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335 lines
8.5 KiB
C
335 lines
8.5 KiB
C
/*
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* skins.c: The optical appearance of the OSD
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: skins.c 1.7 2006/01/08 11:40:18 kls Exp $
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*/
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#include "skins.h"
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#include "interface.h"
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#include "status.h"
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// --- cSkinQueuedMessage ----------------------------------------------------
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class cSkinQueuedMessage : public cListObject {
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friend class cSkins;
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private:
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eMessageType type;
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char *message;
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int seconds;
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int timeout;
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tThreadId threadId;
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eKeys key;
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int state;
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cMutex mutex;
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cCondVar condVar;
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public:
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cSkinQueuedMessage(eMessageType Type, const char *s, int Seconds, int Timeout);
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virtual ~cSkinQueuedMessage();
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};
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cSkinQueuedMessage::cSkinQueuedMessage(eMessageType Type, const char *s, int Seconds, int Timeout)
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{
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type = Type;
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message = s ? strdup(s) : NULL;
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seconds = Seconds;
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timeout = Timeout;
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threadId = cThread::ThreadId();
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key = kNone;
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state = 0; // waiting
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}
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cSkinQueuedMessage::~cSkinQueuedMessage()
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{
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free(message);
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}
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cList<cSkinQueuedMessage> SkinQueuedMessages;
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// --- cSkinDisplay ----------------------------------------------------------
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cSkinDisplay *cSkinDisplay::current = NULL;
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cSkinDisplay::cSkinDisplay(void)
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{
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current = this;
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editableWidth = 100; //XXX
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}
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cSkinDisplay::~cSkinDisplay()
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{
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current = NULL;
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}
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// --- cSkinDisplayMenu ------------------------------------------------------
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cSkinDisplayMenu::cSkinDisplayMenu(void)
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{
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SetTabs(0);
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}
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void cSkinDisplayMenu::SetTabs(int Tab1, int Tab2, int Tab3, int Tab4, int Tab5)
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{
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tabs[0] = 0;
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tabs[1] = Tab1 ? tabs[0] + Tab1 : 0;
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tabs[2] = Tab2 ? tabs[1] + Tab2 : 0;
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tabs[3] = Tab3 ? tabs[2] + Tab3 : 0;
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tabs[4] = Tab4 ? tabs[3] + Tab4 : 0;
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tabs[5] = Tab5 ? tabs[4] + Tab5 : 0;
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for (int i = 1; i < MaxTabs; i++)
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tabs[i] *= 12;//XXX average character width of font used for items!!!
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}
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void cSkinDisplayMenu::Scroll(bool Up, bool Page)
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{
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textScroller.Scroll(Up, Page);
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}
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const char *cSkinDisplayMenu::GetTabbedText(const char *s, int Tab)
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{
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if (!s)
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return NULL;
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static char buffer[1000];
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const char *a = s;
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const char *b = strchrnul(a, '\t');
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while (*b && Tab-- > 0) {
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a = b + 1;
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b = strchrnul(a, '\t');
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}
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if (!*b)
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return (Tab <= 0) ? a : NULL;
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unsigned int n = b - a;
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if (n >= sizeof(buffer))
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n = sizeof(buffer) - 1;
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strncpy(buffer, a, n);
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buffer[n] = 0;
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return buffer;
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}
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// --- cSkinDisplayReplay::cProgressBar --------------------------------------
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cSkinDisplayReplay::cProgressBar::cProgressBar(int Width, int Height, int Current, int Total, const cMarks *Marks, tColor ColorSeen, tColor ColorRest, tColor ColorSelected, tColor ColorMark, tColor ColorCurrent)
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:cBitmap(Width, Height, 2)
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{
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total = Total;
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if (total > 0) {
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int p = Pos(Current);
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DrawRectangle(0, 0, p, Height - 1, ColorSeen);
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DrawRectangle(p + 1, 0, Width - 1, Height - 1, ColorRest);
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if (Marks) {
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bool Start = true;
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for (const cMark *m = Marks->First(); m; m = Marks->Next(m)) {
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int p1 = Pos(m->position);
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if (Start) {
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const cMark *m2 = Marks->Next(m);
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int p2 = Pos(m2 ? m2->position : total);
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int h = Height / 3;
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DrawRectangle(p1, h, p2, Height - h, ColorSelected);
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}
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Mark(p1, Start, m->position == Current, ColorMark, ColorCurrent);
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Start = !Start;
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}
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}
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}
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}
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void cSkinDisplayReplay::cProgressBar::Mark(int x, bool Start, bool Current, tColor ColorMark, tColor ColorCurrent)
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{
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DrawRectangle(x, 0, x, Height() - 1, ColorMark);
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const int d = Height() / (Current ? 3 : 9);
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for (int i = 0; i < d; i++) {
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int h = Start ? i : Height() - 1 - i;
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DrawRectangle(x - d + i, h, x + d - i, h, Current ? ColorCurrent : ColorMark);
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}
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}
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// --- cSkinDisplayReplay ----------------------------------------------------
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cSkinDisplayReplay::cSkinDisplayReplay(void)
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{
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marks = NULL;
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}
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void cSkinDisplayReplay::SetMarks(const cMarks *Marks)
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{
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marks = Marks;
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}
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// --- cSkin -----------------------------------------------------------------
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cSkin::cSkin(const char *Name, cTheme *Theme)
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{
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name = strdup(Name);
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theme = Theme;
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if (theme)
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cThemes::Save(name, theme);
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Skins.Add(this);
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Skins.SetCurrent(Name);
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}
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cSkin::~cSkin()
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{
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free(name);
