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keycast.cpp
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keycast.cpp
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// Copyright © 2014 Brook Hong. All Rights Reserved.
//
// msbuild /p:platform=win32 /p:Configuration=Release
// msbuild keycastow.vcxproj /t:Clean
// rc keycastow.rc && cl -DUNICODE -D_UNICODE keycast.cpp keylog.cpp keycastow.res user32.lib shell32.lib gdi32.lib Comdlg32.lib comctl32.lib
#include <windows.h>
#include <windowsx.h>
#include <Commctrl.h>
#include <stdio.h>
#include <DbgHelp.h>
#pragma comment(lib, "DbgHelp.lib")
#include <gdiplus.h>
using namespace Gdiplus;
#include "resource.h"
#include "timer.h"
CTimer showTimer;
CTimer previewTimer;
WCHAR iniFile[MAX_PATH];
#define MAXCHARS 4096
WCHAR textBuffer[MAXCHARS];
LPCWSTR textBufferEnd = textBuffer + MAXCHARS;
struct KeyLabel {
RectF rect;
WCHAR *text;
DWORD length;
int time;
BOOL fade;
KeyLabel() {
text = textBuffer;
length = 0;
}
};
struct LabelSettings {
DWORD keyStrokeDelay;
DWORD lingerTime;
DWORD fadeDuration;
LOGFONT font;
COLORREF bgColor, textColor, borderColor;
DWORD bgOpacity, textOpacity, borderOpacity;
int borderSize;
int cornerSize;
};
LabelSettings labelSettings, previewLabelSettings;
DWORD labelSpacing;
BOOL visibleShift = FALSE;
BOOL visibleModifier = TRUE;
BOOL mouseCapturing = TRUE;
BOOL mouseCapturingMod = FALSE;
BOOL keyAutoRepeat = TRUE;
BOOL mergeMouseActions = TRUE;
int alignment = 1;
BOOL onlyCommandKeys = FALSE;
BOOL positioning = FALSE;
BOOL draggableLabel = FALSE;
UINT tcModifiers = MOD_ALT;
UINT tcKey = 0x42; // 0x42 is 'b'
Color clearColor(0, 127, 127, 127);
#define BRANDINGMAX 256
WCHAR branding[BRANDINGMAX];
WCHAR comboChars[4];
POINT deskOrigin;
#define MAXLABELS 60
KeyLabel keyLabels[MAXLABELS];
DWORD maximumLines = 10;
DWORD labelCount = 0;
RECT desktopRect;
SIZE canvasSize;
POINT canvasOrigin;
#include "keycast.h"
#include "keylog.h"
WCHAR *szWinName = L"KeyCastOW";
HWND hMainWnd;
HWND hDlgSettings;
RECT settingsDlgRect;
HWND hWndStamp;
HINSTANCE hInstance;
Graphics * gCanvas = NULL;
Font * fontPlus = NULL;
#define IDI_TRAY 100
#define WM_TRAYMSG 101
#define MENU_CONFIG 32
#define MENU_EXIT 33
#define MENU_RESTORE 34
void showText(LPCWSTR text, int behavior);
#ifdef _DEBUG
WCHAR capFile[MAX_PATH];
FILE *capStream = NULL;
WCHAR recordFN[MAX_PATH];
int replayStatus = 0;
#define MENU_REPLAY 35
struct Displayed {
DWORD tm;
int behavior;
size_t len;
Displayed(DWORD t, int b, size_t l) {
tm = t;
behavior = b;
len = l;
}
};
DWORD WINAPI replay(LPVOID ptr)
{
replayStatus = 1;
FILE *stream;
WCHAR tmp[256];
errno_t err = _wfopen_s(&stream, (LPCWSTR)ptr, L"rb");
Displayed dp(0, 0, 0);
fread(&dp, sizeof(Displayed), 1, stream);
fread(tmp, sizeof(WCHAR), dp.len, stream);
showText(tmp, dp.behavior);
DWORD lastTm = dp.tm;
while(replayStatus == 1 && fread(&dp, sizeof(Displayed), 1, stream) == 1) {
Sleep(dp.tm - lastTm);
lastTm = dp.tm;
fread(tmp, sizeof(WCHAR), dp.len, stream);
tmp[dp.len] = '\0';
showText(tmp, dp.behavior);
}
fclose(stream);
replayStatus = 0;
return 0;
}
#include <sstream>
WCHAR logFile[MAX_PATH];
FILE *logStream;
void log(const std::stringstream & line) {
fprintf(logStream,"%s",line.str().c_str());
}
#endif
void stamp(HWND hwnd, LPCWSTR text) {
RECT rt;
GetWindowRect(hwnd,&rt);
HDC hdc = GetDC(hwnd);
HDC memDC = ::CreateCompatibleDC(hdc);
HBITMAP memBitmap = ::CreateCompatibleBitmap(hdc, desktopRect.right - desktopRect.left, desktopRect.bottom - desktopRect.top);
::SelectObject(memDC,memBitmap);
Graphics g(memDC);
g.SetSmoothingMode(SmoothingModeAntiAlias);
g.SetTextRenderingHint(TextRenderingHintAntiAlias);
g.Clear(clearColor);
RectF rc((REAL)labelSettings.borderSize, (REAL)labelSettings.borderSize, 0.0, 0.0);
SizeF stringSize, layoutSize((REAL)desktopRect.right - desktopRect.left-2*labelSettings.borderSize, (REAL)desktopRect.bottom - desktopRect.top-2*labelSettings.borderSize);
StringFormat format;
format.SetAlignment(StringAlignmentCenter);
g.MeasureString(text, wcslen(text), fontPlus, layoutSize, &format, &stringSize);
rc.Width = stringSize.Width;
rc.Height = stringSize.Height;
