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wine/programs/winhelp/winhelp.c

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/*
* Help Viewer
*
* Copyright 1996 Ulrich Schmid <uschmid@mail.hh.provi.de>
* 2002 Sylvain Petreolle <spetreolle@yahoo.fr>
* 2002 Eric Pouech <eric.pouech@wanadoo.fr>
* 2004 Ken Belleau <jamez@ivic.qc.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winhelp.h"
#include "winhelp_res.h"
#include "shellapi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winhelp);
static BOOL WINHELP_RegisterWinClasses(void);
static LRESULT CALLBACK WINHELP_MainWndProc(HWND, UINT, WPARAM, LPARAM);
static LRESULT CALLBACK WINHELP_TextWndProc(HWND, UINT, WPARAM, LPARAM);
static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND, UINT, WPARAM, LPARAM);
static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND, UINT, WPARAM, LPARAM);
static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND, UINT, WPARAM, LPARAM);
static LRESULT CALLBACK WINHELP_ShadowWndProc(HWND, UINT, WPARAM, LPARAM);
static void WINHELP_CheckPopup(UINT);
static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE);
static void WINHELP_InitFonts(HWND hWnd);
static void WINHELP_DeleteLines(WINHELP_WINDOW*);
static void WINHELP_DeleteWindow(WINHELP_WINDOW*);
static void WINHELP_SetupText(HWND hWnd);
static WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW*, WPARAM, LPARAM);
WINHELP_GLOBALS Globals = {3, NULL, NULL, 0, TRUE, NULL, NULL, NULL, NULL};
/***********************************************************************
*
* WINHELP_LookupHelpFile
*/
HLPFILE* WINHELP_LookupHelpFile(LPCSTR lpszFile)
{
HLPFILE* hlpfile;
hlpfile = HLPFILE_ReadHlpFile(lpszFile);
/* Add Suffix `.hlp' */
if (!hlpfile && lstrcmpi(lpszFile + strlen(lpszFile) - 4, ".hlp") != 0)
{
char szFile_hlp[MAX_PATHNAME_LEN];
lstrcpyn(szFile_hlp, lpszFile, sizeof(szFile_hlp) - 4);
szFile_hlp[sizeof(szFile_hlp) - 5] = '\0';
lstrcat(szFile_hlp, ".hlp");
hlpfile = HLPFILE_ReadHlpFile(szFile_hlp);
}
if (!hlpfile)
{
WINHELP_MessageBoxIDS_s(STID_HLPFILE_ERROR_s, lpszFile, STID_WHERROR, MB_OK);
if (Globals.win_list) return NULL;
}
return hlpfile;
}
/******************************************************************
* WINHELP_GetWindowInfo
*
*
*/
HLPFILE_WINDOWINFO* WINHELP_GetWindowInfo(HLPFILE* hlpfile, LPCSTR name)
{
static HLPFILE_WINDOWINFO mwi;
unsigned int i;
if (!name || !name[0])
name = Globals.active_win->lpszName;
if (hlpfile)
for (i = 0; i < hlpfile->numWindows; i++)
if (!strcmp(hlpfile->windows[i].name, name))
return &hlpfile->windows[i];
if (strcmp(name, "main") != 0)
{
WINE_FIXME("Couldn't find window info for %s\n", name);
assert(0);
return NULL;
}
if (!mwi.name[0])
{
strcpy(mwi.type, "primary");
strcpy(mwi.name, "main");
if (!LoadString(Globals.hInstance, STID_WINE_HELP,
mwi.caption, sizeof(mwi.caption)))
strcpy(mwi.caption, hlpfile->lpszTitle);
mwi.origin.x = mwi.origin.y = mwi.size.cx = mwi.size.cy = CW_USEDEFAULT;
mwi.style = SW_SHOW;
mwi.win_style = WS_OVERLAPPEDWINDOW;
mwi.sr_color = mwi.sr_color = 0xFFFFFF;
}
return &mwi;
}
/******************************************************************
* HLPFILE_GetPopupWindowInfo
*
*
*/
static HLPFILE_WINDOWINFO* WINHELP_GetPopupWindowInfo(HLPFILE* hlpfile, HWND hParentWnd, POINT* mouse)
{
static HLPFILE_WINDOWINFO wi;
RECT parent_rect;
wi.type[0] = wi.name[0] = wi.caption[0] = '\0';
/* Calculate horizontal size and position of a popup window */
GetWindowRect(hParentWnd, &parent_rect);
wi.size.cx = (parent_rect.right - parent_rect.left) / 2;
wi.size.cy = 10; /* need a non null value, so that border are taken into account while computing */
wi.origin = *mouse;
ClientToScreen(hParentWnd, &wi.origin);
wi.origin.x -= wi.size.cx / 2;
wi.origin.x = min(wi.origin.x, GetSystemMetrics(SM_CXSCREEN) - wi.size.cx);
wi.origin.x = max(wi.origin.x, 0);
wi.style = SW_SHOW;
wi.win_style = WS_POPUPWINDOW;
wi.sr_color = wi.sr_color = 0xFFFFFF;
return &wi;
}
/***********************************************************************
*
* WinMain
*/
int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
{
MSG msg;
LONG lHash = 0;
HLPFILE* hlpfile;
char* wndname = "main";
WINHELP_DLL* dll;
Globals.hInstance = hInstance;
/* Get options */
while (*cmdline && (*cmdline == ' ' || *cmdline == '-'))
{
CHAR option;
LPCSTR topic_id;
if (*cmdline++ == ' ') continue;
option = *cmdline;
if (option) cmdline++;
while (*cmdline && *cmdline == ' ') cmdline++;
switch (option)
{
case 'i':
case 'I':
topic_id = cmdline;
while (*cmdline && *cmdline != ' ') cmdline++;
if (*cmdline) *cmdline++ = '\0';
lHash = HLPFILE_Hash(topic_id);
break;
case '3':
case '4':
Globals.wVersion = option - '0';
break;
case 'x':
show = SW_HIDE;
Globals.isBook = FALSE;
break;
default:
WINE_FIXME("Unsupported cmd line: %s\n", cmdline);
break;
}
}
/* Create primary window */
if (!WINHELP_RegisterWinClasses())
{
WINE_FIXME("Couldn't register classes\n");
return 0;
}
if (*cmdline)
{
char* ptr;
if ((*cmdline == '"') && (ptr = strchr(cmdline+1, '"')))
{
cmdline++;
*ptr = '\0';
}
if ((ptr = strchr(cmdline, '>')))
{
*ptr = '\0';
wndname = ptr + 1;
}
hlpfile = WINHELP_LookupHelpFile(cmdline);
if (!hlpfile) return 0;
}
else hlpfile = NULL;
WINHELP_CreateHelpWindowByHash(hlpfile, lHash,
