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[MAGNIFY] Minor fixes for zoom handling.

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- Zoom factor is unsigned.
- It is comprised between 1 and 9, other values are invalid.
- Check for value validity when reading the zoom string from the combo-list.
This commit is contained in:
Hermès Bélusca-Maïto 2019-06-15 18:33:28 +02:00
parent 9ade0e7b04
commit 4e91b6d5db
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GPG key ID: 3B2539C65E7B93D0
3 changed files with 22 additions and 17 deletions
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22
base/applications/magnify/settings.c
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@ -12,7 +12,7 @@
#include <tchar.h>
#include <winreg.h>
int iZoom = 3;
UINT uiZoom = 3;
BOOL bShowWarning = TRUE;
@ -50,38 +50,38 @@ void LoadSettings()
}
}
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryMagLevel"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
{
if (value >= 0 && value <= 9)
iZoom = value;
uiZoom = value;
}
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("ShowWarning"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bShowWarning = (value == 0 ? FALSE : TRUE);
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryInvertColors"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bInvertColors = (value == 0 ? FALSE : TRUE);
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryStartMinimized"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bStartMinimized = (value == 0 ? FALSE : TRUE);
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryTrackCursor"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bFollowMouse = (value == 0 ? FALSE : TRUE);
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryTrackFocus"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bFollowFocus = (value == 0 ? FALSE : TRUE);
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryTrackSecondaryFocus"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bFollowFocus = (value == 0 ? FALSE : TRUE);
len = 4;
len = sizeof(value);
if (RegQueryValueEx(hkey, _T("StationaryTrackText"), 0, 0, (BYTE *)&value, &len) == ERROR_SUCCESS)
bFollowCaret = (value == 0 ? FALSE : TRUE);
@ -98,7 +98,7 @@ void SaveSettings()
{
RegSetValueEx(hkey, _T("AppBar"), 0, REG_BINARY, (BYTE *)&AppBarConfig, sizeof(AppBarConfig));
value = iZoom;
value = uiZoom;
RegSetValueEx(hkey, _T("StationaryMagLevel"), 0, REG_DWORD, (BYTE *)&value, sizeof(value));
value = bShowWarning;