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solvespace/win32/w32main.cpp

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#include <windows.h>
#include <shellapi.h>
#include <commctrl.h>
#include <commdlg.h>
#include <gl/gl.h>
#include <gl/glu.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#include <si/si.h>
#include <si/siapp.h>
#include "solvespace.h"
#define FREEZE_SUBKEY "SolveSpace"
#include "freeze.h"
// For the edit controls
#define EDIT_WIDTH 220
#define EDIT_HEIGHT 21
HINSTANCE Instance;
HWND TextWnd;
HWND TextWndScrollBar;
HWND TextEditControl;
HGLRC TextGl;
int TextEditControlCol, TextEditControlHalfRow;
HWND GraphicsWnd;
HGLRC GraphicsGl;
HWND GraphicsEditControl;
struct {
int x, y;
} LastMousePos;
char RecentFile[MAX_RECENT][MAX_PATH];
HMENU SubMenus[100];
HMENU RecentOpenMenu, RecentImportMenu;
HMENU ContextMenu, ContextSubmenu;
int ClientIsSmallerBy;
HFONT FixedFont;
// The 6-DOF input device.
SiHdl SpaceNavigator = SI_NO_HANDLE;
//-----------------------------------------------------------------------------
// Routines to display message boxes on screen. Do our own, instead of using
// MessageBox, because that is not consistent from version to version and
// there's word wrap problems.
//-----------------------------------------------------------------------------
HWND MessageWnd, OkButton;
BOOL MessageDone;
char *MessageString;
static LRESULT CALLBACK MessageProc(HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam)
{
switch (msg) {
case WM_COMMAND:
if((HWND)lParam == OkButton && wParam == BN_CLICKED) {
MessageDone = TRUE;
}
break;
case WM_CLOSE:
case WM_DESTROY:
MessageDone = TRUE;
break;
case WM_PAINT: {
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hwnd, &ps);
int row = 0, col = 0, i;
SelectObject(hdc, FixedFont);
SetTextColor(hdc, RGB(0, 0, 0));
SetBkMode(hdc, TRANSPARENT);
for(i = 0; MessageString[i]; i++) {
if(MessageString[i] == '\n') {
col = 0;
row++;
} else {
TextOut(hdc, col*SS.TW.CHAR_WIDTH + 10,
row*SS.TW.LINE_HEIGHT + 10,
&(MessageString[i]), 1);
col++;
}
}
EndPaint(hwnd, &ps);
break;
}
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 1;
}
HWND CreateWindowClient(DWORD exStyle, char *className, char *windowName,
DWORD style, int x, int y, int width, int height, HWND parent,
HMENU menu, HINSTANCE instance, void *param)
{
HWND h = CreateWindowEx(exStyle, className, windowName, style, x, y,
width, height, parent, menu, instance, param);
RECT r;
GetClientRect(h, &r);
width = width - (r.right - width);
height = height - (r.bottom - height);
SetWindowPos(h, HWND_TOP, x, y, width, height, 0);
return h;
}
void DoMessageBox(char *str, int rows, int cols, BOOL error)
{
EnableWindow(GraphicsWnd, FALSE);
EnableWindow(TextWnd, FALSE);
HWND h = GetForegroundWindow();
// Register the window class for our dialog.
WNDCLASSEX wc;
memset(&wc, 0, sizeof(wc));
wc.cbSize = sizeof(wc);
wc.style = CS_BYTEALIGNCLIENT | CS_BYTEALIGNWINDOW | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC)MessageProc;
wc.hInstance = Instance;
wc.hbrBackground = (HBRUSH)COLOR_BTNSHADOW;
wc.lpszClassName = "MessageWnd";
wc.lpszMenuName = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = (HICON)LoadImage(Instance, MAKEINTRESOURCE(4000),
IMAGE_ICON, 32, 32, 0);
wc.hIconSm = (HICON)LoadImage(Instance, MAKEINTRESOURCE(4000),
IMAGE_ICON, 16, 16, 0);
RegisterClassEx(&wc);
// Create the window.
