mirror of
https://github.com/reactos/reactos.git
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Create a branch for header work.
svn path=/branches/header-work/; revision=45691
This commit is contained in:
Timo Kreuzer
parent
14fe274b1c
commit
9ea495ba33
19538 changed files with 0 additions and 1063950 deletions
412
base/applications/fontview/display.c
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412
base/applications/fontview/display.c
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/*
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* fontview display class
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*
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* display.c
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*
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* Copyright (C) 2007 Timo Kreuzer <timo <dot> kreuzer <at> reactos <dot> org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <windows.h>
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#include <stdio.h>
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#include "display.h"
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#define SPACING1 8
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#define SPACING2 5
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const WCHAR g_szFontDisplayClassName[] = L"FontDisplayClass";
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LRESULT CALLBACK DisplayProc(HWND, UINT, WPARAM, LPARAM);
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/* Internal data storage type */
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typedef struct
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{
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int nPageHeight;
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WCHAR szTypeFaceName[LF_FULLFACESIZE];
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WCHAR szFormat[MAX_FORMAT];
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WCHAR szString[MAX_STRING];
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HFONT hCaptionFont;
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HFONT hCharSetFont;
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HFONT hSizeFont;
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HFONT hFonts[MAX_SIZES];
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int nSizes[MAX_SIZES];
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int nHeights[MAX_SIZES];
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} DISPLAYDATA;
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/* This is the only public function, it registers the class */
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BOOL
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Display_InitClass(HINSTANCE hInstance)
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{
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WNDCLASSEXW wincl;
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/* Set the fontdisplay window class structure */
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wincl.cbSize = sizeof(WNDCLASSEX);
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wincl.style = CS_DBLCLKS;
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wincl.lpfnWndProc = DisplayProc;
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wincl.cbClsExtra = 0;
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wincl.cbWndExtra = 0;
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wincl.hInstance = hInstance;
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wincl.hIcon = NULL;
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wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
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wincl.hbrBackground = GetStockObject(WHITE_BRUSH);
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wincl.lpszMenuName = NULL;
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wincl.lpszClassName = g_szFontDisplayClassName;
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wincl.hIconSm = NULL;
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/* Register the window class, and if it fails return FALSE */
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if (!RegisterClassExW (&wincl))
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{
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return FALSE;
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}
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return TRUE;
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}
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static int
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Display_DrawText(HDC hDC, DISPLAYDATA* pData, int nYPos)
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{
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HFONT hOldFont;
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TEXTMETRIC tm;
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int i, y;
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WCHAR szSize[5];
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WCHAR szCaption[LF_FULLFACESIZE + 20];
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/* This is the location on the DC where we draw */
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y = -nYPos;
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hOldFont = SelectObject(hDC, pData->hCaptionFont);
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GetTextMetrics(hDC, &tm);
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swprintf(szCaption, L"%s%s", pData->szTypeFaceName, pData->szFormat);
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TextOutW(hDC, 0, y, szCaption, wcslen(szCaption));
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y += tm.tmHeight + SPACING1;
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/* Draw a seperation Line */
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SelectObject(hDC, GetStockObject(BLACK_PEN));
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MoveToEx(hDC, 0, y, NULL);
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LineTo(hDC, 10000, y);
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y += SPACING2;
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/* TODO: Output font info */
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/* Output Character set */
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hOldFont = SelectObject(hDC, pData->hCharSetFont);
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GetTextMetrics(hDC, &tm);
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swprintf(szCaption, L"abcdefghijklmnopqrstuvwxyz");
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TextOutW(hDC, 0, y, szCaption, wcslen(szCaption));
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y += tm.tmHeight + 1;
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swprintf(szCaption, L"ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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TextOutW(hDC, 0, y, szCaption, wcslen(szCaption));
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y += tm.tmHeight + 1;
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swprintf(szCaption, L"0123456789.:,;(\"~!@#$%^&*')");
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TextOutW(hDC, 0, y, szCaption, wcslen(szCaption));
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y += tm.tmHeight + 1;
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/* Draw a seperation Line */
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SelectObject(hDC, GetStockObject(BLACK_PEN));
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MoveToEx(hDC, 0, y, NULL);
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LineTo(hDC, 10000, y);
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y += SPACING2;
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/* Output the strings for different sizes */
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for (i = 0; i < MAX_SIZES; i++)
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{
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SelectObject(hDC, pData->hFonts[i]);
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TextOutW(hDC, 20, y, pData->szString, wcslen(pData->szString));
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GetTextMetrics(hDC, &tm);
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y += tm.tmHeight + 1;
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SelectObject(hDC, pData->hSizeFont);
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swprintf(szSize, L"%d", pData->nSizes[i]);