SIZE wndSize = {2*labelSettings.borderSize+(LONG)rc.Width, 2*labelSettings.borderSize+(LONG)rc.Height};
SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, wndSize.cx, wndSize.cy, SWP_NOMOVE|SWP_NOACTIVATE);
SolidBrush bgBrush(Color::Color(0xaf007cfe));
g.FillRectangle(&bgBrush, rc);
SolidBrush textBrushPlus(Color(0xaf303030));
g.DrawString(text, wcslen(text), fontPlus, rc, &format, &textBrushPlus);
SolidBrush brushPlus(Color::Color(0xaffefefe));
rc.X += 2;
rc.Y += 2;
g.DrawString(text, wcslen(text), fontPlus, rc, &format, &brushPlus);
POINT ptSrc = {0, 0};
POINT ptDst = {rt.left, rt.top};
BLENDFUNCTION blendFunction;
blendFunction.AlphaFormat = AC_SRC_ALPHA;
blendFunction.BlendFlags = 0;
blendFunction.BlendOp = AC_SRC_OVER;
blendFunction.SourceConstantAlpha = 255;
::UpdateLayeredWindow(hwnd,hdc,&ptDst,&wndSize,memDC,&ptSrc,0,&blendFunction,2);
::DeleteDC(memDC);
::DeleteObject(memBitmap);
ReleaseDC(hwnd, hdc);
}
void updateLayeredWindow(HWND hwnd) {
POINT ptSrc = {0, 0};
BLENDFUNCTION blendFunction;
blendFunction.AlphaFormat = AC_SRC_ALPHA;
blendFunction.BlendFlags = 0;
blendFunction.BlendOp = AC_SRC_OVER;
blendFunction.SourceConstantAlpha = 255;
HDC hdcBuf = gCanvas->GetHDC();
HDC hdc = GetDC(hwnd);
::UpdateLayeredWindow(hwnd,hdc,&canvasOrigin,&canvasSize,hdcBuf,&ptSrc,0,&blendFunction,2);
ReleaseDC(hwnd, hdc);
gCanvas->ReleaseHDC(hdcBuf);
}
void eraseLabel(int i) {
RectF &rt = keyLabels[i].rect;
RectF rc(rt.X-labelSettings.borderSize, rt.Y-labelSettings.borderSize, rt.Width+2*labelSettings.borderSize+1, rt.Height+2*labelSettings.borderSize+1);
gCanvas->SetClip(rc);
gCanvas->Clear(clearColor);
gCanvas->ResetClip();
}
void drawLabelFrame(Graphics* g, const Pen* pen, const Brush* brush, RectF &rc, REAL cornerSize) {
if(cornerSize > 0) {
GraphicsPath path;
REAL dx = rc.Width - cornerSize, dy = rc.Height - cornerSize;
path.AddArc(rc.X, rc.Y, cornerSize, cornerSize, 170, 90);
path.AddArc(rc.X + dx, rc.Y, cornerSize, cornerSize, 270, 90);
path.AddArc(rc.X + dx, rc.Y + dy, cornerSize, cornerSize, 0, 90);
path.AddArc(rc.X, rc.Y + dy, cornerSize, cornerSize, 90, 90);
path.CloseFigure();
g->DrawPath(pen, &path);
g->FillPath(brush, &path);
} else {
g->DrawRectangle(pen, rc.X, rc.Y, rc.Width, rc.Height);
g->FillRectangle(brush, rc.X, rc.Y, rc.Width, rc.Height);
}
}
#define BR(alpha, bgr) (alpha<<24|bgr>>16|(bgr&0x0000ff00)|(bgr&0x000000ff)<<16)
void updateLabel(int i) {
eraseLabel(i);
if(keyLabels[i].length > 0) {
RectF &rc = keyLabels[i].rect;
REAL r = 1.0f*keyLabels[i].time/labelSettings.fadeDuration;
r = (r > 1.0f) ? 1.0f : r;
PointF origin(rc.X, rc.Y);
gCanvas->MeasureString(keyLabels[i].text, keyLabels[i].length, fontPlus, origin, &rc);
rc.Width = (rc.Width < labelSettings.cornerSize) ? labelSettings.cornerSize : rc.Width;
if(alignment) {
rc.X = canvasSize.cx - rc.Width - labelSettings.borderSize;
} else {
rc.X = (REAL)labelSettings.borderSize;
}
rc.Height = (rc.Height < labelSettings.cornerSize) ? labelSettings.cornerSize : rc.Height;
int bgAlpha = (int)(r*labelSettings.bgOpacity), textAlpha = (int)(r*labelSettings.textOpacity), borderAlpha = (int)(r*labelSettings.borderOpacity);
Pen penPlus(Color::Color(BR(borderAlpha, labelSettings.borderColor)), labelSettings.borderSize+0.0f);
SolidBrush brushPlus(Color::Color(BR(bgAlpha, labelSettings.bgColor)));
drawLabelFrame(gCanvas, &penPlus, &brushPlus, rc, (REAL)labelSettings.cornerSize);
SolidBrush textBrushPlus(Color(BR(textAlpha, labelSettings.textColor)));
gCanvas->DrawString( keyLabels[i].text,
keyLabels[i].length,
fontPlus,
PointF(rc.X, rc.Y),
&textBrushPlus);
}
}
void fadeLastLabel(BOOL whether) {
keyLabels[labelCount-1].fade = whether;
}
static int newStrokeCount = 0;
#define SHOWTIMER_INTERVAL 40
static int deferredTime;
WCHAR deferredLabel[64];
static void startFade() {
if(newStrokeCount > 0) {
newStrokeCount -= SHOWTIMER_INTERVAL;
}
DWORD i = 0;
BOOL dirty = FALSE;
if (wcslen(deferredLabel) > 0) {
// update deferred label if it exists
if (deferredTime > 0) {
deferredTime -= SHOWTIMER_INTERVAL;
} else {
showText(deferredLabel, 1);
fadeLastLabel(FALSE);
deferredLabel[0] = '\0';
}
}
for(i = 0; i < labelCount; i++) {
