From fdb6b3f41b0fc45ffc2b31454807b32dd5b5bbf6 Mon Sep 17 00:00:00 2001 From: fluxgen Date: Sun, 20 Jan 2002 02:09:40 +0000 Subject: Added GrabGuard class --- src/BaseDisplay.hh | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/src/BaseDisplay.hh b/src/BaseDisplay.hh index 8513699..3165aae 100644 --- a/src/BaseDisplay.hh +++ b/src/BaseDisplay.hh @@ -22,7 +22,7 @@ // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. -// $Id: BaseDisplay.hh,v 1.6 2002/01/10 12:52:51 fluxgen Exp $ +// $Id: BaseDisplay.hh,v 1.7 2002/01/20 02:09:40 fluxgen Exp $ #ifndef _BASEDISPLAY_HH_ #define _BASEDISPLAY_HH_ @@ -31,11 +31,11 @@ #include // forward declaration -class BaseDisplay; class ScreenInfo; #include "LinkedList.hh" #include "Timer.hh" +#include "NotCopyable.hh" #define PropBlackboxHintsElements (5) @@ -45,6 +45,7 @@ class ScreenInfo; void bexec(const char *, char *); #endif // !__EMX__ + template inline Z min(Z a, Z b) { return ((a < b) ? a : b); } template inline Z max(Z a, Z b) { return ((a > b) ? a : b); } @@ -256,7 +257,18 @@ public: // another pure virtual... this is used to handle signals that BaseDisplay // doesn't understand itself virtual Bool handleSignal(int) = 0; - + + class GrabGuard:private NotCopyable + { + public: + GrabGuard(BaseDisplay &bd):m_bd(bd) { } + ~GrabGuard() { m_bd.ungrab(); } + inline void grab() { m_bd.grab(); } + inline void ungrab() { m_bd.ungrab(); } + private: + BaseDisplay &m_bd; + }; + private: struct cursor { Cursor session, move, ll_angle, lr_angle; -- cgit v0.11.2