From c6fa1febba224ac1852ab6257540ec7c7147b2f4 Mon Sep 17 00:00:00 2001
From: Nick Treleaven <nick.treleaven@btinternet.com>
Date: Thu, 3 Aug 2006 13:27:30 +0000
Subject: [PATCH] Wrap calltip and prevent it obscuring the current line

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@666 ea778897-0a13-0410-b9d1-a72fbfd435f5
---
 ChangeLog    |  6 ++++++
 src/sci_cb.c |  5 ++++-
 src/utils.c  | 22 ++++++++++++++++++++++
 src/utils.h  |  4 ++++
 4 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 2b3dff856..36e1599e0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-08-03  Nick Treleaven  <nick.treleaven@btinternet.com>
+
+ * src/utils.c, src/utils.h, src/sci_cb.c:
+   Wrap calltip and prevent it obscuring the current line.
+
+
 2006-08-02  Enrico Tröger  <enrico.troeger@uvena.de>
 
  * src/callbacks.c:
diff --git a/src/sci_cb.c b/src/sci_cb.c
index cfe4be773..ddb455de2 100644
--- a/src/sci_cb.c
+++ b/src/sci_cb.c
@@ -351,6 +351,7 @@ void sci_cb_close_block(ScintillaObject *sci, gint pos)
 
 gboolean sci_cb_show_calltip(ScintillaObject *sci, gint pos, gint idx)
 {
+	gint orig_pos = pos; //the position for the calltip
 	gint lexer;
 	gint style;
 	gchar word[GEANY_MAX_WORD_LENGTH];
@@ -368,6 +369,7 @@ gboolean sci_cb_show_calltip(ScintillaObject *sci, gint pos, gint idx)
 		gchar c;
 		// position of '(' is unknown, so go backwards to find it
 		pos = SSM(sci, SCI_GETCURRENTPOS, 0, 0);
+		orig_pos = pos;
 		// I'm not sure if utils_is_opening_brace() is a good idea, but it is the simplest way,
 		// but we need something more intelligent than only check for '(' because e.g. LaTeX
 		// uses {, [ or (
@@ -397,7 +399,8 @@ gboolean sci_cb_show_calltip(ScintillaObject *sci, gint pos, gint idx)
 		else
 			calltip = g_strconcat(tag->name, " ", tag->atts.entry.arglist, NULL);
 
-		SSM(sci, SCI_CALLTIPSHOW, pos, (sptr_t) calltip);
+		utils_wrap_string(calltip, -1);
+		SSM(sci, SCI_CALLTIPSHOW, orig_pos, (sptr_t) calltip);
 		g_free(calltip);
 	}
 
diff --git a/src/utils.c b/src/utils.c
index 96492cd9e..d62a732c4 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -2532,3 +2532,25 @@ void utils_document_show_hide(gint idx)
 	app->ignore_callback = FALSE;
 
 }
+
+
+/* Wraps a string in place, replacing a space with a newline character.
+ * wrapstart is the minimum position to start wrapping or -1 for default */
+gboolean utils_wrap_string(gchar *string, gint wrapstart)
+{
+	gchar *pos, *linestart;
+	gboolean ret = FALSE;
+
+	if (wrapstart < 0) wrapstart = 80;
+
+	for (pos = linestart = string; *pos != '\0'; pos++)
+	{
+		if (pos - linestart >= wrapstart && *pos == ' ')
+		{
+			*pos = '\n';
+			linestart = pos;
+			ret = TRUE;
+		}
+	}
+	return ret;
+}
diff --git a/src/utils.h b/src/utils.h
index 8c04957e6..c180c3119 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -227,4 +227,8 @@ gboolean utils_is_unicode_charset(const gchar *string);
 
 void utils_document_show_hide(gint idx);
 
+/* Wraps a string in place, replacing a space with a newline character.
+ * wrapstart is the minimum position to start wrapping or -1 for default */
+gboolean utils_wrap_string(gchar *string, gint wrapstart);
+
 #endif