RectF &rt = keyLabels[i].rect;
if(keyLabels[i].time > labelSettings.fadeDuration) {
if(keyLabels[i].fade) {
keyLabels[i].time -= SHOWTIMER_INTERVAL;
}
} else if(keyLabels[i].time >= SHOWTIMER_INTERVAL) {
if(keyLabels[i].fade) {
keyLabels[i].time -= SHOWTIMER_INTERVAL;
}
updateLabel(i);
dirty = TRUE;
} else {
keyLabels[i].time = 0;
if(keyLabels[i].length){
eraseLabel(i);
// erase keyLabels[i].length times to avoid remaining shadow
keyLabels[i].length--;
dirty = TRUE;
}
}
}
if(dirty) {
updateLayeredWindow(hMainWnd);
}
}
bool outOfLine(LPCWSTR text) {
size_t newLen = wcslen(text);
if(keyLabels[labelCount-1].text+keyLabels[labelCount-1].length+newLen >= textBufferEnd) {
wcscpy_s(textBuffer, MAXCHARS, keyLabels[labelCount-1].text);
keyLabels[labelCount-1].text = textBuffer;
}
LPWSTR tmp = keyLabels[labelCount-1].text + keyLabels[labelCount-1].length;
wcscpy_s(tmp, (textBufferEnd-tmp), text);
RectF box;
PointF origin(0, 0);
gCanvas->MeasureString(keyLabels[labelCount-1].text, keyLabels[labelCount-1].length, fontPlus, origin, &box);
int cx = (int)box.Width+2*labelSettings.cornerSize+labelSettings.borderSize*2;
bool out = cx >= canvasSize.cx;
return out;
}
/*
* behavior 0: append text to last label
* behavior 1: create a new label with text
* behavior 2: replace last label with text
*/
void showText(LPCWSTR text, int behavior = 0) {
SetWindowPos(hMainWnd,HWND_TOPMOST,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE);
size_t newLen = wcslen(text);
#ifdef _DEBUG
if(replayStatus == 0 && capStream) {
Displayed dp(GetTickCount(), behavior, newLen);
fwrite(&dp, sizeof(Displayed), 1, capStream);
fwrite(text, sizeof(WCHAR), newLen, capStream);
fflush(capStream);
}
#endif
DWORD i;
if (behavior == 2) {
wcscpy_s(keyLabels[labelCount-1].text, textBufferEnd-keyLabels[labelCount-1].text, text);
keyLabels[labelCount-1].length = newLen;
} else if (behavior == 3) {
wcscpy_s(deferredLabel, 64, text);
deferredTime = 120;
} else if (behavior == 1 || (newStrokeCount <= 0) || outOfLine(text)) {
for (i = 1; i < labelCount; i++) {
if(keyLabels[i].time > 0) {
break;
}
}
for (; i < labelCount; i++) {
eraseLabel(i-1);
keyLabels[i-1].text = keyLabels[i].text;
keyLabels[i-1].length = keyLabels[i].length;
keyLabels[i-1].time = keyLabels[i].time;
keyLabels[i-1].rect.X = keyLabels[i].rect.X;
keyLabels[i-1].fade = TRUE;
updateLabel(i-1);
eraseLabel(i);
}
if(labelCount > 1) {
keyLabels[labelCount-1].text = keyLabels[labelCount-2].text + keyLabels[labelCount-2].length;
}
if(keyLabels[labelCount-1].text+newLen >= textBufferEnd) {
keyLabels[labelCount-1].text = textBuffer;
}
wcscpy_s(keyLabels[labelCount-1].text, textBufferEnd-keyLabels[labelCount-1].text, text);
keyLabels[labelCount-1].length = newLen;
} else {
LPWSTR tmp = keyLabels[labelCount-1].text + keyLabels[labelCount-1].length;
if(tmp+newLen >= textBufferEnd) {
tmp = textBuffer;
keyLabels[labelCount-1].text = tmp;
keyLabels[labelCount-1].length = newLen;
} else {
keyLabels[labelCount-1].length += newLen;
}
wcscpy_s(tmp, (textBufferEnd-tmp), text);
}
keyLabels[labelCount-1].time = labelSettings.lingerTime+labelSettings.fadeDuration;
keyLabels[labelCount-1].fade = TRUE;
updateLabel(labelCount-1);
newStrokeCount = labelSettings.keyStrokeDelay;
updateLayeredWindow(hMainWnd);
}
void updateCanvasSize(const POINT &pt) {
for(DWORD i = 0; i < labelCount; i ++) {
if(keyLabels[i].time > 0) {
eraseLabel(i);
keyLabels[i].time = 0;
}
}
canvasSize.cy = desktopRect.bottom - desktopRect.top;
canvasOrigin.y = pt.y - desktopRect.bottom + desktopRect.top;
canvasSize.cx = pt.x - desktopRect.left;
canvasOrigin.x = desktopRect.left;
#ifdef _DEBUG
std::stringstream line;
line << "desktopRect: {left: " << desktopRect.left << ", top: " << desktopRect.top << ", right: " << desktopRect.right << ", bottom: " << desktopRect.bottom << "};\n";
line << "canvasSize: {" << canvasSize.cx << "," << canvasSize.cy << "};\n";
line << "canvasOrigin: {" << canvasOrigin.x << "," << canvasOrigin.y << "};\n";
line << "pt: {" << pt.x << "," << pt.y << "};\n";
log(line);
#endif
}
void createCanvas() {
HDC hdc = GetDC(hMainWnd);
HDC hdcBuffer = CreateCompatibleDC(hdc);
