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Review sliders to support negative values

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raysan5
2017-12-31 19:33:02 +01:00
parent 1c60bae84d
commit 45f1f17f14
1 changed files with 7 additions and 11 deletions
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18
src/raygui.h
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@ -988,15 +988,12 @@ RAYGUIDEF float GuiSlider(Rectangle bounds, float value, float minValue, float m
Vector2 mousePoint = GetMousePosition();
// Update control
//--------------------------------------------------------------------
if (value < minValue) value = minValue;
else if (value > maxValue) value = maxValue;
Rectangle slider = { bounds.x + (int)((value/(maxValue - minValue))*(bounds.width - 2*style[SLIDER_BORDER_WIDTH])) - 10,
bounds.y + style[SLIDER_BORDER_WIDTH],
20, bounds.height - 2*style[SLIDER_BORDER_WIDTH] };
// Update control
//--------------------------------------------------------------------
if (CheckCollisionPointRec(mousePoint, bounds))
{
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
@ -1009,7 +1006,7 @@ RAYGUIDEF float GuiSlider(Rectangle bounds, float value, float minValue, float m
if (value > maxValue) value = maxValue;
else if (value < minValue) value = minValue;
slider.x = bounds.x + (int)((value/(maxValue - minValue))*(bounds.width - 2*style[SLIDER_BORDER_WIDTH])) - slider.width/2;
slider.x = bounds.x + (int)(((value - minValue)/(maxValue - minValue))*(bounds.width - 2*style[SLIDER_BORDER_WIDTH])) - slider.width/2;
// Snap to limits if mouse down moved outside limits
//if (slider.x < (bounds.x + style[SLIDER_BORDER_WIDTH])) slider.x = bounds.x + style[SLIDER_BORDER_WIDTH];
@ -1055,7 +1052,6 @@ RAYGUIDEF float GuiSlider(Rectangle bounds, float value, float minValue, float m
}
// Slider Bar control, returns selected value
// NOTE: If minimum value is <0 support multidirection
RAYGUIDEF float GuiSliderBar(Rectangle bounds, float value, float minValue, float maxValue)
{
ControlState state = NORMAL;
@ -1064,7 +1060,7 @@ RAYGUIDEF float GuiSliderBar(Rectangle bounds, float value, float minValue, floa
Rectangle slider = { bounds.x + style[SLIDERBAR_BORDER_WIDTH],
bounds.y + style[SLIDERBAR_BORDER_WIDTH] + style[SLIDERBAR_INNER_PADDING],
(int)((value/(maxValue - minValue))*(bounds.width - 2*style[SLIDERBAR_BORDER_WIDTH])),
(int)(((value - minValue)/(maxValue - minValue))*(bounds.width - 2*style[SLIDERBAR_BORDER_WIDTH])),
bounds.height - 2*style[SLIDERBAR_BORDER_WIDTH] - 2*style[SLIDERBAR_INNER_PADDING] };
// Update control
@ -1076,12 +1072,12 @@ RAYGUIDEF float GuiSliderBar(Rectangle bounds, float value, float minValue, floa
state = PRESSED;
// Get equivalent value from mousePoint.x
value = (((maxValue - minValue)*(mousePoint.x - (float)bounds.x))/(float)bounds.width) + minValue;
value = (maxValue - minValue)*((mousePoint.x - (float)bounds.x)/(float)bounds.width) + minValue;
if (value > maxValue) value = maxValue;
else if (value < minValue) value = minValue;
slider.width = (int)((value/(maxValue - minValue))*(bounds.width - 2*style[SLIDERBAR_BORDER_WIDTH]));
slider.width = (int)(((value - minValue)/(maxValue - minValue))*(bounds.width - 2*style[SLIDERBAR_BORDER_WIDTH]));
}
else state = FOCUSED;
}