Project Manager: Added project list scrolling with keyboard

2 files changed, 135 insertions, 0 deletions

diff --git a/tools/editor/project_manager.cpp b/tools/editor/project_manager.cpp
index b7d3abfd5b..caf116523a 100644
--- a/tools/editor/project_manager.cpp
+++ b/tools/editor/project_manager.cpp
@@ -31,6 +31,7 @@
 #include "os/os.h"
 #include "os/dir_access.h"
 #include "os/file_access.h"
+#include "os/keyboard.h"
 #include "editor_settings.h"
 #include "scene/gui/separator.h"
 #include "scene/gui/tool_button.h"
@@ -491,6 +492,10 @@ void ProjectManager::_notification(int p_what) {
 	if (p_what==NOTIFICATION_ENTER_TREE) {
 
 		get_tree()->set_editor_hint(true);
+
+	} else if (p_what==NOTIFICATION_VISIBILITY_CHANGED) {
+
+		set_process_unhandled_input(is_visible());
 	}
 }
 
@@ -576,6 +581,134 @@ void ProjectManager::_panel_input(const InputEvent& p_ev,Node *p_hb) {
 	}
 }
 
+void ProjectManager::_unhandled_input(const InputEvent& p_ev) {
+
+	if (p_ev.type==InputEvent::KEY) {
+
+		const InputEventKey &k = p_ev.key;
+
+		if (!k.pressed)
+			return;
+
+		bool scancode_handled = true;
+
+		switch (k.scancode) {
+
+			case KEY_HOME: {
+
+				for (int i=0; i<scroll_childs->get_child_count(); i++) {
+
+					HBoxContainer *hb = scroll_childs->get_child(i)->cast_to<HBoxContainer>();
+					if (hb) {
+						selected_list.clear();
+						selected_list.insert(hb->get_meta("name"), hb->get_meta("main_scene"));
+						scroll->set_v_scroll(0);
+						break;
+					}
+				}
+
+			} break;
+			case KEY_END: {
+
+				for (int i=scroll_childs->get_child_count()-1; i>=0; i--) {
+
+					HBoxContainer *hb = scroll_childs->get_child(i)->cast_to<HBoxContainer>();
+					if (hb) {
+						selected_list.clear();
+						selected_list.insert(hb->get_meta("name"), hb->get_meta("main_scene"));
+						scroll->set_v_scroll(scroll_childs->get_size().y);
+						break;
+					}
+				}
+
+			} break;
+			case KEY_UP: {
+
+				if (k.mod.shift)
+					break;
+
+				if (selected_list.size()) {
+
+					bool found = false;
+
+					for (int i=scroll_childs->get_child_count()-1; i>=0; i--) {
+
+						HBoxContainer *hb = scroll_childs->get_child(i)->cast_to<HBoxContainer>();
+						if (!hb) continue;
+
+						String current = hb->get_meta("name");
+
+						if (found) {
+							selected_list.clear();
+							selected_list.insert(current, hb->get_meta("main_scene"));
+
+							int offset_diff = scroll->get_v_scroll() - hb->get_pos().y;
+
+							if (offset_diff > 0)
+								scroll->set_v_scroll(scroll->get_v_scroll() - offset_diff);
+
+							break;
+
+						} else if (current==selected_list.back()->key()) {
+
+							found = true;
+						}
+					}
+
+					break;
+				}
+				// else fallthrough to key_down
+			}
+			case KEY_DOWN: {
+
+				if (k.mod.shift)
+					break;
+
+				bool found = selected_list.empty();
+
+				for (int i=0; i<scroll_childs->get_child_count(); i++) {
+
+					HBoxContainer *hb = scroll_childs->get_child(i)->cast_to<HBoxContainer>();
+					if (!hb) continue;
+
+					String current = hb->get_meta("name");
+
+					if (found) {
+						selected_list.clear();
+						selected_list.insert(current, hb->get_meta("main_scene"));
+
+						int last_y_visible = scroll->get_v_scroll() + scroll->get_size().y;
+						int offset_diff = (hb->get_pos().y + hb->get_size().y) - last_y_visible;
+
+						if (offset_diff > 0)
+							scroll->set_v_scroll(scroll->get_v_scroll() + offset_diff);
+
+						break;
+
+					} else if (current==selected_list.back()->key()) {
+
+						found = true;
+					}
+				}
+
+			} break;
+			default: {
+				scancode_handled = false;
+			} break;
+		}
+
+		if (scancode_handled) {
+			accept_event();
+
+			for(int i=0;i<scroll_childs->get_child_count();i++) {
+				CanvasItem *item = scroll_childs->get_child(i)->cast_to<CanvasItem>();
+				if (item)
+					item->update();
+			}
+		}
+	}
+}
+
 void ProjectManager::_favorite_pressed(Node *p_hb) {
 
 	String clicked = p_hb->get_meta("name");
@@ -964,6 +1097,7 @@ void ProjectManager::_bind_methods() {
 	ObjectTypeDB::bind_method("_load_recent_projects",&ProjectManager::_load_recent_projects);
 	ObjectTypeDB::bind_method("_panel_draw",&ProjectManager::_panel_draw);
 	ObjectTypeDB::bind_method("_panel_input",&ProjectManager::_panel_input);
+	ObjectTypeDB::bind_method("_unhandled_input",&ProjectManager::_unhandled_input);
 	ObjectTypeDB::bind_method("_favorite_pressed",&ProjectManager::_favorite_pressed);
 	ObjectTypeDB::bind_method("_install_project",&ProjectManager::_install_project);
 
diff --git a/tools/editor/project_manager.h b/tools/editor/project_manager.h
index 69467f50e7..74d1d3693c 100644
--- a/tools/editor/project_manager.h
+++ b/tools/editor/project_manager.h
@@ -92,6 +92,7 @@ class ProjectManager : public Control {
 
 	void _panel_draw(Node *p_hb);
 	void _panel_input(const InputEvent& p_ev,Node *p_hb);
+	void _unhandled_input(const InputEvent& p_ev);
 	void _favorite_pressed(Node *p_hb);
 
 protected: