From 4e8d728814a7875d2299f3fea1fd8adf2d1096a8 Mon Sep 17 00:00:00 2001
From: Kim Woelders <kim@woelders.dk>
Date: Wed, 10 Aug 2005 15:31:48 +0000
Subject: [PATCH] Speed up pseudotrans changes.

SVN revision: 16094
---
 src/ewins.c     | 34 ++++++++++++++++------------------
 src/iclass.c    | 20 ++++++++++++++++++--
 src/mod-trans.c | 22 +++++++++++++++++-----
 3 files changed, 51 insertions(+), 25 deletions(-)

diff --git a/src/ewins.c b/src/ewins.c
index 70fa0473..cc92a8bc 100644
--- a/src/ewins.c
+++ b/src/ewins.c
@@ -1599,17 +1599,25 @@ EwinsEventsConfigure(int mode)
 }
 
 static void
-EwinsTouch(void)
+EwinsTouch(int desk)
 {
    int                 i, num;
    EWin               *const *lst, *ewin;
 
-   lst = EwinListStackGet(&num);
+   if (desk < 0)
+      lst = EwinListGetAll(&num);
+   else
+      lst = EwinListGetForDesk(&num, desk);
+
    for (i = num - 1; i >= 0; i--)
      {
 	ewin = lst[i];
-	if (EwinIsMapped(ewin))
+	if (EwinIsMapped(ewin) && EwinIsOnScreen(ewin))
+#if 1				/* FIXME - Which one? */
 	   EwinMove(ewin, EoGetX(ewin), EoGetY(ewin));
+#else
+	   EwinResize(ewin, ewin->client.w, ewin->client.h);
+#endif
      }
 }
 
@@ -1872,12 +1880,8 @@ EwinsInit(void)
  */
 
 static void
-EwinsSighan(int sig, void *prm __UNUSED__)
+EwinsSighan(int sig, void *prm)
 {
-   EWin               *ewin;
-   EWin              **ewin_lst;
-   int                 win_cnt, i;
-
    switch (sig)
      {
      case ESIGNAL_INIT:
@@ -1894,19 +1898,13 @@ EwinsSighan(int sig, void *prm __UNUSED__)
 	break;
 #endif
      case ESIGNAL_DESK_RESIZE:
-	EwinsTouch();
+	EwinsTouch(-1);
 	break;
      case ESIGNAL_THEME_TRANS_CHANGE:
+	EwinsTouch(DesksGetCurrent());
+	break;
      case ESIGNAL_BACKGROUND_CHANGE:
-	/* FIXME - Only visible windows */
-	/* FIXME - BG: Only affected desk */
-	ewin_lst = (EWin **) EwinListStackGet(&win_cnt);
-	for (i = 0; i < win_cnt; i++)
-	  {
-	     ewin = ewin_lst[i];
-	     if (EwinIsMapped(ewin))
-		EwinResize(ewin, ewin->client.w, ewin->client.h);
-	  }
+	EwinsTouch((long)prm);
 	break;
      }
 }
diff --git a/src/iclass.c b/src/iclass.c
index 414aec97..d04f87cd 100644
--- a/src/iclass.c
+++ b/src/iclass.c
@@ -91,10 +91,26 @@ TransparencySet(int transparency)
 	prev_alpha = Conf.trans.alpha;
 	Conf.trans.alpha = transparency;
      }
+
+   if (!changed)
+      return;
+
    /* Generate the color modifier tables */
    TransparencyMakeColorModifier();
-   if (changed)
-      ModulesSignal(ESIGNAL_THEME_TRANS_CHANGE, NULL);
+
+   if (prev_alpha == 0)
+     {
+	/* Hack to get tiled backgrounds regenerated at full size */
+	int                 i, num;
+
+	num = DesksGetNumber();
+	for (i = 0; i < num; i++)
+	  {
+	     BackgroundPixmapFree(DeskGetBackground(i));
+	     DeskRefresh(i);
+	  }
+     }
+   ModulesSignal(ESIGNAL_THEME_TRANS_CHANGE, NULL);
 }
 
 #endif /* ENABLE_THEME_TRANSPARENCY */
diff --git a/src/mod-trans.c b/src/mod-trans.c
index 3568a86a..948ca773 100644
--- a/src/mod-trans.c
+++ b/src/mod-trans.c
@@ -39,6 +39,19 @@ static int          tmp_st_menu;
 static int          tmp_st_tooltip;
 static int          tmp_st_hilight;
 
+static void
+TransparencyChangeTimeout(int val, void *data __UNUSED__)
+{
+   TransparencySet(val);
+}
+
+static void
+TransparencyChange(int val)
+{
+   RemoveTimerEvent("PT-Change");
+   DoIn("PT-Change", .01, TransparencyChangeTimeout, val, NULL);
+}
+
 static void
 CB_ConfigureTrans(Dialog * d __UNUSED__, int val, void *data __UNUSED__)
 {
@@ -72,8 +85,9 @@ CB_ConfigureTrans(Dialog * d __UNUSED__, int val, void *data __UNUSED__)
 	Conf.trans.pager = ICLASS_ATTR_BG;
 	Conf.trans.iconbox = ICLASS_ATTR_BG;
 	Conf.trans.warplist = ICLASS_ATTR_BG;
-
-	TransparencySet(tmp_theme_transparency);
+#if 0				/* Should not be necessary */
+	TransparencyChange(tmp_theme_transparency);
+#endif
      }
    autosave();
 }
@@ -88,10 +102,8 @@ CB_ThemeTransparency(Dialog * d __UNUSED__, int val __UNUSED__, void *data)
    Esnprintf(s, sizeof(s), _("Theme transparency: %2d"),
 	     tmp_theme_transparency);
    DialogItemSetText(di, s);
-   DialogDrawItems(tr_sel_dialog, di, 0, 0, 99999, 99999);
 
-   /* FIXME - We may not want to do this unless things are speeded up */
-   TransparencySet(tmp_theme_transparency);
+   TransparencyChange(tmp_theme_transparency);
 }
 
 static void