Окно не перерисовывается при разворачивании
02.12.2012, 16:46. Показов 1554. Ответов 8
Задание
Написать две программы, каждая из которых создает окно. На первом из них должны быть созданы две группы RadioButton. В первой из них имеется выбор из трех цветов: красный, синий, зеленый. Во второй – из четырех типов примитивов: ромб, квадрат, круг, звезда. Также на первом окне должен быть создан Checkbox c надписью «Draw». Информация об изменениях состояния данных Checkbox и RadioButtons должна передаваться во второе окно. При щелчке мышкой по второму окну проверяется переданная информация о состоянии CheckBox. Если он не выбран, ничего не происходит; если он выбран, то в точке щелчка мышки рисуется выбранный во второй группе RadioButtons примитив цветом, выбранным в первой из групп.
само задание я сделал. только вот нету перерисовки при разворачивании. я решил засунуть все фигуры в массив, а когда будет разворачиваться окно, то отрисовать все фигуры из массива. только вот не рисуется((( массив заполнен фигурами, всё норм. не могу понять, почему не отрисовывается. помогите с отрисовкой при развороте. можно любой способ перерисовки.
1е окно
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| // GT_HelloWorldWin32.cpp
// compile with: /D_UNICODE /DUNICODE /DWIN32 /D_WINDOWS /c
#include <windows.h>
#include <stdlib.h>
#include <string.h>
#include <tchar.h>
#define CHECKBOX_DRAW 1
#define RADIOBUTTON_RED_COLOUR 2
#define RADIOBUTTON_BLUE_COLOUR 3
#define RADIOBUTTON_GREEN_COLOUR 4
#define RADIOBUTTON_FIGURE_DIAMOND 5
#define RADIOBUTTON_FIGURE_SQUARE 6
#define RADIOBUTTON_FIGURE_CIRCLE 7
#define RADIOBUTTON_FIGURE_STAR 8
static TCHAR szWindowClass[] = _T("1st part");
static TCHAR szTitle[] = _T("1st Part");
BYTE isDrawing, colorCode, figureCode;
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
if (!RegisterClassEx(&wcex))
{
MessageBox(NULL,
_T("Call to RegisterClassEx failed!"),
_T("Win32 Guided Tour"),
NULL);
return 1;
}
HWND hWnd = CreateWindow(
szWindowClass,
szTitle,
WS_OVERLAPPEDWINDOW & ~(WS_THICKFRAME),
0, 0,
178, 158,
NULL,
NULL,
hInstance,
NULL
);
//чекбокс
CreateWindow(
L"button", L"Draw",
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTOCHECKBOX,
0,0,80,30,
hWnd,(HMENU)CHECKBOX_DRAW, hInstance, NULL);
// Цвет
CreateWindow(_T("button"), _T("Red"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON|
WS_GROUP,
0, 30, 80, 30,
hWnd, (HMENU)RADIOBUTTON_RED_COLOUR, hInstance, NULL);
CreateWindow(_T("button"), _T("Blue"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON,
0, 60, 80, 30,
hWnd, (HMENU)RADIOBUTTON_BLUE_COLOUR, hInstance, NULL);
CreateWindow(_T("button"), _T("Green"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON,
0, 90, 80, 30,
hWnd, (HMENU)RADIOBUTTON_GREEN_COLOUR, hInstance, NULL);
// Примитивы
CreateWindow(_T("button"), _T("Diamond"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON|
WS_GROUP,
80, 0, 80, 30,
hWnd, (HMENU)RADIOBUTTON_FIGURE_DIAMOND, hInstance, NULL);
CreateWindow(_T("button"), _T("Square"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON,
80, 30, 80, 30,
hWnd, (HMENU)RADIOBUTTON_FIGURE_SQUARE, hInstance, NULL);