WINHELP_GetWindowInfo(hlpfile, wndname), show);
/* Message loop */
while (GetMessage(&msg, 0, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
for (dll = Globals.dlls; dll; dll = dll->next)
{
if (dll->class & DC_INITTERM) dll->handler(DW_TERM, 0, 0);
}
return 0;
}
/***********************************************************************
*
* RegisterWinClasses
*/
static BOOL WINHELP_RegisterWinClasses(void)
{
WNDCLASS class_main, class_button_box, class_text, class_shadow, class_history;
class_main.style = CS_HREDRAW | CS_VREDRAW;
class_main.lpfnWndProc = WINHELP_MainWndProc;
class_main.cbClsExtra = 0;
class_main.cbWndExtra = sizeof(LONG);
class_main.hInstance = Globals.hInstance;
class_main.hIcon = LoadIcon(0, IDI_APPLICATION);
class_main.hCursor = LoadCursor(0, IDC_ARROW);
class_main.hbrBackground = GetStockObject(WHITE_BRUSH);
class_main.lpszMenuName = 0;
class_main.lpszClassName = MAIN_WIN_CLASS_NAME;
class_button_box = class_main;
class_button_box.lpfnWndProc = WINHELP_ButtonBoxWndProc;
class_button_box.hbrBackground = GetStockObject(GRAY_BRUSH);
class_button_box.lpszClassName = BUTTON_BOX_WIN_CLASS_NAME;
class_text = class_main;
class_text.lpfnWndProc = WINHELP_TextWndProc;
class_text.lpszClassName = TEXT_WIN_CLASS_NAME;
class_shadow = class_main;
class_shadow.lpfnWndProc = WINHELP_ShadowWndProc;
class_shadow.hbrBackground = GetStockObject(GRAY_BRUSH);
class_shadow.lpszClassName = SHADOW_WIN_CLASS_NAME;
class_history = class_main;
class_history.lpfnWndProc = WINHELP_HistoryWndProc;
class_history.lpszClassName = HISTORY_WIN_CLASS_NAME;
return (RegisterClass(&class_main) &&
RegisterClass(&class_button_box) &&
RegisterClass(&class_text) &&
RegisterClass(&class_shadow) &&
RegisterClass(&class_history));
}
typedef struct
{
WORD size;
WORD command;
LONG data;
LONG reserved;
WORD ofsFilename;
WORD ofsData;
} WINHELP,*LPWINHELP;
/******************************************************************
* WINHELP_HandleCommand
*
*
*/
static LRESULT WINHELP_HandleCommand(HWND hSrcWnd, LPARAM lParam)
{
COPYDATASTRUCT* cds = (COPYDATASTRUCT*)lParam;
WINHELP* wh;
if (cds->dwData != 0xA1DE505)
{
WINE_FIXME("Wrong magic number (%08lx)\n", cds->dwData);
return 0;
}
wh = (WINHELP*)cds->lpData;
if (wh)
{
char* ptr = (wh->ofsFilename) ? (LPSTR)wh + wh->ofsFilename : NULL;
WINE_TRACE("Got[%u]: cmd=%u data=%08lx fn=%s\n",
wh->size, wh->command, wh->data, ptr);
switch (wh->command)
{
case HELP_CONTEXT:
if (ptr)
{
MACRO_JumpContext(ptr, "main", wh->data);
}
break;
case HELP_QUIT:
MACRO_Exit();
break;
case HELP_CONTENTS:
if (ptr)
{
MACRO_JumpContents(ptr, "main");
}
break;
case HELP_HELPONHELP:
MACRO_HelpOn();
break;
/* case HELP_SETINDEX: */
case HELP_SETCONTENTS:
if (ptr)
{
MACRO_SetContents(ptr, wh->data);
}
break;
case HELP_CONTEXTPOPUP:
if (ptr)
{
MACRO_PopupContext(ptr, wh->data);
}
break;
/* case HELP_FORCEFILE:*/
/* case HELP_CONTEXTMENU: */
case HELP_FINDER:
/* in fact, should be the topic dialog box */
if (ptr)
{
MACRO_JumpHash(ptr, "main", 0);
}
break;
/* case HELP_WM_HELP: */
/* case HELP_SETPOPUP_POS: */
/* case HELP_KEY: */
/* case HELP_COMMAND: */
/* case HELP_PARTIALKEY: */
/* case HELP_MULTIKEY: */
/* case HELP_SETWINPOS: */
WINE_FIXME("Unknown command (%x) for remote winhelp control\n", wh->command);
break;
}
}
return 0L;
}
/******************************************************************
* WINHELP_ReuseWindow
*
*
*/
static BOOL WINHELP_ReuseWindow(WINHELP_WINDOW* win, WINHELP_WINDOW* oldwin,
HLPFILE_PAGE* page, int nCmdShow)
{
unsigned int i;
win->hMainWnd = oldwin->hMainWnd;
win->hButtonBoxWnd = oldwin->hButtonBoxWnd;
win->hTextWnd = oldwin->hTextWnd;
win->hHistoryWnd = oldwin->hHistoryWnd;
oldwin->hMainWnd = oldwin->hButtonBoxWnd = oldwin->hTextWnd = oldwin->hHistoryWnd = 0;
SetWindowLong(win->hMainWnd, 0, (LONG)win);
SetWindowLong(win->hButtonBoxWnd, 0, (LONG)win);
SetWindowLong(win->hTextWnd, 0, (LONG)win);
SetWindowLong(win->hHistoryWnd, 0, (LONG)win);
WINHELP_InitFonts(win->hMainWnd);
if (page)
SetWindowText(win->hMainWnd, page->file->lpszTitle);
WINHELP_SetupText(win->hTextWnd);
InvalidateRect(win->hTextWnd, NULL, TRUE);
SendMessage(win->hMainWnd, WM_USER, 0, 0);
ShowWindow(win->hMainWnd, nCmdShow);
UpdateWindow(win->hTextWnd);
if (!(win->info->win_style & WS_POPUP))
{
unsigned num;
memcpy(win->history, oldwin->history, sizeof(win->history));
win->histIndex = oldwin->histIndex;
/* FIXME: when using back, we shouldn't update the history... */
if (page)
{
for (i = 0; i < win->histIndex; i++)
if (win->history[i] == page) break;
/* if the new page is already in the history, do nothing */
if (i == win->histIndex)
{
num = sizeof(win->history) / sizeof(win->history[0]);
if (win->histIndex == num)
{
/* we're full, remove latest entry */
HLPFILE_FreeHlpFile(win->history[0]->file);
memmove(&win->history[0], &win->history[1],
(num - 1) * sizeof(win->history[0]));
win->histIndex--;
}
win->history[win->histIndex++] = page;
page->file->wRefCount++;
if (win->hHistoryWnd) InvalidateRect(win->hHistoryWnd, NULL, TRUE);
}
}
memcpy(win->back, oldwin->back, sizeof(win->back));
win->backIndex = oldwin->backIndex;
if (page)
{
num = sizeof(win->back) / sizeof(win->back[0]);
if (win->backIndex == num)
{
/* we're full, remove latest entry */
HLPFILE_FreeHlpFile(win->back[0]->file);
memmove(&win->back[0], &win->back[1],
(num - 1) * sizeof(win->back[0]));
win->backIndex--;
}
win->back[win->backIndex++] = page;
page->file->wRefCount++;
}
}
else
win->backIndex = win->histIndex = 0;
oldwin->histIndex = oldwin->backIndex = 0;
WINHELP_DeleteWindow(oldwin);
return TRUE;
}
/***********************************************************************
*
* WINHELP_CreateHelpWindow
*/
BOOL WINHELP_CreateHelpWindow(HLPFILE_PAGE* page, HLPFILE_WINDOWINFO* wi,
int nCmdShow)
{
WINHELP_WINDOW *win, *oldwin;
HWND hWnd;
BOOL bPrimary;
BOOL bPopup;
bPrimary = !lstrcmpi(wi->name, "main");
bPopup = wi->win_style & WS_POPUP;
/* Initialize WINHELP_WINDOW struct */
win = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(WINHELP_WINDOW) + strlen(wi->name) + 1);
if (!win) return FALSE;
win->next = Globals.win_list;
Globals.win_list = win;
win->lpszName = (char*)win + sizeof(WINHELP_WINDOW);
lstrcpy((char*)win->lpszName, wi->name);
win->page = page;
win->hArrowCur = LoadCursorA(0, (LPSTR)IDC_ARROW);
win->hHandCur = LoadCursorA(0, (LPSTR)IDC_HAND);
win->info = wi;
Globals.active_win = win;
/* Initialize default pushbuttons */
if (bPrimary && page)
{
CHAR buffer[MAX_STRING_LEN];
LoadString(Globals.hInstance, STID_CONTENTS, buffer, sizeof(buffer));
MACRO_CreateButton("BTN_CONTENTS", buffer, "Contents()");
LoadString(Globals.hInstance, STID_SEARCH,buffer, sizeof(buffer));
MACRO_CreateButton("BTN_SEARCH", buffer, "Search()");
LoadString(Globals.hInstance, STID_BACK, buffer, sizeof(buffer));
MACRO_CreateButton("BTN_BACK", buffer, "Back()");
LoadString(Globals.hInstance, STID_HISTORY, buffer, sizeof(buffer));
MACRO_CreateButton("BTN_HISTORY", buffer, "History()");
LoadString(Globals.hInstance, STID_TOPICS, buffer, sizeof(buffer));
MACRO_CreateButton("BTN_TOPICS", buffer, "Finder()");
}
/* Initialize file specific pushbuttons */
if (!(wi->win_style & WS_POPUP) && page)
{
HLPFILE_MACRO *macro;
for (macro = page->file->first_macro; macro; macro = macro->next)
MACRO_ExecuteMacro(macro->lpszMacro);
for (macro = page->first_macro; macro; macro = macro->next)
MACRO_ExecuteMacro(macro->lpszMacro);
}
/* Reuse existing window */
if (!bPopup)
{
for (oldwin = win->next; oldwin; oldwin = oldwin->next)
{
if (!lstrcmpi(oldwin->lpszName, wi->name))
{
return WINHELP_ReuseWindow(win, oldwin, page, nCmdShow);
}
}
if (page)
{
win->histIndex = win->backIndex = 1;
win->history[0] = win->back[0] = page;
page->file->wRefCount += 2;
strcpy(wi->caption, page->file->lpszTitle);
}
}
hWnd = CreateWindow(bPopup ? TEXT_WIN_CLASS_NAME : MAIN_WIN_CLASS_NAME,
wi->caption,
bPrimary ? WS_OVERLAPPEDWINDOW : wi->win_style,
wi->origin.x, wi->origin.y, wi->size.cx, wi->size.cy,
NULL, bPrimary ? LoadMenu(Globals.hInstance, MAKEINTRESOURCE(MAIN_MENU)) : 0,
Globals.hInstance, win);
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
/***********************************************************************
*
* WINHELP_CreateHelpWindowByHash
*/
BOOL WINHELP_CreateHelpWindowByHash(HLPFILE* hlpfile, LONG lHash,
HLPFILE_WINDOWINFO* wi, int nCmdShow)
{
HLPFILE_PAGE* page = NULL;
if (hlpfile)
page = lHash ? HLPFILE_PageByHash(hlpfile, lHash) :
HLPFILE_Contents(hlpfile);
if (page) page->file->wRefCount++;
return WINHELP_CreateHelpWindow(page, wi, nCmdShow);
}
/***********************************************************************
*
* WINHELP_MainWndProc
*/
static LRESULT CALLBACK WINHELP_MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WINHELP_WINDOW *win;
WINHELP_BUTTON *button;
RECT rect, button_box_rect;
INT text_top, curPos, min, max, dy, keyDelta;
WINHELP_CheckPopup(msg);
switch (msg)
{
case WM_NCCREATE:
win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
SetWindowLong(hWnd, 0, (LONG) win);
win->hMainWnd = hWnd;
break;
case WM_CREATE:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
/* Create button box and text Window */
CreateWindow(BUTTON_BOX_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
0, 0, 0, 0, hWnd, 0, Globals.hInstance, win);
CreateWindow(TEXT_WIN_CLASS_NAME, "", WS_CHILD | WS_VISIBLE,
0, 0, 0, 0, hWnd, 0, Globals.hInstance, win);
/* Fall through */
case WM_USER:
case WM_WINDOWPOSCHANGED:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
GetClientRect(hWnd, &rect);
/* Update button box and text Window */
SetWindowPos(win->hButtonBoxWnd, HWND_TOP,
rect.left, rect.top,
rect.right - rect.left,
rect.bottom - rect.top, 0);
GetWindowRect(win->hButtonBoxWnd, &button_box_rect);
text_top = rect.top + button_box_rect.bottom - button_box_rect.top;
SetWindowPos(win->hTextWnd, HWND_TOP,
rect.left, text_top,
rect.right - rect.left,
rect.bottom - text_top, 0);
break;
case WM_COMMAND:
Globals.active_win = win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
switch (wParam)
{
/* Menu FILE */
case MNID_FILE_OPEN: MACRO_FileOpen(); break;
case MNID_FILE_PRINT: MACRO_Print(); break;
case MNID_FILE_SETUP: MACRO_PrinterSetup(); break;
case MNID_FILE_EXIT: MACRO_Exit(); break;
/* Menu EDIT */
case MNID_EDIT_COPYDLG: MACRO_CopyDialog(); break;
case MNID_EDIT_ANNOTATE:MACRO_Annotate(); break;
/* Menu Bookmark */
case MNID_BKMK_DEFINE: MACRO_BookmarkDefine(); break;
/* Menu Help */
case MNID_HELP_HELPON: MACRO_HelpOn(); break;
case MNID_HELP_HELPTOP: MACRO_HelpOnTop(); break;
case MNID_HELP_ABOUT: MACRO_About(); break;