MessageString = str;
RECT r;
GetWindowRect(GraphicsWnd, &r);
char *title = error ? "SolveSpace - Error" : "SolveSpace - Message";
int width = cols*SS.TW.CHAR_WIDTH + 20,
height = rows*SS.TW.LINE_HEIGHT + 60;
MessageWnd = CreateWindowClient(0, "MessageWnd", title,
WS_OVERLAPPED | WS_SYSMENU,
r.left + 100, r.top + 100, width, height, NULL, NULL, Instance, NULL);
OkButton = CreateWindowEx(0, WC_BUTTON, "OK",
WS_CHILD | WS_TABSTOP | WS_CLIPSIBLINGS | WS_VISIBLE | BS_DEFPUSHBUTTON,
(width - 70)/2, rows*SS.TW.LINE_HEIGHT + 20,
70, 25, MessageWnd, NULL, Instance, NULL);
SendMessage(OkButton, WM_SETFONT, (WPARAM)FixedFont, TRUE);
ShowWindow(MessageWnd, TRUE);
SetFocus(OkButton);
MSG msg;
DWORD ret;
MessageDone = FALSE;
while((ret = GetMessage(&msg, NULL, 0, 0)) && !MessageDone) {
if((msg.message == WM_KEYDOWN &&
(msg.wParam == VK_RETURN ||
msg.wParam == VK_ESCAPE)) ||
(msg.message == WM_KEYUP &&
(msg.wParam == VK_SPACE)))
{
MessageDone = TRUE;
break;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
MessageString = NULL;
EnableWindow(TextWnd, TRUE);
EnableWindow(GraphicsWnd, TRUE);
SetForegroundWindow(GraphicsWnd);
DestroyWindow(MessageWnd);
}
void AddContextMenuItem(char *label, int id)
{
if(!ContextMenu) ContextMenu = CreatePopupMenu();
if(id == CONTEXT_SUBMENU) {
AppendMenu(ContextMenu, MF_STRING | MF_POPUP,
(UINT_PTR)ContextSubmenu, label);
ContextSubmenu = NULL;
} else {
HMENU m = ContextSubmenu ? ContextSubmenu : ContextMenu;
if(id == CONTEXT_SEPARATOR) {
AppendMenu(m, MF_SEPARATOR, 0, "");
} else {
AppendMenu(m, MF_STRING, id, label);
}
}
}
void CreateContextSubmenu(void)
{
ContextSubmenu = CreatePopupMenu();
}
int ShowContextMenu(void)
{
POINT p;
GetCursorPos(&p);
int r = TrackPopupMenu(ContextMenu,
TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_TOPALIGN,
p.x, p.y, 0, GraphicsWnd, NULL);
DestroyMenu(ContextMenu);
ContextMenu = NULL;
return r;
}
void CALLBACK TimerCallback(HWND hwnd, UINT msg, UINT_PTR id, DWORD time)
{
// The timer is periodic, so needs to be killed explicitly.
KillTimer(GraphicsWnd, 1);
SS.GW.TimerCallback();
SS.TW.TimerCallback();
}
void SetTimerFor(int milliseconds)
{
SetTimer(GraphicsWnd, 1, milliseconds, TimerCallback);
}
static void GetWindowSize(HWND hwnd, int *w, int *h)
{
RECT r;
GetClientRect(hwnd, &r);
*w = r.right - r.left;
*h = r.bottom - r.top;
}
void GetGraphicsWindowSize(int *w, int *h)
{
GetWindowSize(GraphicsWnd, w, h);
}
void GetTextWindowSize(int *w, int *h)
{
GetWindowSize(TextWnd, w, h);
}
void OpenWebsite(char *url) {
ShellExecute(GraphicsWnd, "open", url, NULL, NULL, SW_SHOWNORMAL);
}
void ExitNow(void) {
PostQuitMessage(0);
}
//-----------------------------------------------------------------------------
// Helpers so that we can read/write registry keys from the platform-
// independent code.
//-----------------------------------------------------------------------------
void CnfFreezeString(char *str, char *name)
{ FreezeStringF(str, FREEZE_SUBKEY, name); }
void CnfFreezeDWORD(DWORD v, char *name)
{ FreezeDWORDF(v, FREEZE_SUBKEY, name); }
void CnfFreezeFloat(float v, char *name)
{ FreezeDWORDF(*((DWORD *)&v), FREEZE_SUBKEY, name); }
void CnfThawString(char *str, int maxLen, char *name)
{ ThawStringF(str, maxLen, FREEZE_SUBKEY, name); }
DWORD CnfThawDWORD(DWORD v, char *name)
{ return ThawDWORDF(v, FREEZE_SUBKEY, name); }
float CnfThawFloat(float v, char *name) {
DWORD d = ThawDWORDF(*((DWORD *)&v), FREEZE_SUBKEY, name);
return *((float *)&d);
}
void SetWindowTitle(char *str) {
SetWindowText(GraphicsWnd, str);
}
void SetMousePointerToHand(bool yes) {
SetCursor(LoadCursor(NULL, yes ? IDC_HAND : IDC_ARROW));
}
static void PaintTextWnd(HDC hdc)
{
wglMakeCurrent(GetDC(TextWnd), TextGl);
SS.TW.Paint();
SwapBuffers(GetDC(TextWnd));
// Leave the graphics window context active, except when we're painting
// this text window.
