ContentDB dialog: React to window info changes immediately (#15248)

builtin/mainmenu/content/dlg_contentdb.lua

@@ -496,6 +496,11 @@ local function handle_events(event)
 		return true
 	end
 
+	if event == "WindowInfoChange" then
+		ui.update()
+		return true
+	end
+
 	return false
 end
 

builtin/mainmenu/content/dlg_package.lua

@@ -305,12 +305,23 @@ local function handle_submit(this, fields)
 end
 
 
+local function handle_events(event)
+	if event == "WindowInfoChange" then
+		ui.update()
+		return true
+	end
+
+	return false
+end
+
+
 function create_package_dialog(package)
 	assert(package)
 
 	local dlg = dialog_create("package_dialog_" .. package.id,
 			get_formspec,
-			handle_submit)
+			handle_submit,
+			handle_events)
 	local data = dlg.data
 
 	data.package = package

src/gui/guiEngine.cpp

@@ -24,6 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/renderingengine.h"
 #include "client/shader.h"
 #include "client/tile.h"
+#include "clientdynamicinfo.h"
 #include "config.h"
 #include "content/content.h"
 #include "content/mods.h"
@@ -316,6 +317,7 @@ void GUIEngine::run()
 		);
 	const bool initial_window_maximized = !g_settings->getBool("fullscreen") &&
 			g_settings->getBool("window_maximized");
+	auto last_window_info = ClientDynamicInfo::getCurrent();
 
 	FpsControl fps_control;
 	f32 dtime = 0.0f;
@@ -335,6 +337,11 @@ void GUIEngine::run()
 				updateTopLeftTextSize();
 				text_height = g_fontengine->getTextHeight();
 			}
+			auto window_info = ClientDynamicInfo::getCurrent();
+			if (!window_info.equal(last_window_info)) {
+				m_script->handleMainMenuEvent("WindowInfoChange");
+				last_window_info = window_info;
+			}
 
 			driver->beginScene(true, true, RenderingEngine::MENU_SKY_COLOR);