CreateWindow(_T("button"), _T("Circle"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON,
80, 60, 80, 30,
hWnd, (HMENU)RADIOBUTTON_FIGURE_CIRCLE, hInstance, NULL);
CreateWindow(_T("button"), _T("Star"),
WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|BS_AUTORADIOBUTTON,
80, 90, 80, 30,
hWnd, (HMENU)RADIOBUTTON_FIGURE_STAR, hInstance, NULL);
if (!hWnd)
{
MessageBox(NULL,
_T("Call to CreateWindow failed!"),
_T("Win32 Guided Tour"),
NULL);
return 1;
}
ShowWindow(hWnd,
nCmdShow);
UpdateWindow(hWnd);
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
UINT code; // код уведомления
UINT idCtrl; // идентификатор дочернего окна
HWND hChild; // дескриптор дочернего окна
//copydata message using items
HWND foundWindow;
BYTE res[3];
COPYDATASTRUCT cds;
switch (message)
{
case WM_CREATE:
isDrawing = false;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
break;
case WM_COMMAND:
code=HIWORD(wParam); // код уведомления
idCtrl=LOWORD(wParam); // идентификатор дочернего окна
hChild=(HWND)lParam; // дескриптор дочернего окна
// Получение сообщения о нажатии BN_CLICKED от пары кнопок BS_AUTORADIOBUTTON
if (code == BN_CLICKED) {
switch (idCtrl)
{
case CHECKBOX_DRAW:
isDrawing = !isDrawing;
break;
case RADIOBUTTON_RED_COLOUR:
colorCode = 1;
break;
case RADIOBUTTON_BLUE_COLOUR:
colorCode = 2;
break;
case RADIOBUTTON_GREEN_COLOUR:
colorCode = 3;
break;
case RADIOBUTTON_FIGURE_DIAMOND:
figureCode = 1;
break;
case RADIOBUTTON_FIGURE_SQUARE:
figureCode = 2;
break;
case RADIOBUTTON_FIGURE_CIRCLE:
figureCode = 3;
break;
case RADIOBUTTON_FIGURE_STAR:
figureCode = 4;
break;
}
}
// Parse the menu selections:
break;
case WM_COPYDATA:
//foundWindow = FindWindow(NULL, L"2ndPart");
foundWindow = (HWND)wParam;
if (foundWindow != NULL)
{
res[0] = isDrawing;
res[1] = colorCode;
res[2] = figureCode;
cds.cbData = sizeof(BYTE)*3;
cds.lpData = res;
SendMessage(foundWindow, WM_COPYDATA, 0, (LPARAM)&cds);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
break;
}
return 0;
} |
|
2е окно
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| #include <windows.h>
#include <stdlib.h>
#include <string.h>
#include <tchar.h>
#include <vector>
using namespace std;
// Global variables
// The main window class name.
static TCHAR szWindowClass[] = _T("2ndpart");
// The string that appears in the application's title bar.
static TCHAR szTitle[] = _T("Drawing window");
HINSTANCE hInst;
HRGN region;
vector<HRGN> figures;
vector<HBRUSH> brushies;
// Forward declarations of functions included in this code module:
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
//drawing functions
void DrawStar(HWND, HBRUSH);
void DrawDiamond(HWND, HBRUSH);
void DrawSquare(HWND, HBRUSH);
void DrawCircle(HWND, HBRUSH);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_APPLICATION));
if (!RegisterClassEx(&wcex))
{
MessageBox(NULL,
_T("Call to RegisterClassEx failed!"),
_T("Win32 Guided Tour"),
NULL);
return 1;
}
hInst = hInstance; // Store instance handle in our global variable
// The parameters to CreateWindow explained:
// szWindowClass: the name of the application
// szTitle: the text that appears in the title bar