wglMakeCurrent(GetDC(GraphicsWnd), GraphicsGl);
}
void MoveTextScrollbarTo(int pos, int maxPos, int page)
{
SCROLLINFO si;
memset(&si, 0, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_DISABLENOSCROLL | SIF_ALL;
si.nMin = 0;
si.nMax = maxPos;
si.nPos = pos;
si.nPage = page;
SetScrollInfo(TextWndScrollBar, SB_CTL, &si, TRUE);
}
void HandleTextWindowScrollBar(WPARAM wParam, LPARAM lParam)
{
int maxPos, minPos, pos;
GetScrollRange(TextWndScrollBar, SB_CTL, &minPos, &maxPos);
pos = GetScrollPos(TextWndScrollBar, SB_CTL);
switch(LOWORD(wParam)) {
case SB_LINEUP: pos--; break;
case SB_PAGEUP: pos -= 4; break;
case SB_LINEDOWN: pos++; break;
case SB_PAGEDOWN: pos += 4; break;
case SB_TOP: pos = 0; break;
case SB_BOTTOM: pos = maxPos; break;
case SB_THUMBTRACK:
case SB_THUMBPOSITION: pos = HIWORD(wParam); break;
}
SS.TW.ScrollbarEvent(pos);
}
static void MouseWheel(int thisDelta) {
static int DeltaAccum;
int delta = 0;
// Handle mouse deltas of less than 120 (like from an un-detented mouse
// wheel) correctly, even though no one ever uses those.
DeltaAccum += thisDelta;
while(DeltaAccum >= 120) {
DeltaAccum -= 120;
delta += 120;
}
while(DeltaAccum <= -120) {
DeltaAccum += 120;
delta -= 120;
}
if(delta == 0) return;
POINT pt;
GetCursorPos(&pt);
HWND hw = WindowFromPoint(pt);
// Make the mousewheel work according to which window the mouse is
// over, not according to which window is active.
bool inTextWindow;
if(hw == TextWnd) {
inTextWindow = true;
} else if(hw == GraphicsWnd) {
inTextWindow = false;
} else if(GetForegroundWindow() == TextWnd) {
inTextWindow = true;
} else {
inTextWindow = false;
}
if(inTextWindow) {
int i;
for(i = 0; i < abs(delta/40); i++) {
HandleTextWindowScrollBar(delta > 0 ? SB_LINEUP : SB_LINEDOWN, 0);
}
} else {
SS.GW.MouseScroll(LastMousePos.x, LastMousePos.y, delta);
}
}
LRESULT CALLBACK TextWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_ERASEBKGND:
break;
case WM_CLOSE:
case WM_DESTROY:
SolveSpace::MenuFile(GraphicsWindow::MNU_EXIT);
break;
case WM_PAINT: {
// Actually paint the text window, with gl.
PaintTextWnd(GetDC(TextWnd));
// And then just make Windows happy.
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hwnd, &ps);
EndPaint(hwnd, &ps);
break;
}
case WM_SIZING: {
RECT *r = (RECT *)lParam;
int hc = (r->bottom - r->top) - ClientIsSmallerBy;
int extra = hc % (SS.TW.LINE_HEIGHT/2);
switch(wParam) {
case WMSZ_BOTTOM:
case WMSZ_BOTTOMLEFT:
case WMSZ_BOTTOMRIGHT:
r->bottom -= extra;
break;
case WMSZ_TOP:
case WMSZ_TOPLEFT:
case WMSZ_TOPRIGHT:
r->top += extra;
break;
}
int tooNarrow = (SS.TW.MIN_COLS*SS.TW.CHAR_WIDTH) -
(r->right - r->left);
if(tooNarrow >= 0) {
switch(wParam) {
case WMSZ_RIGHT:
case WMSZ_BOTTOMRIGHT:
case WMSZ_TOPRIGHT:
r->right += tooNarrow;
break;
case WMSZ_LEFT:
case WMSZ_BOTTOMLEFT:
case WMSZ_TOPLEFT:
r->left -= tooNarrow;
break;
}
}
break;
}
case WM_MOUSELEAVE:
SS.TW.MouseLeave();
break;
case WM_LBUTTONDOWN:
case WM_MOUSEMOVE: {
// We need this in order to get the WM_MOUSELEAVE
TRACKMOUSEEVENT tme;
ZERO(&tme);
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = TextWnd;
TrackMouseEvent(&tme);
// And process the actual message
int x = LOWORD(lParam);
int y = HIWORD(lParam);
SS.TW.MouseEvent(msg == WM_LBUTTONDOWN, x, y);
break;
}
case WM_SIZE: {
RECT r;
GetWindowRect(TextWndScrollBar, &r);
int sw = r.right - r.left;
GetClientRect(hwnd, &r);
MoveWindow(TextWndScrollBar, r.right - sw, r.top, sw,
(r.bottom - r.top), TRUE);
// If the window is growing, then the scrollbar position may
// be moving, so it's as if we're dragging the scrollbar.
