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fixing window scaling

This commit is contained in:
Dmytro Ivanov 2016-05-09 21:34:06 +02:00
parent 74e115dac7
commit 21d2458bdc
1 changed files with 42 additions and 4 deletions
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46
nuklear.h
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@ -2436,6 +2436,11 @@ struct nk_property_state {
int state;
};
struct nk_scaling_state {
struct nk_vec2 start_size;
int active;
};
struct nk_window {
unsigned int seq;
nk_hash name;
@ -2449,6 +2454,7 @@ struct nk_window {
struct nk_property_state property;
struct nk_popup_state popup;
struct nk_edit_state edit;
struct nk_scaling_state scaling;
struct nk_table *tables;
unsigned short table_count;
@ -2776,6 +2782,22 @@ nk_rectiv(const int *r)
return nk_recti(r[0], r[1], r[2], r[3]);
}
NK_API struct nk_vec2
nk_rect_pos(struct nk_rect r)
{
struct nk_vec2 ret;
ret.x = r.x; ret.y = r.y;
return ret;
}
NK_API struct nk_vec2
nk_rect_size(struct nk_rect r)
{
struct nk_vec2 ret;
ret.x = r.w; ret.y = r.h;
return ret;
}
NK_INTERN struct nk_rect
nk_shrink_rect(struct nk_rect r, float amount)
{
@ -2828,6 +2850,7 @@ nk_vec2iv(const int *v)
{
return nk_vec2i(v[0], v[1]);
}
/*
* ==============================================================
*
@ -10156,6 +10179,13 @@ nk_input_is_mouse_released(const struct nk_input *i, enum nk_buttons id)
return (!i->mouse.buttons[id].down && i->mouse.buttons[id].clicked);
}
NK_API struct nk_vec2
nk_input_mouse_accumulated_drag_delta(const struct nk_input *i, enum nk_buttons id)
{
if (!i || !i->mouse.buttons[id].down) return nk_vec2(0.0f, 0.0f);
return nk_vec2_sub(i->mouse.pos, i->mouse.buttons[id].clicked_pos);
}
NK_API int
nk_input_is_key_pressed(const struct nk_input *i, enum nk_keys key)
{
@ -15869,12 +15899,20 @@ nk_panel_end(struct nk_context *ctx)
struct nk_vec2 window_size = style->window.min_size;
int incursor = NK_INBOX(prev_x,prev_y,scaler_x,scaler_y,scaler_w,scaler_h);
if (nk_input_is_mouse_down(in, NK_BUTTON_LEFT) && incursor) {
window->bounds.w = NK_MAX(window_size.x, window->bounds.w + in->mouse.delta.x);
if (nk_input_is_mouse_down(in, NK_BUTTON_LEFT) &&
(incursor || window->scaling.active == nk_true)) {
if(window->scaling.active == nk_false)
window->scaling.start_size = nk_rect_size(window->bounds);
window->scaling.active = nk_true;
struct nk_vec2 delta = nk_input_mouse_accumulated_drag_delta(in, NK_BUTTON_LEFT);
window->bounds.w = NK_MAX(window_size.x,
window->scaling.start_size.x + delta.x);
/* dragging in y-direction is only possible if static window */
if (!(layout->flags & NK_WINDOW_DYNAMIC))
window->bounds.h = NK_MAX(window_size.y, window->bounds.h + in->mouse.delta.y);
}
window->bounds.h = NK_MAX(window_size.y,
window->scaling.start_size.y + delta.y);
} else window->scaling.active = nk_false;
}
}