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Fix slider dragging

This commit is contained in:
Ilia Demianenko 2023-08-09 15:07:24 -07:00 committed by MartinFouilleul
parent aee51e62e3
commit 9da38506ff
2 changed files with 10 additions and 9 deletions
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18
milepost/src/ui.c
View File

@ -538,6 +538,9 @@ ui_sig ui_box_sig(ui_box* box)
{
vec2 mousePos = ui_mouse_position();
sig.mouse = (vec2){mousePos.x - box->rect.x, mousePos.y - box->rect.y};
sig.delta = ui_mouse_delta();
sig.wheel = ui_mouse_wheel();
sig.hovering = ui_box_hovering(box, mousePos);
if(box->flags & UI_FLAG_CLICKABLE)
@ -547,6 +550,10 @@ ui_sig ui_box_sig(ui_box* box)
sig.pressed = mp_mouse_pressed(input, MP_MOUSE_LEFT);
if(sig.pressed)
{
if(!box->dragging)
{
box->pressedMouse = sig.mouse;
}
box->dragging = true;
}
sig.doubleClicked = mp_mouse_double_clicked(input, MP_MOUSE_LEFT);
@ -570,9 +577,6 @@ ui_sig ui_box_sig(ui_box* box)
sig.dragging = box->dragging;
}
sig.mouse = (vec2){mousePos.x - box->rect.x, mousePos.y - box->rect.y};
sig.delta = ui_mouse_delta();
sig.wheel = ui_mouse_wheel();
}
return(sig);
}
@ -1757,18 +1761,14 @@ ui_box* ui_slider(const char* label, f32 thumbRatio, f32* scrollValue)
//NOTE: interaction
ui_sig thumbSig = ui_box_sig(thumb);
ui_sig trackSig = ui_box_sig(track);
if(thumbSig.dragging)
{
f32 trackExtents = track->rect.c[2+trackAxis] - thumb->rect.c[2+trackAxis];
f32 delta = thumbSig.delta.c[trackAxis]/trackExtents;
f32 oldValue = *scrollValue;
*scrollValue += delta;
*scrollValue = (trackSig.mouse.c[trackAxis] - thumb->pressedMouse.c[trackAxis]) / trackExtents;
*scrollValue = Clamp(*scrollValue, 0, 1);
}
ui_sig trackSig = ui_box_sig(track);
if(ui_box_active(frame))
{
//NOTE: activated from outside

1
milepost/src/ui.h
View File

@ -318,6 +318,7 @@ struct ui_box
bool hot;
bool active;
vec2 scroll;
vec2 pressedMouse;
// animation data
f32 hotTransition;