HandleTextWindowScrollBar(-1, -1);
InvalidateRect(TextWnd, NULL, FALSE);
break;
}
case WM_MOUSEWHEEL:
MouseWheel(GET_WHEEL_DELTA_WPARAM(wParam));
break;
case WM_VSCROLL:
HandleTextWindowScrollBar(wParam, lParam);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 1;
}
static BOOL ProcessKeyDown(WPARAM wParam)
{
if(GraphicsEditControlIsVisible() && wParam != VK_ESCAPE) {
if(wParam == VK_RETURN) {
char s[1024];
memset(s, 0, sizeof(s));
SendMessage(GraphicsEditControl, WM_GETTEXT, 900, (LPARAM)s);
SS.GW.EditControlDone(s);
return TRUE;
} else {
return FALSE;
}
}
if(TextEditControlIsVisible() && wParam != VK_ESCAPE) {
if(wParam == VK_RETURN) {
char s[1024];
memset(s, 0, sizeof(s));
SendMessage(TextEditControl, WM_GETTEXT, 900, (LPARAM)s);
SS.TW.EditControlDone(s);
} else {
return FALSE;
}
}
int c;
switch(wParam) {
case VK_OEM_PLUS: c = '+'; break;
case VK_OEM_MINUS: c = '-'; break;
case VK_ESCAPE: c = 27; break;
case VK_OEM_1: c = ';'; break;
case VK_OEM_3: c = '`'; break;
case VK_OEM_4: c = '['; break;
case VK_OEM_6: c = ']'; break;
case VK_OEM_5: c = '\\'; break;
case VK_OEM_PERIOD: c = '.'; break;
case VK_SPACE: c = ' '; break;
case VK_DELETE: c = 127; break;
case VK_TAB: c = '\t'; break;
case VK_BROWSER_BACK:
case VK_BACK: c = 1 + 'h' - 'a'; break;
case VK_F1:
case VK_F2:
case VK_F3:
case VK_F4:
case VK_F5:
case VK_F6:
case VK_F7:
case VK_F8:
case VK_F9:
case VK_F10:
case VK_F11:
case VK_F12: c = (wParam - VK_F1) + 0xf1; break;
// These overlap with some character codes that I'm using, so
// don't let them trigger by accident.
case VK_F16:
case VK_INSERT:
case VK_EXECUTE:
case VK_APPS:
case VK_LWIN:
case VK_RWIN: return FALSE;
default:
c = wParam;
break;
}
if(GetAsyncKeyState(VK_SHIFT) & 0x8000) c |= 0x100;
if(GetAsyncKeyState(VK_CONTROL) & 0x8000) c |= 0x200;
for(int i = 0; SS.GW.menu[i].level >= 0; i++) {
if(c == SS.GW.menu[i].accel) {
(SS.GW.menu[i].fn)((GraphicsWindow::MenuId)SS.GW.menu[i].id);
break;
}
}
if(SS.GW.KeyDown(c)) return TRUE;
// No accelerator; process the key as normal.
return FALSE;
}
void ShowTextWindow(BOOL visible)
{
ShowWindow(TextWnd, visible ? SW_SHOWNOACTIVATE : SW_HIDE);
}
static void CreateGlContext(HWND hwnd, HGLRC *glrc)
{
HDC hdc = GetDC(hwnd);
PIXELFORMATDESCRIPTOR pfd;
int pixelFormat;
memset(&pfd, 0, sizeof(pfd));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER;
pfd.dwLayerMask = PFD_MAIN_PLANE;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 32;
pfd.cDepthBits = 24;
pfd.cAccumBits = 0;
pfd.cStencilBits = 0;
pixelFormat = ChoosePixelFormat(hdc, &pfd);
if(!pixelFormat) oops();
if(!SetPixelFormat(hdc, pixelFormat, &pfd)) oops();
*glrc = wglCreateContext(hdc);
wglMakeCurrent(hdc, *glrc);
}
void PaintGraphics(void)
{
SS.GW.Paint();
SwapBuffers(GetDC(GraphicsWnd));
}
void InvalidateGraphics(void)
{
InvalidateRect(GraphicsWnd, NULL, FALSE);
}
SDWORD GetMilliseconds(void)
{
LARGE_INTEGER t, f;
QueryPerformanceCounter(&t);
QueryPerformanceFrequency(&f);
LONGLONG d = t.QuadPart/(f.QuadPart/1000);
return (SDWORD)d;
}
SQWORD GetUnixTime(void)
{
__time64_t ret;
_time64(&ret);
return ret;
}
void InvalidateText(void)
{
InvalidateRect(TextWnd, NULL, FALSE);
}
static void ShowEditControl(HWND h, int x, int y, char *s) {
MoveWindow(h, x, y, EDIT_WIDTH, EDIT_HEIGHT, TRUE);
ShowWindow(h, SW_SHOW);
if(s) {
SendMessage(h, WM_SETTEXT, 0, (LPARAM)s);
