X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=instimg;a=blobdiff_plain;f=src%2Fwidgets.c;h=2d37973c7101c5a2480b74affb7e93a94e51e108;hp=707d5158cea32006bf7a7ffc15d6b903243516d2;hb=5890e34dc52247c2ed4b9ae2f6cd5e534e3d369f;hpb=5ac430128e1fa0e70e1cb232bd5d756b7e8c6abf

diff --git a/src/widgets.c b/src/widgets.c
index 707d515..2d37973 100644
--- a/src/widgets.c
+++ b/src/widgets.c
@@ -285,12 +285,46 @@ struct wgt_widget *wgt_checkbox(struct wgt_window *win, const char *text, int on
 	return w;
 }
 
+static void combosize(struct wgt_window *win, HWND cbwnd, const char **items, int num_items,
+		int width, int height, struct wgt_rect *sz)
+{
+	int i, max_width, sum_height;
+	struct wgt_rect textsz;
+
+	wgt_string_size(win, "00", &textsz);
+	max_width = width < 0 && width != WGT_AUTO ? -width : textsz.width;
+
+	/* first get the height of the editbox */
+	sum_height = SendMessage(cbwnd, CB_GETITEMHEIGHT, -1, 0);
+	sz->y = sum_height;
+	/* then add the height of the dropdown list items */
+	/* XXX I can't figure out why, but it's not sufficient to show all items
+	 * without some more height, so let's double it...
+	 */
+	sum_height *= 2;
+	sum_height += SendMessage(cbwnd, CB_GETITEMHEIGHT, 0, 0) * num_items;
+	sum_height += GetSystemMetrics(SM_CYEDGE) * 2;
+
+	if(width < 0) {
+		int sbar_width;
+		for(i=0; i<num_items; i++) {
+			wgt_string_size(win, items[i], &textsz);
+			if(textsz.width > max_width) max_width = textsz.width;
+		}
+		sbar_width = GetSystemMetrics(SM_CXVSCROLL);
+		width = max_width + sbar_width + GetSystemMetrics(SM_CXEDGE) * 2;
+	}
+	if(height < 0) height = sum_height;
+
+	sz->width = width;
+	sz->height = height;
+}
+
 struct wgt_widget *wgt_combo(struct wgt_window *win, const char **items, int num_items,
 			int sel, int x, int y, int width, int height, wgt_callback modfunc)
 {
-	int i, max_width, max_height, sum_height, res;
 	struct wgt_widget *w;
-	struct wgt_rect textsz;
+	struct wgt_rect rect;
 
 	if(!(w = calloc(1, sizeof *w))) {
 		fprintf(stderr, "wgt_combo: failed to allocate widget structure\n");
@@ -298,49 +332,22 @@ struct wgt_widget *wgt_combo(struct wgt_window *win, const char **items, int num
 	}
 	w->win = win;
 
-	if(!(w->itemlist = malloc(num_items * sizeof *w->itemlist))) {
-		fprintf(stderr, "wgt_combo: failed to allocate item list\n");
-		free(w);
-		return 0;
-	}
-
-	wgt_string_size(win, "00", &textsz);
-	max_width = width < 0 && width != WGT_AUTO ? -width : textsz.width;
-	max_height = height < 0 && height != WGT_AUTO ? -height : textsz.height;
-	sum_height = num_items ? 0 : max_height;
-
-	for(i=0; i<num_items; i++) {
-		wgt_string_size(win, items[i], &textsz);
-		if(textsz.width > max_width) max_width = textsz.width;
-		if(textsz.height > max_height) max_height = textsz.height;
-		sum_height += textsz.height;
-	}
-	if(width < 0) width = max_width * 3 / 2;
-	if(height < 0) height = sum_height * 2;
-
-
 	if(!(w->handle = CreateWindow("COMBOBOX", items[0] ? items[0] : "",
 			WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST | CBS_HASSTRINGS,
-			x, y, width, height, win->handle, 0, GetModuleHandle(0), 0))) {
+			x, y, 16, 16, win->handle, 0, GetModuleHandle(0), 0))) {
 		fprintf(stderr, "wgt_combo: failed to create window\n");
 		free(w);
 		return 0;
 	}
 
