introduce box widget

2026-01-23 01:24:11 +00:00 · 2025-12-15 14:09:30 +09:00
parent 5003d29246
commit 50f11b1c69
31 changed files with 353 additions and 19 deletions
--- a/src/widget/box.c
+++ b/src/widget/box.c
@@ -0,0 +1,100 @@
+#include <Mw/Milsko.h>
+
+#include "../../external/stb_ds.h"
+
+static int create(MwWidget handle) {
+	MwSetDefault(handle);
+
+	MwSetInteger(handle, MwNorientation, MwHORIZONTAL);
+	MwSetInteger(handle, MwNpadding, 0);
+
+	return 0;
+}
+
+static void draw(MwWidget handle) {
+	MwRect	  r;
+	MwLLColor base = MwParseColor(handle, MwGetText(handle, MwNbackground));
+
+	r.x	 = 0;
+	r.y	 = 0;
+	r.width	 = MwGetInteger(handle, MwNwidth);
+	r.height = MwGetInteger(handle, MwNheight);
+	MwDrawRect(handle, &r, base);
+
+	MwLLFreeColor(base);
+}
+
+static void layout(MwWidget handle) {
+	int i;
+	int sum	  = 0;
+	int horiz = MwGetInteger(handle, MwNorientation) == MwHORIZONTAL ? 1 : 0;
+	int sz	  = MwGetInteger(handle, horiz ? MwNwidth : MwNheight) - MwGetInteger(handle, MwNpadding);
+	int fsz	  = MwGetInteger(handle, horiz ? MwNheight : MwNwidth) - MwGetInteger(handle, MwNpadding) * 2;
+	int sk	  = 0;
+	if(arrlen(handle->children) == 0) return;
+
+	for(i = 0; i < arrlen(handle->children); i++) {
+		int n = MwGetInteger(handle->children[i], MwNboxRatio);
+		if(n == MwDEFAULT) n = 1;
+
+		sum += n;
+	}
+
+	for(i = 0; i < arrlen(handle->children); i++) {
+		int n = MwGetInteger(handle->children[i], MwNboxRatio);
+		int wsz;
+		if(n == MwDEFAULT) n = 1;
+
+		wsz = sz * n / sum - MwGetInteger(handle, MwNpadding);
+
+		sk += MwGetInteger(handle, MwNpadding);
+		MwVaApply(handle->children[i],
+			  horiz ? MwNx : MwNy, sk,				 /* this is what gets changed */
+			  horiz ? MwNy : MwNx, MwGetInteger(handle, MwNpadding), /* fixed between widgets */
+			  horiz ? MwNwidth : MwNheight, wsz,			 /* this is what gets changed */
+			  horiz ? MwNheight : MwNwidth, fsz,			 /* fixed between widgets */
+			  NULL);
+		sk += wsz;
+	}
+}
+
+static void prop_change(MwWidget handle, const char* key) {
+	if(strcmp(key, MwNorientation) == 0) layout(handle);
+}
+
+static void children_prop_change(MwWidget handle, MwWidget child, const char* key) {
+	(void)child;
+
+	if(strcmp(key, MwNboxRatio) == 0) layout(handle);
+}
+
+static void resize(MwWidget handle) {
+	layout(handle);
+}
+
+static void children_update(MwWidget handle) {
+	layout(handle);
+}
+
+MwClassRec MwBoxClassRec = {
+    create,		  /* create */
+    NULL,		  /* destroy */
+    draw,		  /* draw */
+    NULL,		  /* click */
+    NULL,		  /* parent_resize */
+    prop_change,	  /* prop_change */
+    NULL,		  /* mouse_move */
+    NULL,		  /* mouse_up */
+    NULL,		  /* mouse_down */
+    NULL,		  /* key */
+    NULL,		  /* execute */
+    NULL,		  /* tick */
+    resize,		  /* resize */
+    children_update,	  /* children_update */
+    children_prop_change, /* children_prop_change */
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL};
+MwClass MwBoxClass = &MwBoxClassRec;