case MNID_HELP_WINE: ShellAbout(hWnd, "WINE", "Help", 0); break;
default:
/* Buttons */
for (button = win->first_button; button; button = button->next)
if (wParam == button->wParam) break;
if (button)
MACRO_ExecuteMacro(button->lpszMacro);
else
WINHELP_MessageBoxIDS(STID_NOT_IMPLEMENTED, 0x121, MB_OK);
break;
}
break;
case WM_DESTROY:
if (Globals.hPopupWnd) DestroyWindow(Globals.hPopupWnd);
break;
case WM_COPYDATA:
return WINHELP_HandleCommand((HWND)wParam, lParam);
case WM_KEYDOWN:
keyDelta = 0;
switch (wParam)
{
case VK_UP:
case VK_DOWN:
keyDelta = GetSystemMetrics(SM_CXVSCROLL);
if (wParam == VK_UP)
keyDelta = -keyDelta;
case VK_PRIOR:
case VK_NEXT:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
curPos = GetScrollPos(win->hTextWnd, SB_VERT);
GetScrollRange(win->hTextWnd, SB_VERT, &min, &max);
if (keyDelta == 0)
{
GetClientRect(win->hTextWnd, &rect);
keyDelta = (rect.bottom - rect.top) / 2;
if (wParam == VK_PRIOR)
keyDelta = -keyDelta;
}
curPos += keyDelta;
if (curPos > max)
curPos = max;
else if (curPos < min)
curPos = min;
dy = GetScrollPos(win->hTextWnd, SB_VERT) - curPos;
SetScrollPos(win->hTextWnd, SB_VERT, curPos, TRUE);
ScrollWindow(win->hTextWnd, 0, dy, NULL, NULL);
UpdateWindow(win->hTextWnd);
return 0;
case VK_ESCAPE:
MACRO_Exit();
return 0;
}
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
/***********************************************************************
*
* WINHELP_ButtonBoxWndProc
*/
static LRESULT CALLBACK WINHELP_ButtonBoxWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WINDOWPOS *winpos;
WINHELP_WINDOW *win;
WINHELP_BUTTON *button;
SIZE button_size;
INT x, y;
WINHELP_CheckPopup(msg);
switch (msg)
{
case WM_NCCREATE:
win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
SetWindowLong(hWnd, 0, (LONG) win);
win->hButtonBoxWnd = hWnd;
break;
case WM_WINDOWPOSCHANGING:
winpos = (WINDOWPOS*) lParam;
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
/* Update buttons */
button_size.cx = 0;
button_size.cy = 0;
for (button = win->first_button; button; button = button->next)
{
HDC hDc;
SIZE textsize;
if (!button->hWnd)
{
button->hWnd = CreateWindow(STRING_BUTTON, (LPSTR) button->lpszName,
WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
0, 0, 0, 0,
hWnd, (HMENU) button->wParam,
Globals.hInstance, 0);
if (button->hWnd) {
if (Globals.button_proc == NULL)
Globals.button_proc = (WNDPROC) GetWindowLongPtr(button->hWnd, GWLP_WNDPROC);
SetWindowLongPtr(button->hWnd, GWLP_WNDPROC, (LONG_PTR) WINHELP_ButtonWndProc);
}
}
hDc = GetDC(button->hWnd);
GetTextExtentPoint(hDc, button->lpszName,
lstrlen(button->lpszName), &textsize);
ReleaseDC(button->hWnd, hDc);
button_size.cx = max(button_size.cx, textsize.cx + BUTTON_CX);
button_size.cy = max(button_size.cy, textsize.cy + BUTTON_CY);
}
x = 0;
y = 0;
for (button = win->first_button; button; button = button->next)
{
SetWindowPos(button->hWnd, HWND_TOP, x, y, button_size.cx, button_size.cy, 0);
if (x + 2 * button_size.cx <= winpos->cx)
x += button_size.cx;
else
x = 0, y += button_size.cy;
}
winpos->cy = y + (x ? button_size.cy : 0);
break;
case WM_COMMAND:
SendMessage(GetParent(hWnd), msg, wParam, lParam);
break;
case WM_KEYDOWN:
switch (wParam)
{
case VK_UP:
case VK_DOWN:
case VK_PRIOR:
case VK_NEXT:
case VK_ESCAPE:
return SendMessage(GetParent(hWnd), msg, wParam, lParam);
}
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
/***********************************************************************
*
* WINHELP_ButtonWndProc
*/
static LRESULT CALLBACK WINHELP_ButtonWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (msg == WM_KEYDOWN)
{
switch (wParam)
{
case VK_UP:
case VK_DOWN:
case VK_PRIOR:
case VK_NEXT:
case VK_ESCAPE:
return SendMessage(GetParent(hWnd), msg, wParam, lParam);
}
}
return CallWindowProc(Globals.button_proc, hWnd, msg, wParam, lParam);
}
/***********************************************************************
*
* WINHELP_TextWndProc
*/
static LRESULT CALLBACK WINHELP_TextWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WINHELP_WINDOW *win;
WINHELP_LINE *line;
WINHELP_LINE_PART *part;
WINDOWPOS *winpos;
PAINTSTRUCT ps;
HDC hDc;
POINT mouse;
INT scroll_pos;
HWND hPopupWnd;
BOOL bExit;
if (msg != WM_LBUTTONDOWN)
WINHELP_CheckPopup(msg);
switch (msg)
{
case WM_NCCREATE:
win = (WINHELP_WINDOW*) ((LPCREATESTRUCT) lParam)->lpCreateParams;
SetWindowLong(hWnd, 0, (LONG) win);
win->hTextWnd = hWnd;
if (win->info->win_style & WS_POPUP) Globals.hPopupWnd = win->hMainWnd = hWnd;
WINHELP_InitFonts(hWnd);
break;
case WM_CREATE:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
/* Calculate vertical size and position of a popup window */
if (win->info->win_style & WS_POPUP)
{
POINT origin;
RECT old_window_rect;
RECT old_client_rect;
SIZE old_window_size;
SIZE old_client_size;
SIZE new_client_size;
SIZE new_window_size;
GetWindowRect(hWnd, &old_window_rect);
origin.x = old_window_rect.left;
origin.y = old_window_rect.top;
old_window_size.cx = old_window_rect.right - old_window_rect.left;
old_window_size.cy = old_window_rect.bottom - old_window_rect.top;
GetClientRect(hWnd, &old_client_rect);
old_client_size.cx = old_client_rect.right - old_client_rect.left;
old_client_size.cy = old_client_rect.bottom - old_client_rect.top;
new_client_size = old_client_size;