HBITMAP hbitmap = CreateCompatibleBitmap(hdc, desktopRect.right - desktopRect.left, desktopRect.bottom - desktopRect.top);
HBITMAP hBitmapOld = (HBITMAP)SelectObject(hdcBuffer, (HGDIOBJ)hbitmap);
ReleaseDC(hMainWnd, hdc);
DeleteObject(hBitmapOld);
if(gCanvas) {
delete gCanvas;
}
gCanvas = new Graphics(hdcBuffer);
gCanvas->SetSmoothingMode(SmoothingModeAntiAlias);
gCanvas->SetTextRenderingHint(TextRenderingHintAntiAlias);
}
void prepareLabels() {
HDC hdc = GetDC(hMainWnd);
HFONT hlabelFont = CreateFontIndirect(&labelSettings.font);
HFONT hFontOld = (HFONT)SelectObject(hdc, hlabelFont);
DeleteObject(hFontOld);
if(fontPlus) {
delete fontPlus;
}
fontPlus = new Font(hdc, hlabelFont);
ReleaseDC(hMainWnd, hdc);
RectF box;
PointF origin(0, 0);
gCanvas->MeasureString(L"\u263b - KeyCastOW OFF", 16, fontPlus, origin, &box);
REAL unitH = box.Height+2*labelSettings.borderSize+labelSpacing;
labelCount = (desktopRect.bottom - desktopRect.top) / (int)unitH;
REAL paddingH = (desktopRect.bottom - desktopRect.top) - unitH*labelCount;
DWORD offset = 0;
if(labelCount > maximumLines) {
offset = labelCount-maximumLines;
labelCount = maximumLines;
} else if(labelCount == 0) {
offset = labelCount-1;
labelCount = 1;
}
gCanvas->Clear(clearColor);
for(DWORD i = 0; i < labelCount; i ++) {
keyLabels[i].rect.X = (REAL)labelSettings.borderSize;
keyLabels[i].rect.Y = paddingH + unitH*(i+offset) + labelSpacing + labelSettings.borderSize;
if(keyLabels[i].time > labelSettings.lingerTime+labelSettings.fadeDuration) {
keyLabels[i].time = labelSettings.lingerTime+labelSettings.fadeDuration;
}
if(keyLabels[i].time > 0) {
updateLabel(i);
}
}
stamp(hWndStamp, branding);
}
void GetWorkAreaByOrigin(const POINT &pt, MONITORINFO &mi) {
RECT rc = {pt.x-1, pt.y-1, pt.x+1, pt.y+1};
HMONITOR hMonitor = MonitorFromRect(&rc, MONITOR_DEFAULTTONEAREST);
mi.cbSize = sizeof(mi);
GetMonitorInfo(hMonitor, &mi);
}
void positionOrigin(int action, POINT &pt) {
if (action == 0) {
updateCanvasSize(pt);
MONITORINFO mi;
GetWorkAreaByOrigin(pt, mi);
if(mi.rcWork.left != desktopRect.left || mi.rcWork.top != desktopRect.top) {
CopyMemory(&desktopRect, &mi.rcWork, sizeof(RECT));
MoveWindow(hMainWnd, desktopRect.left, desktopRect.top, 1, 1, TRUE);
createCanvas();
prepareLabels();
}
#ifdef _DEBUG
std::stringstream line;
line << "rcWork: {" << mi.rcWork.left << "," << mi.rcWork.top << "," << mi.rcWork.right << "," << mi.rcWork.bottom << "};\n";
line << "desktopRect: {" << desktopRect.left << "," << desktopRect.top << "," << desktopRect.right << "," << desktopRect.bottom << "};\n";
line << "canvasSize: {" << canvasSize.cx << "," << canvasSize.cy << "};\n";
line << "canvasOrigin: {" << canvasOrigin.x << "," << canvasOrigin.y << "};\n";
line << "labelCount: " << labelCount << "\n";
log(line);
#endif
WCHAR tmp[256];
swprintf(tmp, 256, L"%d, %d", pt.x, pt.y);
showText(tmp, 2);
} else {
positioning = FALSE;
deskOrigin.x = pt.x;
deskOrigin.y = pt.y;
updateCanvasSize(pt);
clearColor.SetValue(0x007f7f7f);
gCanvas->Clear(clearColor);
}
}
BOOL ColorDialog ( HWND hWnd, COLORREF &clr ) {
DWORD dwCustClrs[16] = {
RGB(0,0,0),
RGB(0,0,255),
RGB(0,255,0),
RGB(128,255,255),
RGB(255,0,0),
RGB(255,0,255),
RGB(255,255,0),
RGB(192,192,192),
RGB(127,127,127),
RGB(0,0,128),
RGB(0,128,0),
RGB(0,255,255),
RGB(128,0,0),
RGB(255,0,128),
RGB(128,128,64),
RGB(255,255,255)
};
CHOOSECOLOR dlgColor;
dlgColor.lStructSize = sizeof(CHOOSECOLOR);
dlgColor.hwndOwner = hWnd;
dlgColor.hInstance = NULL;
dlgColor.lpTemplateName = NULL;
dlgColor.rgbResult = clr;
dlgColor.lpCustColors = dwCustClrs;
dlgColor.Flags = CC_ANYCOLOR|CC_RGBINIT;
dlgColor.lCustData = 0;
dlgColor.lpfnHook = NULL;
if(ChooseColor(&dlgColor)) {
clr = dlgColor.rgbResult;
}
return TRUE;
}
HWND CreateToolTip(HWND hDlg, int toolID, LPWSTR pszText) {
// Get the window of the tool.
HWND hwndTool = GetDlgItem(hDlg, toolID);
// Create the tooltip. g_hInst is the global instance handle.
HWND hwndTip = CreateWindowEx(NULL, TOOLTIPS_CLASS, NULL,
WS_POPUP |TTS_ALWAYSTIP | TTS_BALLOON,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
hDlg, NULL,
hInstance, NULL);
if (!hwndTool || !hwndTip) {
return (HWND)NULL;
}
// Associate the tooltip with the tool.