// WS_OVERLAPPEDWINDOW: the type of window to create
// CW_USEDEFAULT, CW_USEDEFAULT: initial position (x, y)
// 500, 100: initial size (width, length)
// NULL: the parent of this window
// NULL: this application does not have a menu bar
// hInstance: the first parameter from WinMain
// NULL: not used in this application
HWND hWnd = CreateWindow(
szWindowClass,
szTitle,
WS_OVERLAPPEDWINDOW & ~(WS_THICKFRAME),
180, 0,
320, 240,
NULL,
NULL,
hInstance,
NULL
);
if (!hWnd)
{
MessageBox(NULL,
_T("Call to CreateWindow failed!"),
_T("Win32 Guided Tour"),
NULL);
return 1;
}
// The parameters to ShowWindow explained:
// hWnd: the value returned from CreateWindow
// nCmdShow: the fourth parameter from WinMain
ShowWindow(hWnd,
nCmdShow);
UpdateWindow(hWnd);
// Main message loop:
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
RECT rect;
int store;
bool isDraw = false;
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
BYTE *res;
//cap for messaging
bool cap;
COPYDATASTRUCT cds;
cds.cbData = sizeof(bool);
cds.lpData = ∩
COPYDATASTRUCT* resCDS;
HBRUSH coloredBrush;
static int shapeMultiplier = 6;
HRGN region;
POINT mouseCoords;
POINT* pointArray;
HWND findWindow;
switch (message)
{
case WM_RBUTTONDOWN:
InvalidateRect(hWnd, NULL, true);
break;
case WM_LBUTTONDOWN:
findWindow = FindWindow(NULL, _T("1st part"));
if (findWindow != NULL)
SendMessage(findWindow, WM_COPYDATA, (WPARAM)hWnd, (LPARAM)&cds);
break;
case WM_COPYDATA:
resCDS = (COPYDATASTRUCT*)lParam;
res = (BYTE*)resCDS->lpData;
if (res[0] == 1)
{
isDraw = true;
switch (res[1])
{
case 1:
coloredBrush = CreateSolidBrush(RGB(255,0,0));
break;
case 2:
coloredBrush = CreateSolidBrush(RGB(0,0,255));
break;
case 3:
coloredBrush = CreateSolidBrush(RGB(0,255,0));
break;
}
switch (res[2])
{
case 1:
DrawDiamond(hWnd,coloredBrush);
break;
case 2:
DrawSquare(hWnd, coloredBrush);
break;
case 3:
DrawCircle(hWnd, coloredBrush);
break;
case 4:
DrawStar(hWnd, coloredBrush);
break;
}
DeleteObject(coloredBrush);
}
break;
case WM_SIZE:
hdc = GetDC(hWnd);
if(figures.size() != 0)
{
for(int i = 0; i < figures.size(); i++)
FillRgn(hdc, figures[i], brushies[i]);
}
ReleaseDC(hWnd, hdc);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
break;
}
return 0;
}
void DrawDiamond(HWND hWnd, HBRUSH coloredBrush)
{
static int shapeMultiplier = 6;
POINT mouseCoords;
POINT* pointArray;
GetCursorPos(&mouseCoords);
ScreenToClient(hWnd, &mouseCoords);
pointArray = (POINT*)malloc(sizeof(POINT)*5);
pointArray[0].x = mouseCoords.x;
pointArray[0].y = mouseCoords.y + shapeMultiplier*3;
pointArray[1].x = mouseCoords.x + shapeMultiplier*2;
pointArray[1].y = mouseCoords.y;
pointArray[2].x = mouseCoords.x;
pointArray[2].y = mouseCoords.y - shapeMultiplier*3;
pointArray[3].x = mouseCoords.x - shapeMultiplier*2;
pointArray[3].y = mouseCoords.y;
pointArray[4].x = mouseCoords.x;
pointArray[4].y = mouseCoords.y + shapeMultiplier*3;
region = CreatePolygonRgn(pointArray, (int)5, WINDING);
figures.push_back(region);
brushies.push_back(coloredBrush);
HDC hdc = GetDC(hWnd);
FillRgn(hdc, region, coloredBrush);
ReleaseDC(hWnd, hdc);
}
void DrawSquare(HWND hWnd, HBRUSH coloredBrush)
