move

git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@110 b9cfdab3-6d41-4d17-bbe4-086880011989

src/widget/menu.c

@@ -0,0 +1,139 @@
+/* $Id$ */
+#include <Mw/Milsko.h>
+
+#include "../external/stb_ds.h"
+
+typedef struct menu menu_t;
+
+struct menu {
+	char*	 name;
+	menu_t** sub;
+};
+
+static void set_xywh(MwWidget handle) {
+	int	height = 0;
+	int	i;
+	menu_t* m = handle->internal;
+
+	for(i = 0; i < arrlen(m->sub); i++) {
+		int h = MwTextHeight(handle, m->sub[i]->name);
+		if(height < h) {
+			height = h;
+		}
+	}
+
+	height += 20;
+
+	MwVaApply(handle,
+		  MwNx, 0,
+		  MwNy, 0,
+		  MwNwidth, MwGetInteger(handle->parent, MwNwidth),
+		  MwNheight, height,
+		  NULL);
+}
+
+static void create(MwWidget handle) {
+	menu_t* m = malloc(sizeof(*m));
+
+	m->name		 = NULL;
+	m->sub		 = NULL;
+	handle->internal = m;
+
+	MwSetDefault(handle);
+
+	set_xywh(handle);
+}
+
+static void recursive_free(menu_t* m) {
+	int i;
+
+	for(i = 0; i < arrlen(m->sub); i++) {
+		recursive_free(m->sub[i]);
+	}
+
+	if(m->sub != NULL) arrfree(m->sub);
+	if(m->name != NULL) free(m->name);
+	free(m);
+}
+
+static void destroy(MwWidget handle) {
+	menu_t* m = handle->internal;
+
+	recursive_free(m);
+}
+
+static void draw(MwWidget handle) {
+	MwRect	  r;
+	MwPoint	  p;
+	MwLLColor base = MwParseColor(handle, MwGetText(handle, MwNbackground));
+	MwLLColor text = MwParseColor(handle, MwGetText(handle, MwNforeground));
+	menu_t*	  m    = handle->internal;
+	int	  i;
+
+	p.x = 10;
+	p.y = MwGetInteger(handle, MwNheight) / 2;
+
+	r.x	 = 0;
+	r.y	 = 0;
+	r.width	 = MwGetInteger(handle, MwNwidth);
+	r.height = MwGetInteger(handle, MwNheight);
+
+	MwDrawFrame(handle, &r, base, 0);
+	MwDrawRect(handle, &r, base);
+	for(i = 0; i < arrlen(m->sub); i++) {
+		int incr = m->sub[i]->name[0] == '?' ? 1 : 0;
+		int tw	 = MwTextWidth(handle, m->sub[i]->name + incr);
+		int th	 = MwTextHeight(handle, m->sub[i]->name + incr);
+		int oldx = p.x;
+
+		if(incr) {
+			p.x = MwGetInteger(handle, MwNwidth) - tw - 10;
+		}
+		p.x += tw / 2;
+
+		r.x	 = p.x - tw / 2 - 5;
+		r.y	 = p.y - th / 2 - 5;
+		r.width	 = tw + 10;
+		r.height = th + 10;
+
+		if(handle->pressed && r.x <= handle->pressed_point.x && r.y <= handle->pressed_point.y && handle->pressed_point.x <= (int)(r.x + r.width) && handle->pressed_point.y <= (int)(r.y + r.height)) {
+			MwDrawFrame(handle, &r, base, 0);
+		}
+
+		MwDrawText(handle, &p, m->sub[i]->name + incr, 1, text);
+
+		p.x += tw / 2 + 20;
+		if(incr) p.x = oldx;
+	}
+
+	MwLLFreeColor(text);
+	MwLLFreeColor(base);
+}
+
+static void parent_resize(MwWidget handle) {
+	set_xywh(handle);
+}
+
+MwClassRec MwMenuClassRec = {
+    create,	  /* create */
+    destroy,	  /* destroy */
+    draw,	  /* draw */
+    NULL,	  /* click */
+    parent_resize /* parent_resize */
+};
+MwClass MwMenuClass = &MwMenuClassRec;
+
+void* MwMenuAdd(MwWidget handle, void* menu, const char* name) {
+	menu_t* m   = menu == NULL ? handle->internal : menu;
+	menu_t* new = malloc(sizeof(*new));
+	new->name   = malloc(strlen(name) + 1);
+	new->sub    = NULL;
+
+	strcpy(new->name, name);
+
+	arrput(m->sub, new);
+
+	set_xywh(handle);
+
+	return new;
+}