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winecfg: Constrain DPI values to the commonly supported ones. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-05-15 12:37:28 +02:00
parent 4ece6abdb5
commit 7d7eee09b5
2 changed files with 18 additions and 5 deletions
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2
programs/winecfg/winecfg.h
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@ -38,6 +38,8 @@
#define IS_OPTION_FALSE(ch) \ #define IS_OPTION_FALSE(ch) \
((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0') ((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 */ 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 /* Use get_reg_key and set_reg_key to alter registry settings. The changes made through

21
programs/winecfg/x11drvdlg.c
View File

@ -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','\\', static const WCHAR explorer_desktopsW[] = {'E','x','p','l','o','r','e','r','\\',
'D','e','s','k','t','o','p','s',0}; '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; static BOOL updating_ui;
@ -258,6 +259,15 @@ static void init_dpi_editbox(HWND hDlg)
updating_ui = 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) static void init_trackbar(HWND hDlg)
{ {
HWND hTrackBar = GetDlgItem(hDlg, IDC_RES_TRACKBAR); HWND hTrackBar = GetDlgItem(hDlg, IDC_RES_TRACKBAR);
@ -267,8 +277,9 @@ static void init_trackbar(HWND hDlg)
dwLogpixels = read_logpixels_reg(); dwLogpixels = read_logpixels_reg();
SendMessageW(hTrackBar, TBM_SETRANGE, TRUE, MAKELONG(MINDPI, MAXDPI)); SendMessageW(hTrackBar, TBM_SETRANGE, TRUE, MAKELONG(0, ARRAY_SIZE(dpi_values)-1));
SendMessageW(hTrackBar, TBM_SETPOS, TRUE, dwLogpixels); SendMessageW(hTrackBar, TBM_SETPAGESIZE, 0, 1);
SendMessageW(hTrackBar, TBM_SETPOS, TRUE, get_trackbar_pos(dwLogpixels));
updating_ui = FALSE; updating_ui = FALSE;
} }
@ -297,7 +308,7 @@ static void update_dpi_trackbar_from_edit(HWND hDlg, BOOL fix)
if (dpi >= MINDPI && dpi <= MAXDPI) 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); 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) { switch (wParam) {
default: { default: {
int i = SendMessageW(GetDlgItem(hDlg, IDC_RES_TRACKBAR), TBM_GETPOS, 0, 0); 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); 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; break;
} }
} }