WINHELP_SplitLines(hWnd, &new_client_size);
if (origin.y + POPUP_YDISTANCE + new_client_size.cy <= GetSystemMetrics(SM_CYSCREEN))
origin.y += POPUP_YDISTANCE;
else
origin.y -= POPUP_YDISTANCE + new_client_size.cy;
new_window_size.cx = old_window_size.cx - old_client_size.cx + new_client_size.cx;
new_window_size.cy = old_window_size.cy - old_client_size.cy + new_client_size.cy;
win->hShadowWnd =
CreateWindow(SHADOW_WIN_CLASS_NAME, "", WS_POPUP,
origin.x + SHADOW_DX, origin.y + SHADOW_DY,
new_window_size.cx, new_window_size.cy,
0, 0, Globals.hInstance, 0);
SetWindowPos(hWnd, HWND_TOP, origin.x, origin.y,
new_window_size.cx, new_window_size.cy,
0);
SetWindowPos(win->hShadowWnd, hWnd, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
ShowWindow(win->hShadowWnd, SW_NORMAL);
SetActiveWindow(hWnd);
}
break;
case WM_WINDOWPOSCHANGED:
winpos = (WINDOWPOS*) lParam;
if (!(winpos->flags & SWP_NOSIZE)) WINHELP_SetupText(hWnd);
break;
case WM_MOUSEWHEEL:
{
int wheelDelta = 0;
UINT scrollLines = 3;
int curPos = GetScrollPos(hWnd, SB_VERT);
int min, max;
GetScrollRange(hWnd, SB_VERT, &min, &max);
SystemParametersInfo(SPI_GETWHEELSCROLLLINES,0, &scrollLines, 0);
if (wParam & (MK_SHIFT | MK_CONTROL))
return DefWindowProc(hWnd, msg, wParam, lParam);
wheelDelta -= GET_WHEEL_DELTA_WPARAM(wParam);
if (abs(wheelDelta) >= WHEEL_DELTA && scrollLines) {
int dy;
curPos += wheelDelta;
if (curPos > max)
curPos = max;
else if (curPos < min)
curPos = min;
dy = GetScrollPos(hWnd, SB_VERT) - curPos;
SetScrollPos(hWnd, SB_VERT, curPos, TRUE);
ScrollWindow(hWnd, 0, dy, NULL, NULL);
UpdateWindow(hWnd);
}
}
break;
case WM_VSCROLL:
{
BOOL update = TRUE;
RECT rect;
INT Min, Max;
INT CurPos = GetScrollPos(hWnd, SB_VERT);
INT dy;
GetScrollRange(hWnd, SB_VERT, &Min, &Max);
GetClientRect(hWnd, &rect);
switch (wParam & 0xffff)
{
case SB_THUMBTRACK:
case SB_THUMBPOSITION: CurPos = wParam >> 16; break;
case SB_TOP: CurPos = Min; break;
case SB_BOTTOM: CurPos = Max; break;
case SB_PAGEUP: CurPos -= (rect.bottom - rect.top) / 2; break;
case SB_PAGEDOWN: CurPos += (rect.bottom - rect.top) / 2; break;
case SB_LINEUP: CurPos -= GetSystemMetrics(SM_CXVSCROLL); break;
case SB_LINEDOWN: CurPos += GetSystemMetrics(SM_CXVSCROLL); break;
default: update = FALSE;
}
if (update)
{
if (CurPos > Max)
CurPos = Max;
else if (CurPos < Min)
CurPos = Min;
dy = GetScrollPos(hWnd, SB_VERT) - CurPos;
SetScrollPos(hWnd, SB_VERT, CurPos, TRUE);
ScrollWindow(hWnd, 0, dy, NULL, NULL);
UpdateWindow(hWnd);
}
}
break;
case WM_PAINT:
hDc = BeginPaint(hWnd, &ps);
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
scroll_pos = GetScrollPos(hWnd, SB_VERT);
for (line = win->first_line; line; line = line->next)
{
for (part = &line->first_part; part; part = part->next)
{
switch (part->cookie)
{
case hlp_line_part_text:
SelectObject(hDc, part->u.text.hFont);
SetTextColor(hDc, part->u.text.color);
TextOut(hDc, part->rect.left, part->rect.top - scroll_pos,
part->u.text.lpsText, part->u.text.wTextLen);
if (part->u.text.wUnderline)
{
HPEN hPen;
switch (part->u.text.wUnderline)
{
case 1: /* simple */
case 2: /* double */
hPen = CreatePen(PS_SOLID, 1, part->u.text.color);
break;
case 3: /* dotted */
hPen = CreatePen(PS_DOT, 1, part->u.text.color);
break;
default:
WINE_FIXME("Unknow underline type\n");
continue;
}
SelectObject(hDc, hPen);
MoveToEx(hDc, part->rect.left, part->rect.bottom - scroll_pos - 1, NULL);
LineTo(hDc, part->rect.right, part->rect.bottom - scroll_pos - 1);
if (part->u.text.wUnderline == 2)
{
MoveToEx(hDc, part->rect.left, part->rect.bottom - scroll_pos + 1, NULL);
LineTo(hDc, part->rect.right, part->rect.bottom - scroll_pos + 1);
}
DeleteObject(hPen);
}
break;
case hlp_line_part_bitmap:
{
HDC hMemDC;
hMemDC = CreateCompatibleDC(hDc);
SelectObject(hMemDC, part->u.bitmap.hBitmap);
BitBlt(hDc, part->rect.left, part->rect.top - scroll_pos,
part->rect.right - part->rect.left, part->rect.bottom - part->rect.top,
hMemDC, 0, 0, SRCCOPY);
DeleteDC(hMemDC);
}
break;
case hlp_line_part_metafile:
{
POINT pt;
SetViewportOrgEx(hDc, part->rect.left, part->rect.top - scroll_pos, &pt);
PlayMetaFile(hDc, part->u.metafile.hMetaFile);
SetViewportOrgEx(hDc, pt.x, pt.y, NULL);
}
break;
}
}
}
EndPaint(hWnd, &ps);
break;
case WM_MOUSEMOVE:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
if (WINHELP_IsOverLink(win, wParam, lParam))
SetCursor(win->hHandCur); /* set to hand pointer cursor to indicate a link */
else
SetCursor(win->hArrowCur); /* set to hand pointer cursor to indicate a link */
break;
case WM_LBUTTONDOWN:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
hPopupWnd = Globals.hPopupWnd;
Globals.hPopupWnd = 0;
part = WINHELP_IsOverLink(win, wParam, lParam);
if (part)
{
HLPFILE* hlpfile;
HLPFILE_WINDOWINFO* wi;
mouse.x = LOWORD(lParam);
mouse.y = HIWORD(lParam);
if (part->link) switch (part->link->cookie)
{
case hlp_link_link:
hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
if (part->link->window == -1)
wi = win->info;
else if ((part->link->window >= 0) && (part->link->window < hlpfile->numWindows))
wi = &hlpfile->windows[part->link->window];
else
{
WINE_WARN("link to window %d/%d\n", part->link->window, hlpfile->numWindows);
break;
}
WINHELP_CreateHelpWindowByHash(hlpfile, part->link->lHash, wi,
SW_NORMAL);
break;
