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eeshow/aoi.c, aoi.h: remove dragging support (now in input.c)

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The crazy detour through aoi.c and over.c is no longer needed.
This commit is contained in:
Werner Almesberger 2016-08-18 02:13:55 -03:00
parent d78caddaf9
commit 6847165604
3 changed files with 10 additions and 107 deletions
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98
eeshow/gui/aoi.c
View File

@ -25,13 +25,7 @@
#include "gui/aoi.h"
#define DRAG_RADIUS 5
static const struct aoi *hovering = NULL;
static const struct aoi *clicked = NULL;
static const struct aoi *dragging = NULL;
static int clicked_x, clicked_y;
struct aoi *aoi_add(struct aoi **aois, const struct aoi *cfg)
@ -68,23 +62,10 @@ static const struct aoi *find_aoi(const struct aoi *aois, int x, int y)
}
static bool aoi_on_list(const struct aoi *aois, const struct aoi *ref)
{
const struct aoi *aoi;
for (aoi = aois; aoi; aoi = aoi->next)
if (aoi == ref)
return 1;
return 0;
}
bool aoi_hover(const struct aoi *aois, int x, int y)
{
const struct aoi *aoi;
if (dragging)
return 0;
if (hovering) {
if (x >= hovering->x && x < hovering->x + hovering->w &&
y >= hovering->y && y < hovering->y + hovering->h)
@ -102,85 +83,16 @@ bool aoi_hover(const struct aoi *aois, int x, int y)
}
bool aoi_move(const struct aoi *aois, int x, int y)
{
if (dragging) {
if (aoi_on_list(aois, dragging)) {
dragging->drag(dragging->user,
x - clicked_x, y - clicked_y);
clicked_x = x;
clicked_y = y;
}
return 1;
}
if (!clicked)
return 0;
/*
* Ensure we're on the right list and are using the same coordinate
* system.
*/
if (!aoi_on_list(aois, clicked))
return 0;
if (hypot(x - clicked_x, y - clicked_y) > DRAG_RADIUS) {
if (clicked && clicked->drag) {
dragging = clicked;
dragging->drag(dragging->user,
x - clicked_x, y - clicked_y);
clicked_x = x;
clicked_y = y;
}
clicked = NULL;
}
return 1;
}
bool aoi_down(const struct aoi *aois, int x, int y)
{
assert(!clicked);
aoi_dehover();
clicked = find_aoi(aois, x, y);
if (!clicked)
return 0;
if (!clicked->click) {
clicked = NULL;
return 0;
}
clicked_x = x;
clicked_y = y;
return 1;
}
bool aoi_up(const struct aoi *aois, int x, int y)
bool aoi_click(const struct aoi *aois, int x, int y)
{
const struct aoi *aoi;
if (!aoi_move(aois, x, y))
return 0;
aoi_dehover();
/*
* Ensure we're on the right list and are using the same coordinate
* system.
*/
for (aoi = aois; aoi; aoi = aoi->next)
if (aoi == clicked || aoi == dragging)
break;
if (!aoi)
aoi = find_aoi(aois, x, y);
if (!aoi || !aoi->click)
return 0;
if (dragging) {
dragging = NULL;
return 1;
}
clicked->click(clicked->user);
clicked = NULL;
aoi->click(aoi->user);
return 1;
}

5
eeshow/gui/aoi.h
View File

@ -22,7 +22,6 @@ struct aoi {
bool (*hover)(void *user, bool on);
void (*click)(void *user);
void (*drag)(void *user, int dx, int dy);
void *user;
struct aoi *next;
@ -33,9 +32,7 @@ struct aoi *aoi_add(struct aoi **aois, const struct aoi *cfg);
void aoi_update(struct aoi *aoi, const struct aoi *cfg);
bool aoi_hover(const struct aoi *aois, int x, int y);
bool aoi_move(const struct aoi *aois, int x, int y);
bool aoi_down(const struct aoi *aois, int x, int y);
bool aoi_up(const struct aoi *aois, int x, int y);
bool aoi_click(const struct aoi *aois, int x, int y);
void aoi_remove(struct aoi **aois, const struct aoi *aoi);
void aoi_dehover(void);

14
eeshow/gui/gui.c
View File

@ -780,12 +780,11 @@ static bool sheet_click(void *user, int x, int y)
canvas_coord(ctx, x, y, &ex, &ey);
if (aoi_down(ctx->aois, x, y))
return aoi_up(ctx->aois, x, y);
if (aoi_down(curr_sheet->aois,
if (aoi_click(ctx->aois, x, y))
return 1;
if (aoi_click(curr_sheet->aois,
ex + curr_sheet->xmin, ey + curr_sheet->ymin))
return aoi_up(curr_sheet->aois,
ex + curr_sheet->xmin, ey + curr_sheet->ymin);
return 1;
if (ctx->showing_history)
hide_history(ctx);
@ -803,11 +802,6 @@ static bool sheet_hover_update(void *user, int x, int y)
canvas_coord(ctx, x, y, &ex, &ey);
if (aoi_move(ctx->aois, x, y))
return 1;
if (aoi_move(curr_sheet->aois,
ex + curr_sheet->xmin, ey + curr_sheet->ymin))
return 1;
if (aoi_hover(ctx->aois, x, y))
return 1;
return aoi_hover(curr_sheet->aois,