{
static int shapeMultiplier = 6;
HRGN region;
POINT mouseCoords;
POINT* pointArray;
GetCursorPos(&mouseCoords);
ScreenToClient(hWnd, &mouseCoords);
pointArray = (POINT*)malloc(sizeof(POINT)*5);
pointArray[0].x = mouseCoords.x + shapeMultiplier*2;
pointArray[0].y = mouseCoords.y + shapeMultiplier*2;
pointArray[1].x = mouseCoords.x + shapeMultiplier*2;
pointArray[1].y = mouseCoords.y - shapeMultiplier*2;
pointArray[2].x = mouseCoords.x - shapeMultiplier*2;
pointArray[2].y = mouseCoords.y - shapeMultiplier*2;
pointArray[3].x = mouseCoords.x - shapeMultiplier*2;
pointArray[3].y = mouseCoords.y + shapeMultiplier*2;
pointArray[4].x = mouseCoords.x + shapeMultiplier*2;
pointArray[4].y = mouseCoords.y + shapeMultiplier*2;
region = CreatePolygonRgn(pointArray, (int)5, WINDING);
figures.push_back(region);
brushies.push_back(coloredBrush);
HDC hdc = GetDC(hWnd);
FillRgn(hdc, region, coloredBrush);
ReleaseDC(hWnd, hdc);
}
void DrawCircle(HWND hWnd, HBRUSH coloredBrush)
{
static int shapeMultiplier = 6;
HRGN region;
POINT mouseCoords;
POINT* pointArray;
GetCursorPos(&mouseCoords);
ScreenToClient(hWnd, &mouseCoords);
region = CreateEllipticRgn(mouseCoords.x - shapeMultiplier*2,
mouseCoords.y - shapeMultiplier*2, mouseCoords.x + shapeMultiplier*2,
mouseCoords.y + shapeMultiplier*2);
figures.push_back(region);
brushies.push_back(coloredBrush);
HDC hdc = GetDC(hWnd);
FillRgn(hdc, region, coloredBrush);
ReleaseDC(hWnd, hdc);
}
void DrawStar(HWND hWnd, HBRUSH coloredBrush)
{
static int shapeMultiplier = 6;
HRGN region;
POINT mouseCoords;
POINT* pointArray;
GetCursorPos(&mouseCoords);
ScreenToClient(hWnd, &mouseCoords);
pointArray = (POINT*)malloc(sizeof(POINT)*11);
pointArray[0].x = mouseCoords.x;
pointArray[0].y = mouseCoords.y - shapeMultiplier*2;
pointArray[1].x = mouseCoords.x + shapeMultiplier;
pointArray[1].y = mouseCoords.y;
pointArray[2].x = mouseCoords.x + shapeMultiplier*3;
pointArray[2].y = mouseCoords.y;
pointArray[3].x = mouseCoords.x + shapeMultiplier;
pointArray[3].y = mouseCoords.y + shapeMultiplier;
pointArray[4].x = mouseCoords.x + shapeMultiplier*2;
pointArray[4].y = mouseCoords.y + shapeMultiplier*4;
pointArray[5].x = mouseCoords.x;
pointArray[5].y = mouseCoords.y + shapeMultiplier*2;
pointArray[6].x = mouseCoords.x - shapeMultiplier*2;
pointArray[6].y = mouseCoords.y + shapeMultiplier*4;
pointArray[7].x = mouseCoords.x - shapeMultiplier;
pointArray[7].y = mouseCoords.y + shapeMultiplier;
pointArray[8].x = mouseCoords.x - shapeMultiplier*3;
pointArray[8].y = mouseCoords.y;
pointArray[9].x = mouseCoords.x - shapeMultiplier;
pointArray[9].y = mouseCoords.y;
pointArray[10].x = mouseCoords.x;
pointArray[10].y = mouseCoords.y - shapeMultiplier*2;
region = CreatePolygonRgn(pointArray, (int)11, WINDING);
figures.push_back(region);
brushies.push_back(coloredBrush);
HDC hdc = GetDC(hWnd);
FillRgn(hdc, region, coloredBrush);
ReleaseDC(hWnd, hdc);
} |
|
Добавлено через 14 часов 50 минут
неужели никто не может помочь с отрисовкой при разворачивании. нужно, чтоб содержимое окна не пропадало
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Сообщение от rpo6oBLLLuK