case hlp_link_popup:
hlpfile = WINHELP_LookupHelpFile(part->link->lpszString);
WINHELP_CreateHelpWindowByHash(hlpfile, part->link->lHash,
WINHELP_GetPopupWindowInfo(hlpfile, hWnd, &mouse),
SW_NORMAL);
break;
case hlp_link_macro:
MACRO_ExecuteMacro(part->link->lpszString);
break;
default:
WINE_FIXME("Unknown link cookie %d\n", part->link->cookie);
}
}
if (hPopupWnd)
DestroyWindow(hPopupWnd);
break;
case WM_NCDESTROY:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
if (hWnd == Globals.hPopupWnd) Globals.hPopupWnd = 0;
bExit = (Globals.wVersion >= 4 && !lstrcmpi(win->lpszName, "main"));
WINHELP_DeleteWindow(win);
if (bExit) MACRO_Exit();
if (!Globals.win_list)
PostQuitMessage(0);
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
/******************************************************************
* WINHELP_HistoryWndProc
*
*
*/
static LRESULT CALLBACK WINHELP_HistoryWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WINHELP_WINDOW* win;
PAINTSTRUCT ps;
HDC hDc;
TEXTMETRIC tm;
unsigned int i;
RECT r;
switch (msg)
{
case WM_NCCREATE:
win = (WINHELP_WINDOW*)((LPCREATESTRUCT)lParam)->lpCreateParams;
SetWindowLong(hWnd, 0, (LONG)win);
win->hHistoryWnd = hWnd;
break;
case WM_CREATE:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
hDc = GetDC(hWnd);
GetTextMetrics(hDc, &tm);
GetWindowRect(hWnd, &r);
r.right = r.left + 30 * tm.tmAveCharWidth;
r.bottom = r.top + (sizeof(win->history) / sizeof(win->history[0])) * tm.tmHeight;
AdjustWindowRect(&r, GetWindowLong(hWnd, GWL_STYLE), FALSE);
if (r.left < 0) {r.right -= r.left; r.left = 0;}
if (r.top < 0) {r.bottom -= r.top; r.top = 0;}
MoveWindow(hWnd, r.left, r.top, r.right, r.bottom, TRUE);
ReleaseDC(hWnd, hDc);
break;
case WM_LBUTTONDOWN:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
hDc = GetDC(hWnd);
GetTextMetrics(hDc, &tm);
i = HIWORD(lParam) / tm.tmHeight;
if (i < win->histIndex)
WINHELP_CreateHelpWindow(win->history[i], win->info, SW_SHOW);
ReleaseDC(hWnd, hDc);
break;
case WM_PAINT:
hDc = BeginPaint(hWnd, &ps);
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
GetTextMetrics(hDc, &tm);
for (i = 0; i < win->histIndex; i++)
{
TextOut(hDc, 0, i * tm.tmHeight, win->history[i]->lpszTitle,
strlen(win->history[i]->lpszTitle));
}
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
if (hWnd == win->hHistoryWnd)
win->hHistoryWnd = 0;
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
/***********************************************************************
*
* WINHELP_ShadowWndProc
*/
static LRESULT CALLBACK WINHELP_ShadowWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WINHELP_CheckPopup(msg);
return DefWindowProc(hWnd, msg, wParam, lParam);
}
/***********************************************************************
*
* SetupText
*/
static void WINHELP_SetupText(HWND hWnd)
{
HDC hDc = GetDC(hWnd);
RECT rect;
SIZE newsize;
ShowScrollBar(hWnd, SB_VERT, FALSE);
if (!WINHELP_SplitLines(hWnd, NULL))
{
ShowScrollBar(hWnd, SB_VERT, TRUE);
GetClientRect(hWnd, &rect);
WINHELP_SplitLines(hWnd, &newsize);
SetScrollRange(hWnd, SB_VERT, 0, rect.top + newsize.cy - rect.bottom, TRUE);
}
else
{
SetScrollPos(hWnd, SB_VERT, 0, FALSE);
SetScrollRange(hWnd, SB_VERT, 0, 0, FALSE);
}
ReleaseDC(hWnd, hDc);
}
/***********************************************************************
*
* WINHELP_AppendText
*/
static BOOL WINHELP_AppendText(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
LPSIZE space, LPSIZE textsize,
INT *line_ascent, INT ascent,
LPCSTR text, UINT textlen,
HFONT font, COLORREF color, HLPFILE_LINK *link,
unsigned underline)
{
WINHELP_LINE *line;
WINHELP_LINE_PART *part;
LPSTR ptr;
if (!*partp) /* New line */
{
*line_ascent = ascent;
line = HeapAlloc(GetProcessHeap(), 0,
sizeof(WINHELP_LINE) + textlen);
if (!line) return FALSE;
line->next = 0;
part = &line->first_part;
ptr = (char*)line + sizeof(WINHELP_LINE);
line->rect.top = (**linep ? (**linep)->rect.bottom : 0) + space->cy;
line->rect.bottom = line->rect.top;
line->rect.left = space->cx;
line->rect.right = space->cx;
if (**linep) *linep = &(**linep)->next;
**linep = line;
space->cy = 0;
}
else /* Same line */
{
line = **linep;
if (*line_ascent < ascent)
{
WINHELP_LINE_PART *p;
for (p = &line->first_part; p; p = p->next)
{
p->rect.top += ascent - *line_ascent;
p->rect.bottom += ascent - *line_ascent;
}
line->rect.bottom += ascent - *line_ascent;
*line_ascent = ascent;
}
part = HeapAlloc(GetProcessHeap(), 0,
sizeof(WINHELP_LINE_PART) + textlen);
if (!part) return FALSE;
**partp = part;
ptr = (char*)part + sizeof(WINHELP_LINE_PART);
}
memcpy(ptr, text, textlen);
part->cookie = hlp_line_part_text;
part->rect.left = line->rect.right + (*partp ? space->cx : 0);
part->rect.right = part->rect.left + textsize->cx;
line->rect.right = part->rect.right;
part->rect.top =
((*partp) ? line->rect.top : line->rect.bottom) + *line_ascent - ascent;
part->rect.bottom = part->rect.top + textsize->cy;
line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
part->u.text.lpsText = ptr;
part->u.text.wTextLen = textlen;
part->u.text.hFont = font;
part->u.text.color = color;
part->u.text.wUnderline = underline;
WINE_TRACE("Appended text '%*.*s'[%d] @ (%ld,%ld-%ld,%ld)\n",
part->u.text.wTextLen,
part->u.text.wTextLen,
part->u.text.lpsText,
part->u.text.wTextLen,
