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wine/programs/winecfg/x11drvdlg.c
Alexandre Julliard 7d7eee09b5 winecfg: Constrain DPI values to the commonly supported ones. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2018-05-15 12:37:28 +02:00

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/*
* Graphics configuration code
*
* Copyright 2003 Mark Westcott
* Copyright 2003-2004 Mike Hearn
* Copyright 2005 Raphael Junqueira
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#define WIN32_LEAN_AND_MEAN
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <windows.h>
#include <wine/unicode.h>
#include <wine/debug.h>
#include "resource.h"
#include "winecfg.h"
WINE_DEFAULT_DEBUG_CHANNEL(winecfg);
#define RES_MAXLEN 5 /* max number of digits in a screen dimension. 5 digits should be plenty */
#define MINDPI 96
#define MAXDPI 480
#define DEFDPI 96
#define IDT_DPIEDIT 0x1234
static const WCHAR logpixels_reg[] = {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','D','e','s','k','t','o','p','\0'};
static const WCHAR def_logpixels_reg[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
static const WCHAR logpixels[] = {'L','o','g','P','i','x','e','l','s',0};
static const WCHAR desktopW[] = {'D','e','s','k','t','o','p',0};
static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',0};
static const WCHAR explorerW[] = {'E','x','p','l','o','r','e','r',0};
static const WCHAR explorer_desktopsW[] = {'E','x','p','l','o','r','e','r','\\',
'D','e','s','k','t','o','p','s',0};
static const UINT dpi_values[] = { 96, 120, 144, 168, 192, 216, 240, 288, 336, 384, 432, 480 };
static BOOL updating_ui;
/* convert the x11 desktop key to the new explorer config */
static void convert_x11_desktop_key(void)
{
char *buf;
if (!(buf = get_reg_key(config_key, "X11 Driver", "Desktop", NULL))) return;
set_reg_key(config_key, "Explorer\\Desktops", "Default", buf);
set_reg_key(config_key, "Explorer", "Desktop", "Default");
set_reg_key(config_key, "X11 Driver", "Desktop", NULL);
HeapFree(GetProcessHeap(), 0, buf);
}
static void update_gui_for_desktop_mode(HWND dialog)
{
WCHAR *buf, *bufindex;
const WCHAR *desktop_name = current_app ? current_app : defaultW;
WINE_TRACE("\n");
updating_ui = TRUE;
buf = get_reg_keyW(config_key, explorer_desktopsW, desktop_name, NULL);
if (buf && (bufindex = strchrW(buf, 'x')))
{
*bufindex++ = 0;
SetDlgItemTextW(dialog, IDC_DESKTOP_WIDTH, buf);
SetDlgItemTextW(dialog, IDC_DESKTOP_HEIGHT, bufindex);
} else {
SetDlgItemTextA(dialog, IDC_DESKTOP_WIDTH, "800");
SetDlgItemTextA(dialog, IDC_DESKTOP_HEIGHT, "600");
}
HeapFree(GetProcessHeap(), 0, buf);
/* do we have desktop mode enabled? */
if (reg_key_exists(config_key, keypath("Explorer"), "Desktop"))
{
CheckDlgButton(dialog, IDC_ENABLE_DESKTOP, BST_CHECKED);
enable(IDC_DESKTOP_WIDTH);
enable(IDC_DESKTOP_HEIGHT);
enable(IDC_DESKTOP_SIZE);
enable(IDC_DESKTOP_BY);
}
else
{
CheckDlgButton(dialog, IDC_ENABLE_DESKTOP, BST_UNCHECKED);
disable(IDC_DESKTOP_WIDTH);
disable(IDC_DESKTOP_HEIGHT);
disable(IDC_DESKTOP_SIZE);
disable(IDC_DESKTOP_BY);
}
updating_ui = FALSE;
}
static void init_dialog(HWND dialog)
{
char* buf;
convert_x11_desktop_key();
update_gui_for_desktop_mode(dialog);
updating_ui = TRUE;
SendDlgItemMessageW(dialog, IDC_DESKTOP_WIDTH, EM_LIMITTEXT, RES_MAXLEN, 0);
SendDlgItemMessageW(dialog, IDC_DESKTOP_HEIGHT, EM_LIMITTEXT, RES_MAXLEN, 0);
buf = get_reg_key(config_key, keypath("X11 Driver"), "GrabFullscreen", "N");
if (IS_OPTION_TRUE(*buf))
CheckDlgButton(dialog, IDC_FULLSCREEN_GRAB, BST_CHECKED);
else
CheckDlgButton(dialog, IDC_FULLSCREEN_GRAB, BST_UNCHECKED);
HeapFree(GetProcessHeap(), 0, buf);
buf = get_reg_key(config_key, keypath("X11 Driver"), "Managed", "Y");
