mirror of
https://github.com/microsoft/PowerToys.git
synced 2024-12-05 04:39:08 +08:00
457 lines
12 KiB
C++
457 lines
12 KiB
C++
#include "framework.h"
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#include "FancyZones_DrawLayoutTest.h"
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#include <Uxtheme.h>
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#include <objidl.h>
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#include <gdiplus.h>
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#include <Dwmapi.h>
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#include <shellscalingapi.h>
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#include <vector>
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#include <thread>
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#include <string>
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using namespace Gdiplus;
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#pragma comment (lib,"Gdiplus.lib")
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#pragma comment (lib,"UXTheme.lib")
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#pragma comment (lib,"Dwmapi.lib")
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#pragma comment (lib,"Shcore.lib")
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constexpr int ZONE_COUNT = 4;
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constexpr int ANIMATION_TIME = 200; // milliseconds
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constexpr int DISPLAY_REFRESH_TIME = 10; // milliseconds
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constexpr DWORD Q_KEY_CODE = 0x51;
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constexpr DWORD W_KEY_CODE = 0x57;
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HWND mainWindow;
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HHOOK keyboardHook;
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bool showZoneLayout = false;
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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std::vector<RECT> zones{};
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std::vector<bool> highlighted{};
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inline const int RectWidth(const RECT& rect)
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{
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return rect.right - rect.left;
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}
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inline const int RectHeight(const RECT& rect)
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{
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return rect.bottom - rect.top;
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}
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std::vector<RECT> BuildColumnZoneLayout(int zoneCount, const RECT& workArea)
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{
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// Builds column layout with specified number of zones (columns).
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int zoneWidth = RectWidth(workArea) / zoneCount;
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int zoneHeight = RectHeight(workArea);
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std::vector<RECT> zones(zoneCount);
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for (int i = 0; i < zoneCount; ++i)
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{
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int left = workArea.left + i * zoneWidth;
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int top = workArea.top;
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int right = left + zoneWidth;
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int bottom = top + zoneHeight;
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zones[i] = { left, top, right, bottom };
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}
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return zones;
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}
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int GetHighlightedZoneIdx(const std::vector<RECT>& zones, const POINT& cursorPosition)
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{
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// Determine which zone should be highlighted based on cursor position.
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for (size_t i = 0; i < zones.size(); ++i)
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{
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if (cursorPosition.x >= zones[i].left && cursorPosition.x < zones[i].right)
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{
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return i;
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}
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}
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return -1;
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}
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void ShowZoneWindow()
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{
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// InvalidateRect will essentially send WM_PAINT to main window.
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UINT flags = SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE;
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SetWindowPos(mainWindow, nullptr, 0, 0, 0, 0, flags);
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std::thread{ [=]() {
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AnimateWindow(mainWindow, ANIMATION_TIME, AW_BLEND);
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InvalidateRect(mainWindow, nullptr, true);
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} }.detach();
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}
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void HideZoneWindow()
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{
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highlighted = std::vector<bool>(ZONE_COUNT, false);
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ShowWindow(mainWindow, SW_HIDE);
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}
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void RefreshMainWindow()
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{
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while (1)
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{
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std::this_thread::sleep_for(std::chrono::milliseconds(DISPLAY_REFRESH_TIME));
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POINT cursorPosition{};
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if (GetCursorPos(&cursorPosition))
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{
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if (showZoneLayout)
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{
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int idx = GetHighlightedZoneIdx(zones, cursorPosition);
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if (idx != -1)
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{
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if (highlighted[idx]) {
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// Same zone is active as in previous check, skip invalidating rect.
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}
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else
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{
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highlighted = std::vector<bool>(ZONE_COUNT, false);
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highlighted[idx] = true;
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ShowZoneWindow();
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}
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}
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}
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}
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}
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}
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LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
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{
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if (nCode == HC_ACTION && wParam == WM_KEYDOWN)
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{
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PKBDLLHOOKSTRUCT info = reinterpret_cast<KBDLLHOOKSTRUCT*>(lParam);
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if (info->vkCode == Q_KEY_CODE)
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{
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PostQuitMessage(0);
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return 1;
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}
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else if (info->vkCode == W_KEY_CODE)
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{
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// Toggle zone layout display.
