KeyMouse

KeyMouse.t.c

@@ -0,0 +1,259 @@
+#include "c_WinGuiApp.h"
+#include "c_WinGuiUtil.h"
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+#define MAIN_WINDOW_CLASSNAME "KeyMouse"
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+#define DIRECTION_SIZE 100
+
+static char Directions[DIRECTION_SIZE];
+static int xVal = 10;
+static int yVal = 30;
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+static BOOL MainWindow_OnCreate(HWND hwnd, LPCREATESTRUCT lpCreateStruct){
+    c_WinGuiUtil_MoveWindowToScreenCenter(hwnd);
+    return TRUE;
+}
+
+static void MainWindow_OnDestroy(HWND hwnd){
+    PostQuitMessage(0);
+}
+
+static void MainWindow_OnPaint(HWND hwnd){
+    PAINTSTRUCT PaintStruct;
+    RECT Rect;
+    HDC hdc = BeginPaint(hwnd, &PaintStruct);
+    static char* Message[]={
+            {
+                "WM_CHAR",
+                "WM_KEY",
+                "WM_SYSKEY",
+                "WM_MOUSEMOVE",
+                "WM_MOUSEDOWN",
+                "WM_MOUSEUP",
+            }
+    };
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    HFONT OldFont = SelectFont(hdc, GetStockObject(OEM_FIXED_FONT));
+    GetClientRect(hwnd, &Rect);
+    DrawText(hdc, "MOUSE AND KEYBOARD DEMONSTRATION", -1, &Rect, DT_CENTER);
+    Rect.top = 20;
+    Rect.bottom = 40;
+    DrawText(hdc, "(Try experimenting with mouse and keyboard)", -1, &Rect, DT_CENTER);
+    SelectFont(hdc, OldFont);
+    for(int i=0; i<sizeof(Message)/sizeof(Message[0]); i++){
+        TextOut(hdc, xVal, yVal + (20 * (i+1)), Message[i], strlen(Message[i]));
+    }
+    EndPaint(hwnd, &PaintStruct);
+}
+
+static void MainWindow_OnChar(HWND hwnd, UINT ch, int cRepeat){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size = snprintf(s, sizeof(s)/sizeof(s[0]), "WM_CHAR ==> Ch = %c, cRepeat = %d "
+             , ch
+             , cRepeat);
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 20, s, size);
+    ReleaseDC(hwnd, hdc);
+}
+
+static void MainWindow_OnKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size =0;
+    if(fDown){
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                        , "WM_KEYDOWN ==> vk = %c, fDown = %d, cRepeat = %d, flags = %d           "
+                , vk
+                , fDown
+                , cRepeat
+                , flags
+                );
+    }else{
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                , "WM_KEYUP ==> vk = %c, fDown = %d, cRepeat = %d, flags = %d           "
+                , vk
+                , fDown
+                , cRepeat
+                , flags
+        );
+    }
+
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 40, s, size);
+    ReleaseDC(hwnd, hdc);
+}
+
+static void MainWindow_OnSysKey(HWND hwnd, UINT vk, BOOL fDown, int cRepeat, UINT flags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size = 0;
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    if(fDown){
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                        , "WM_SYSKEYDOWN ==> vk = %d, fDown = %d, cRepeat = %d, flags = %d           "
+                , vk
+                , fDown
+                , cRepeat
+                , flags);
+
+        TextOut(hdc, xVal, yVal + 60, s, size);
+        FORWARD_WM_SYSKEYDOWN(hwnd, vk, cRepeat, flags, DefWindowProc);
+    }else{
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                , "WM_SYSKEYUP ==> vk = %d, fDown = %d, cRepeat = %d, flags = %d           "
+                , vk
+                , fDown
+                , cRepeat
+                , flags);
+
+        TextOut(hdc, xVal, yVal + 60, s, size);
+        FORWARD_WM_SYSKEYUP(hwnd, vk, cRepeat, flags, DefWindowProc);
+    }
+
+    ReleaseDC(hwnd, hdc);
+}
+
+
+static void MainWindow_OnLButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size =0;
+    if(fDoubleClick){
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                , "WM_LBUTTONDBLCLK ==> Db = %d, x = %d, y = %d, flags = %d           "
+                , fDoubleClick
+                , x
+                , y
+                , keyFlags
+        );
+    }else{
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                , "WM_LBUTTONDOWN ==> Db = %d, x = %d, y = %d, flags = %d           "
+                , fDoubleClick
+                , x
+                , y
+                , keyFlags
+        );
+    }
+
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 100, s, size);
+    ReleaseDC(hwnd, hdc);
+}
+
+static void MainWindow_OnLButtonUp(HWND hwnd, int x, int y, UINT keyFlags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size =0;
+
+    size = snprintf(s, sizeof(s)/sizeof(s[0])
+            , "WM_LBUTTONUP ==> x = %d, y = %d, flags = %d           "
+            , x
+            , y
+            , keyFlags
+    );
+
+
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 120, s, size);
+    ReleaseDC(hwnd, hdc);
+}
+
+static void MainWindow_OnMouseMove(HWND hwnd, int x, int y, UINT keyFlags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size =0;
+
+    size = snprintf(s, sizeof(s)/sizeof(s[0])
+            , "WM_MOUSEMOVE ==> x = %d, y = %d, flags = %d           "
+            , x
+            , y
+            , keyFlags
+    );
+
+    if((keyFlags & MK_CONTROL) == MK_CONTROL){
+        SetTextColor(hdc, RGB(0, 0, 255));
+    }
+    if((keyFlags & MK_LBUTTON) == MK_LBUTTON){
+        SetTextColor(hdc, RGB(0, 255, 0));
+    }
+    if((keyFlags & MK_RBUTTON) == MK_RBUTTON){
+        SetTextColor(hdc, RGB(255, 0, 0));
+    }
+    if((keyFlags & MK_SHIFT) == MK_SHIFT){
+        SetTextColor(hdc, RGB(255, 0, 255));
+    }
+
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 80, s, size);
+    ReleaseDC(hwnd, hdc);
+}
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+c_WinGuiApp_EventBegin(WndProc)
+        c_WinGuiApp_OnEvent(WM_CREATE, MainWindow_OnCreate)
+        c_WinGuiApp_OnEvent(WM_CHAR, MainWindow_OnChar)
+        c_WinGuiApp_OnEvent(WM_KEYDOWN, MainWindow_OnKey)
+        c_WinGuiApp_OnEvent(WM_KEYUP, MainWindow_OnKey)
+        c_WinGuiApp_OnEvent(WM_SYSKEYDOWN, MainWindow_OnSysKey)
+        c_WinGuiApp_OnEvent(WM_SYSKEYUP, MainWindow_OnSysKey)
+        c_WinGuiApp_OnEvent(WM_MOUSEMOVE, MainWindow_OnMouseMove)
+        c_WinGuiApp_OnEvent(WM_LBUTTONDBLCLK, MainWindow_OnLButtonDown)
+        c_WinGuiApp_OnEvent(WM_LBUTTONDOWN, MainWindow_OnLButtonDown)
+        c_WinGuiApp_OnEvent(WM_LBUTTONUP, MainWindow_OnLButtonUp)
+        c_WinGuiApp_OnEvent(WM_DESTROY, MainWindow_OnDestroy)
+        c_WinGuiApp_OnEvent(WM_PAINT, MainWindow_OnPaint)
+c_WinGuiApp_EventEnd
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+
+
+static bool Register(HINSTANCE hInstance){
+    WNDCLASS WndClass;
+    WndClass.lpszClassName = MAIN_WINDOW_CLASSNAME;
+    WndClass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
+    WndClass.cbWndExtra = 0;
+    WndClass.cbClsExtra = 0;
+    WndClass.hInstance = hInstance;
+    WndClass.lpfnWndProc = WndProc;
+    WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
+    WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
+    WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+    WndClass.lpszMenuName = NULL;
+    return (RegisterClass(&WndClass)!=0);
+}
+
+
+static HWND Create(HINSTANCE hInstance, int nCmdShow){
+    HWND hWindow = CreateWindowEx(0, MAIN_WINDOW_CLASSNAME, MAIN_WINDOW_CLASSNAME,
+                                  WS_OVERLAPPEDWINDOW,
+                                  800, 600,
+                                  CW_USEDEFAULT, CW_USEDEFAULT,
+                                  NULL, NULL, hInstance, NULL);
+    if(!hWindow) return NULL;
+    c_WinGuiApp.hMainWindow = hWindow;
+    ShowWindow(hWindow, nCmdShow);
+    UpdateWindow(hWindow);
+    return hWindow;
+}
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+
+c_WinGuiApp_Main(Register, Create)
+
+

