simplify implementation by using App::Canvas

SporeBorderless/dllmain.cpp

@@ -1,57 +1,25 @@
 // dllmain.cpp : Defines the entry point for the DLL application.
 #include "stdafx.h"
 
-//
-// Internal Variables
-//
-
-static HWND l_SporeWindowHandle = nullptr;
-
-//
-// Internal Functions
-//
-
-static BOOL CALLBACK enum_windows_proc_callback(HWND hWnd, LPARAM lParam)
-{
-	if (l_SporeWindowHandle != nullptr)
-	{
-		return TRUE;
-	}
-
-	DWORD processId;
-	HRESULT res = GetWindowThreadProcessId(hWnd, &processId);
-
-	if (res != 0 &&
-		processId == lParam)
-	{
-		// only match windows with SPORE in the name
-		char windowTitle[256+1] = { 0 };
-
-		GetWindowTextA(hWnd, windowTitle, 256);
-
-		if (strstr(windowTitle, "SPORE") != nullptr)
-		{
-			l_SporeWindowHandle = hWnd;
-		}
-	}
-
-	return TRUE;
-}
+#include <Spore/App/Canvas.h>
 
 //
 // Exported Functions
 //
 
 void Initialize()
 {
-	EnumWindows(enum_windows_proc_callback, GetCurrentProcessId());
-	if (l_SporeWindowHandle == nullptr)
+	App::Canvas* appCanvas = App::Canvas::Get();
+	if (appCanvas == nullptr)
 	{
-		MessageBoxA(nullptr, "couldn't find window handle!", "SporeBorderless", MB_OK | MB_ICONERROR);
+		MessageBoxA(nullptr, "couldn't retrieve app canvas!", "SporeBorderless", MB_OK | MB_ICONERROR);
 		return;
 	}
 
-	LONG windowFlags = GetWindowLongA(l_SporeWindowHandle, GWL_STYLE);
+	HWND windowHandle      = appCanvas->GetWindow();
+	HMONITOR monitorHandle = appCanvas->GetMonitor();
+
+	LONG windowFlags = GetWindowLongA(windowHandle, GWL_STYLE);
 	if (windowFlags == 0)
 	{
 		MessageBoxA(nullptr, "couldn't retrieve window flags!", "SporeBorderless", MB_OK | MB_ICONERROR);
@@ -61,30 +29,28 @@ void Initialize()
 	windowFlags &= ~WS_BORDER;
 	windowFlags &= ~WS_CAPTION;
 
-	LONG ret = SetWindowLongA(l_SporeWindowHandle, GWL_STYLE, windowFlags);
+	LONG ret = SetWindowLongA(windowHandle, GWL_STYLE, windowFlags);
 	if (ret == 0)
 	{
 		MessageBoxA(nullptr, "couldn't apply new window flags!", "SporeBorderless", MB_OK | MB_ICONERROR);
 		return;
 	}
 
-	HMONITOR hMonitor = MonitorFromWindow(l_SporeWindowHandle, MONITOR_DEFAULTTOPRIMARY);
-
-	MONITORINFO hMonitorInfo;
-	hMonitorInfo.cbSize = sizeof(MONITORINFO);
-	BOOL res = GetMonitorInfoA(hMonitor, &hMonitorInfo);
+	MONITORINFO monitorInfo;
+	monitorInfo.cbSize = sizeof(MONITORINFO);
+	BOOL res = GetMonitorInfoA(monitorHandle, &monitorInfo);
 	if (res == FALSE)
 	{
 		MessageBoxA(nullptr, "couldn't retrieve monitor information!", "SporeBorderless", MB_OK | MB_ICONERROR);
 		return;
 	}
 
-	const int width  = hMonitorInfo.rcMonitor.right - hMonitorInfo.rcMonitor.left;
-	const int height = hMonitorInfo.rcMonitor.bottom - hMonitorInfo.rcMonitor.top;
-	res = SetWindowPos(l_SporeWindowHandle, HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
+	const int width  = monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left;
+	const int height = monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top;
+	res = SetWindowPos(windowHandle, HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
 	if (res == FALSE)
 	{
-		MessageBoxA(nullptr, "couldn't refresh window to force window flag change!", "SporeBorderless", MB_OK | MB_ICONERROR);
+		MessageBoxA(nullptr, "couldn't set window position and size!", "SporeBorderless", MB_OK | MB_ICONERROR);
 		return;
 	}
 }