSET = -1,
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POS_LEFT = 0,
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POS_CENTRE = 1,
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POS_RIGHT = 2,
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POS_TOP = 0 << 4,
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POS_MIDDLE = 1 << 4,
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POS_BOTTOM = 2 << 4,
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POS_TOP_LEFT = POS_TOP | POS_LEFT,
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POS_TOP_CENTRE = POS_TOP | POS_CENTRE,
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POS_TOP_RIGHT = POS_TOP | POS_RIGHT,
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POS_MIDDLE_LEFT = POS_MIDDLE | POS_LEFT,
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POS_MIDDLE_CENTRE = POS_MIDDLE | POS_CENTRE,
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POS_MIDDLE_RIGHT = POS_MIDDLE | POS_RIGHT,
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POS_BOTTOM_LEFT = POS_BOTTOM | POS_LEFT,
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POS_BOTTOM_CENTRE = POS_BOTTOM | POS_CENTRE,
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POS_BOTTOM_RIGHT = POS_BOTTOM | POS_RIGHT,
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};
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struct overlay {
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cairo_surface_t *surface;
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void (*show)(struct overlay *);
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void (*position)(struct overlay *, enum position);
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void (*hide)(struct overlay *);
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};
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extern const cairo_user_data_key_t overlay_key;
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cairo_surface_t *x11_overlay_create(enum position pos, int *width, int *height);
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void x11_overlay_stop(void);
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