TOOLINFO toolInfo = { 0 };
toolInfo.cbSize = sizeof(toolInfo);
toolInfo.hwnd = hDlg;
toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
toolInfo.uId = (UINT_PTR)hwndTool;
toolInfo.lpszText = pszText;
SendMessage(hwndTip, TTM_ADDTOOL, 0, (LPARAM)&toolInfo);
return hwndTip;
}
void writeSettingInt(LPCTSTR lpKeyName, DWORD dw) {
WCHAR tmp[256];
swprintf(tmp, 256, L"%d", dw);
WritePrivateProfileString(L"KeyCastOW", lpKeyName, tmp, iniFile);
}
void saveSettings() {
writeSettingInt(L"keyStrokeDelay", labelSettings.keyStrokeDelay);
writeSettingInt(L"lingerTime", labelSettings.lingerTime);
writeSettingInt(L"fadeDuration", labelSettings.fadeDuration);
writeSettingInt(L"bgColor", labelSettings.bgColor);
writeSettingInt(L"textColor", labelSettings.textColor);
WritePrivateProfileStruct(L"KeyCastOW", L"labelFont", (LPVOID)&labelSettings.font, sizeof(labelSettings.font), iniFile);
writeSettingInt(L"bgOpacity", labelSettings.bgOpacity);
writeSettingInt(L"textOpacity", labelSettings.textOpacity);
writeSettingInt(L"borderOpacity", labelSettings.borderOpacity);
writeSettingInt(L"borderColor", labelSettings.borderColor);
writeSettingInt(L"borderSize", labelSettings.borderSize);
writeSettingInt(L"cornerSize", labelSettings.cornerSize);
writeSettingInt(L"labelSpacing", labelSpacing);
writeSettingInt(L"maximumLines", maximumLines);
writeSettingInt(L"offsetX", deskOrigin.x);
writeSettingInt(L"offsetY", deskOrigin.y);
writeSettingInt(L"visibleShift", visibleShift);
writeSettingInt(L"visibleModifier", visibleModifier);
writeSettingInt(L"mouseCapturing", mouseCapturing);
writeSettingInt(L"mouseCapturingMod", mouseCapturingMod);
writeSettingInt(L"keyAutoRepeat", keyAutoRepeat);
writeSettingInt(L"mergeMouseActions", mergeMouseActions);
writeSettingInt(L"alignment", alignment);
writeSettingInt(L"onlyCommandKeys", onlyCommandKeys);
writeSettingInt(L"draggableLabel", draggableLabel);
if (draggableLabel) {
SetWindowLong(hMainWnd, GWL_EXSTYLE, GetWindowLong(hMainWnd, GWL_EXSTYLE) & ~WS_EX_TRANSPARENT);
} else {
SetWindowLong(hMainWnd, GWL_EXSTYLE, GetWindowLong(hMainWnd, GWL_EXSTYLE) | WS_EX_TRANSPARENT);
}
writeSettingInt(L"tcModifiers", tcModifiers);
writeSettingInt(L"tcKey", tcKey);
WritePrivateProfileString(L"KeyCastOW", L"branding", branding, iniFile);
WritePrivateProfileString(L"KeyCastOW", L"comboChars", comboChars, iniFile);
}
void fixDeskOrigin() {
if(deskOrigin.x > desktopRect.right || deskOrigin.x < desktopRect.left + labelSettings.borderSize) {
deskOrigin.x = desktopRect.right - labelSettings.borderSize;
}
if(deskOrigin.y > desktopRect.bottom || deskOrigin.y < desktopRect.top + labelSettings.borderSize) {
deskOrigin.y = desktopRect.bottom;
}
}
void loadSettings() {
labelSettings.keyStrokeDelay = GetPrivateProfileInt(L"KeyCastOW", L"keyStrokeDelay", 500, iniFile);
labelSettings.lingerTime = GetPrivateProfileInt(L"KeyCastOW", L"lingerTime", 1200, iniFile);
labelSettings.fadeDuration = GetPrivateProfileInt(L"KeyCastOW", L"fadeDuration", 310, iniFile);
labelSettings.bgColor = GetPrivateProfileInt(L"KeyCastOW", L"bgColor", RGB(75, 75, 75), iniFile);
labelSettings.textColor = GetPrivateProfileInt(L"KeyCastOW", L"textColor", RGB(255, 255, 255), iniFile);
labelSettings.bgOpacity = GetPrivateProfileInt(L"KeyCastOW", L"bgOpacity", 200, iniFile);
labelSettings.textOpacity = GetPrivateProfileInt(L"KeyCastOW", L"textOpacity", 255, iniFile);
labelSettings.borderOpacity = GetPrivateProfileInt(L"KeyCastOW", L"borderOpacity", 200, iniFile);
labelSettings.borderColor = GetPrivateProfileInt(L"KeyCastOW", L"borderColor", RGB(0, 128, 255), iniFile);
labelSettings.borderSize = GetPrivateProfileInt(L"KeyCastOW", L"borderSize", 8, iniFile);
labelSettings.cornerSize = GetPrivateProfileInt(L"KeyCastOW", L"cornerSize", 2, iniFile);
labelSpacing = GetPrivateProfileInt(L"KeyCastOW", L"labelSpacing", 1, iniFile);
maximumLines = GetPrivateProfileInt(L"KeyCastOW", L"maximumLines", 10, iniFile);
if (maximumLines == 0) {
maximumLines = 1;
}
deskOrigin.x = GetPrivateProfileInt(L"KeyCastOW", L"offsetX", 2, iniFile);
deskOrigin.y = GetPrivateProfileInt(L"KeyCastOW", L"offsetY", 2, iniFile);
MONITORINFO mi;
GetWorkAreaByOrigin(deskOrigin, mi);
CopyMemory(&desktopRect, &mi.rcWork, sizeof(RECT));
MoveWindow(hMainWnd, desktopRect.left, desktopRect.top, 1, 1, TRUE);