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showZoneLayout = !showZoneLayout;
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if (showZoneLayout)
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{
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ShowZoneWindow();
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}
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else
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{
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HideZoneWindow();
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}
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return 1;
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}
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}
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return CallNextHookEx(nullptr, nCode, wParam, lParam);
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}
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void StartLowLevelKeyboardHook()
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{
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keyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandle(nullptr), 0);
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}
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void StopLowLevelKeyboardHook()
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{
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if (keyboardHook)
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{
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UnhookWindowsHookEx(keyboardHook);
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keyboardHook = nullptr;
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}
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}
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inline void MakeWindowTransparent(HWND window)
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{
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int const pos = -GetSystemMetrics(SM_CXVIRTUALSCREEN) - 8;
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if (HRGN hrgn{ CreateRectRgn(pos, 0, (pos + 1), 1) })
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{
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DWM_BLURBEHIND bh = { DWM_BB_ENABLE | DWM_BB_BLURREGION, TRUE, hrgn, FALSE };
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DwmEnableBlurBehindWindow(window, &bh);
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}
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}
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void RegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSEXW wcex{};
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.lpfnWndProc = WndProc;
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wcex.hInstance = hInstance;
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wcex.lpszClassName = L"DrawRectangle_Test";
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wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
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RegisterClassExW(&wcex);
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}
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bool InitInstance(HINSTANCE hInstance, int nCmdShow)
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{
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MONITORINFO mi{};
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mi.cbSize = sizeof(mi);
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if (!GetMonitorInfo(MonitorFromWindow(nullptr, MONITOR_DEFAULTTOPRIMARY), &mi)) {
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return false;
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}
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mainWindow = CreateWindowExW(WS_EX_TOOLWINDOW,
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L"DrawRectangle_Test",
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L"",
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WS_POPUP,
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mi.rcWork.left,
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mi.rcWork.top,
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RectWidth(mi.rcWork),
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RectHeight(mi.rcWork),
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nullptr,
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nullptr,
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hInstance,
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nullptr);
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if (mainWindow)
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{
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MakeWindowTransparent(mainWindow);
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return true;
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}
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return false;
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}
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int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
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_In_opt_ HINSTANCE hPrevInstance,
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_In_ LPWSTR lpCmdLine,
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_In_ int nCmdShow)
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{
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UNREFERENCED_PARAMETER(hPrevInstance);
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UNREFERENCED_PARAMETER(lpCmdLine);
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GdiplusStartupInput gdiplusStartupInput;
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ULONG_PTR gdiplusToken;
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GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, nullptr);
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SetProcessDpiAwareness(PROCESS_DPI_UNAWARE);
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StartLowLevelKeyboardHook();
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RegisterClass(hInstance);
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if (!InitInstance(hInstance, nCmdShow))
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{
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return 0;
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}
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RECT clientRect{};
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GetClientRect(mainWindow, &clientRect);
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zones = BuildColumnZoneLayout(ZONE_COUNT, clientRect);
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highlighted = std::vector<bool>(ZONE_COUNT, false);
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// Invoke main window re-drawing from separate thread (based on changes in cursor position).
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std::thread refreshThread = std::thread(RefreshMainWindow);
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refreshThread.detach();
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HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_FANCYZONESDRAWLAYOUTTEST));
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MSG msg{};
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while (GetMessage(&msg, nullptr, 0, 0))
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{
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if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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StopLowLevelKeyboardHook();
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GdiplusShutdown(gdiplusToken);
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return (int)msg.wParam;
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}
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struct ColorSetting
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{
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BYTE fillAlpha{};
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COLORREF fill{};
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BYTE borderAlpha{};
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COLORREF border{};
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int thickness{};
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};
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inline void InitRGB(_Out_ RGBQUAD* quad, BYTE alpha, COLORREF color)
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{
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ZeroMemory(quad, sizeof(*quad));
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quad->rgbReserved = alpha;
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quad->rgbRed = GetRValue(color) * alpha / 255;
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quad->rgbGreen = GetGValue(color) * alpha / 255;
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quad->rgbBlue = GetBValue(color) * alpha / 255;
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}
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inline void FillRectARGB(HDC hdc, const RECT& prcFill, BYTE alpha, COLORREF color, bool blendAlpha)
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{
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BITMAPINFO bi;
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ZeroMemory(&bi, sizeof(bi));
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bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bi.bmiHeader.biWidth = 1;
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bi.bmiHeader.biHeight = 1;
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bi.bmiHeader.biPlanes = 1;
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bi.bmiHeader.biBitCount = 32;
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bi.bmiHeader.biCompression = BI_RGB;
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RECT fillRect;