SendMessage(h, EM_SETSEL, 0, strlen(s));
SetFocus(h);
}
}
void ShowTextEditControl(int hr, int c, char *s)
{
if(GraphicsEditControlIsVisible()) return;
int x = SS.TW.LEFT_MARGIN + SS.TW.CHAR_WIDTH*c;
int y = (hr - SS.TW.scrollPos)*(SS.TW.LINE_HEIGHT/2);
TextEditControlCol = c;
TextEditControlHalfRow = hr;
ShowEditControl(TextEditControl, x - 1, y + 2, s);
}
void HideTextEditControl(void)
{
ShowWindow(TextEditControl, SW_HIDE);
}
BOOL TextEditControlIsVisible(void)
{
return IsWindowVisible(TextEditControl);
}
void ShowGraphicsEditControl(int x, int y, char *s)
{
if(GraphicsEditControlIsVisible()) return;
RECT r;
GetClientRect(GraphicsWnd, &r);
x = x + (r.right - r.left)/2;
y = (r.bottom - r.top)/2 - y;
// (x, y) are the bottom left, but the edit control is placed by its
// top left corner
y -= 20;
ShowEditControl(GraphicsEditControl, x, y, s);
}
void HideGraphicsEditControl(void)
{
ShowWindow(GraphicsEditControl, SW_HIDE);
}
BOOL GraphicsEditControlIsVisible(void)
{
return IsWindowVisible(GraphicsEditControl);
}
LRESULT CALLBACK GraphicsWndProc(HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam)
{
switch (msg) {
case WM_ERASEBKGND:
break;
case WM_SIZE:
InvalidateRect(GraphicsWnd, NULL, FALSE);
break;
case WM_PAINT: {
// Actually paint the window, with gl.
PaintGraphics();
// And make Windows happy.
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hwnd, &ps);
EndPaint(hwnd, &ps);
break;
}
case WM_MOUSELEAVE:
SS.GW.MouseLeave();
break;
case WM_MOUSEMOVE:
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MBUTTONDOWN: {
int x = LOWORD(lParam);
int y = HIWORD(lParam);
// We need this in order to get the WM_MOUSELEAVE
TRACKMOUSEEVENT tme;
ZERO(&tme);
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = GraphicsWnd;
TrackMouseEvent(&tme);
// Convert to xy (vs. ij) style coordinates, with (0, 0) at center
RECT r;
GetClientRect(GraphicsWnd, &r);
x = x - (r.right - r.left)/2;
y = (r.bottom - r.top)/2 - y;
LastMousePos.x = x;
LastMousePos.y = y;
if(msg == WM_LBUTTONDOWN) {
SS.GW.MouseLeftDown(x, y);
} else if(msg == WM_LBUTTONUP) {
SS.GW.MouseLeftUp(x, y);
} else if(msg == WM_LBUTTONDBLCLK) {
SS.GW.MouseLeftDoubleClick(x, y);
} else if(msg == WM_MBUTTONDOWN || msg == WM_RBUTTONDOWN) {
SS.GW.MouseMiddleOrRightDown(x, y);
} else if(msg == WM_RBUTTONUP) {
SS.GW.MouseRightUp(x, y);
} else if(msg == WM_MOUSEMOVE) {
SS.GW.MouseMoved(x, y,
!!(wParam & MK_LBUTTON),
!!(wParam & MK_MBUTTON),
!!(wParam & MK_RBUTTON),
!!(wParam & MK_SHIFT),
!!(wParam & MK_CONTROL));
} else {
oops();
}
break;
}
case WM_MOUSEWHEEL:
MouseWheel(GET_WHEEL_DELTA_WPARAM(wParam));
break;
case WM_COMMAND: {
if(HIWORD(wParam) == 0) {
int id = LOWORD(wParam);
if((id >= RECENT_OPEN && id < (RECENT_OPEN + MAX_RECENT))) {
SolveSpace::MenuFile(id);
break;
}
if((id >= RECENT_IMPORT && id < (RECENT_IMPORT + MAX_RECENT))) {
Group::MenuGroup(id);
break;
}
int i;
for(i = 0; SS.GW.menu[i].level >= 0; i++) {
if(id == SS.GW.menu[i].id) {
(SS.GW.menu[i].fn)((GraphicsWindow::MenuId)id);
break;
}
}
if(SS.GW.menu[i].level < 0) oops();
}
break;
}
case WM_CLOSE:
case WM_DESTROY:
SolveSpace::MenuFile(GraphicsWindow::MNU_EXIT);
return 1;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 1;
}
//-----------------------------------------------------------------------------
// Common dialog routines, to open or save a file.