fixDeskOrigin();
visibleShift = GetPrivateProfileInt(L"KeyCastOW", L"visibleShift", 0, iniFile);
visibleModifier = GetPrivateProfileInt(L"KeyCastOW", L"visibleModifier", 1, iniFile);
mouseCapturing = GetPrivateProfileInt(L"KeyCastOW", L"mouseCapturing", 1, iniFile);
mouseCapturingMod = GetPrivateProfileInt(L"KeyCastOW", L"mouseCapturingMod", 0, iniFile);
keyAutoRepeat = GetPrivateProfileInt(L"KeyCastOW", L"keyAutoRepeat", 1, iniFile);
mergeMouseActions = GetPrivateProfileInt(L"KeyCastOW", L"mergeMouseActions", 1, iniFile);
alignment = GetPrivateProfileInt(L"KeyCastOW", L"alignment", 1, iniFile);
onlyCommandKeys = GetPrivateProfileInt(L"KeyCastOW", L"onlyCommandKeys", 0, iniFile);
draggableLabel = GetPrivateProfileInt(L"KeyCastOW", L"draggableLabel", 0, iniFile);
if (draggableLabel) {
SetWindowLong(hMainWnd, GWL_EXSTYLE, GetWindowLong(hMainWnd, GWL_EXSTYLE) & ~WS_EX_TRANSPARENT);
} else {
SetWindowLong(hMainWnd, GWL_EXSTYLE, GetWindowLong(hMainWnd, GWL_EXSTYLE) | WS_EX_TRANSPARENT);
}
tcModifiers = GetPrivateProfileInt(L"KeyCastOW", L"tcModifiers", MOD_ALT, iniFile);
tcKey = GetPrivateProfileInt(L"KeyCastOW", L"tcKey", 0x42, iniFile);
GetPrivateProfileString(L"KeyCastOW", L"branding", L"Hi there, press any key to try, double click to configure.", branding, BRANDINGMAX, iniFile);
GetPrivateProfileString(L"KeyCastOW", L"comboChars", L"<->", comboChars, 4, iniFile);
memset(&labelSettings.font, 0, sizeof(labelSettings.font));
labelSettings.font.lfCharSet = DEFAULT_CHARSET;
labelSettings.font.lfHeight = -37;
labelSettings.font.lfPitchAndFamily = DEFAULT_PITCH;
labelSettings.font.lfWeight = FW_BLACK;
labelSettings.font.lfOutPrecision = OUT_DEFAULT_PRECIS;
labelSettings.font.lfClipPrecision = CLIP_DEFAULT_PRECIS;
labelSettings.font.lfQuality = ANTIALIASED_QUALITY;
wcscpy_s(labelSettings.font.lfFaceName, LF_FACESIZE, TEXT("Arial Black"));
GetPrivateProfileStruct(L"KeyCastOW", L"labelFont", &labelSettings.font, sizeof(labelSettings.font), iniFile);
}
void renderSettingsData(HWND hwndDlg) {
WCHAR tmp[256];
swprintf(tmp, 256, L"%d", previewLabelSettings.keyStrokeDelay);
SetDlgItemText(hwndDlg, IDC_KEYSTROKEDELAY, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.lingerTime);
SetDlgItemText(hwndDlg, IDC_LINGERTIME, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.fadeDuration);
SetDlgItemText(hwndDlg, IDC_FADEDURATION, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.bgOpacity);
SetDlgItemText(hwndDlg, IDC_BGOPACITY, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.textOpacity);
SetDlgItemText(hwndDlg, IDC_TEXTOPACITY, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.borderOpacity);
SetDlgItemText(hwndDlg, IDC_BORDEROPACITY, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.borderSize);
SetDlgItemText(hwndDlg, IDC_BORDERSIZE, tmp);
swprintf(tmp, 256, L"%d", previewLabelSettings.cornerSize);
SetDlgItemText(hwndDlg, IDC_CORNERSIZE, tmp);
swprintf(tmp, 256, L"%d", labelSpacing);
SetDlgItemText(hwndDlg, IDC_LABELSPACING, tmp);
swprintf(tmp, 256, L"%d", maximumLines);
SetDlgItemText(hwndDlg, IDC_MAXIMUMLINES, tmp);
SetDlgItemText(hwndDlg, IDC_BRANDING, branding);
SetDlgItemText(hwndDlg, IDC_COMBSCHEME, comboChars);
CheckDlgButton(hwndDlg, IDC_VISIBLESHIFT, visibleShift ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_VISIBLEMODIFIER, visibleModifier ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MOUSECAPTURING, mouseCapturing ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MOUSECAPTURINGMOD, mouseCapturingMod ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_KEYAUTOREPEAT, keyAutoRepeat ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MERGEMOUSEACTIONS, mergeMouseActions ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_ONLYCOMMANDKEYS, onlyCommandKeys ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_DRAGGABLELABEL, draggableLabel ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MODCTRL, (tcModifiers & MOD_CONTROL) ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MODALT, (tcModifiers & MOD_ALT) ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MODSHIFT, (tcModifiers & MOD_SHIFT) ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_MODWIN, (tcModifiers & MOD_WIN) ? BST_CHECKED : BST_UNCHECKED);
swprintf(tmp, 256, L"%c", MapVirtualKey(tcKey, MAPVK_VK_TO_CHAR));
