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Histogram zooming prototype.

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This commit is contained in:
Bartosz Taudul
2018-09-03 23:18:26 +02:00
parent 2f9d0aa9eb
commit 9618131ce9
2 changed files with 50 additions and 8 deletions
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56
server/TracyView.cpp
View File

@@ -4685,9 +4685,10 @@ void View::DrawFindZone()
if( dt > 0 )
{
const auto w = ImGui::GetContentRegionAvail().x;
const auto wWin = ImGui::GetContentRegionAvail().x;
const auto wHist = round( wWin * m_findZone.scale );
const auto numBins = int64_t( w - 4 );
const auto numBins = int64_t( wHist - 4 );
if( numBins > 1 )
{
if( numBins != m_findZone.numBins )
@@ -4920,14 +4921,23 @@ void View::DrawFindZone()
}
const auto Height = 200 * ImGui::GetTextLineHeight() / 15.f;
const auto wpos = ImGui::GetCursorScreenPos();
ImGui::InvisibleButton( "##histogram", ImVec2( w, Height + round( ty * 1.5 ) ) );
auto& style = ImGui::GetStyle();
ImGui::BeginChild( "##histogramScroll", ImVec2( wWin, style.ScrollbarSize + 2 + Height + round( ty * 1.5 ) ), false, ImGuiWindowFlags_HorizontalScrollbar );
const auto wposY = ImGui::GetCursorScreenPos().y;
ImGui::InvisibleButton( "##histogram", ImVec2( wHist, Height + round( ty * 1.5 ) ) );
if( m_findZone.nextScrollPos >= 0.f )
{
ImGui::SetScrollX( m_findZone.nextScrollPos );
m_findZone.nextScrollPos = -1.f;
}
const auto wposX = ImGui::GetCursorScreenPos().x;
const auto wpos = ImVec2( wposX, wposY );
const bool hover = ImGui::IsItemHovered();
auto draw = ImGui::GetWindowDrawList();
draw->AddRectFilled( wpos, wpos + ImVec2( w, Height ), 0x22FFFFFF );
draw->AddRect( wpos, wpos + ImVec2( w, Height ), 0x88FFFFFF );
draw->AddRectFilled( wpos, wpos + ImVec2( wHist, Height ), 0x22FFFFFF );
draw->AddRect( wpos, wpos + ImVec2( wHist, Height ), 0x88FFFFFF );
if( m_findZone.logVal )
{
@@ -4973,7 +4983,7 @@ void View::DrawFindZone()
const auto end = int( ceil( ltmax ) );
const auto range = ltmax - ltmin;
const auto step = w / range;
const auto step = wHist / range;
auto offset = start - ltmin;
int tw = 0;
int tx = 0;
@@ -5090,7 +5100,7 @@ void View::DrawFindZone()
draw->AddLine( ImVec2( wpos.x + tgm, wpos.y ), ImVec2( wpos.x + tgm, wpos.y+Height-2 ), 0xFF44DD44 );
}
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) )
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( wHist-2, Height + round( ty * 1.5 ) ) ) )
{
const auto ltmin = log10( tmin );
const auto ltmax = log10( tmax );
@@ -5172,6 +5182,34 @@ void View::DrawFindZone()
}
m_findZone.ResetGroups();
}
if( ImGui::IsMouseDragging( 1 ) )
{
ImGui::SetScrollX( ImGui::GetScrollX() - io.MouseDelta.x );
}
const auto wheel = io.MouseWheel;
if( wheel != 0 )
{
if( wheel > 0 )
{
m_findZone.scale = std::min( 10.f, m_findZone.scale * 1.25f );
}
else
{
m_findZone.scale = std::max( 1.f, m_findZone.scale / 1.25f );
}
const double mouse = io.MousePos.x - wpos.x;
const auto p = mouse / wHist;
const auto sx = ImGui::GetScrollX();
const auto newHist = wWin * m_findZone.scale;
const auto newMouse = newHist * p;
const auto diff = newMouse - mouse;
const auto newSx = round( sx + diff );
m_findZone.nextScrollPos = newSx;
ImGui::SetScrollX( newSx );
}
}
if( m_findZone.highlight.active && m_findZone.highlight.start != m_findZone.highlight.end )
@@ -5197,6 +5235,8 @@ void View::DrawFindZone()
draw->AddRectFilled( wpos + ImVec2( 2 + t0, 1 ), wpos + ImVec2( 2 + t1, Height-1 ), 0x22DD8888 );
draw->AddRect( wpos + ImVec2( 2 + t0, 1 ), wpos + ImVec2( 2 + t1, Height-1 ), 0x44DD8888 );
}
ImGui::EndChild();
}
}
}

2
server/TracyView.hpp
View File

@@ -299,6 +299,8 @@ private:
int64_t total, selTotal;
bool drawAvgMed = true;
bool drawSelAvgMed = true;
float scale = 1.f;
float nextScrollPos = -1.f;
void Reset()
{