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CInfoViewer: add member killInfobarText()

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Ensure that no unnecessary instance of Components infobox is generated
and paint only changed text.
This commit is contained in:
Thilo Graf
2013-04-26 16:48:45 +02:00
parent dfc6e2069e
commit 54d0f8b42b
2 changed files with 22 additions and 11 deletions
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28
src/gui/infoviewer.cpp
View File

@@ -1811,6 +1811,17 @@ void CInfoViewer::show_Data (bool calledFromEvent)
#endif
}
void CInfoViewer::killInfobarText()
{
if (infobar_txt){
if (infobar_txt->isPainted())
infobar_txt->hide();
delete infobar_txt;
}
infobar_txt = NULL;
}
void CInfoViewer::showInfoFile()
{
//read textcontent from this file
@@ -1818,16 +1829,11 @@ void CInfoViewer::showInfoFile()
//exit if file not found, don't create an info object, delete old instance if required
if (!file_size(infobar_file.c_str())) {
if (infobar_txt){
if (infobar_txt->isPainted())
infobar_txt->hide();
delete infobar_txt;
}
infobar_txt = NULL;
killInfobarText();
return;
}
//get position of info area
//set position of info area
const int oOffset = 140; // outer left/right offset
const int pb_w = 112; // same value as int pb_w in display_Info()
const int xStart = BoxStartX + ChanWidth + oOffset;
@@ -1841,8 +1847,7 @@ void CInfoViewer::showInfoFile()
//get text from file and set it to info object, exit and delete object if failed
if (!infobar_txt->setTextFromFile(infobar_file, CTextBox::CENTER, g_Font[SNeutrinoSettings::FONT_TYPE_INFOBAR_INFO])){
delete infobar_txt;
infobar_txt = NULL;
killInfobarText();
return;
}
@@ -1853,8 +1858,9 @@ void CInfoViewer::showInfoFile()
infobar_txt->setColorBody(COL_INFOBAR_PLUS_0);
infobar_txt->doPaintTextBoxBg(false);
//paint info, don't save backscreen, if already painted, global hide is done by killTitle()
//paint info, don't save background, if already painted, global hide is also done by killTitle()
bool save_bg = !infobar_txt->isPainted();
if (infobar_txt->textChanged())
infobar_txt->paint(save_bg);
}
@@ -1874,6 +1880,8 @@ void CInfoViewer::killTitle()
g_Radiotext->S_RtOsd = g_Radiotext->haveRadiotext() ? 1 : 0;
killRadiotext();
}
killInfobarText();
}
showButtonBar = false;
}

3
src/gui/infoviewer.h
View File

@@ -128,8 +128,11 @@ class CInfoViewer
void showRadiotext();
void killRadiotext();
//small infobox, shows a small textbox with a short message text,
//text must be located in a file named /tmp/infobar.txt
CComponentsInfoBox *infobar_txt;
void showInfoFile();
void killInfobarText();
//void loop(int fadeValue, bool show_dot ,bool fadeIn);
void loop(bool show_dot);