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exposable: define an 'on_mouse' interface function

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Daniel Eklöf 2018-12-29 12:55:03 +01:00
parent e8d8bf70d3
commit 1cb268f2e7
1 changed files with 7 additions and 0 deletions
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7
particle.h
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@ -20,6 +20,10 @@ struct particle {
const struct tag_set *tags); const struct tag_set *tags);
}; };
enum mouse_event {
ON_MOUSE_MOTION,
ON_MOUSE_CLICK,
};
struct exposable { struct exposable {
const struct particle *particle; const struct particle *particle;
@ -31,6 +35,9 @@ struct exposable {
int (*begin_expose)(struct exposable *exposable, cairo_t *cr); int (*begin_expose)(struct exposable *exposable, cairo_t *cr);
void (*expose)(const struct exposable *exposable, cairo_t *cr, void (*expose)(const struct exposable *exposable, cairo_t *cr,
int x, int y, int height); int x, int y, int height);
void (*on_mouse)(struct exposable *exposable, struct bar *bar,
enum mouse_event event, int x, int y);
}; };
struct particle *particle_common_new(int left_margin, int right_margin); struct particle *particle_common_new(int left_margin, int right_margin);