i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reduce drawing flicker in SourceView.

Browse Source 
Instead of relying on the app_server to handle the background color, do so
ourselves. This allows somewhat more granular control, and helps reduce
flicker on drawing when single stepping.
This commit is contained in:
Rene Gollent
2013-06-29 11:45:57 -04:00
parent 6a453d274e
commit 97a83952a1
1 changed files with 11 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/apps/debugger/user_interface/gui/team_window/SourceView.cpp
+11 -6
View File
@@ -1045,7 +1045,7 @@ SourceView::TextView::TextView(SourceView* sourceView, MarkerManager* manager,
fScrollRunner(NULL),
fMarkerManager(manager)
{
SetViewColor(ui_color(B_DOCUMENT_BACKGROUND_COLOR));
SetViewColor(B_TRANSPARENT_COLOR);
fTextColor = ui_color(B_DOCUMENT_TEXT_COLOR);
SetFlags(Flags() | B_NAVIGABLE);
}
@@ -1085,8 +1085,11 @@ SourceView::TextView::MaxSize()
void
SourceView::TextView::Draw(BRect updateRect)
{
if (fSourceCode == NULL)
if (fSourceCode == NULL) {
SetLowColor(ui_color(B_DOCUMENT_BACKGROUND_COLOR));
FillRect(updateRect, B_SOLID_LOW);
return;
}
// get the lines intersecting with the update rect
int32 minLine, maxLine;
@@ -1101,11 +1104,13 @@ SourceView::TextView::Draw(BRect updateRect)
SourceView::MarkerManager::InstructionPointerMarker* ipMarker;
int32 markerIndex = 0;
for (int32 i = minLine; i <= maxLine; i++) {
SetLowColor(ViewColor());
SetLowColor(ui_color(B_DOCUMENT_BACKGROUND_COLOR));
float y = i * fFontInfo->lineHeight;
BString lineString;
_FormatLine(fSourceCode->LineAt(i), lineString);
FillRect(BRect(0.0, y, kLeftTextMargin, y + fFontInfo->lineHeight),
B_SOLID_LOW);
for (int32 j = markerIndex; j < markers.CountItems(); j++) {
marker = markers.ItemAt(j);
if (marker->Line() < (uint32)i) {
@@ -1123,13 +1128,13 @@ SourceView::TextView::Draw(BRect updateRect)
} else
SetLowColor(255, 255, 0, 255);
FillRect(BRect(kLeftTextMargin, y, Bounds().right,
y + fFontInfo->lineHeight), B_SOLID_LOW);
break;
} else
break;
}
FillRect(BRect(kLeftTextMargin, y, Bounds().right,
y + fFontInfo->lineHeight), B_SOLID_LOW);
DrawString(lineString,
BPoint(kLeftTextMargin, y + fFontInfo->fontHeight.ascent));
}
@@ -2053,13 +2058,13 @@ SourceView::SetStackTrace(StackTrace* stackTrace, Thread* activeThread)
fMarkerManager->SetStackTrace(fStackTrace);
fMarkerView->SetStackTrace(fStackTrace);
fTextView->Invalidate();
}
void
SourceView::SetStackFrame(StackFrame* stackFrame)
{
TRACE_GUI("SourceView::SetStackFrame(%p)\n", stackFrame);
if (stackFrame == fStackFrame)
return;