part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
part->link = link;
if (link) link->wRefCount++;
part->next = 0;
*partp = &part->next;
space->cx = 0;
return TRUE;
}
/***********************************************************************
*
* WINHELP_AppendGfxObject
*/
static WINHELP_LINE_PART* WINHELP_AppendGfxObject(WINHELP_LINE ***linep, WINHELP_LINE_PART ***partp,
LPSIZE space, LPSIZE gfxSize,
HLPFILE_LINK *link, unsigned pos)
{
WINHELP_LINE *line;
WINHELP_LINE_PART *part;
LPSTR ptr;
if (!*partp || pos == 1) /* New line */
{
line = HeapAlloc(GetProcessHeap(), 0, sizeof(WINHELP_LINE));
if (!line) return NULL;
line->next = NULL;
part = &line->first_part;
line->rect.top = (**linep ? (**linep)->rect.bottom : 0) + space->cy;
line->rect.bottom = line->rect.top;
line->rect.left = space->cx;
line->rect.right = space->cx;
if (**linep) *linep = &(**linep)->next;
**linep = line;
space->cy = 0;
ptr = (char*)line + sizeof(WINHELP_LINE);
}
else /* Same line */
{
if (pos == 2) WINE_FIXME("Left alignment not handled\n");
line = **linep;
part = HeapAlloc(GetProcessHeap(), 0, sizeof(WINHELP_LINE_PART));
if (!part) return NULL;
**partp = part;
ptr = (char*)part + sizeof(WINHELP_LINE_PART);
}
/* part->cookie should be set by caller (image or metafile) */
part->rect.left = line->rect.right + (*partp ? space->cx : 0);
part->rect.right = part->rect.left + gfxSize->cx;
line->rect.right = part->rect.right;
part->rect.top = (*partp) ? line->rect.top : line->rect.bottom;
part->rect.bottom = part->rect.top + gfxSize->cy;
line->rect.bottom = max(line->rect.bottom, part->rect.bottom);
WINE_TRACE("Appended gfx @ (%ld,%ld-%ld,%ld)\n",
part->rect.left, part->rect.top, part->rect.right, part->rect.bottom);
part->link = link;
if (link) link->wRefCount++;
part->next = NULL;
*partp = &part->next;
space->cx = 0;
return part;
}
/***********************************************************************
*
* WINHELP_SplitLines
*/
static BOOL WINHELP_SplitLines(HWND hWnd, LPSIZE newsize)
{
WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
HLPFILE_PARAGRAPH *p;
WINHELP_LINE **line = &win->first_line;
WINHELP_LINE_PART **part = 0;
INT line_ascent = 0;
SIZE space;
RECT rect;
HDC hDc;
if (newsize) newsize->cx = newsize->cy = 0;
if (!win->page) return TRUE;
WINHELP_DeleteLines(win);
GetClientRect(hWnd, &rect);
rect.top += INTERNAL_BORDER_WIDTH;
rect.left += INTERNAL_BORDER_WIDTH;
rect.right -= INTERNAL_BORDER_WIDTH;
rect.bottom -= INTERNAL_BORDER_WIDTH;
space.cy = rect.top;
space.cx = rect.left;
hDc = GetDC(hWnd);
for (p = win->page->first_paragraph; p; p = p->next)
{
switch (p->cookie)
{
case para_normal_text:
case para_debug_text:
{
TEXTMETRIC tm;
SIZE textsize = {0, 0};
LPCSTR text = p->u.text.lpszText;
UINT indent = 0;
UINT len = strlen(text);
unsigned underline = 0;
HFONT hFont = 0;
COLORREF color = RGB(0, 0, 0);
if (p->u.text.wFont < win->page->file->numFonts)
{
HLPFILE* hlpfile = win->page->file;
if (!hlpfile->fonts[p->u.text.wFont].hFont)
hlpfile->fonts[p->u.text.wFont].hFont = CreateFontIndirect(&hlpfile->fonts[p->u.text.wFont].LogFont);
hFont = hlpfile->fonts[p->u.text.wFont].hFont;
color = hlpfile->fonts[p->u.text.wFont].color;
}
else
{
UINT wFont = (p->u.text.wFont < win->fonts_len) ? p->u.text.wFont : 0;
hFont = win->fonts[wFont];
}
if (p->link && p->link->bClrChange)
{
underline = (p->link->cookie == hlp_link_popup) ? 3 : 1;
color = RGB(0, 0x80, 0);
}
if (p->cookie == para_debug_text) color = RGB(0xff, 0, 0);
SelectObject(hDc, hFont);
GetTextMetrics(hDc, &tm);
if (p->u.text.wIndent)
{
indent = p->u.text.wIndent * 5 * tm.tmAveCharWidth;
if (!part)
space.cx = rect.left + indent - 2 * tm.tmAveCharWidth;
}
if (p->u.text.wVSpace)
{
part = 0;
space.cx = rect.left + indent;
space.cy += (p->u.text.wVSpace - 1) * tm.tmHeight;
}
if (p->u.text.wHSpace)
{
space.cx += p->u.text.wHSpace * 2 * tm.tmAveCharWidth;
}
WINE_TRACE("splitting text %s\n", text);
while (len)
{
INT free_width = rect.right - (part ? (*line)->rect.right : rect.left) - space.cx;
UINT low = 0, curr = len, high = len, textlen = 0;
if (free_width > 0)
{
while (1)
{
GetTextExtentPoint(hDc, text, curr, &textsize);
if (textsize.cx <= free_width) low = curr;
else high = curr;
if (high <= low + 1) break;
if (textsize.cx) curr = (curr * free_width) / textsize.cx;
if (curr <= low) curr = low + 1;
else if (curr >= high) curr = high - 1;
}
textlen = low;
while (textlen && text[textlen] && text[textlen] != ' ') textlen--;
}
if (!part && !textlen) textlen = max(low, 1);
if (free_width <= 0 || !textlen)
{
part = 0;
space.cx = rect.left + indent;
space.cx = min(space.cx, rect.right - rect.left - 1);
continue;
}
WINE_TRACE("\t => %d %*s\n", textlen, textlen, text);
if (!WINHELP_AppendText(&line, &part, &space, &textsize,
&line_ascent, tm.tmAscent,
text, textlen, hFont, color, p->link, underline) ||
(!newsize && (*line)->rect.bottom > rect.bottom))
{
ReleaseDC(hWnd, hDc);
return FALSE;
}
if (newsize)
newsize->cx = max(newsize->cx, (*line)->rect.right + INTERNAL_BORDER_WIDTH);
len -= textlen;
text += textlen;
if (text[0] == ' ') text++, len--;
}
}
break;
case para_bitmap:
case para_metafile:
{
SIZE gfxSize;
INT free_width;
WINHELP_LINE_PART* ref_part;
if (p->u.gfx.pos & 0x8000)
{
space.cx = rect.left;
if (*line)
