Add RangeTraits class which automatically clamps the value of resources

and start using it.

6 files changed, 61 insertions, 36 deletions

diff --git a/src/FbTk/ResTraits.hh b/src/FbTk/ResTraits.hh
index 19decb5..e1c3871 100644
--- a/src/FbTk/ResTraits.hh
+++ b/src/FbTk/ResTraits.hh
@@ -28,6 +28,7 @@
 #include "FbString.hh"
 #include "Luamm.hh"
 #include "StringUtil.hh"
+#include "Util.hh"
 
 namespace FbTk {
 
@@ -226,6 +227,41 @@ private:
     std::string m_delim;
 };
 
+template<typename Traits>
+class RangeTraits: private Traits {
+public:
+    typedef typename Traits::Type Type;
+
+    RangeTraits(const Type &min, const Type &max, const Traits &traits = Traits())
+        : Traits(traits), m_min(min), m_max(max)
+    { assert(m_min <= m_max); }
+
+    std::string toString(const Type &x) const {
+        assert(x >= m_min);
+        assert(x <= m_max);
+
+        return Traits::toString(x);
+    }
+
+    void toLua(const Type &x, lua::state &l) const {
+        assert(x >= m_min);
+        assert(x <= m_max);
+
+        Traits::toLua(x, l);
+    }
+
+    Type fromString(const std::string &x) const {
+        return FbTk::Util::clamp(Traits::fromString(x), m_min, m_max);
+    }
+
+    Type fromLua(lua::state &l) const {
+        return FbTk::Util::clamp(Traits::fromLua(l), m_min, m_max);
+    }
+
+private:
+    Type m_min, m_max;
+};
+
 } // end namespace FbTk
 
 #endif // FBTK_RESTRAITS_HH
diff --git a/src/FbTk/Resource.hh b/src/FbTk/Resource.hh
index c6f12d6..37a7ed3 100644
--- a/src/FbTk/Resource.hh
+++ b/src/FbTk/Resource.hh
@@ -281,6 +281,9 @@ typedef Resource<int, IntTraits<int> > IntResource;
 typedef Resource<unsigned int, IntTraits<unsigned int> > UIntResource;
 typedef Resource<std::string, StringTraits> StringResource;
 
+typedef RangeTraits<IntTraits<int> > RangedIntTraits;
+typedef Resource<int, RangedIntTraits> RangedIntResource;
+
 } // end namespace FbTk
 
 #endif // FBTK_RESOURCE_HH
diff --git a/src/Screen.cc b/src/Screen.cc
index cf7f438..15fab9d 100644
--- a/src/Screen.cc
+++ b/src/Screen.cc
@@ -206,11 +206,6 @@ private:
     FbWinFrame::TabPlacement m_place;
 };
 
-void clampMenuDelay(int& delay) {
-    delay = FbTk::Util::clamp(delay, 0, 5000);
-}
-
-
 struct TabPlacementString {
     FbWinFrame::TabPlacement placement;
     const char* str;
@@ -282,7 +277,7 @@ BScreen::ScreenResource::ScreenResource(FbTk::ResourceManager_base &rm,
     focused_alpha(rm, 255, scrname+".window.focus.alpha"),
     unfocused_alpha(rm, 255, scrname+".window.unfocus.alpha"),
     menu_alpha(rm, 255, scrname+".menu.alpha"),
-    menu_delay(rm, 200, scrname + ".menuDelay"),
+    menu_delay(rm, 200, scrname + ".menuDelay", FbTk::RangedIntTraits(0, 5000)),
     tab_width(rm, 64, scrname + ".tab.width"),
     tooltip_delay(rm, 500, scrname + ".tooltipDelay"),
     allow_remote_actions(rm, false, scrname+".allowRemoteActions"),
@@ -429,8 +424,6 @@ BScreen::BScreen(FbTk::ResourceManager_base &rm,
     unfocusedWinFrameTheme()->setAlpha(*resource.unfocused_alpha);
     m_menutheme->setAlpha(*resource.menu_alpha);
 
