int sliders snap to whole numbers

1 files changed, 11 insertions, 4 deletions

diff --git a/kon/konui.c b/kon/konui.c
index 777f24d..13a51d3 100644
--- a/kon/konui.c
+++ b/kon/konui.c
@@ -425,7 +425,7 @@ int kon_uiCheckbox(kon_ui_t *ui, const char *label, int *value)
 	return clicked;
 }
 
-int kon_uiSliderFloat(kon_ui_t *ui, const char *label, float *value, float min, float max)
+static int kon_uiSlider_(kon_ui_t *ui, const char *label, float *value, float min, float max, int whole)
 {
 	uint32_t id = kon_uiHash_(ui, label);
 	size_t n = kon_uiVisibleLength_(label);
@@ -444,6 +444,7 @@ int kon_uiSliderFloat(kon_ui_t *ui, const char *label, float *value, float min,
 		if (t < 0.0f) t = 0.0f;
 		if (t > 1.0f) t = 1.0f;
 		v = min + t * (max - min);
+		if (whole) v = (float)(int)(v + (v < 0 ? -0.5f : 0.5f));
 		if (v != *value) {
 			*value = v;
 			changed = 1;
@@ -459,17 +460,23 @@ int kon_uiSliderFloat(kon_ui_t *ui, const char *label, float *value, float min,
 	kon_uiFill_(ui, KON_RECT(r.x + 1, r.y + 1, fill, r.h - 2), ui->theme.accent);
 	kon_uiOutline_(ui, r, ui->theme.border);
 
-	snprintf(text, sizeof(text), "%.*s: %.2f", (int)(n > 40 ? 40 : n), label, (double)*value);
+	if (whole) snprintf(text, sizeof(text), "%.*s: %d", (int)(n > 40 ? 40 : n), label, (int)*value);
+	else snprintf(text, sizeof(text), "%.*s: %.2f", (int)(n > 40 ? 40 : n), label, (double)*value);
 	kon_uiDrawText_(ui, r.x + pad, r.y + pad / 2 + 1, text, strlen(text), ui->theme.text);
 	return changed;
 }
 
+int kon_uiSliderFloat(kon_ui_t *ui, const char *label, float *value, float min, float max)
+{
+	return kon_uiSlider_(ui, label, value, min, max, 0);
+}
+
 int kon_uiSliderInt(kon_ui_t *ui, const char *label, int *value, int min, int max)
 {
 	float v = (float)*value;
-	int changed = kon_uiSliderFloat(ui, label, &v, (float)min, (float)max);
+	int changed = kon_uiSlider_(ui, label, &v, (float)min, (float)max, 1);
 
-	if (changed) *value = (int)(v + (v < 0 ? -0.5f : 0.5f));
+	if (changed) *value = (int)v;
 	return changed;
 }