-	for(i=0; i<num_items; i++) {
-		if(!(w->itemlist[i] = strdup(items[i]))) {
-			fprintf(stderr, "wgt_combo: failed to allocate item\n");
-			while(--i >= 0) free(w->itemlist[i]);
-			DestroyWindow(w->handle);
-			free(w->itemlist);
-			free(w);
-			return 0;
-		}
-		if((res = SendMessage(w->handle, CB_ADDSTRING, 0, (long)items[i])) != i) {
-			fprintf(stderr, "wgt_combo: failed to add item\n");
-		}
-	}
-	w->num_items = num_items;
+	combosize(win, w->handle, items, num_items, width, height, &rect);
+	w->rect.x = x;
+	w->rect.y = y;
+	w->rect.width = rect.width;
+	w->rect.height = rect.y;	/* single line height for layout purposes */
+	MoveWindow(w->handle, x, y, rect.width, rect.height, FALSE);
+
+	wgt_combo_setitems(w, items, num_items);
 
 	if(sel < 0) sel = 0;
 	if(sel >= num_items) sel = num_items - 1;
@@ -348,17 +355,68 @@ struct wgt_widget *wgt_combo(struct wgt_window *win, const char **items, int num
 		SendMessage(w->handle, CB_SETCURSEL, sel, 0);
 	}
 
-	w->rect.x = x;
-	w->rect.y = y;
-	w->rect.width = width;
-	w->rect.height = max_height;
-
 	w->cb_modify = modfunc;
 	w->next = win->wlist;
 	win->wlist = w;
 	return w;
 }
 
+void wgt_checkbox_check(struct wgt_widget *w)
+{
+	SendMessage(w->handle, BM_SETCHECK, BST_CHECKED, 0);
+}
+
+void wgt_checkbox_uncheck(struct wgt_widget *w)
+{
+	SendMessage(w->handle, BM_SETCHECK, BST_UNCHECKED, 0);
+}
+
+int wgt_checkbox_checked(struct wgt_widget *w)
+{
+	return SendMessage(w->handle, BM_GETCHECK, 0, 0) == BST_CHECKED;
+}
+
+int wgt_combo_setitems(struct wgt_widget *w, const char **items, int num_items)
+{
+	int i;
+	char **newit;
+	struct wgt_rect size;
+
+	if(!(newit = malloc(num_items * sizeof *newit))) {
+		fprintf(stderr, "wgt_combo_setitems: failed to allocate item list\n");
+		return -1;
+	}
+	for(i=0; i<num_items; i++) {
+		if(!(newit[i] = strdup(items[i]))) {
+			fprintf(stderr, "wgt_combo_setitems: failed to allocate item\n");
+			while(--i >= 0) {
+				free(newit[i]);
+			}
+			free(newit);
+			return -1;
+		}
+	}
+
+	for(i=0; i<w->num_items; i++) {
+		free(w->itemlist[i]);
+	}
+	free(w->itemlist);
+	SendMessage(w->handle, CB_RESETCONTENT, 0, 0);
+
+	w->itemlist = newit;
+	w->num_items = num_items;
+
+	for(i=0; i<num_items; i++) {
+		SendMessage(w->handle, CB_ADDSTRING, 0, (long)w->itemlist[i]);
+	}
+
+	combosize(w->win, w->handle, items, num_items, w->rect.width, WGT_AUTO, &size);
+	MoveWindow(w->handle, w->rect.x, w->rect.y, w->rect.width, size.height, TRUE);
+
+	SendMessage(w->handle, CB_SETCURSEL, 0, 0);
+	return 0;
+}
+
 int wgt_combo_selected(struct wgt_widget *w)
 {
 	int sel = SendMessage(w->handle, CB_GETCURSEL, 0, 0);