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ICU-1428 Add menu, file open to Windows layout sample.

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X-SVN-Rev: 8313
This commit is contained in:
Eric Mader 2002-03-30 02:41:22 +00:00
parent 13167a2d54
commit d5de0b5b9f
5 changed files with 291 additions and 51 deletions
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2
icu4c/source/samples/layout/GDIFontInstance.h
View File

@ -43,7 +43,9 @@ public:
virtual const void setFont(void *surface) const
{
HDC hdc = (HDC) surface;
GDIFontInstance *real = (GDIFontInstance *) this;
real->fHdc = hdc;
SelectObject(hdc, fFont);
};

99
icu4c/source/samples/layout/LayoutSample.rc Normal file
View File

@ -0,0 +1,99 @@
//Microsoft Developer Studio generated resource script.
//
#include "resource.h"
#define APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 2 resource.
//
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
#undef APSTUDIO_READONLY_SYMBOLS
/////////////////////////////////////////////////////////////////////////////
// English (U.S.) resources
#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
#ifdef _WIN32
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
#pragma code_page(1252)
#endif //_WIN32
/////////////////////////////////////////////////////////////////////////////
//
// Menu
//
LayoutSample MENU DISCARDABLE
BEGIN
POPUP "&File"
BEGIN
MENUITEM "&New Sample\tCtrl+N", IDM_FILE_NEWSAMPLE
MENUITEM "&Open...\tCtrl+O", IDM_FILE_OPEN
MENUITEM SEPARATOR
MENUITEM "&Close\tCtrl+W", IDM_FILE_CLOSE
MENUITEM "E&xit\tCtrl+Q", IDM_FILE_EXIT
END
POPUP "&Help"
BEGIN
MENUITEM "&About Layout Sample...", IDM_HELP_ABOUTLAYOUTSAMPLE
END
END
/////////////////////////////////////////////////////////////////////////////
//
// Accelerator
//
LayoutSample ACCELERATORS DISCARDABLE
BEGIN
"N", IDM_FILE_NEWSAMPLE, VIRTKEY, CONTROL, NOINVERT
"O", IDM_FILE_OPEN, VIRTKEY, CONTROL, NOINVERT
"Q", IDM_FILE_EXIT, VIRTKEY, CONTROL, NOINVERT
"W", IDM_FILE_CLOSE, VIRTKEY, CONTROL, NOINVERT
END
#ifdef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// TEXTINCLUDE
//
1 TEXTINCLUDE DISCARDABLE
BEGIN
"resource.h\0"
END
2 TEXTINCLUDE DISCARDABLE
BEGIN
"#include ""afxres.h""\r\n"
"\0"
END
3 TEXTINCLUDE DISCARDABLE
BEGIN
"\r\n"
"\0"
END
#endif // APSTUDIO_INVOKED
#endif // English (U.S.) resources
/////////////////////////////////////////////////////////////////////////////
#ifndef APSTUDIO_INVOKED
/////////////////////////////////////////////////////////////////////////////
//
// Generated from the TEXTINCLUDE 3 resource.
//
/////////////////////////////////////////////////////////////////////////////
#endif // not APSTUDIO_INVOKED