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}
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// --- cSkins ----------------------------------------------------------------
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cSkins Skins;
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cSkins::cSkins(void)
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{
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displayMessage = NULL;
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}
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cSkins::~cSkins()
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{
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delete displayMessage;
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}
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bool cSkins::SetCurrent(const char *Name)
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{
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if (Name) {
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for (cSkin *Skin = First(); Skin; Skin = Next(Skin)) {
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if (strcmp(Skin->Name(), Name) == 0) {
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current = Skin;
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return true;
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}
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}
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}
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current = First();
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return current != NULL;
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}
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eKeys cSkins::Message(eMessageType Type, const char *s, int Seconds)
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{
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switch (Type) {
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case mtInfo: isyslog("info: %s", s); break;
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case mtWarning: isyslog("warning: %s", s); break;
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case mtError: esyslog("ERROR: %s", s); break;
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default: ;
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}
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if (!Current())
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return kNone;
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if (!cSkinDisplay::Current() && !displayMessage)
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displayMessage = Current()->DisplayMessage();
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cSkinDisplay::Current()->SetMessage(Type, s);
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cSkinDisplay::Current()->Flush();
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cStatus::MsgOsdStatusMessage(s);
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eKeys k = kNone;
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if (Type != mtStatus) {
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k = Interface->Wait(Seconds);
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if (displayMessage) {
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delete displayMessage;
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displayMessage = NULL;
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cStatus::MsgOsdClear();
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}
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else {
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cSkinDisplay::Current()->SetMessage(Type, NULL);
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cStatus::MsgOsdStatusMessage(NULL);
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}
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}
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else if (!s && displayMessage) {
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delete displayMessage;
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displayMessage = NULL;
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cStatus::MsgOsdClear();
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}
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return k;
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}
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int cSkins::QueueMessage(eMessageType Type, const char *s, int Seconds, int Timeout)
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{
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if (Type == mtStatus) {
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dsyslog("cSkins::QueueMessage() called with mtStatus - ignored!");
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return kNone;
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}
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if (isempty(s)) {
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dsyslog("cSkins::QueueMessage() called with empty message - ignored!");
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return kNone;
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}
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int k = kNone;
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if (Timeout > 0) {
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if (cThread::IsMainThread()) {
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dsyslog("cSkins::QueueMessage() called from main thread with Timeout = %d - ignored!", Timeout);
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return k;
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}
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cSkinQueuedMessage *m = new cSkinQueuedMessage(Type, s, Seconds, Timeout);
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queueMessageMutex.Lock();
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SkinQueuedMessages.Add(m);
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m->mutex.Lock();
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queueMessageMutex.Unlock();
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if (m->condVar.TimedWait(m->mutex, Timeout * 1000))
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k = m->key;
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else
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k = -1; // timeout, nothing has been displayed
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m->state = 2; // done
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m->mutex.Unlock();
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}
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else {
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queueMessageMutex.Lock();
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// Check if there is a waiting message w/o timeout for this thread:
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if (Timeout == -1) {
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for (cSkinQueuedMessage *m = SkinQueuedMessages.Last(); m; m = SkinQueuedMessages.Prev(m)) {
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if (m->threadId == cThread::ThreadId()) {
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if (m->state == 0 && m->timeout == -1)
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m->state = 2; // done
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break;
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}
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}
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}
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// Add the new message:
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SkinQueuedMessages.Add(new cSkinQueuedMessage(Type, s, Seconds, Timeout));
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queueMessageMutex.Unlock();
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}
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return k;
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}
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void cSkins::ProcessQueuedMessages(void)
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{
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if (!cThread::IsMainThread()) {
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dsyslog("cSkins::ProcessQueuedMessages() called from background thread - ignored!");
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return;
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}
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cSkinQueuedMessage *msg = NULL;
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// Get the first waiting message:
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queueMessageMutex.Lock();
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for (cSkinQueuedMessage *m = SkinQueuedMessages.First(); m; m = SkinQueuedMessages.Next(m)) {
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if (m->state == 0) { // waiting
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m->state = 1; // active
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msg = m;
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break;
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}
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}
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queueMessageMutex.Unlock();
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// Display the message:
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if (msg) {
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msg->mutex.Lock();
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if (msg->state == 1) { // might have changed since we got it
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msg->key = Skins.Message(msg->type, msg->message, msg->seconds);
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if (msg->timeout == 0)
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msg->state = 2; // done
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else
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msg->condVar.Broadcast();
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}
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msg->mutex.Unlock();
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}
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// Remove done messages from the queue:
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queueMessageMutex.Lock();
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for (;;) {
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cSkinQueuedMessage *m = SkinQueuedMessages.First();
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if (m && m->state == 2) { // done
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SkinQueuedMessages.Del(m);
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}
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else
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break;
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}
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queueMessageMutex.Unlock();
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}
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void cSkins::Flush(void)
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{
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if (cSkinDisplay::Current())
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cSkinDisplay::Current()->Flush();
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}
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