//-----------------------------------------------------------------------------
BOOL GetOpenFile(char *file, char *defExtension, char *selPattern)
{
OPENFILENAME ofn;
memset(&ofn, 0, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hInstance = Instance;
ofn.hwndOwner = GraphicsWnd;
ofn.lpstrFilter = selPattern;
ofn.lpstrDefExt = defExtension;
ofn.lpstrFile = file;
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
EnableWindow(GraphicsWnd, FALSE);
EnableWindow(TextWnd, FALSE);
BOOL r = GetOpenFileName(&ofn);
EnableWindow(TextWnd, TRUE);
EnableWindow(GraphicsWnd, TRUE);
SetForegroundWindow(GraphicsWnd);
return r;
}
BOOL GetSaveFile(char *file, char *defExtension, char *selPattern)
{
OPENFILENAME ofn;
memset(&ofn, 0, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hInstance = Instance;
ofn.hwndOwner = GraphicsWnd;
ofn.lpstrFilter = selPattern;
ofn.lpstrDefExt = defExtension;
ofn.lpstrFile = file;
ofn.nMaxFile = MAX_PATH;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
EnableWindow(GraphicsWnd, FALSE);
EnableWindow(TextWnd, FALSE);
BOOL r = GetSaveFileName(&ofn);
EnableWindow(TextWnd, TRUE);
EnableWindow(GraphicsWnd, TRUE);
SetForegroundWindow(GraphicsWnd);
return r;
}
int SaveFileYesNoCancel(void)
{
EnableWindow(GraphicsWnd, FALSE);
EnableWindow(TextWnd, FALSE);
int r = MessageBox(GraphicsWnd,
"The program has changed since it was last saved.\r\n\r\n"
"Do you want to save the changes?", "SolveSpace",
MB_YESNOCANCEL | MB_ICONWARNING);
EnableWindow(TextWnd, TRUE);
EnableWindow(GraphicsWnd, TRUE);
SetForegroundWindow(GraphicsWnd);
return r;
}
void LoadAllFontFiles(void)
{
WIN32_FIND_DATA wfd;
char dir[MAX_PATH];
GetWindowsDirectory(dir, MAX_PATH - 30);
strcat(dir, "\\fonts\\*.ttf");
HANDLE h = FindFirstFile(dir, &wfd);
while(h != INVALID_HANDLE_VALUE) {
TtfFont tf;
ZERO(&tf);
char fullPath[MAX_PATH];
GetWindowsDirectory(fullPath, MAX_PATH - (30 + strlen(wfd.cFileName)));
strcat(fullPath, "\\fonts\\");
strcat(fullPath, wfd.cFileName);
strcpy(tf.fontFile, fullPath);
SS.fonts.l.Add(&tf);
if(!FindNextFile(h, &wfd)) break;
}
}
static void MenuById(int id, BOOL yes, BOOL check)
{
int i;
int subMenu = -1;
for(i = 0; SS.GW.menu[i].level >= 0; i++) {
if(SS.GW.menu[i].level == 0) subMenu++;
if(SS.GW.menu[i].id == id) {
if(subMenu < 0) oops();
if(subMenu >= (sizeof(SubMenus)/sizeof(SubMenus[0]))) oops();
if(check) {
CheckMenuItem(SubMenus[subMenu], id,
yes ? MF_CHECKED : MF_UNCHECKED);
} else {
EnableMenuItem(SubMenus[subMenu], id,
yes ? MF_ENABLED : MF_GRAYED);
}
return;
}
}
oops();
}
void CheckMenuById(int id, BOOL checked)
{
MenuById(id, checked, TRUE);
}
void EnableMenuById(int id, BOOL enabled)
{
MenuById(id, enabled, FALSE);
}
static void DoRecent(HMENU m, int base)
{
while(DeleteMenu(m, 0, MF_BYPOSITION))
;
int i, c = 0;
for(i = 0; i < MAX_RECENT; i++) {
char *s = RecentFile[i];
if(*s) {
AppendMenu(m, MF_STRING, base+i, s);
c++;
}
}
if(c == 0) AppendMenu(m, MF_STRING | MF_GRAYED, 0, "(no recent files)");
}
void RefreshRecentMenus(void)
{
DoRecent(RecentOpenMenu, RECENT_OPEN);
DoRecent(RecentImportMenu, RECENT_IMPORT);
}
HMENU CreateGraphicsWindowMenus(void)
{
HMENU top = CreateMenu();
HMENU m;
int i;
int subMenu = 0;
for(i = 0; SS.GW.menu[i].level >= 0; i++) {
if(SS.GW.menu[i].level == 0) {
m = CreateMenu();
AppendMenu(top, MF_STRING | MF_POPUP, (UINT_PTR)m,
SS.GW.menu[i].label);
if(subMenu >= arraylen(SubMenus)) oops();
SubMenus[subMenu] = m;
subMenu++;
} else if(SS.GW.menu[i].level == 1) {
if(SS.GW.menu[i].label) {
AppendMenu(m, MF_STRING, SS.GW.menu[i].id, SS.GW.menu[i].label);
} else {
AppendMenu(m, MF_SEPARATOR, SS.GW.menu[i].id, "");
}
} else if(SS.GW.menu[i].level == 10) {
RecentOpenMenu = CreateMenu();
AppendMenu(m, MF_STRING | MF_POPUP,
(UINT_PTR)RecentOpenMenu, SS.GW.menu[i].label);
} else if(SS.GW.menu[i].level == 11) {
RecentImportMenu = CreateMenu();
AppendMenu(m, MF_STRING | MF_POPUP,
(UINT_PTR)RecentImportMenu, SS.GW.menu[i].label);
} else oops();
}
RefreshRecentMenus();
return top;
}
static void CreateMainWindows(void)
{
WNDCLASSEX wc;
memset(&wc, 0, sizeof(wc));
wc.cbSize = sizeof(wc);
// The graphics window, where the sketch is drawn and shown.
