From 47c4777ccf0625129b6ab35c6fe96d105d7c18fa Mon Sep 17 00:00:00 2001
From: Poommetee Ketson <poommetee@protonmail.com>
Date: Fri, 21 Jul 2017 13:17:06 +0700
Subject: Enhanched About dialog, Add ItemList auto_height

Add set/has_auto_height for ItemList to automatically set minimum
size by content.
Add hash to About dialog.
Resize About dialog so that dev list appears in 3 columns.
---
 scene/gui/item_list.cpp | 34 +++++++++++++++++++++++++++++++---
 scene/gui/item_list.h   |  8 ++++++++
 2 files changed, 39 insertions(+), 3 deletions(-)

(limited to 'scene')

diff --git a/scene/gui/item_list.cpp b/scene/gui/item_list.cpp
index eff9d801b6..97f49da2be 100644
--- a/scene/gui/item_list.cpp
+++ b/scene/gui/item_list.cpp
@@ -28,8 +28,8 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "item_list.h"
-#include "project_settings.h"
 #include "os/os.h"
+#include "project_settings.h"
 
 void ItemList::add_item(const String &p_item, const Ref<Texture> &p_texture, bool p_selectable) {
 
@@ -743,12 +743,10 @@ void ItemList::_notification(int p_what) {
 
 		Size2 size = get_size();
 
-		float page = size.height - bg->get_minimum_size().height;
 		int width = size.width - bg->get_minimum_size().width;
 		if (scroll_bar->is_visible()) {
 			width -= mw + bg->get_margin(MARGIN_RIGHT);
 		}
-		scroll_bar->set_page(page);
 
 		draw_style_box(bg, Rect2(Point2(), size));
 
@@ -883,8 +881,12 @@ void ItemList::_notification(int p_what) {
 				}
 
 				if (all_fit) {
+					float page = size.height - bg->get_minimum_size().height;
 					float max = MAX(page, ofs.y + max_h);
+					if (auto_height)
+						auto_height_value = ofs.y + max_h + bg->get_minimum_size().height;
 					scroll_bar->set_max(max);
+					scroll_bar->set_page(page);
 					//print_line("max: "+rtos(max)+" page "+rtos(page));
 					if (max <= page) {
 						scroll_bar->set_value(0);
@@ -1253,6 +1255,26 @@ Array ItemList::_get_items() const {
 	return items;
 }
 
+Size2 ItemList::get_minimum_size() const {
+
+	if (auto_height) {
+		return Size2(0, auto_height_value);
+	}
+	return Size2();
+}
+
+void ItemList::set_auto_height(bool p_enable) {
+
+	auto_height = p_enable;
+	shape_changed = true;
+	update();
+}
+
+bool ItemList::has_auto_height() const {
+
+	return auto_height;
+}
+
 void ItemList::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("add_item", "text", "icon:Texture", "selectable"), &ItemList::add_item, DEFVAL(Variant()), DEFVAL(true));
@@ -1323,6 +1345,9 @@ void ItemList::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_allow_rmb_select", "allow"), &ItemList::set_allow_rmb_select);
 	ClassDB::bind_method(D_METHOD("get_allow_rmb_select"), &ItemList::get_allow_rmb_select);
 
+	ClassDB::bind_method(D_METHOD("set_auto_height", "enable"), &ItemList::set_auto_height);
+	ClassDB::bind_method(D_METHOD("has_auto_height"), &ItemList::has_auto_height);
+
 	ClassDB::bind_method(D_METHOD("get_item_at_pos", "pos", "exact"), &ItemList::get_item_at_pos, DEFVAL(false));
 
 	ClassDB::bind_method(D_METHOD("ensure_current_is_visible"), &ItemList::ensure_current_is_visible);
@@ -1340,6 +1365,7 @@ void ItemList::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "select_mode", PROPERTY_HINT_ENUM, "Single,Multi"), "set_select_mode", "get_select_mode");
 	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "allow_rmb_select"), "set_allow_rmb_select", "get_allow_rmb_select");
 	ADD_PROPERTYNO(PropertyInfo(Variant::INT, "max_text_lines"), "set_max_text_lines", "get_max_text_lines");
+	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "auto_height"), "set_auto_height", "has_auto_height");
 	ADD_GROUP("Columns", "");
 	ADD_PROPERTYNO(PropertyInfo(Variant::INT, "max_columns"), "set_max_columns", "get_max_columns");
 	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "same_column_width"), "set_same_column_width", "is_same_column_width");
@@ -1372,6 +1398,8 @@ ItemList::ItemList() {
 	same_column_width = false;
 	max_text_lines = 1;
 	max_columns = 1;
+	auto_height = false;
+	auto_height_value = 0.0f;
 
 	scroll_bar = memnew(VScrollBar);
 	add_child(scroll_bar);
diff --git a/scene/gui/item_list.h b/scene/gui/item_list.h
index 9cb7016b60..137eff8885 100644
--- a/scene/gui/item_list.h
+++ b/scene/gui/item_list.h
@@ -78,6 +78,9 @@ private:
 	bool ensure_selected_visible;
 	bool same_column_width;
 
+	bool auto_height;
+	float auto_height_value;
+
 	Vector<Item> items;
 	Vector<int> separators;
 
@@ -198,6 +201,11 @@ public:
 	void set_icon_scale(real_t p_scale);
 	real_t get_icon_scale() const;
 
+	void set_auto_height(bool p_enable);
+	bool has_auto_height() const;
+
+	Size2 get_minimum_size() const;
+
 	VScrollBar *get_v_scroll() { return scroll_bar; }
 
 	ItemList();
-- 
cgit v1.2.3