diff options
| author | louis <louis.braun@gmx.de> | 2013-01-17 13:16:44 +0100 |
|---|---|---|
| committer | louis <louis.braun@gmx.de> | 2013-01-17 13:16:44 +0100 |
| commit | 47c3fea545a1b4607deda1e7d2fa51cbcf89a656 (patch) | |
| tree | 4109469360bfb71ce467c240a33d0738ad44c18e /messagebox.c | |
| download | vdr-plugin-tvguide-47c3fea545a1b4607deda1e7d2fa51cbcf89a656.tar.gz vdr-plugin-tvguide-47c3fea545a1b4607deda1e7d2fa51cbcf89a656.tar.bz2 | |
Initial push tvguide 0.0.1
Diffstat (limited to 'messagebox.c')
| -rw-r--r-- | messagebox.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/messagebox.c b/messagebox.c new file mode 100644 index 0000000..3f727d4 --- /dev/null +++ b/messagebox.c @@ -0,0 +1,114 @@ +#include "messagebox.h"
+
+cMessageBoxThread::cMessageBoxThread(cPixmap *content, int displayTime) {
+ this->content = content;
+ FrameTime = 30; // ms
+ FadeTime = 200; // ms
+ this->displayTime = displayTime;
+}
+
+cMessageBoxThread::~cMessageBoxThread(void) {
+ Cancel(0);
+}
+
+void cMessageBoxThread::Action(void) {
+ uint64_t Start = cTimeMs::Now();
+ while (Running()) {
+ uint64_t Now = cTimeMs::Now();
+ cPixmap::Lock();
+ double t = min(double(Now - Start) / FadeTime, 1.0);
+ int Alpha = t * ALPHA_OPAQUE;
+ if (content) {
+ content->SetAlpha(Alpha);
+ osdManager.flush();
+ }
+ cPixmap::Unlock();
+ int Delta = cTimeMs::Now() - Now;
+ if (Delta < FrameTime)
+ cCondWait::SleepMs(FrameTime - Delta);
+ if ((Now - Start) > FadeTime)
+ break;
+ }
+ cCondWait::SleepMs(displayTime - 2*FadeTime);
+ Start = cTimeMs::Now();
+ while (Running()) {
+ uint64_t Now = cTimeMs::Now();
+ cPixmap::Lock();
+ double t = min(double(Now - Start) / FadeTime, 1.0);
+ int Alpha = (1-t) * ALPHA_OPAQUE;
+ if (content) {
+ content->SetAlpha(Alpha);
+ osdManager.flush();
+ }
+ cPixmap::Unlock();
+ int Delta = cTimeMs::Now() - Now;
+ if (Delta < FrameTime)
+ cCondWait::SleepMs(FrameTime - Delta);
+ if ((Now - Start) > FadeTime)
+ break;
+ }
+ osdManager.flush();
+}
+
+//--cMessageBox-------------------------------------------------------------
+cMutex cMessageBox::mutex;
+cMessageBoxThread *cMessageBox::msgboxThread = NULL;
+cPixmap *cMessageBox::content = NULL;
+
+bool cMessageBox::Start(int displayTime, cString msg) {
+ cMutexLock MutexLock(&mutex);
+ int width = (tvguideConfig.osdWidth - 600)/2;
+ if (!content) {
+ int height = 400;
+ content = osdManager.requestPixmap(5, cRect((tvguideConfig.osdWidth - width)/2,
+ (tvguideConfig.osdHeight- height)/2,
+ width, height),
+ cRect::Null, "msgbox");
+ }
+ if (msgboxThread) {
+ delete msgboxThread;
+ msgboxThread = NULL;
+ }
+ if (!msgboxThread) {
+ msgboxThread = new cMessageBoxThread(content, displayTime);
+ cTextWrapper message;
+ message.Set(msg, tvguideConfig.FontMessageBox, width - 40);
+ int textHeight = tvguideConfig.FontMessageBox->Height();
+ int textLines = message.Lines();
+ int height = textLines * (textHeight+20);
+ cPixmap::Lock();
+ content->SetViewPort(cRect((tvguideConfig.osdWidth - width)/2,(tvguideConfig.osdHeight- height)/2, width, height));
+ content->SetAlpha(0);
+ content->Fill(theme.Color(clrBorder));
+ content->DrawRectangle(cRect(2,2,width-4, height-4), theme.Color(clrBackground));
+ int textWidth = 0;
+ for (int i=0; i<textLines; i++) {
+ textWidth = tvguideConfig.FontMessageBox->Width(message.GetLine(i));
+ content->DrawText(cPoint((width - textWidth)/2, 20 + i*textHeight), message.GetLine(i), theme.Color(clrFont), clrTransparent, tvguideConfig.FontMessageBox);
+ }
+ cPixmap::Unlock();
+ msgboxThread->Start();
+ return true;
+ }
+ return false;
+}
+
+void cMessageBox::Stop(void) {
+ cMutexLock MutexLock(&mutex);
+ if (msgboxThread) {
+ delete msgboxThread;
+ msgboxThread = NULL;
+ }
+}
+
+void cMessageBox::Destroy(void) {
+ cMutexLock MutexLock(&mutex);
+ if (msgboxThread) {
+ delete msgboxThread;
+ msgboxThread = NULL;
+ }
+ if (content) {
+ osdManager.releasePixmap(content, "msgboxDestroy");
+ content = NULL;
+ }
+}
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