feat: implement the second lab

BSUIR-SFIT-Labs · Dec 2, 2020 · 24b8d89 · 24b8d89
1 parent 2486677
commit 24b8d89
Showing 1 changed file with 82 additions and 6 deletions.
diff --git a/Lab_2/Lab_2/Lab_2.cpp b/Lab_2/Lab_2/Lab_2.cpp
@@ -1,16 +1,81 @@
 #include <Windows.h>
+#include <string>
+#include <fstream>
+
+using namespace std;
+
+#define BACKGROUND_COLOR COLOR_WINDOW 
 
 constexpr auto WINDOW_NAME = "Lab_2";
+constexpr auto PATH_TO_FILE = "D:\\text.txt";
+constexpr auto NUM_OF_COLUMNS = 4;
+constexpr auto NUM_OF_ROWS = 6;
 
 ATOM RegisterWindowClass(HINSTANCE);
 BOOL InitWindowInstance(HINSTANCE, int);
 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 
-int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR cmdLine, int cmdShowMode)
+string _listOfData[NUM_OF_COLUMNS * NUM_OF_ROWS];
+int _userWindowWidth = 0;
+int _userWindowHeight = 0;
+
+void GetDataFromFile() 
+{
+    int requiredNumOfLines = NUM_OF_COLUMNS * NUM_OF_ROWS;
+
+    ifstream file(PATH_TO_FILE);
+
+    int i = 0;
+    while (getline(file, _listOfData[i]) && i < requiredNumOfLines) 
+        i++;
+
+    file.close();
+}
+
+void DrawTableWithText(HWND hWnd)
 {
-    UNREFERENCED_PARAMETER(hPrevInstance);
-    UNREFERENCED_PARAMETER(cmdLine);
+    RECT rect;
+    PAINTSTRUCT paintStruct;
+    HDC hdc = BeginPaint(hWnd, &paintStruct);
+
+    int columnWidth = _userWindowWidth / NUM_OF_COLUMNS;
+    int tableHeight = 0;
+
+    for (int i = 0; i < NUM_OF_ROWS; i++)
+    {
+        int currentMaxColumnHeight = 0;
+
+        for (int j = 0; j < NUM_OF_COLUMNS; j++)
+        {
+            SetTextColor(hdc, RGB(128, 57, 30));
+
+            LPCSTR dataItem = _listOfData[NUM_OF_COLUMNS * i + j].c_str();
+            int lengthOfDataItem = strlen(dataItem);
 
+            SetRect(&rect, j * columnWidth + 1, tableHeight + 1, (j + 1) * columnWidth - 1, _userWindowHeight);
+            int strHeight = DrawTextA(hdc, dataItem, lengthOfDataItem, &rect, DT_WORDBREAK);
+
+            if (strHeight > currentMaxColumnHeight)
+                currentMaxColumnHeight = strHeight;
+
+        }
+
+        tableHeight += currentMaxColumnHeight;
+
+        MoveToEx(hdc, 0, tableHeight, NULL);
+        LineTo(hdc, _userWindowWidth, tableHeight);
+    }
+
+    for (int i = 1; i < NUM_OF_COLUMNS; i++)
+    {
+        int columnPosition = i * columnWidth;
+        MoveToEx(hdc, columnPosition, 0, NULL);
+        LineTo(hdc, columnPosition, tableHeight);
+    }
+}
+
+int APIENTRY WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPTSTR cmdLine, _In_ int cmdShowMode)
+{
     MSG msg;
 
     RegisterWindowClass(hInstance);
@@ -39,7 +104,7 @@ ATOM RegisterWindowClass(HINSTANCE hInstance)
     windowClassEx.hInstance = hInstance;
     windowClassEx.hIcon = LoadIcon(0, IDI_WINLOGO);;
     windowClassEx.hCursor = LoadCursor(0, IDC_ARROW);
-    windowClassEx.hbrBackground = (HBRUSH)(COLOR_WINDOW);
+    windowClassEx.hbrBackground = CreateSolidBrush(GetSysColor(BACKGROUND_COLOR));
     windowClassEx.lpszMenuName = 0;
     windowClassEx.lpszClassName = WINDOW_NAME;
     windowClassEx.hIconSm = 0;
@@ -58,7 +123,6 @@ BOOL InitWindowInstance(HINSTANCE hInstance, int cmdShowMode)
         return FALSE;
 
     ShowWindow(hWnd, cmdShowMode);
-    UpdateWindow(hWnd);
 
     return TRUE;
 }
@@ -67,6 +131,18 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 {
     switch (message)
     {
+    case WM_CREATE:
+        GetDataFromFile();
+        break;
+    case WM_PAINT:
+    {
+        DrawTableWithText(hWnd);
+        break;
+    }
+    case WM_SIZE:
+        _userWindowWidth = LOWORD(lParam);
+        _userWindowHeight = HIWORD(lParam);
+        break;
     case WM_DESTROY:
         PostQuitMessage(0);
         return 0;
@@ -75,4 +151,4 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
     }
 
     return 0;
-}
+}