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CopyRect(&fillRect, &prcFill);
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RGBQUAD bitmapBits;
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InitRGB(&bitmapBits, alpha, color);
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StretchDIBits(
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hdc,
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fillRect.left,
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fillRect.top,
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fillRect.right - fillRect.left,
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fillRect.bottom - fillRect.top,
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0,
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0,
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1,
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1,
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&bitmapBits,
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&bi,
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DIB_RGB_COLORS,
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SRCCOPY);
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}
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void DrawBackdrop(HDC& hdc, const RECT& clientRect)
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{
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FillRectARGB(hdc, clientRect, 0, RGB(0, 0, 0), false);
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}
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void DrawIndex(HDC hdc, const RECT& rect, size_t index)
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{
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Gdiplus::Graphics g(hdc);
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Gdiplus::FontFamily fontFamily(L"Segoe ui");
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Gdiplus::Font font(&fontFamily, 80, Gdiplus::FontStyleRegular, Gdiplus::UnitPixel);
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Gdiplus::SolidBrush solidBrush(Gdiplus::Color(255, 0, 0, 0));
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std::wstring text = std::to_wstring(index);
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g.SetTextRenderingHint(Gdiplus::TextRenderingHintAntiAlias);
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Gdiplus::StringFormat stringFormat = new Gdiplus::StringFormat();
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stringFormat.SetAlignment(Gdiplus::StringAlignmentCenter);
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stringFormat.SetLineAlignment(Gdiplus::StringAlignmentCenter);
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Gdiplus::RectF gdiRect(
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static_cast<Gdiplus::REAL>(rect.left),
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static_cast<Gdiplus::REAL>(rect.top),
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static_cast<Gdiplus::REAL>(RectWidth(rect)),
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static_cast<Gdiplus::REAL>(RectHeight(rect)));
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g.DrawString(text.c_str(), -1, &font, gdiRect, &stringFormat, &solidBrush);
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}
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void DrawZone(HDC hdc, const ColorSetting& colorSetting, const RECT& rect, size_t index)
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{
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Gdiplus::Graphics g(hdc);
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Gdiplus::Color fillColor(colorSetting.fillAlpha, GetRValue(colorSetting.fill), GetGValue(colorSetting.fill), GetBValue(colorSetting.fill));
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Gdiplus::Color borderColor(colorSetting.borderAlpha, GetRValue(colorSetting.border), GetGValue(colorSetting.border), GetBValue(colorSetting.border));
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Gdiplus::Rect rectangle(rect.left, rect.top, RectWidth(rect), RectHeight(rect));
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Gdiplus::Pen pen(borderColor, static_cast<Gdiplus::REAL>(colorSetting.thickness));
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g.FillRectangle(new Gdiplus::SolidBrush(fillColor), rectangle);
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g.DrawRectangle(&pen, rectangle);
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DrawIndex(hdc, rect, index);
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}
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inline BYTE OpacitySettingToAlpha(int opacity)
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{
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return static_cast<BYTE>(opacity * 2.55);
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}
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COLORREF ParseColor(const std::wstring& zoneColor)
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{
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// Skip the leading # and convert to long
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const auto color = zoneColor;
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const auto tmp = std::stol(color.substr(1), nullptr, 16);
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const auto nR = (tmp & 0xFF0000) >> 16;
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const auto nG = (tmp & 0xFF00) >> 8;
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const auto nB = (tmp & 0xFF);
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return RGB(nR, nG, nB);
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}
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static int highlightedIdx = -1;
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void OnPaint(HDC hdc)
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{
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int zoneOpacity = 50;
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std::wstring zoneColor = L"#0078D7";
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std::wstring zoneBorderColor = L"#FFFFFF";
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std::wstring zoneHighlightColor = L"#F5FCFF";
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ColorSetting color{ OpacitySettingToAlpha(zoneOpacity),
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ParseColor(zoneColor),
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255,
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ParseColor(zoneBorderColor),
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-2 };
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ColorSetting highlight{ OpacitySettingToAlpha(zoneOpacity),
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ParseColor(zoneHighlightColor),
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255,
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ParseColor(zoneBorderColor),
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-2 };
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HMONITOR monitor = MonitorFromWindow(nullptr, MONITOR_DEFAULTTOPRIMARY);
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MONITORINFOEX mi;
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mi.cbSize = sizeof(mi);
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GetMonitorInfo(monitor, &mi);
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HDC hdcMem{ nullptr };
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HPAINTBUFFER bufferedPaint = BeginBufferedPaint(hdc, &mi.rcWork, BPBF_TOPDOWNDIB, nullptr, &hdcMem);
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if (bufferedPaint)
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{
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DrawBackdrop(hdcMem, mi.rcWork);
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for (size_t i = 0; i < zones.size(); ++i)
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{
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if (highlighted[i])
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{
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DrawZone(hdcMem, color, zones[i], i);
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}
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else
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{
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DrawZone(hdcMem, highlight, zones[i], i);
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}
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}
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EndBufferedPaint(bufferedPaint, TRUE);
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}
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}
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LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (message)
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{
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case WM_NCDESTROY:
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{
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DefWindowProc(mainWindow, message, wParam, lParam);
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SetWindowLongPtr(mainWindow, GWLP_USERDATA, 0);
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}
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break;
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case WM_ERASEBKGND:
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return 1;
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case WM_PRINTCLIENT:
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint(hWnd, &ps);
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OnPaint(hdc);
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EndPaint(hWnd, &ps);
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}
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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