-    clampMenuDelay(*resource.menu_delay);
-
     m_menutheme->setDelay(*resource.menu_delay);
 
     m_tracker.join(focusedWinFrameTheme()->reconfigSig(),
@@ -841,8 +834,6 @@ void BScreen::reconfigure() {
     unfocusedWinFrameTheme()->setAlpha(*resource.unfocused_alpha);
     m_menutheme->setAlpha(*resource.menu_alpha);
 
-    clampMenuDelay(*resource.menu_delay);
-
     m_menutheme->setDelay(*resource.menu_delay);
 
     // realize the number of workspaces from the init-file
@@ -1710,11 +1701,10 @@ void BScreen::setupConfigmenu(FbTk::Menu &menu) {
         FbTk::RefCount<FbTk::Menu> alpha_menu( createMenu(alphamenu_label) );
 
         if (FbTk::Transparent::haveComposite(true)) {
-            static FbTk::SimpleAccessor<bool> s_pseudo(Fluxbox::instance()->getPseudoTrans());
             alpha_menu->insert(new FbTk::BoolMenuItem(_FB_XTEXT(Configmenu, ForcePseudoTrans,
                                "Force Pseudo-Transparency",
                                "When composite is available, still use old pseudo-transparency"),
-                    s_pseudo, save_and_reconfigure));
+                    Fluxbox::instance()->getPseudoTransResource(), save_and_reconfigure));
         }
 
         // in order to save system resources, don't save or reconfigure alpha
diff --git a/src/Screen.hh b/src/Screen.hh
index db357d1..1057229 100644
--- a/src/Screen.hh
+++ b/src/Screen.hh
@@ -537,8 +537,9 @@ private:
         FbTk::StringResource windowmenufile;
         FbTk::UIntResource typing_delay;
         FbTk::IntResource workspaces, edge_snap_threshold, focused_alpha,
-            unfocused_alpha, menu_alpha, menu_delay,
-            tab_width, tooltip_delay;
+            unfocused_alpha, menu_alpha;
+        FbTk::RangedIntResource menu_delay;
+        FbTk::IntResource  tab_width, tooltip_delay;
         FbTk::BoolResource allow_remote_actions;
         FbTk::BoolResource clientmenu_use_pixmap;
         FbTk::BoolResource tabs_use_pixmap;
diff --git a/src/fluxbox.cc b/src/fluxbox.cc
index 1dfcab8..37eb0e1 100644
--- a/src/fluxbox.cc
+++ b/src/fluxbox.cc
@@ -242,21 +242,20 @@ Fluxbox::Fluxbox(int argc, char **argv,
       m_resourcemanager("session", *m_l),
 