if (IS_OPTION_TRUE(*buf))
CheckDlgButton(dialog, IDC_ENABLE_MANAGED, BST_CHECKED);
else
CheckDlgButton(dialog, IDC_ENABLE_MANAGED, BST_UNCHECKED);
HeapFree(GetProcessHeap(), 0, buf);
buf = get_reg_key(config_key, keypath("X11 Driver"), "Decorated", "Y");
if (IS_OPTION_TRUE(*buf))
CheckDlgButton(dialog, IDC_ENABLE_DECORATED, BST_CHECKED);
else
CheckDlgButton(dialog, IDC_ENABLE_DECORATED, BST_UNCHECKED);
HeapFree(GetProcessHeap(), 0, buf);
updating_ui = FALSE;
}
static void set_from_desktop_edits(HWND dialog)
{
static const WCHAR x[] = {'x',0};
static const WCHAR def_width[] = {'8','0','0',0};
static const WCHAR def_height[] = {'6','0','0',0};
static const WCHAR min_width[] = {'6','4','0',0};
static const WCHAR min_height[] = {'4','8','0',0};
WCHAR *width, *height, *new;
const WCHAR *desktop_name = current_app ? current_app : defaultW;
if (updating_ui) return;
WINE_TRACE("\n");
width = get_textW(dialog, IDC_DESKTOP_WIDTH);
height = get_textW(dialog, IDC_DESKTOP_HEIGHT);
if (!width || !width[0]) {
HeapFree(GetProcessHeap(), 0, width);
width = strdupW(def_width);
}
else if (atoiW(width) < atoiW(min_width))
{
HeapFree(GetProcessHeap(), 0, width);
width = strdupW(min_width);
}
if (!height || !height[0]) {
HeapFree(GetProcessHeap(), 0, height);
height = strdupW(def_height);
}
else if (atoiW(height) < atoiW(min_height))
{
HeapFree(GetProcessHeap(), 0, height);
height = strdupW(min_height);
}
new = HeapAlloc(GetProcessHeap(), 0, (strlenW(width) + strlenW(height) + 2) * sizeof(WCHAR));
strcpyW( new, width );
strcatW( new, x );
strcatW( new, height );
set_reg_keyW(config_key, explorer_desktopsW, desktop_name, new);
set_reg_keyW(config_key, keypathW(explorerW), desktopW, desktop_name);
HeapFree(GetProcessHeap(), 0, width);
HeapFree(GetProcessHeap(), 0, height);
HeapFree(GetProcessHeap(), 0, new);
}
static void on_enable_desktop_clicked(HWND dialog) {
WINE_TRACE("\n");
if (IsDlgButtonChecked(dialog, IDC_ENABLE_DESKTOP) == BST_CHECKED) {
set_from_desktop_edits(dialog);
} else {
set_reg_key(config_key, keypath("Explorer"), "Desktop", NULL);
}
update_gui_for_desktop_mode(dialog);
}
static void on_enable_managed_clicked(HWND dialog) {
WINE_TRACE("\n");
if (IsDlgButtonChecked(dialog, IDC_ENABLE_MANAGED) == BST_CHECKED) {
set_reg_key(config_key, keypath("X11 Driver"), "Managed", "Y");
} else {
set_reg_key(config_key, keypath("X11 Driver"), "Managed", "N");
}
}
static void on_enable_decorated_clicked(HWND dialog) {
WINE_TRACE("\n");
if (IsDlgButtonChecked(dialog, IDC_ENABLE_DECORATED) == BST_CHECKED) {
set_reg_key(config_key, keypath("X11 Driver"), "Decorated", "Y");
} else {
set_reg_key(config_key, keypath("X11 Driver"), "Decorated", "N");
}
}
static void on_fullscreen_grab_clicked(HWND dialog)
{
if (IsDlgButtonChecked(dialog, IDC_FULLSCREEN_GRAB) == BST_CHECKED)
set_reg_key(config_key, keypath("X11 Driver"), "GrabFullscreen", "Y");
else
set_reg_key(config_key, keypath("X11 Driver"), "GrabFullscreen", "N");
}
static INT read_logpixels_reg(void)
{
DWORD dwLogPixels;
WCHAR *buf = get_reg_keyW(HKEY_CURRENT_USER, logpixels_reg, logpixels, NULL);
if (!buf) buf = get_reg_keyW(HKEY_CURRENT_CONFIG, def_logpixels_reg, logpixels, NULL);
dwLogPixels = buf ? *buf : DEFDPI;
HeapFree(GetProcessHeap(), 0, buf);
return dwLogPixels;
}
static void init_dpi_editbox(HWND hDlg)
{
DWORD dwLogpixels;
updating_ui = TRUE;
dwLogpixels = read_logpixels_reg();
WINE_TRACE("%u\n", dwLogpixels);
SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, dwLogpixels, FALSE);
updating_ui = FALSE;
}
static int get_trackbar_pos( UINT dpi )
{
UINT i;
for (i = 0; i < ARRAY_SIZE(dpi_values) - 1; i++)
if ((dpi_values[i] + dpi_values[i + 1]) / 2 >= dpi) break;
return i;
}