wc.style = CS_BYTEALIGNCLIENT | CS_BYTEALIGNWINDOW | CS_OWNDC |
CS_DBLCLKS;
wc.lpfnWndProc = (WNDPROC)GraphicsWndProc;
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszClassName = "GraphicsWnd";
wc.lpszMenuName = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = (HICON)LoadImage(Instance, MAKEINTRESOURCE(4000),
IMAGE_ICON, 32, 32, 0);
wc.hIconSm = (HICON)LoadImage(Instance, MAKEINTRESOURCE(4000),
IMAGE_ICON, 16, 16, 0);
if(!RegisterClassEx(&wc)) oops();
HMENU top = CreateGraphicsWindowMenus();
GraphicsWnd = CreateWindowEx(0, "GraphicsWnd",
"SolveSpace (not yet saved)",
WS_OVERLAPPED | WS_THICKFRAME | WS_CLIPCHILDREN | WS_MAXIMIZEBOX |
WS_MINIMIZEBOX | WS_SYSMENU | WS_SIZEBOX | WS_CLIPSIBLINGS,
50, 50, 900, 600, NULL, top, Instance, NULL);
if(!GraphicsWnd) oops();
GraphicsEditControl = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS,
50, 50, 100, 21, GraphicsWnd, NULL, Instance, NULL);
SendMessage(GraphicsEditControl, WM_SETFONT, (WPARAM)FixedFont, TRUE);
// The text window, with a comand line and some textual information
// about the sketch.
wc.style &= ~CS_DBLCLKS;
wc.lpfnWndProc = (WNDPROC)TextWndProc;
wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
wc.lpszClassName = "TextWnd";
wc.hCursor = NULL;
if(!RegisterClassEx(&wc)) oops();
// We get the desired Alt+Tab behaviour by specifying that the text
// window is a child of the graphics window.
TextWnd = CreateWindowEx(0,
"TextWnd", "SolveSpace - Browser", WS_THICKFRAME | WS_CLIPCHILDREN,
650, 500, 420, 300, GraphicsWnd, (HMENU)NULL, Instance, NULL);
if(!TextWnd) oops();
TextWndScrollBar = CreateWindowEx(0, WC_SCROLLBAR, "", WS_CHILD |
SBS_VERT | SBS_LEFTALIGN | WS_VISIBLE | WS_CLIPSIBLINGS,
200, 100, 100, 100, TextWnd, NULL, Instance, NULL);
// Force the scrollbar to get resized to the window,
TextWndProc(TextWnd, WM_SIZE, 0, 0);
TextEditControl = CreateWindowEx(WS_EX_CLIENTEDGE, WC_EDIT, "",
WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP | WS_CLIPSIBLINGS,
50, 50, 100, 21, TextWnd, NULL, Instance, NULL);
SendMessage(TextEditControl, WM_SETFONT, (WPARAM)FixedFont, TRUE);
// Now that all our windows exist, set up gl contexts.
CreateGlContext(TextWnd, &TextGl);
CreateGlContext(GraphicsWnd, &GraphicsGl);
RECT r, rc;
GetWindowRect(TextWnd, &r);
GetClientRect(TextWnd, &rc);
ClientIsSmallerBy = (r.bottom - r.top) - (rc.bottom - rc.top);
}
//-----------------------------------------------------------------------------
// Test if a message comes from the SpaceNavigator device. If yes, dispatch
// it appropriately and return TRUE. Otherwise, do nothing and return FALSE.