SetDlgItemText(hwndDlg, IDC_TCKEY, tmp);
ComboBox_SetCurSel(GetDlgItem(hwndDlg, IDC_ALIGNMENT), alignment);
}
void getLabelSettings(HWND hwndDlg, LabelSettings &lblSettings) {
WCHAR tmp[256];
GetDlgItemText(hwndDlg, IDC_KEYSTROKEDELAY, tmp, 256);
lblSettings.keyStrokeDelay = _wtoi(tmp);
GetDlgItemText(hwndDlg, IDC_LINGERTIME, tmp, 256);
lblSettings.lingerTime = _wtoi(tmp);
GetDlgItemText(hwndDlg, IDC_FADEDURATION, tmp, 256);
lblSettings.fadeDuration = _wtoi(tmp);
if(lblSettings.fadeDuration < SHOWTIMER_INTERVAL*5) {
lblSettings.fadeDuration = SHOWTIMER_INTERVAL*5;
}
GetDlgItemText(hwndDlg, IDC_BGOPACITY, tmp, 256);
lblSettings.bgOpacity = _wtoi(tmp);
lblSettings.bgOpacity = min(lblSettings.bgOpacity, 255);
GetDlgItemText(hwndDlg, IDC_TEXTOPACITY, tmp, 256);
lblSettings.textOpacity = _wtoi(tmp);
lblSettings.textOpacity = min(lblSettings.textOpacity, 255);
GetDlgItemText(hwndDlg, IDC_BORDEROPACITY, tmp, 256);
lblSettings.borderOpacity = _wtoi(tmp);
lblSettings.borderOpacity = min(lblSettings.borderOpacity, 255);
GetDlgItemText(hwndDlg, IDC_BORDERSIZE, tmp, 256);
lblSettings.borderSize = _wtoi(tmp);
GetDlgItemText(hwndDlg, IDC_CORNERSIZE, tmp, 256);
lblSettings.cornerSize = _wtoi(tmp);
}
DWORD previewTime = 0;
#define PREVIEWTIMER_INTERVAL 5
static void previewLabel() {
RECT rt = {12, 58, 222, 238};
getLabelSettings(hDlgSettings, previewLabelSettings);
DWORD mg = previewLabelSettings.lingerTime+previewLabelSettings.fadeDuration+600;
double r;
if(previewTime < PREVIEWTIMER_INTERVAL || previewTime > mg) {
previewTime = mg;
}
if(previewTime > mg-600) {
previewTime -= PREVIEWTIMER_INTERVAL;
r = 0;
}
else if(previewTime > previewLabelSettings.fadeDuration) {
r = 1;
previewTime -= PREVIEWTIMER_INTERVAL;
} else if(previewTime >= PREVIEWTIMER_INTERVAL) {
previewTime -= PREVIEWTIMER_INTERVAL;
r = 1.0*previewTime/previewLabelSettings.fadeDuration;
}
HDC hdc = GetDC(hDlgSettings);
int rtWidth = rt.right-rt.left;
int rtHeight = rt.bottom-rt.top;
RectF rc(0, 0, (REAL)rtWidth, (REAL)rtHeight);
HDC memDC = ::CreateCompatibleDC(hdc);
HBITMAP memBitmap = ::CreateCompatibleBitmap(hdc, (int)rc.Width, (int)rc.Height);
::SelectObject(memDC,memBitmap);
Graphics g(memDC);
g.SetSmoothingMode(SmoothingModeAntiAlias);
g.SetTextRenderingHint(TextRenderingHintAntiAlias);
WCHAR text[] = L"BH";
HFONT hFont = CreateFontIndirect(&previewLabelSettings.font);
SelectObject(memDC, hFont);
Font font(memDC, hFont);
PointF origin(rc.X+previewLabelSettings.borderSize, rc.Y+previewLabelSettings.borderSize);
g.MeasureString(text, 2, &font, origin, &rc);
rc.X += (rtWidth-(int)rc.Width)/2-previewLabelSettings.borderSize;
rc.Y += (rtHeight-(int)rc.Height)/2-previewLabelSettings.borderSize;
origin.X = rc.X;
origin.Y = rc.Y;
int bgAlpha = (int)(r*previewLabelSettings.bgOpacity), textAlpha = (int)(r*previewLabelSettings.textOpacity), borderAlpha = (int)(r*previewLabelSettings.borderOpacity);
Pen penPlus(Color::Color(BR(borderAlpha, previewLabelSettings.borderColor)), previewLabelSettings.borderSize+0.0f);
SolidBrush brushPlus(Color::Color(BR(bgAlpha, previewLabelSettings.bgColor)));
drawLabelFrame(&g, &penPlus, &brushPlus, rc, (REAL)previewLabelSettings.cornerSize);
SolidBrush textBrushPlus(Color(BR(textAlpha, previewLabelSettings.textColor)));
g.DrawString(text, wcslen(text), &font, origin, &textBrushPlus);
BitBlt(hdc, rt.left, rt.top, rtWidth, rtHeight, memDC, 0,0, SRCCOPY);
DeleteDC(memDC);
DeleteObject(memBitmap);
DeleteObject(hFont);
ReleaseDC(hDlgSettings, hdc);
}
BOOL CALLBACK SettingsWndProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
WCHAR tmp[256];
switch (msg)
{
case WM_INITDIALOG:
{
renderSettingsData(hwndDlg);
GetWindowRect(hwndDlg, &settingsDlgRect);
SetWindowPos(hwndDlg, 0,
desktopRect.right - desktopRect.left - settingsDlgRect.right + settingsDlgRect.left,
desktopRect.bottom - desktopRect.top - settingsDlgRect.bottom + settingsDlgRect.top, 0, 0, SWP_NOSIZE);
GetWindowRect(hwndDlg, &settingsDlgRect);
CreateToolTip(hwndDlg, IDC_COMBSCHEME, L"[+] to display combination keys like [Alt + Tab].");
HWND hCtrl = GetDlgItem(hwndDlg, IDC_ALIGNMENT);
ComboBox_InsertString(hCtrl, 0, L"Left");
ComboBox_InsertString(hCtrl, 1, L"Right");
}
return TRUE;
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code)
{
case NM_CLICK: // Fall through to the next case.