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TextOutW(hDC, 0, y - 13 - tm.tmDescent, szSize, wcslen(szSize));
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}
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SelectObject(hDC, hOldFont);
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return y;
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}
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static LRESULT
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Display_SetTypeFace(HWND hwnd, PEXTLOGFONTW pExtLogFont)
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{
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DISPLAYDATA* pData;
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TEXTMETRIC tm;
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HDC hDC;
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RECT rect;
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SCROLLINFO si;
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int i;
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LOGFONTW logfont;
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/* Set the new type face name */
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pData = (DISPLAYDATA*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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_snwprintf(pData->szTypeFaceName, LF_FULLFACESIZE, pExtLogFont->elfFullName);
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/* Create the new fonts */
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hDC = GetDC(hwnd);
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DeleteObject(pData->hCharSetFont);
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logfont = pExtLogFont->elfLogFont;
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logfont.lfHeight = -MulDiv(16, GetDeviceCaps(GetDC(NULL), LOGPIXELSY), 72);
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pData->hCharSetFont = CreateFontIndirectW(&logfont);
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/* Get font format */
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// FIXME: Get the real font format (OpenType?)
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SelectObject(hDC, pData->hCharSetFont);
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GetTextMetrics(hDC, &tm);
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if ((tm.tmPitchAndFamily & TMPF_TRUETYPE) == TMPF_TRUETYPE)
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{
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swprintf(pData->szFormat, L" (TrueType)");
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}
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for (i = 0; i < MAX_SIZES; i++)
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{
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DeleteObject(pData->hFonts[i]);
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logfont.lfHeight = -MulDiv(pData->nSizes[i], GetDeviceCaps(hDC, LOGPIXELSY), 72);
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pData->hFonts[i] = CreateFontIndirectW(&logfont);
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}
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/* Calculate new page dimensions */
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pData->nPageHeight = Display_DrawText(hDC, pData, 0);
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ReleaseDC(hwnd, hDC);
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/* Set the vertical scrolling range and page size */
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GetClientRect(hwnd, &rect);
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si.cbSize = sizeof(si);
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si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS;
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si.nMin = 0;
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si.nMax = pData->nPageHeight;
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si.nPage = rect.bottom;
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si.nPos = 0;
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si.nTrackPos = 0;
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SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
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return 0;
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}
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static LRESULT
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Display_SetString(HWND hwnd, LPARAM lParam)
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{
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DISPLAYDATA* pData;
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pData = (DISPLAYDATA*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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_snwprintf(pData->szString, MAX_STRING, (WCHAR*)lParam);
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// FIXME: redraw the window
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return 0;
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}
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static LRESULT
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Display_OnCreate(HWND hwnd)
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{
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DISPLAYDATA* pData;
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const int nSizes[MAX_SIZES] = {8, 12, 18, 24, 36, 48, 60, 72};
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int i;
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EXTLOGFONTW ExtLogFont = {{50, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE,
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ANSI_CHARSET, OUT_DEFAULT_PRECIS,
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CLIP_DEFAULT_PRECIS, PROOF_QUALITY,
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DEFAULT_PITCH , L"Ms Shell Dlg"},
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L"Ms Shell Dlg"};
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/* Create data structure */
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pData = malloc(sizeof(DISPLAYDATA));
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ZeroMemory(pData, sizeof(DISPLAYDATA));
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/* Set the window's GWLP_USERDATA to our data structure */
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)pData);
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for (i = 0; i < MAX_SIZES; i++)
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{
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pData->nSizes[i] = nSizes[i];
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}
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pData->hCaptionFont = CreateFontIndirectW(&ExtLogFont.elfLogFont);
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ExtLogFont.elfLogFont.lfHeight = 12;
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pData->hSizeFont = CreateFontIndirectW(&ExtLogFont.elfLogFont);
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Display_SetString(hwnd, (LPARAM)L"Jackdaws love my big sphinx of quartz. 1234567890");
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Display_SetTypeFace(hwnd, &ExtLogFont);
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return 0;
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}
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static LRESULT
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Display_OnPaint(HWND hwnd)
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{
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DISPLAYDATA* pData;
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PAINTSTRUCT ps;
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SCROLLINFO si;
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pData = (DISPLAYDATA*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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/* Get the Scroll position */
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si.cbSize = sizeof(si);
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si.fMask = SIF_POS;
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GetScrollInfo(hwnd, SB_VERT, &si);
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BeginPaint(hwnd, &ps);
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/* Erase background */
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FillRect(ps.hdc, &ps.rcPaint, GetStockObject(WHITE_BRUSH));