//-----------------------------------------------------------------------------
static BOOL ProcessSpaceNavigatorMsg(MSG *msg) {
if(SpaceNavigator == SI_NO_HANDLE) return FALSE;
SiGetEventData sged;
SiSpwEvent sse;
SiGetEventWinInit(&sged, msg->message, msg->wParam, msg->lParam);
int ret = SiGetEvent(SpaceNavigator, 0, &sged, &sse);
if(ret == SI_NOT_EVENT) return FALSE;
// So the device is a SpaceNavigator event, or a SpaceNavigator error.
if(ret == SI_IS_EVENT) {
if(sse.type == SI_MOTION_EVENT) {
// The Z axis translation and rotation are both
// backwards in the default mapping.
double tx = sse.u.spwData.mData[SI_TX]*1.0,
ty = sse.u.spwData.mData[SI_TY]*1.0,
tz = -sse.u.spwData.mData[SI_TZ]*1.0,
rx = sse.u.spwData.mData[SI_RX]*0.001,
ry = sse.u.spwData.mData[SI_RY]*0.001,
rz = -sse.u.spwData.mData[SI_RZ]*0.001;
SS.GW.SpaceNavigatorMoved(tx, ty, tz, rx, ry, rz,
!!(GetAsyncKeyState(VK_SHIFT) & 0x8000));
} else if(sse.type == SI_BUTTON_EVENT) {
int button;
button = SiButtonReleased(&sse);
if(button == SI_APP_FIT_BUTTON) SS.GW.SpaceNavigatorButtonUp();
}
}
return TRUE;
}
//-----------------------------------------------------------------------------
// Entry point into the program.
//-----------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, INT nCmdShow)
{
Instance = hInstance;
InitCommonControls();
// A monospaced font
FixedFont = CreateFont(SS.TW.CHAR_HEIGHT, SS.TW.CHAR_WIDTH, 0, 0,
FW_REGULAR, FALSE,
FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, FF_DONTCARE, "Lucida Console");
if(!FixedFont)
FixedFont = (HFONT)GetStockObject(SYSTEM_FONT);
// Create the root windows: one for control, with text, and one for
// the graphics
CreateMainWindows();
ThawWindowPos(TextWnd);
ThawWindowPos(GraphicsWnd);
ShowWindow(TextWnd, SW_SHOWNOACTIVATE);
ShowWindow(GraphicsWnd, SW_SHOW);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
SwapBuffers(GetDC(GraphicsWnd));
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
SwapBuffers(GetDC(GraphicsWnd));
// Create the heaps for all dynamic memory (AllocTemporary, MemAlloc)
InitHeaps();
// A filename may have been specified on the command line; if so, then
// strip any quotation marks, and make it absolute.
char file[MAX_PATH] = "";
if(strlen(lpCmdLine)+1 < MAX_PATH) {
char *s = lpCmdLine;
while(*s == ' ' || *s == '"') s++;
strcpy(file, s);
s = strrchr(file, '"');
if(s) *s = '\0';
}
if(*file != '\0') {
GetAbsoluteFilename(file);
}
// Initialize the SpaceBall, if present. Test if the driver is running
// first, to avoid a long timeout if it's not.
HWND swdc = FindWindow("SpaceWare Driver Class", NULL);
if(swdc != NULL) {
SiOpenData sod;
SiInitialize();
SiOpenWinInit(&sod, GraphicsWnd);
SpaceNavigator =
SiOpen("GraphicsWnd", SI_ANY_DEVICE, SI_NO_MASK, SI_EVENT, &sod);
SiSetUiMode(SpaceNavigator, SI_UI_NO_CONTROLS);
}
// Call in to the platform-independent code, and let them do their init
SS.Init(file);
// And now it's the message loop. All calls in to the rest of the code
// will be from the wndprocs.
MSG msg;
DWORD ret;
while(ret = GetMessage(&msg, NULL, 0, 0)) {
// Is it a message from the six degree of freedom input device?
if(ProcessSpaceNavigatorMsg(&msg)) goto done;
// A message from the keyboard, which should be processed as a keyboard
// accelerator?
if(msg.message == WM_KEYDOWN) {
if(ProcessKeyDown(msg.wParam)) goto done;
}
if(msg.message == WM_SYSKEYDOWN && msg.hwnd == TextWnd) {
// If the user presses the Alt key when the text window has focus,
// then that should probably go to the graphics window instead.
SetForegroundWindow(GraphicsWnd);
}
// None of the above; so just a normal message to process.
TranslateMessage(&msg);
DispatchMessage(&msg);
done:
SS.DoLater();
}
if(swdc != NULL) {
if(SpaceNavigator != SI_NO_HANDLE) SiClose(SpaceNavigator);
SiTerminate();
}
// Write everything back to the registry
FreezeWindowPos(TextWnd);
FreezeWindowPos(GraphicsWnd);
return 0;
}
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