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Added display of "NO PREVIEW" for modules not supporting such.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@873 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
gendusoa
2002-08-25 00:31:17 +00:00
parent e7a0c94298
commit 7724701025
2 changed files with 34 additions and 6 deletions
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src/prefs/screensaver/PreviewView.cpp
+31 -6
View File
@@ -68,7 +68,8 @@ PreviewView::PreviewView(BRect frame, const char *name)
removeConfigView (false), removeConfigView (false),
deleteSaver (false), deleteSaver (false),
removePreviewArea (false), removePreviewArea (false),
unloadAddon (false) unloadAddon (false),
noPreview (false)
{ {
SetViewColor(216,216,216); SetViewColor(216,216,216);
AddChild(previewArea=new BView (scale2(1,8,1,2,Bounds()),"sampleScreen",B_FOLLOW_NONE,B_WILL_DRAW)); AddChild(previewArea=new BView (scale2(1,8,1,2,Bounds()),"sampleScreen",B_FOLLOW_NONE,B_WILL_DRAW));
@@ -152,6 +153,7 @@ void PreviewView::LoadNewAddon(const char* addOnFilename)
snooze( saver->TickSize() ); snooze( saver->TickSize() );
kill_thread( previewData.previewThreadId ); kill_thread( previewData.previewThreadId );
previewData.stopMe = false; previewData.stopMe = false;
previewData.previewThreadId = 0;
} }
status_t lastOpStatus; status_t lastOpStatus;
@@ -186,6 +188,12 @@ void PreviewView::LoadNewAddon(const char* addOnFilename)
removeConfigView = false; removeConfigView = false;
} }
if (noPreview)
{
noPreviewView->RemoveSelf();
delete noPreviewView;
}
if (removePreviewArea) if (removePreviewArea)
{ {
previewArea->RemoveSelf(); previewArea->RemoveSelf();
@@ -240,9 +248,15 @@ void PreviewView::LoadNewAddon(const char* addOnFilename)
lastOpStatus = saver->StartSaver(previewArea, true); lastOpStatus = saver->StartSaver(previewArea, true);
if ( lastOpStatus != B_OK ) if ( lastOpStatus != B_OK )
{
std::cout << "StartSaver() said no go, returned " << lastOpStatus << '\n'; std::cout << "StartSaver() said no go, returned " << lastOpStatus << '\n';
else noPreview = true;
}
else
{
stopSaver = true; stopSaver = true;
noPreview = false;
}
// make config view // make config view
BRect configViewBounds = settingsBoxPtr->Bounds(); BRect configViewBounds = settingsBoxPtr->Bounds();
@@ -254,10 +268,21 @@ void PreviewView::LoadNewAddon(const char* addOnFilename)
stopConfigView = true; stopConfigView = true;
removeConfigView = true; removeConfigView = true;
previewData.previewThreadId = spawn_thread( previewThread, "preview_thread", 50, NULL ); if ( noPreview )
resume_thread( previewData.previewThreadId ); {
noPreviewView = new BStringView(previewArea->Bounds(), "no_preview", "NO PREVIEW AVAILABLE");
removePreviewArea = true; rgb_color white = { 255, 255, 255, 0};
noPreviewView->SetHighColor(white);
noPreviewView->SetAlignment(B_ALIGN_CENTER);
noPreviewView->Draw(previewArea->Bounds());
previewArea->AddChild(noPreviewView);
}
else
{
previewData.previewThreadId = spawn_thread( previewThread, "preview_thread", 50, NULL );
resume_thread( previewData.previewThreadId );
removePreviewArea = true;
}
} // end PreviewView::LoadNewAddon() } // end PreviewView::LoadNewAddon()
src/prefs/screensaver/PreviewView.h
+3
View File
@@ -2,6 +2,7 @@
#include <Box.h> #include <Box.h>
#include <MessageRunner.h> #include <MessageRunner.h>
#include <Bitmap.h> #include <Bitmap.h>
#include <StringView.h>
class BScreenSaver; class BScreenSaver;
@@ -31,6 +32,8 @@ private:
bool deleteSaver; bool deleteSaver;
bool removePreviewArea; bool removePreviewArea;
bool unloadAddon; bool unloadAddon;
bool noPreview;
BStringView *noPreviewView;
}; // end class PreviewView }; // end class PreviewView