From 52c41ff5afbc3476aed32da3e088e71b2ee3ca39 Mon Sep 17 00:00:00 2001
From: kamel5 <vdr.kamel5 (at) gmx (dot) net>
Date: Sat, 25 Jul 2020 13:35:03 +0200
Subject: [PATCH] Fixed display groupname in cChannelGroupGrid::DrawHorizontal

---
 channelgroup.c | 15 +++++++--------
 tools.c        |  3 +--
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/channelgroup.c b/channelgroup.c
index 99420d6..de143a2 100644
--- a/channelgroup.c
+++ b/channelgroup.c
@@ -68,29 +68,28 @@ void cChannelGroupGrid::Draw(void) {
 
 void cChannelGroupGrid::DrawVertical(tColor colorText, tColor colorTextBack) {
     int textY = (Height() - fontManager.FontChannelGroups->Height()) / 2;
-    cString text = CutText(name, Width() - 4, fontManager.FontChannelGroups).c_str();
+    cString text = cString::sprintf("%s", CutText(name, Width() - 4, fontManager.FontChannelGroups).c_str());
     int textWidth = fontManager.FontChannelGroups->Width(*text);
     int x = (Width() - textWidth) / 2;
     pixmap->DrawText(cPoint(x, textY), *text, colorText, colorTextBack, fontManager.FontChannelGroups);
 }
 
 void cChannelGroupGrid::DrawHorizontal(tColor colorText, tColor colorTextBack) {
-    std::string nameUpper = name;
-    std::transform(nameUpper.begin(), nameUpper.end(),nameUpper.begin(), ::toupper);
-    int numChars = nameUpper.length();
+    std::string groupName = name;
+    int numChars = groupName.length();
     int charHeight = fontManager.FontChannelGroupsHorizontal->Height();
     int textHeight = numChars * charHeight;
     int y = 5;
-    if ((textHeight +5) < Height()) {
+    if ((textHeight + 5) < Height()) {
         y = (Height() - textHeight) / 2;
     }
-    for (int i=0; i < numChars; i++) {
-        if (((y + 2*charHeight) > Height()) && ((i+1)<numChars)) {
+    for (int i = 0; i < numChars; i++) {
+        if (((y + 2 * charHeight) > Height()) && ((i + 1) < numChars)) {
             int x = (Width() - fontManager.FontChannelGroupsHorizontal->Width("...")) / 2;
             pixmap->DrawText(cPoint(x, y), "...", colorText, colorTextBack, fontManager.FontChannelGroupsHorizontal);
             break;
         }
-        cString currentChar = cString::sprintf("%c", nameUpper.at(i));
+        cString currentChar = cString::sprintf("%s", utf8_substr(groupName.c_str(), i, 1).c_str());
         int x = (Width() - fontManager.FontChannelGroupsHorizontal->Width(*currentChar)) / 2;
         pixmap->DrawText(cPoint(x, y), *currentChar, colorText, colorTextBack, fontManager.FontChannelGroupsHorizontal);
         y += fontManager.FontChannelGroupsHorizontal->Height();
diff --git a/tools.c b/tools.c
index 866929b..63b4d01 100644
--- a/tools.c
+++ b/tools.c
@@ -10,7 +10,6 @@
 #include <vdr/plugin.h>
 #include <vdr/skins.h>
 #include "services/epgsearch.h"
-
 #include "tools.h"
 
 cPlugin *GetScraperPlugin(void) {
@@ -42,7 +41,7 @@ std::string utf8_substr(const std::string& str, unsigned int start, long unsigne
     }
     if (q<=start+leng || leng==std::string::npos){ max=i; }
     if (min==std::string::npos || max==std::string::npos) { return ""; }
-    return str.substr(min,max);
+    return str.substr(min,max-min);
 }
 
 std::string CutText(std::string text, int width, const cFont *font) {