Commit 7d7eee09 authored by Alexandre Julliard's avatar Alexandre Julliard

winecfg: Constrain DPI values to the commonly supported ones.

parent 4ece6abd
......@@ -38,6 +38,8 @@
#define IS_OPTION_FALSE(ch) \
((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
extern WCHAR* current_app; /* NULL means editing global settings */
/* Use get_reg_key and set_reg_key to alter registry settings. The changes made through
......
......@@ -53,6 +53,7 @@ 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;
......@@ -258,6 +259,15 @@ static void init_dpi_editbox(HWND hDlg)
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);
......@@ -267,8 +277,9 @@ static void init_trackbar(HWND hDlg)
dwLogpixels = read_logpixels_reg();
SendMessageW(hTrackBar, TBM_SETRANGE, TRUE, MAKELONG(MINDPI, MAXDPI));
SendMessageW(hTrackBar, TBM_SETPOS, TRUE, dwLogpixels);
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;
}
......@@ -297,7 +308,7 @@ static void update_dpi_trackbar_from_edit(HWND hDlg, BOOL fix)
if (dpi >= MINDPI && dpi <= MAXDPI)
{
SendDlgItemMessageW(hDlg, IDC_RES_TRACKBAR, TBM_SETPOS, TRUE, dpi);
SendDlgItemMessageW(hDlg, IDC_RES_TRACKBAR, TBM_SETPOS, TRUE, get_trackbar_pos(dpi));
set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, dpi);
}
......@@ -416,9 +427,9 @@ GraphDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
switch (wParam) {
default: {
int i = SendMessageW(GetDlgItem(hDlg, IDC_RES_TRACKBAR), TBM_GETPOS, 0, 0);
SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, i, TRUE);
SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, dpi_values[i], TRUE);
update_font_preview(hDlg);
set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, i);
set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, dpi_values[i]);
break;
}
}
......
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