static void init_trackbar(HWND hDlg)
{
HWND hTrackBar = GetDlgItem(hDlg, IDC_RES_TRACKBAR);
DWORD dwLogpixels;
updating_ui = TRUE;
dwLogpixels = read_logpixels_reg();
SendMessageW(hTrackBar, TBM_SETRANGE, TRUE, MAKELONG(0, ARRAY_SIZE(dpi_values)-1));
SendMessageW(hTrackBar, TBM_SETPAGESIZE, 0, 1);
SendMessageW(hTrackBar, TBM_SETPOS, TRUE, get_trackbar_pos(dwLogpixels));
updating_ui = FALSE;
}
static void update_dpi_trackbar_from_edit(HWND hDlg, BOOL fix)
{
DWORD dpi;
updating_ui = TRUE;
dpi = GetDlgItemInt(hDlg, IDC_RES_DPIEDIT, NULL, FALSE);
if (fix)
{
DWORD fixed_dpi = dpi;
if (dpi < MINDPI) fixed_dpi = MINDPI;
if (dpi > MAXDPI) fixed_dpi = MAXDPI;
if (fixed_dpi != dpi)
{
dpi = fixed_dpi;
SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, dpi, FALSE);
}
}
if (dpi >= MINDPI && dpi <= MAXDPI)
{
SendDlgItemMessageW(hDlg, IDC_RES_TRACKBAR, TBM_SETPOS, TRUE, get_trackbar_pos(dpi));
set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, dpi);
}
updating_ui = FALSE;
}
static void update_font_preview(HWND hDlg)
{
DWORD dpi;
updating_ui = TRUE;
dpi = GetDlgItemInt(hDlg, IDC_RES_DPIEDIT, NULL, FALSE);
if (dpi >= MINDPI && dpi <= MAXDPI)
{
static const WCHAR tahomaW[] = {'T','a','h','o','m','a',0};
LOGFONTW lf;
HFONT hfont;
hfont = (HFONT)SendDlgItemMessageW(hDlg, IDC_RES_FONT_PREVIEW, WM_GETFONT, 0, 0);
GetObjectW(hfont, sizeof(lf), &lf);
if (strcmpW(lf.lfFaceName, tahomaW) != 0)
strcpyW(lf.lfFaceName, tahomaW);
else
DeleteObject(hfont);
lf.lfHeight = MulDiv(-10, dpi, 72);
hfont = CreateFontIndirectW(&lf);
SendDlgItemMessageW(hDlg, IDC_RES_FONT_PREVIEW, WM_SETFONT, (WPARAM)hfont, 1);
}
updating_ui = FALSE;
}
INT_PTR CALLBACK
GraphDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg) {
case WM_INITDIALOG:
init_dpi_editbox(hDlg);
init_trackbar(hDlg);
update_font_preview(hDlg);
break;
case WM_SHOWWINDOW:
set_window_title(hDlg);
break;
case WM_TIMER:
if (wParam == IDT_DPIEDIT)
{
KillTimer(hDlg, IDT_DPIEDIT);
update_dpi_trackbar_from_edit(hDlg, TRUE);
update_font_preview(hDlg);
}
break;
case WM_COMMAND:
switch(HIWORD(wParam)) {
case EN_CHANGE: {
if (updating_ui) break;
SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
if ( ((LOWORD(wParam) == IDC_DESKTOP_WIDTH) || (LOWORD(wParam) == IDC_DESKTOP_HEIGHT)) && !updating_ui )
set_from_desktop_edits(hDlg);
else if (LOWORD(wParam) == IDC_RES_DPIEDIT)
{
update_dpi_trackbar_from_edit(hDlg, FALSE);
update_font_preview(hDlg);
SetTimer(hDlg, IDT_DPIEDIT, 1500, NULL);
}
break;
}
case BN_CLICKED: {
if (updating_ui) break;
SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
switch(LOWORD(wParam)) {
case IDC_ENABLE_DESKTOP: on_enable_desktop_clicked(hDlg); break;
case IDC_ENABLE_MANAGED: on_enable_managed_clicked(hDlg); break;
case IDC_ENABLE_DECORATED: on_enable_decorated_clicked(hDlg); break;
case IDC_FULLSCREEN_GRAB: on_fullscreen_grab_clicked(hDlg); break;
}
break;
}
case CBN_SELCHANGE: {
SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
break;
}
default:
break;
}
break;
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code) {
case PSN_KILLACTIVE: {
SetWindowLongPtrW(hDlg, DWLP_MSGRESULT, FALSE);
break;
}
case PSN_APPLY: {
apply();
SetWindowLongPtrW(hDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
break;
}
case PSN_SETACTIVE: {
init_dialog (hDlg);
break;
}
}
break;
case WM_HSCROLL:
switch (wParam) {
default: {
int i = SendMessageW(GetDlgItem(hDlg, IDC_RES_TRACKBAR), TBM_GETPOS, 0, 0);
SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, dpi_values[i], TRUE);
update_font_preview(hDlg);
set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, dpi_values[i]);
break;
}
}
break;
default:
break;
}
return FALSE;
}
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