c_WinGuiApp.h

@@ -21,6 +21,11 @@
 #include <stdlib.h>
 #endif /*INCLUDED_STDLIB_H*/
 
+#ifndef INCLUDED_STDIO_H
+#define INCLUDED_STDIO_H
+#include <stdio.h>
+#endif /*INCLUDED_STDIO_H*/
+
 #ifndef INCLUDED_TIME_H
 #define INCLUDED_TIME_H
 #include <time.h>
@@ -52,8 +57,6 @@
 #endif /*INCLUDED_INTTYPES_H*/
 
 
-
-
 /* -------------------------------------------------------------------------------------------------------------- */
 /*  */
 

c_WinGuiUtil.c

@@ -0,0 +1,11 @@
+#include <c_WinGuiUtil.h>
+
+void c_WinGuiUtil_MoveWindowToScreenCenter(HWND hwnd){
+    int width = GetSystemMetrics(SM_CXSCREEN);
+    int height = GetSystemMetrics(SM_CYSCREEN);
+    RECT Rect;
+    GetWindowRect(hwnd, &Rect);
+    int x = (width - (Rect.right - Rect.left))/2;
+    int y = (height - (Rect.bottom - Rect.top))/2;
+    SetWindowPos(hwnd, NULL, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
+}

c_WinGuiUtil.h

@@ -0,0 +1,25 @@
+#ifndef INCLUDED_C_WINGUIUTIL_H
+#define INCLUDED_C_WINGUIUTIL_H
+
+#ifndef INCLUDED_WINDOWS_H
+#define INCLUDED_WINDOWS_H
+#include <windows.h>
+#endif /*INCLUDED_WINDOWS_H*/
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+
+
+typedef struct {
+    int x;
+    int y;
+}c_WinGui_Point_t;
+
+/* -------------------------------------------------------------------------------------------------------------- */
+/*  */
+
+void c_WinGuiUtil_MoveWindowToScreenCenter(HWND hwnd);
+
+
+#endif /*INCLUDED_C_WINGUIUTIL_H*/