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/* Draw the text */
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Display_DrawText(ps.hdc, pData, si.nPos);
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EndPaint(hwnd, &ps);
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return 0;
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}
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static LRESULT
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Display_OnSize(HWND hwnd)
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{
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RECT rect;
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SCROLLINFO si;
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int nOldPos;
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GetClientRect(hwnd, &rect);
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/* Get the old scroll pos */
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si.cbSize = sizeof(si);
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si.fMask = SIF_POS;
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GetScrollInfo(hwnd, SB_VERT, &si);
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nOldPos = si.nPos;
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/* Set the new page size */
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si.fMask = SIF_PAGE;
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si.nPage = rect.bottom;
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SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
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/* Get the new scroll pos */
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si.fMask = SIF_POS;
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GetScrollInfo(hwnd, SB_VERT, &si);
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/* If they don't match ... */
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if (nOldPos != si.nPos)
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{
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/* ... scroll the window */
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ScrollWindowEx(hwnd, 0, nOldPos - si.nPos, NULL, NULL, NULL, NULL, SW_INVALIDATE);
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UpdateWindow(hwnd);
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}
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return 0;
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}
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static LRESULT
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Display_OnVScroll(HWND hwnd, WPARAM wParam)
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{
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SCROLLINFO si;
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int nPos;
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si.cbSize = sizeof(si);
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si.fMask = SIF_POS | SIF_RANGE | SIF_TRACKPOS;
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GetScrollInfo(hwnd, SB_VERT, &si);
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switch(LOWORD(wParam))
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{
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case SB_PAGEUP:
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nPos = si.nPos - 50;
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break;
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case SB_PAGEDOWN:
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nPos = si.nPos + 50;
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break;
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case SB_LINEUP:
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nPos = si.nPos - 10;
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break;
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case SB_LINEDOWN:
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nPos = si.nPos + 10;
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break;
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case SB_THUMBTRACK:
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case SB_THUMBPOSITION:
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nPos = si.nTrackPos;
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break;
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default:
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nPos = si.nPos;
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}
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nPos = max(nPos, si.nMin);
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nPos = min(nPos, si.nMax);
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if (nPos != si.nPos)
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{
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ScrollWindowEx(hwnd, 0, si.nPos - nPos, NULL, NULL, NULL, NULL, SW_INVALIDATE);
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si.cbSize = sizeof(si);
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si.nPos = nPos;
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si.fMask = SIF_POS;
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SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
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UpdateWindow(hwnd);
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}
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return 0;
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}
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static LRESULT
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Display_OnDestroy(HWND hwnd)
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{
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DISPLAYDATA* pData;
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int i;
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pData = (DISPLAYDATA*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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/* Delete the fonts */
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DeleteObject(pData->hCaptionFont);
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DeleteObject(pData->hCharSetFont);
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DeleteObject(pData->hSizeFont);
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for (i = 0; i < MAX_SIZES; i++)
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{
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DeleteObject(pData->hFonts[i]);
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}
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/* Free the data structure */
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free(pData);
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return 0;
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}
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LRESULT CALLBACK
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DisplayProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (message)
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{
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case WM_CREATE:
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return Display_OnCreate(hwnd);
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case WM_PAINT:
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return Display_OnPaint(hwnd);
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case WM_SIZE:
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return Display_OnSize(hwnd);
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case WM_VSCROLL:
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return Display_OnVScroll(hwnd, wParam);
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case FVM_SETTYPEFACE:
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return Display_SetTypeFace(hwnd, (PEXTLOGFONTW)lParam);
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case FVM_SETSTRING:
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return Display_SetString(hwnd, lParam);
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case WM_DESTROY:
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return Display_OnDestroy(hwnd);
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default:
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return DefWindowProcW(hwnd, message, wParam, lParam);
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}
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return 0;
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}
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