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#pragma comment(linker, "/SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")
#pragma comment(lib, "comctl32.lib")
#include <GL/freeglut/freeglut.h>
#include "resource.h"
#include <commctrl.h> //CreateStatusWindow()のために必要
//FreeGlutのウインドウプロシージャを置き換える為の変数
WNDPROC WndProc=NULL; //元のウィンドウプロシージャ
HWND hWnd2=NULL; //ウィンドウハンドル
HMENU hMenu=NULL; //メニュー
HWND hStatusbar; // ステータスバーのハンドル
HINSTANCE hInstance; //インスタンスハンドル
#define WIDTH 320
#define HEIGHT 240
//回転用
float anglex = 0.0f;
//白
GLfloat white[] = { 1.0, 1.0, 1.0, 1.0 };
static LRESULT ScrollProc(HWND hwnd,int nScrollCode,short nPos,HWND
hwndScrollBar){
static int gPos=5;
int gMin;
int gMax;
if(hwndScrollBar!=NULL)
{
GetScrollRange(hwndScrollBar,SB_CTL,&gMin,&gMax);
switch(nScrollCode)
{
case SB_LINEDOWN:
gPos=GetScrollPos(hwndScrollBar,SB_CTL);
gPos+=1;
if(gPos>gMax)
gPos=gMax;
break;
case SB_LINEUP:
gPos=GetScrollPos(hwndScrollBar,SB_CTL);
gPos-=1;
if(gPos<gMin)
gPos=gMin;
break;
case SB_PAGEUP:
gPos=GetScrollPos(hwndScrollBar,SB_CTL);
gPos-=2;
if(gPos<gMin)
gPos=gMin;
break;
case SB_PAGEDOWN:
gPos=GetScrollPos(hwndScrollBar,SB_CTL);
gPos+=2;
if(gPos>gMax)
gPos=gMax;
break;
case SB_THUMBPOSITION:
gPos=nPos;
break;
}
SetScrollPos(hwndScrollBar,SB_CTL,gPos,TRUE);
}
return 0;
}
//置き換えた後のプロシージャ
LRESULT CALLBACK WndProc2(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp){
static RECT rcDisp;
switch (msg) {
case WM_CREATE:
// コモンコントロールの初期化
InitCommonControls();
break;
case WM_COMMAND:
switch(LOWORD(wp)) {
case ID_EXIT:
PostQuitMessage(0);
break;
}
break;
case WM_SIZE:
GetClientRect(hWnd, &rcDisp);
SendMessage( hStatusbar, WM_SIZE, wp, lp );
break;
case WM_DESTROY:
exit(0);
break;
case WM_VSCROLL:
return ScrollProc(hWnd,LOWORD(wp),HIWORD(wp),(HWND)lp);
break;
default:
if(WndProc){
return CallWindowProc(WndProc,hWnd , msg , wp , lp);
}else{
return DefWindowProc(hWnd,msg,wp,lp);
}
}
return 0;
}
//ウィンドウの検索
BOOL CALLBACK enumWindowsProc(HWND hWnd,LPARAM lParam){
HANDLE hModule=(HANDLE)GetWindowLong(hWnd,GWL_HINSTANCE);
if(GetModuleHandle(NULL)==hModule){
wchar_t ClassName[256];
GetClassNameW(hWnd,ClassName,sizeof(ClassName)/sizeof(ClassName[0]));
if(wcsncmp(ClassName,L"FREEGLUT",wcslen(ClassName))==0){
hWnd2=hWnd;
return FALSE;
}
}
return TRUE;
}
void display(void){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, WIDTH, HEIGHT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(30.0, (double)WIDTH / (double)HEIGHT, 1.0, 1000.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(150.0,150.0,-150.0,
0.0,0.0,0.0,
0.0,1.0,0.0);
glMaterialfv(GL_FRONT, GL_DIFFUSE, white);
//回転
glRotatef(anglex,1.0f,0.0f,0.0f);//X軸を回転
glutSolidSphere(40.0,16,16);
glutSwapBuffers();
}
void idle(void){
anglex+=2.0f;
Sleep(1);
glutPostRedisplay();
}
void Init(){
glClearColor(0.3f, 0.3f, 0.3f, 1.0f);
glEnable(GL_DEPTH_TEST);
//ワイヤーフレーム
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
bool main(int argc, char *argv[]){
glutInitWindowPosition(100, 100);
glutInitWindowSize(WIDTH, HEIGHT);
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
glutCreateWindow("スクロールバー");
//FreeGlutのウインドウハンドルとウインドウプロシージャを置き換える
EnumWindows(enumWindowsProc,0);
if(hWnd2){
WndProc=(WNDPROC)GetWindowLong(hWnd2,GWL_WNDPROC);
SetWindowLong(hWnd2,GWL_WNDPROC,(LONG)WndProc2);
}else{
return false;
}
//メニューを作成
hMenu=LoadMenu(GetModuleHandle(NULL),MAKEINTRESOURCE(IDR_MENU1));
if(hMenu){
SetMenu(hWnd2,hMenu);
}else{
return false;
}
// ステータスバーを作成
hStatusbar = CreateStatusWindowW(WS_CHILD | WS_VISIBLE | CCS_BOTTOM |
SBARS_SIZEGRIP,
L"ステータスバー",hWnd2,ID_STATUS);
HINSTANCE hInst = (HINSTANCE)GetWindowLong(hWnd2, GWL_HINSTANCE);
HWND hScroll = CreateWindow(L"SCROLLBAR",L"",WS_CHILD|WS_VISIBLE|SBS_VERT,
10,10,40,150,hWnd2,(HMENU)ID_SCROLL,hInst,NULL);
SetScrollRange(GetDlgItem(hWnd2,ID_SCROLL),SB_CTL,0,10,TRUE);
SetScrollPos(GetDlgItem(hWnd2,ID_SCROLL),SB_CTL,5,TRUE);
glutDisplayFunc(display);
glutIdleFunc(idle);
Init();
glutMainLoop();
return 0;
}
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