Add -borderless command line argument (#21)

If user passes `-borderless` to the game exe start with borderless mode enabled.
Steam Deck doesn't have a keyboard so it is helpful here.
#20

README.md

@@ -14,7 +14,7 @@ This is a custom d3d9.dll that enables more display modes for the three second e
 
 ### Switch display modes
 1. Start the game
-2. Press F5 to switch the mode
+2. Press F5 to switch between bordered and borderless windowed mode.
 
 ### Toggle Always on Top
 1. Start the game
@@ -26,6 +26,9 @@ This is a custom d3d9.dll that enables more display modes for the three second e
 
 This can be useful if you want to interact with the TRAE Menu Hook.
 
+### Command Line Arguments
+Passing `-borderless` to the game exe will launch the game in borderless window mode (as if you had started the game and pressed the toggle button). This can be set via "Launch Options" in Steam.
+
 ## Information for developers
 ### Build
 You need Visual Studio to compile the dll. Just import the ```trashim.sln``` project file. Before you start the build you have to change the active configuration to "Release" and "Win32" as target platform.

trashim/TRAWindowed.cpp

@@ -3,6 +3,8 @@
 
 #include <detours.h>
 #include <windowsx.h>
+#include <shellapi.h>
+#include <algorithm>
 
 namespace trashim
 {
@@ -252,6 +254,13 @@ namespace trashim
             }
             return CallWindowProc(original_wndproc, window, msg, wParam, lParam);
         }
+
+        bool should_start_borderless()
+        {
+            int number_of_arguments = 0;
+            const auto const args = CommandLineToArgvW(GetCommandLine(), &number_of_arguments);
+            return args != nullptr && std::any_of(args, args + number_of_arguments, [](auto str) { return wcsstr(str, L"-borderless") != nullptr; });
+        }
     }
 
     void initialise_shim(HWND window, uint32_t back_buffer_width, uint32_t back_buffer_height, uint32_t display_width, uint32_t display_height, bool vsync, uint32_t framerate)
@@ -261,6 +270,10 @@ namespace trashim
         {
             game_window = window;
             SetWindowLongPtr(game_window, GWL_STYLE, windowed_style);
+            if (should_start_borderless())
+            {
+                toggle_border();
+            }
             original_wndproc = (WNDPROC)SetWindowLongPtr(window, GWLP_WNDPROC, (LONG_PTR)subclass_wndproc);
 
             // Only detour the first time.

trashim/trashim.rc

@@ -51,8 +51,8 @@ END
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,4,0,0
- PRODUCTVERSION 1,4,0,0
+ FILEVERSION 1,5,0,0
+ PRODUCTVERSION 1,5,0,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -69,12 +69,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "https://github.com/chreden/trawindowed"
             VALUE "FileDescription", "Windowed DLL for TR LAU"
-            VALUE "FileVersion", "1.4.0.0"
+            VALUE "FileVersion", "1.5.0.0"
             VALUE "InternalName", "d3d9.dll"
-            VALUE "LegalCopyright", "Copyright (C) 2022"
+            VALUE "LegalCopyright", "Copyright (C) 2024"
             VALUE "OriginalFilename", "d3d9.dll"
             VALUE "ProductName", "chreden/trawindowed"
-            VALUE "ProductVersion", "1.4.0.0"
+            VALUE "ProductVersion", "1.5.0.0"
         END
     END
     BLOCK "VarFileInfo"