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winecfg: Constrain DPI values to the commonly supported ones.
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -38,6 +38,8 @@
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#define IS_OPTION_FALSE(ch) \
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((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
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#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
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extern WCHAR* current_app; /* NULL means editing global settings */
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/* Use get_reg_key and set_reg_key to alter registry settings. The changes made through
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@ -53,6 +53,7 @@ static const WCHAR explorerW[] = {'E','x','p','l','o','r','e','r',0};
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static const WCHAR explorer_desktopsW[] = {'E','x','p','l','o','r','e','r','\\',
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'D','e','s','k','t','o','p','s',0};
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static const UINT dpi_values[] = { 96, 120, 144, 168, 192, 216, 240, 288, 336, 384, 432, 480 };
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static BOOL updating_ui;
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@ -258,6 +259,15 @@ static void init_dpi_editbox(HWND hDlg)
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updating_ui = FALSE;
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}
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static int get_trackbar_pos( UINT dpi )
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{
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UINT i;
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for (i = 0; i < ARRAY_SIZE(dpi_values) - 1; i++)
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if ((dpi_values[i] + dpi_values[i + 1]) / 2 >= dpi) break;
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return i;
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}
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static void init_trackbar(HWND hDlg)
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{
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HWND hTrackBar = GetDlgItem(hDlg, IDC_RES_TRACKBAR);
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@ -267,8 +277,9 @@ static void init_trackbar(HWND hDlg)
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dwLogpixels = read_logpixels_reg();
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SendMessageW(hTrackBar, TBM_SETRANGE, TRUE, MAKELONG(MINDPI, MAXDPI));
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SendMessageW(hTrackBar, TBM_SETPOS, TRUE, dwLogpixels);
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SendMessageW(hTrackBar, TBM_SETRANGE, TRUE, MAKELONG(0, ARRAY_SIZE(dpi_values)-1));
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SendMessageW(hTrackBar, TBM_SETPAGESIZE, 0, 1);
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SendMessageW(hTrackBar, TBM_SETPOS, TRUE, get_trackbar_pos(dwLogpixels));
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updating_ui = FALSE;
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}
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@ -297,7 +308,7 @@ static void update_dpi_trackbar_from_edit(HWND hDlg, BOOL fix)
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if (dpi >= MINDPI && dpi <= MAXDPI)
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{
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SendDlgItemMessageW(hDlg, IDC_RES_TRACKBAR, TBM_SETPOS, TRUE, dpi);
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SendDlgItemMessageW(hDlg, IDC_RES_TRACKBAR, TBM_SETPOS, TRUE, get_trackbar_pos(dpi));
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set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, dpi);
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}
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@ -416,9 +427,9 @@ GraphDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
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switch (wParam) {
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default: {
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int i = SendMessageW(GetDlgItem(hDlg, IDC_RES_TRACKBAR), TBM_GETPOS, 0, 0);
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SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, i, TRUE);
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SetDlgItemInt(hDlg, IDC_RES_DPIEDIT, dpi_values[i], TRUE);
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update_font_preview(hDlg);
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set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, i);
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set_reg_key_dwordW(HKEY_CURRENT_USER, logpixels_reg, logpixels, dpi_values[i]);
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break;
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}
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}
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