       m_RC_PATH(rc_path),
-      m_rc_ignoreborder(m_resourcemanager, false, "ignoreBorder", "IgnoreBorder"),
-      m_rc_pseudotrans(m_resourcemanager, false, "forcePseudoTransparency", "forcePseudoTransparency"),
-      m_rc_colors_per_channel(m_resourcemanager, 4,
-                              "colorsPerChannel", "ColorsPerChannel"),
-      m_rc_double_click_interval(m_resourcemanager, 250, "doubleClickInterval", "DoubleClickInterval"),
-      m_rc_tabs_padding(m_resourcemanager, 0, "tabPadding", "TabPadding"),
-      m_rc_stylefile(m_resourcemanager, DEFAULTSTYLE, "styleFile", "StyleFile"),
-      m_rc_styleoverlayfile(m_resourcemanager, m_RC_PATH + "/overlay", "styleOverlay", "StyleOverlay"),
-      m_rc_menufile(m_resourcemanager, m_RC_PATH + "/menu2", "menuFile", "MenuFile"),
-      m_rc_keyfile(m_resourcemanager, m_RC_PATH + "/keys", "keyFile", "KeyFile"),
-      m_rc_appsfile(m_resourcemanager, m_RC_PATH + "/apps", "appsFile", "AppsFile"),
-      m_rc_tabs_attach_area(m_resourcemanager, ATTACH_AREA_WINDOW, "tabsAttachArea", "TabsAttachArea"),
-      m_rc_cache_life(m_resourcemanager, 5, "cacheLife", "CacheLife"),
-      m_rc_cache_max(m_resourcemanager, 200, "cacheMax", "CacheMax"),
-      m_rc_auto_raise_delay(m_resourcemanager, 250, "autoRaiseDelay", "AutoRaiseDelay"),
+      m_rc_ignoreborder(m_resourcemanager, false, "ignoreBorder"),
+      m_rc_pseudotrans(m_resourcemanager, false, "forcePseudoTransparency"),
+      m_rc_colors_per_channel(m_resourcemanager, 4, "colorsPerChannel", RangedIntTraits(2, 6)),
+      m_rc_double_click_interval(m_resourcemanager, 250, "doubleClickInterval"),
+      m_rc_tabs_padding(m_resourcemanager, 0, "tabPadding"),
+      m_rc_stylefile(m_resourcemanager, DEFAULTSTYLE, "styleFile"),
+      m_rc_styleoverlayfile(m_resourcemanager, m_RC_PATH + "/overlay", "styleOverlay"),
+      m_rc_menufile(m_resourcemanager, m_RC_PATH + "/menu2", "menuFile"),
+      m_rc_keyfile(m_resourcemanager, m_RC_PATH + "/keys", "keyFile"),
+      m_rc_appsfile(m_resourcemanager, m_RC_PATH + "/apps", "appsFile"),
+      m_rc_tabs_attach_area(m_resourcemanager, ATTACH_AREA_WINDOW, "tabsAttachArea"),
+      m_rc_cache_life(m_resourcemanager, 5, "cacheLife"),
+      m_rc_cache_max(m_resourcemanager, 200, "cacheMax"),
+      m_rc_auto_raise_delay(m_resourcemanager, 250, "autoRaiseDelay"),
       m_masked_window(0),
       m_mousescreen(0),
       m_keyscreen(0),
@@ -1184,10 +1183,6 @@ void Fluxbox::load_rc() {
     if (m_rc_menufile->empty())
         m_rc_menufile.setDefaultValue();
 
-    FbTk::Transparent::usePseudoTransparent(*m_rc_pseudotrans);
-
-    *m_rc_colors_per_channel = FbTk::Util::clamp(*m_rc_colors_per_channel, 2, 6);
-
     if (m_rc_stylefile->empty())
         *m_rc_stylefile = DEFAULTSTYLE;
 }
diff --git a/src/fluxbox.hh b/src/fluxbox.hh
index d6e9281..47ab834 100644
--- a/src/fluxbox.hh
+++ b/src/fluxbox.hh
@@ -114,7 +114,7 @@ public:
 
 
     bool getIgnoreBorder() const { return *m_rc_ignoreborder; }
-    bool &getPseudoTrans() { return *m_rc_pseudotrans; }
+    FbTk::BoolResource &getPseudoTransResource() { return m_rc_pseudotrans; }
 
     Fluxbox::TabsAttachArea getTabsAttachArea() const { return *m_rc_tabs_attach_area; }
     const std::string &getStyleFilename() const { return *m_rc_stylefile; }
@@ -237,8 +237,8 @@ private:
 
     FbTk::BoolResource m_rc_ignoreborder;
     FbTk::BoolResource m_rc_pseudotrans;
-    FbTk::IntResource m_rc_colors_per_channel,
-        m_rc_double_click_interval,
+    FbTk::RangedIntResource m_rc_colors_per_channel;
+    FbTk::IntResource m_rc_double_click_interval,
         m_rc_tabs_padding;
     FbTk::StringResource m_rc_stylefile,
         m_rc_styleoverlayfile,