213
icu4c/source/samples/layout/layout.cpp
View File

@ -12,6 +12,7 @@
*/
#include <windows.h>
#include <stdio.h>
//#include "LETypes.h"
//#include "LEFontInstance.h"
@ -29,28 +30,69 @@
#include "UnicodeReader.h"
#include "scrptrun.h"
#include "resource.h"
#define ARRAY_LENGTH(array) (sizeof array / sizeof array[0])
struct Context
{
le_int32 width;
le_int32 height;
Paragraph *paragraph;
};
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
#define APP_NAME "LayoutSample"
TCHAR szAppName[] = TEXT(APP_NAME);
void PrettyTitle(HWND hwnd, char *fileName)
{
char title[MAX_PATH + 64];
sprintf(title, "%s - %s", APP_NAME, fileName);
SetWindowTextA(hwnd, title);
}
void InitParagraph(HWND hwnd, Context *context)
{
SCROLLINFO si;
if (context->paragraph != NULL) {
// FIXME: does it matter what we put in the ScrollInfo
// if the window's been minimized?
if (context->width > 0 && context->height > 0) {
context->paragraph->breakLines(context->width, context->height);
}
si.cbSize = sizeof si;
si.fMask = SIF_RANGE | SIF_PAGE | SIF_DISABLENOSCROLL;
si.nMin = 0;
si.nMax = context->paragraph->getLineCount() - 1;
si.nPage = context->height / context->paragraph->getLineHeight();
SetScrollInfo(hwnd, SB_VERT, &si, true);
}
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
HWND hwnd;
HACCEL hAccel;
MSG msg;
WNDCLASS wndclass;
TCHAR szAppName[] = TEXT("LayoutDemo");
TCHAR szTitle[] = TEXT("LayoutDemo: Demo of LayoutEngine");
RFIErrorCode status = RFI_NO_ERROR;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = sizeof(LONG);
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = sizeof(LONG);
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszMenuName = szAppName;
wndclass.lpszClassName = szAppName;
if (!RegisterClass(&wndclass)) {
@ -59,18 +101,22 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine,
return 0;
}
hwnd = CreateWindow(szAppName, szTitle,
WS_OVERLAPPEDWINDOW | WS_VSCROLL,
CW_USEDEFAULT, CW_USEDEFAULT,
600, 400,
NULL, NULL, hInstance, NULL);
hAccel = LoadAccelerators(hInstance, szAppName);
hwnd = CreateWindow(szAppName, NULL,
WS_OVERLAPPEDWINDOW | WS_VSCROLL,
CW_USEDEFAULT, CW_USEDEFAULT,
600, 400,
NULL, NULL, hInstance, NULL);
ShowWindow(hwnd, iCmdShow);
UpdateWindow(hwnd);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
if (!TranslateAccelerator(hwnd, hAccel, &msg)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return msg.wParam;
@ -79,7 +125,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine,
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
Paragraph *paragraph;
Context *context;
static le_int32 windowCount = 0;
static GDIFontMap *fontMap = NULL;
static GDIGUISupport *guiSupport = new GDIGUISupport();
@ -98,38 +144,28 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
return 0;
}
paragraph = Paragraph::paragraphFactory("Sample.txt", fontMap, guiSupport, hdc);
SetWindowLong(hwnd, 0, (LONG) paragraph);
context = new Context();
context->width = 600;
context->height = 400;
context->paragraph = Paragraph::paragraphFactory("Sample.txt", fontMap, guiSupport, hdc);
SetWindowLong(hwnd, 0, (LONG) context);
windowCount += 1;
ReleaseDC(hwnd, hdc);
PrettyTitle(hwnd, "Sample.txt");
return 0;
}
case WM_SIZE:
{
le_int32 width = LOWORD(lParam);
le_int32 height = HIWORD(lParam);
SCROLLINFO si;
paragraph = (Paragraph *) GetWindowLong(hwnd, 0);
if (paragraph != NULL) {
// FIXME: does it matter what we put in the ScrollInfo
// if the window's been minimized?
if (width > 0 && height > 0) {
paragraph->breakLines(width, height);
}
si.cbSize = sizeof si;
si.fMask = SIF_RANGE | SIF_PAGE | SIF_DISABLENOSCROLL;
si.nMin = 0;
si.nMax = paragraph->getLineCount() - 1;
si.nPage = height / paragraph->getLineHeight();
SetScrollInfo(hwnd, SB_VERT, &si, true);
}
context = (Context *) GetWindowLong(hwnd, 0);
context->width = LOWORD(lParam);
context->height = HIWORD(lParam);
InitParagraph(hwnd, context);
return 0;
}
@ -182,10 +218,10 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
SetScrollInfo(hwnd, SB_VERT, &si, true);
GetScrollInfo(hwnd, SB_VERT, &si);