case NM_RETURN:
{
PNMLINK pNMLink = (PNMLINK)lParam;
LITEM item = pNMLink->item;
ShellExecute(NULL, L"open", item.szUrl, NULL, NULL, SW_SHOW);
break;
}
}
break;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_TEXTFONT:
{
CHOOSEFONT cf ;
cf.lStructSize = sizeof (CHOOSEFONT) ;
cf.hwndOwner = hwndDlg ;
cf.hDC = NULL ;
cf.lpLogFont = &previewLabelSettings.font ;
cf.iPointSize = 0 ;
cf.Flags = CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS | CF_EFFECTS ;
cf.rgbColors = 0 ;
cf.lCustData = 0 ;
cf.lpfnHook = NULL ;
cf.lpTemplateName = NULL ;
cf.hInstance = NULL ;
cf.lpszStyle = NULL ;
cf.nFontType = 0 ; // Returned from ChooseFont
cf.nSizeMin = 0 ;
cf.nSizeMax = 0 ;
if(ChooseFont (&cf)) {
prepareLabels();
saveSettings();
}
}
return TRUE;
case IDC_TEXTCOLOR:
if( ColorDialog(hwndDlg, previewLabelSettings.textColor) ) {
prepareLabels();
saveSettings();
}
return TRUE;
case IDC_BGCOLOR:
if( ColorDialog(hwndDlg, previewLabelSettings.bgColor) ) {
prepareLabels();
saveSettings();
}
return TRUE;
case IDC_BORDERCOLOR:
if( ColorDialog(hwndDlg, previewLabelSettings.borderColor) ) {
prepareLabels();
saveSettings();
}
return TRUE;
case IDC_POSITION:
{
alignment = ComboBox_GetCurSel(GetDlgItem(hwndDlg, IDC_ALIGNMENT));
clearColor.SetValue(0x7f7f7f7f);
gCanvas->Clear(clearColor);
showText(L"\u254b", 1);
fadeLastLabel(FALSE);
positioning = TRUE;
}
return TRUE;
case IDOK:
labelSettings = previewLabelSettings;
GetDlgItemText(hwndDlg, IDC_LABELSPACING, tmp, 256);
labelSpacing = _wtoi(tmp);
if(labelSpacing > (DWORD)(desktopRect.bottom - desktopRect.top)/3) {
labelSpacing = (DWORD)(desktopRect.bottom - desktopRect.top)/3;
}
GetDlgItemText(hwndDlg, IDC_MAXIMUMLINES, tmp, 256);
maximumLines = _wtoi(tmp);
if (maximumLines > MAXLABELS) {
maximumLines = MAXLABELS;
} else if (maximumLines == 0) {
maximumLines = 1;
}
GetDlgItemText(hwndDlg, IDC_BRANDING, branding, BRANDINGMAX);
GetDlgItemText(hwndDlg, IDC_COMBSCHEME, comboChars, 4);
visibleShift = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_VISIBLESHIFT));
visibleModifier = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_VISIBLEMODIFIER));
mouseCapturing = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MOUSECAPTURING));
mouseCapturingMod = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MOUSECAPTURINGMOD));
keyAutoRepeat = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_KEYAUTOREPEAT));
mergeMouseActions = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MERGEMOUSEACTIONS));
onlyCommandKeys = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_ONLYCOMMANDKEYS));
draggableLabel = (BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_DRAGGABLELABEL));
tcModifiers = 0;
if(BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MODCTRL)) {
tcModifiers |= MOD_CONTROL;
}
if(BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MODALT)) {
tcModifiers |= MOD_ALT;
}
if(BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MODSHIFT)) {
tcModifiers |= MOD_SHIFT;
}
if(BST_CHECKED == IsDlgButtonChecked(hwndDlg, IDC_MODWIN)) {
tcModifiers |= MOD_WIN;
}
GetDlgItemText(hwndDlg, IDC_TCKEY, tmp, 256);
alignment = ComboBox_GetCurSel(GetDlgItem(hwndDlg, IDC_ALIGNMENT));
if(tcModifiers != 0 && tmp[0] != '\0') {
tcKey = VkKeyScanEx(tmp[0], GetKeyboardLayout(0));
UnregisterHotKey(NULL, 1);
if (!RegisterHotKey( NULL, 1, tcModifiers | MOD_NOREPEAT, tcKey)) {
MessageBox(NULL, L"Unable to register hotkey, you probably need go to settings to redefine your hotkey for toggle capturing.", L"Warning", MB_OK|MB_ICONWARNING);
}
}
prepareLabels();
saveSettings();
case IDCANCEL:
EndDialog(hwndDlg, wParam);
previewTimer.Stop();
return TRUE;
}
}
return FALSE;
}
LRESULT CALLBACK DraggableWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
static POINT s_last_mouse;
switch(message)
{
// hold mouse to move
case WM_LBUTTONDOWN:
SetCapture(hWnd);
GetCursorPos(&s_last_mouse);
showTimer.Stop();
break;
case WM_MOUSEMOVE:
if (GetCapture()==hWnd)
{
POINT p;
GetCursorPos(&p);
int dx= p.x - s_last_mouse.x;
int dy= p.y - s_last_mouse.y;
if (dx||dy)
{
s_last_mouse=p;
RECT r;
GetWindowRect(hWnd,&r);
SetWindowPos(hWnd,HWND_TOPMOST,r.left+dx,r.top+dy,0,0,SWP_NOSIZE|SWP_NOACTIVATE);
}
}
break;
case WM_LBUTTONUP:
ReleaseCapture();
showTimer.Start(SHOWTIMER_INTERVAL);
break;
case WM_LBUTTONDBLCLK:
SendMessage( hMainWnd, WM_COMMAND, MENU_CONFIG, 0 );
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
LRESULT CALLBACK WindowFunc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
static POINT s_last_mouse;
static HMENU hPopMenu;
static NOTIFYICONDATA nid;
switch(message) {
// trayicon
case WM_CREATE:
{
memset( &nid, 0, sizeof( nid ) );
nid.cbSize = sizeof( nid );
nid.hWnd = hWnd;
nid.uID = IDI_TRAY;
nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
nid.uCallbackMessage = WM_TRAYMSG;
nid.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE(IDI_ICON1));
lstrcpy( nid.szTip, L"KeyCast On Windows by brook hong" );
Shell_NotifyIcon( NIM_ADD, &nid );