space.cy += (*line)->rect.bottom - (*line)->rect.top;
part = 0;
}
if (p->cookie == para_bitmap)
{
DIBSECTION dibs;
GetObject(p->u.gfx.u.bmp.hBitmap, sizeof(dibs), &dibs);
gfxSize.cx = dibs.dsBm.bmWidth;
gfxSize.cy = dibs.dsBm.bmHeight;
}
else gfxSize = p->u.gfx.u.mf.mfSize;
free_width = rect.right - ((part && *line) ? (*line)->rect.right : rect.left) - space.cx;
if (free_width <= 0)
{
part = NULL;
space.cx = rect.left;
space.cx = min(space.cx, rect.right - rect.left - 1);
}
ref_part = WINHELP_AppendGfxObject(&line, &part, &space, &gfxSize,
p->link, p->u.gfx.pos);
if (!ref_part || (!newsize && (*line)->rect.bottom > rect.bottom))
{
return FALSE;
}
if (p->cookie == para_bitmap)
{
ref_part->cookie = hlp_line_part_bitmap;
ref_part->u.bitmap.hBitmap = p->u.gfx.u.bmp.hBitmap;
}
else
{
ref_part->cookie = hlp_line_part_metafile;
ref_part->u.metafile.hMetaFile = p->u.gfx.u.mf.hMetaFile;
}
}
break;
}
}
if (newsize)
newsize->cy = (*line)->rect.bottom + INTERNAL_BORDER_WIDTH;
ReleaseDC(hWnd, hDc);
return TRUE;
}
/***********************************************************************
*
* WINHELP_CheckPopup
*/
static void WINHELP_CheckPopup(UINT msg)
{
if (!Globals.hPopupWnd) return;
switch (msg)
{
case WM_COMMAND:
case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_NCLBUTTONDOWN:
case WM_NCMBUTTONDOWN:
case WM_NCRBUTTONDOWN:
DestroyWindow(Globals.hPopupWnd);
Globals.hPopupWnd = 0;
}
}
/***********************************************************************
*
* WINHELP_DeleteLines
*/
static void WINHELP_DeleteLines(WINHELP_WINDOW *win)
{
WINHELP_LINE *line, *next_line;
WINHELP_LINE_PART *part, *next_part;
for (line = win->first_line; line; line = next_line)
{
next_line = line->next;
for (part = &line->first_part; part; part = next_part)
{
next_part = part->next;
HLPFILE_FreeLink(part->link);
HeapFree(GetProcessHeap(), 0, part);
}
}
win->first_line = 0;
}
/***********************************************************************
*
* WINHELP_DeleteWindow
*/
static void WINHELP_DeleteWindow(WINHELP_WINDOW* win)
{
WINHELP_WINDOW** w;
unsigned int i;
WINHELP_BUTTON* b;
WINHELP_BUTTON* bp;
for (w = &Globals.win_list; *w; w = &(*w)->next)
{
if (*w == win)
{
*w = win->next;
break;
}
}
for (b = win->first_button; b; b = bp)
{
DestroyWindow(b->hWnd);
bp = b->next;
HeapFree(GetProcessHeap(), 0, b);
}
if (win->hShadowWnd) DestroyWindow(win->hShadowWnd);
if (win->hHistoryWnd) DestroyWindow(win->hHistoryWnd);
for (i = 0; i < win->histIndex; i++)
{
HLPFILE_FreeHlpFile(win->history[i]->file);
}
for (i = 0; i < win->backIndex; i++)
HLPFILE_FreeHlpFile(win->back[i]->file);
if (win->page) HLPFILE_FreeHlpFile(win->page->file);
WINHELP_DeleteLines(win);
HeapFree(GetProcessHeap(), 0, win);
}
/***********************************************************************
*
* WINHELP_InitFonts
*/
static void WINHELP_InitFonts(HWND hWnd)
{
WINHELP_WINDOW *win = (WINHELP_WINDOW*) GetWindowLong(hWnd, 0);
LOGFONT logfontlist[] = {
{-10, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
{-12, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
{-12, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
{-12, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
{-12, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
{-10, 0, 0, 0, 700, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"},
{ -8, 0, 0, 0, 400, 0, 0, 0, 0, 0, 0, 0, 32, "Helv"}};
#define FONTS_LEN (sizeof(logfontlist)/sizeof(*logfontlist))
static HFONT fonts[FONTS_LEN];
static BOOL init = 0;
win->fonts_len = FONTS_LEN;
win->fonts = fonts;
if (!init)
{
UINT i;
for (i = 0; i < FONTS_LEN; i++)
{
fonts[i] = CreateFontIndirect(&logfontlist[i]);
}
init = 1;
}
}
/***********************************************************************
*
* WINHELP_MessageBoxIDS
*/
INT WINHELP_MessageBoxIDS(UINT ids_text, UINT ids_title, WORD type)
{
CHAR text[MAX_STRING_LEN];
CHAR title[MAX_STRING_LEN];
LoadString(Globals.hInstance, ids_text, text, sizeof(text));
LoadString(Globals.hInstance, ids_title, title, sizeof(title));
return MessageBox(0, text, title, type);
}
/***********************************************************************
*
* MAIN_MessageBoxIDS_s
*/
INT WINHELP_MessageBoxIDS_s(UINT ids_text, LPCSTR str, UINT ids_title, WORD type)
{
CHAR text[MAX_STRING_LEN];
CHAR title[MAX_STRING_LEN];
CHAR newtext[MAX_STRING_LEN + MAX_PATHNAME_LEN];
LoadString(Globals.hInstance, ids_text, text, sizeof(text));
LoadString(Globals.hInstance, ids_title, title, sizeof(title));
wsprintf(newtext, text, str);
return MessageBox(0, newtext, title, type);
}
/******************************************************************
* WINHELP_IsOverLink
*
*
*/
WINHELP_LINE_PART* WINHELP_IsOverLink(WINHELP_WINDOW* win, WPARAM wParam, LPARAM lParam)
{
POINT mouse;
WINHELP_LINE *line;
WINHELP_LINE_PART *part;
int scroll_pos = GetScrollPos(win->hTextWnd, SB_VERT);
mouse.x = LOWORD(lParam);
mouse.y = HIWORD(lParam);
for (line = win->first_line; line; line = line->next)
{
for (part = &line->first_part; part; part = part->next)
{
if (part->link &&
part->link->lpszString &&
part->rect.left <= mouse.x &&
part->rect.right >= mouse.x &&
part->rect.top <= mouse.y + scroll_pos &&
part->rect.bottom >= mouse.y + scroll_pos)
{
return part;
}
}
}
return NULL;
}
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