paragraph = (Paragraph *) GetWindowLong(hwnd, 0);
context = (Context *) GetWindowLong(hwnd, 0);
if (paragraph != NULL && si.nPos != vertPos) {
ScrollWindow(hwnd, 0, paragraph->getLineHeight() * (vertPos - si.nPos), NULL, NULL);
if (context->paragraph != NULL && si.nPos != vertPos) {
ScrollWindow(hwnd, 0, context->paragraph->getLineHeight() * (vertPos - si.nPos), NULL, NULL);
UpdateWindow(hwnd);
}
@ -207,29 +243,104 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
firstLine = si.nPos;
paragraph = (Paragraph *) GetWindowLong(hwnd, 0);
context = (Context *) GetWindowLong(hwnd, 0);
if (paragraph != NULL) {
if (context->paragraph != NULL) {
// NOTE: si.nPos + si.nPage may include a partial line at the bottom
// of the window. We need this because scrolling assumes that the
// partial line has been painted.
lastLine = min (si.nPos + (le_int32) si.nPage, paragraph->getLineCount() - 1);
lastLine = min (si.nPos + (le_int32) si.nPage, context->paragraph->getLineCount() - 1);
paragraph->draw(hdc, firstLine, lastLine);
context->paragraph->draw(hdc, firstLine, lastLine);
}
EndPaint(hwnd, &ps);
return 0;
}
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDM_FILE_OPEN:
{
OPENFILENAMEA ofn;
char szFileName[MAX_PATH], szTitleName[MAX_PATH];
static char szFilter[] = "Text Files (.txt)\0*.txt\0"
"All Files (*.*)\0*.*\0\0";
ofn.lStructSize = sizeof (OPENFILENAMEA);
ofn.hwndOwner = hwnd;
ofn.hInstance = NULL;
ofn.lpstrFilter = szFilter;
ofn.lpstrCustomFilter = NULL;
ofn.nMaxCustFilter = 0;
ofn.nFilterIndex = 0;
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.lpstrFileTitle = szTitleName;
ofn.nMaxFileTitle = MAX_PATH;
ofn.lpstrInitialDir = NULL;
ofn.lpstrTitle = NULL;
ofn.Flags = OFN_HIDEREADONLY | OFN_CREATEPROMPT;
ofn.nFileOffset = 0;
ofn.nFileExtension = 0;
ofn.lpstrDefExt = "txt";
ofn.lCustData = 0L;
ofn.lpfnHook = NULL;
ofn.lpTemplateName = NULL;
szFileName[0] = '\0';
hdc = GetDC(hwnd);
if (GetOpenFileNameA(&ofn)) {
Paragraph *newParagraph = Paragraph::paragraphFactory(szFileName, fontMap, guiSupport, hdc);
if (newParagraph != NULL) {
context = (Context *) GetWindowLong(hwnd, 0);
if (context->paragraph != NULL) {
delete context->paragraph;
}
context->paragraph = newParagraph;
InitParagraph(hwnd, context);
PrettyTitle(hwnd, szTitleName);
InvalidateRect(hwnd, NULL, true);
}
}
ReleaseDC(hwnd, hdc);
return 0;
}
case IDM_FILE_EXIT:
case IDM_FILE_CLOSE:
SendMessage(hwnd, WM_CLOSE, 0, 0);
return 0;
case IDM_HELP_ABOUTLAYOUTSAMPLE:
MessageBox(hwnd, TEXT("Windows Layout Sample 0.1\n")
TEXT("Copyright (C) 1998-2002 By International Business Machines Corporation and others.\n")
TEXT("Author: Eric Mader"),
szAppName, MB_ICONINFORMATION | MB_OK);
return 0;
}
break;
case WM_DESTROY:
{
paragraph = (Paragraph *) GetWindowLong(hwnd, 0);
context = (Context *) GetWindowLong(hwnd, 0);
if (paragraph != NULL) {
delete paragraph;
if (context->paragraph != NULL) {
delete context->paragraph;
}
delete context;
if (--windowCount <= 0) {
delete fontMap;

8
icu4c/source/samples/layout/layout.dsp
View File

@ -113,6 +113,10 @@ SOURCE=.\layout.cpp
# End Source File
# Begin Source File
SOURCE=.\LayoutSample.rc
# End Source File
# Begin Source File
SOURCE=.\paragraph.cpp
# End Source File
# Begin Source File
@ -165,6 +169,10 @@ SOURCE=.\RenderingFontInstance.h
# End Source File
# Begin Source File
SOURCE=.\resource.h
# End Source File
# Begin Source File
SOURCE=..\..\extra\scrptrun\scrptrun.h
# End Source File
# Begin Source File

20
icu4c/source/samples/layout/resource.h Normal file
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@ -0,0 +1,20 @@
//{{NO_DEPENDENCIES}}
// Microsoft Developer Studio generated include file.
// Used by LayoutSample.rc
//
#define IDM_FILE_NEWSAMPLE 40001
#define IDM_FILE_OPEN 40002
#define IDM_FILE_CLOSE 40003
#define IDM_FILE_EXIT 40004
#define IDM_HELP_ABOUTLAYOUTSAMPLE 40005
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 103
#define _APS_NEXT_COMMAND_VALUE 40006
#define _APS_NEXT_CONTROL_VALUE 1000
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif