diff options
Diffstat (limited to 'osd_status.cpp')
| -rw-r--r-- | osd_status.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/osd_status.cpp b/osd_status.cpp new file mode 100644 index 0000000..a6791ab --- /dev/null +++ b/osd_status.cpp @@ -0,0 +1,167 @@ +#include <string> +#include <sstream> +#include "osd_status.h" + +namespace vdrlive { + +OsdStatusMonitor::OsdStatusMonitor():title(),message(),red(),green(),yellow(),blue(),text(),selected(-1),lastUpdate(0){ + memset(&tabs, 0, sizeof(tabs)); +} +OsdStatusMonitor::~OsdStatusMonitor() { + OsdClear(); +} + +void OsdStatusMonitor::OsdClear() { + title = message = text = ""; + red = green = yellow = blue = ""; + items.Clear(); + selected = -1; + memset(&tabs, 0, sizeof(tabs)); + lastUpdate= clock(); +} + +void OsdStatusMonitor::OsdTitle(const char *Title) { + title = Title ? Title : ""; + lastUpdate= clock(); +} + +void OsdStatusMonitor::OsdStatusMessage(const char *Message) { + message = Message ? Message : ""; + lastUpdate= clock(); +} + +void OsdStatusMonitor::OsdHelpKeys(const char *Red, const char *Green, const char *Yellow, const char *Blue) { + red = Red ? Red :""; + green = Green ? Green : ""; + yellow = Yellow ? Yellow : ""; + blue = Blue ? Blue : ""; + lastUpdate= clock(); +} + +void OsdStatusMonitor::OsdItem(const char *Text, int Index) { + const char* tab; + const char* colStart = Text; + for (int col = 0; col < MaxTabs && + (tab = strchr(colStart, '\t')); col++) { + int width = tab - colStart + 1; + if (width > tabs[col]) + tabs[col] = width; + colStart = colStart + width; + } + items.Add(new cLiveOsdItem(Text)); + lastUpdate= clock(); +} + +void OsdStatusMonitor::OsdCurrentItem(const char *Text) { + int i = -1; + int best = -1; + int dist = items.Count(); + cLiveOsdItem * currentItem = NULL; + cLiveOsdItem *bestItem = NULL; + for (cLiveOsdItem *item = items.First(); item; item = items.Next(item)) { + if (++i == selected) + currentItem = item; + if ( item->Text().compare(Text) == 0) { + if (abs(i - selected) < dist) { + // best match is the one closest to previous position + best = i; + bestItem= item; + dist = abs(i - selected); + } + else if (selected < 0) { + // previous position unknown - take first match + best = i; + bestItem= item; + break; + } + else { + // we already have a better match, so we're done + break; + } + } + } + if (best >= 0) { + // found matching item + selected = best; + bestItem->Select(true); + if (currentItem && currentItem != bestItem){ + currentItem->Select(false); + lastUpdate= clock(); + } + } + else if (currentItem) { + // no match: the same item is still selected but its text changed + currentItem->Update(Text); + lastUpdate= clock(); + } +} + +void OsdStatusMonitor::OsdTextItem(const char *Text, bool Scroll) { + if (Text) { + text = Text; + //text= text.replace( text.begin(), text.end(), '\n', '|'); + } + else { + text = ""; + } + lastUpdate= clock(); +} +std::string const OsdStatusMonitor::GetTitleHtml() {return !title.empty() ? "<div class=\"osdTitle\">" + EncodeHtml(title) + "</div>" : "";} +std::string const OsdStatusMonitor::GetMessageHtml() {return !message.empty() ? "<div class=\"osdMessage\">" + EncodeHtml(message) + "</div>" : "";} +std::string const OsdStatusMonitor::GetRedHtml() {return !red.empty() ? "<div class=\"osdButtonRed\">" + EncodeHtml(red) + "</div>" : "";} +std::string const OsdStatusMonitor::GetGreenHtml() {return !green.empty() ? "<div class=\"osdButtonGreen\">" + EncodeHtml(green) + "</div>" : "";} +std::string const OsdStatusMonitor::GetYellowHtml() {return !yellow.empty() ? "<div class=\"osdButtonYellow\">" + EncodeHtml(yellow) + "</div>" : "";} +std::string const OsdStatusMonitor::GetBlueHtml() {return !blue.empty() ? "<div class=\"osdButtonBlue\">" + EncodeHtml(blue) + "</div>" : "";} +std::string const OsdStatusMonitor::GetTextHtml() {return !text.empty() ? "<div class=\"osdText\">" + EncodeHtml(text) + "</div>" : "";} +std::string const OsdStatusMonitor::GetButtonsHtml() { + std::string buffer= GetRedHtml() + GetGreenHtml() + GetYellowHtml() + GetBlueHtml(); + return !buffer.empty() ? "<div class=\"osdButtons\">" + buffer + "</div>" : ""; +} + +std::string const OsdStatusMonitor::GetItemsHtml(void){ + std::string buffer= ""; + for (cLiveOsdItem *item = items.First(); item; item = items.Next(item)) { + buffer += "<div class=\"osdItem"; + if (item->isSelected()) + buffer += " selected"; + buffer += "\">"; + buffer += EncodeHtml(item->Text()); + buffer += "</div>"; + } + return !buffer.empty() ? "<div class=\"osdItems\">" + buffer + "</div>" : ""; +} +std::string const OsdStatusMonitor::GetHtml(){ + std::stringstream mystream; + mystream << lastUpdate; + return "<div class=\"osd\" data-time=\"" + mystream.str() + "\">" + GetTitleHtml() + GetItemsHtml() + GetTextHtml() + GetMessageHtml() + GetButtonsHtml() + "</div>"; +} + +std::string const OsdStatusMonitor::EncodeHtml(const std::string& html) { + std::ostringstream result; + std::string::const_iterator i; + for (i = html.begin(); i != html.end(); ++i) { + if (*i >= 128) + result << "&#" << static_cast<int>(*i) << ";"; + else if (*i == '<') + result << "<"; + else if (*i == '>') + result << ">"; + else if (*i == '&') + result << "&"; + else if (*i == '"') + result << """; + else + result << static_cast<char>(*i); // Copy untranslated + } + return result.str(); +} + + + +OsdStatusMonitor& LiveOsdStatusMonitor() +{ + static OsdStatusMonitor instance; + return instance; +} + +} // namespace vdrlive |