Skip to content

Instantly share code, notes, and snippets.

@dougbinks

dougbinks/ImGuiUtils.h

Created November 18, 2017 13:53
Show Gist options
  • Star 12 You must be signed in to star a gist
  • Fork 4 You must be signed in to fork a gist
  • Save dougbinks/ef0962ef6ebe2cadae76c4e9f0586c69 to your computer and use it in GitHub Desktop.
Save dougbinks/ef0962ef6ebe2cadae76c4e9f0586c69 to your computer and use it in GitHub Desktop.
Download ZIP
ImGuiUtils.h with TextURL
Raw
ImGuiUtils.h
#pragma once
#include "RuntimeImGui.h"
#include "RuntimeInclude.h"
RUNTIME_MODIFIABLE_INCLUDE;
#include "IconsFontAwesome.h" // from https://github.com/juliettef/IconFontCppHeaders
#include "PlatformUtils.h"
namespace ImGui
{
class ColSwitchTemp
{
ImGuiCol_ toChange;
ImVec4 prevCol;
bool bIsSet;
public:
ColSwitchTemp( ImGuiCol_ toChange_, ImVec4 to_ ) : toChange( toChange_ )
{
ImGuiStyle& style = ImGui::GetStyle();
prevCol = style.Colors[toChange];
style.Colors[toChange] = to_;
bIsSet = true;
}
void Reset()
{
if( bIsSet )
{
ImGui::GetStyle().Colors[toChange] = prevCol;
bIsSet = false;
}
}
~ColSwitchTemp()
{
Reset();
}
};
inline void SetupImGuiStyle( bool bStyleDark_, float alpha_ )
{
ImGuiStyle& style = ImGui::GetStyle();
// light style from Pacôme Danhiez (user itamago) https://github.com/ocornut/imgui/pull/511#issuecomment-175719267
style.Alpha = 1.0f;
style.FrameRounding = 3.0f;
style.Colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
style.Colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
style.Colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 0.94f);
style.Colors[ImGuiCol_ChildWindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
style.Colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.94f);
style.Colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.39f);
style.Colors[ImGuiCol_BorderShadow] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f);
style.Colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.94f);
style.Colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
style.Colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
style.Colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
style.Colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
style.Colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
style.Colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
style.Colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
style.Colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 1.00f);
style.Colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.59f, 0.59f, 0.59f, 1.00f);
style.Colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
style.Colors[ImGuiCol_ComboBg] = ImVec4(0.86f, 0.86f, 0.86f, 0.99f);
style.Colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
style.Colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
style.Colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
style.Colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
style.Colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
style.Colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
style.Colors[ImGuiCol_SeparatorHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
style.Colors[ImGuiCol_SeparatorActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
style.Colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.50f);
style.Colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
style.Colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
style.Colors[ImGuiCol_CloseButton] = ImVec4(0.59f, 0.59f, 0.59f, 0.50f);
style.Colors[ImGuiCol_CloseButtonHovered] = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
style.Colors[ImGuiCol_CloseButtonActive] = ImVec4(0.98f, 0.39f, 0.36f, 1.00f);
style.Colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
style.Colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
style.Colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
style.Colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
style.Colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
style.Colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
if( bStyleDark_ )
{
for (int i = 0; i <= ImGuiCol_COUNT; i++)
{
ImVec4& col = style.Colors[i];
float H, S, V;
ImGui::ColorConvertRGBtoHSV( col.x, col.y, col.z, H, S, V );
if( S < 0.1f )
{
V = 1.0f - V;
}
ImGui::ColorConvertHSVtoRGB( H, S, V, col.x, col.y, col.z );
if( col.w < 1.00f )
{
col.w *= alpha_;
}
}
}
else
{
for (int i = 0; i <= ImGuiCol_COUNT; i++)
{
ImVec4& col = style.Colors[i];
if( col.w < 1.00f )
{
col.x *= alpha_;
col.y *= alpha_;
col.z *= alpha_;
col.w *= alpha_;
}
}
}
}
inline bool CheckBoxFont( const char* name_, bool* pB_, const char* pOn_ = "[X]", const char* pOff_="[ ]" )
{
if( *pB_ )
{
ImGui::Text("%s %s", pOn_, name_);
}
else
{
ImGui::Text("%s %s", pOff_, name_);
}
if( ImGui::IsItemHovered() && ImGui::IsMouseClicked(0) )
{
*pB_ = ! *pB_;
return true;
}
return false;
}
inline bool CheckBoxTick( const char* name_, bool* pB_ )
{
return CheckBoxFont( name_, pB_, ICON_FA_CHECK_SQUARE, ICON_FA_SQUARE );
}
inline bool MenuItemCheckbox( const char* name_, bool* pB_ )
{
char tempBuffer[255];
ImGui::PushID( name_ );
if( *pB_ )
{
snprintf(tempBuffer, sizeof(tempBuffer), ICON_FA_CHECK_SQUARE " %s", name_ );
}
else
{
snprintf(tempBuffer, sizeof(tempBuffer), ICON_FA_SQUARE " %s", name_ );
}
bool retval = ImGui::Selectable(tempBuffer, false, ImGuiSelectableFlags_DontClosePopups, ImVec2(0.0f, 0.0f));
//bool retval = ImGui::MenuItem( tempBuffer );
if( retval )
{
*pB_ = ! *pB_;
}
ImGui::PopID();
return retval;
}
inline bool RadioSelectable( const char* label, int* v, int v_button, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0) )
{
if( ImGui::Selectable(label, *v == v_button, flags, size ) )
{
*v = v_button;
return true;
}
return false;
}
inline bool RadioCheckBoxTick( const char* name_, int* v, int v_button )
{
bool ticked = *v == v_button;
if( ImGui::CheckBoxTick( name_, &ticked ) )
{
*v = v_button;
return true;
}
return false;
}
inline void DummyWidget()
{
ImGui::Dummy( ImVec2(0.0f, ImGui::GetTextLineHeight() + ImGui::GetStyle().FramePadding.y*2.0f ) );
}
inline void DummyText()
{
ImGui::Dummy( ImVec2(0.0f, ImGui::GetTextLineHeight() ) );
}
inline void ShowHelpMarker(const char* desc)
{
ImGui::TextDisabled( " " ICON_FA_QUESTION_CIRCLE " " );
if (ImGui::IsItemHovered())
{
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(450.0f);
ImGui::TextUnformatted(desc);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
}
}
inline void AddUnderLine( ImColor col_ )
{
ImVec2 min = ImGui::GetItemRectMin();
ImVec2 max = ImGui::GetItemRectMax();
min.y = max.y;
ImGui::GetWindowDrawList()->AddLine( min, max, col_, 1.0f );
}
// hyperlink urls
inline void TextURL( const char* name_, const char* URL_, uint8_t SameLineBefore_, uint8_t SameLineAfter_ )
{
if( 1 == SameLineBefore_ ){ ImGui::SameLine( 0.0f, ImGui::GetStyle().ItemInnerSpacing.x ); }
ImGui::PushStyleColor(ImGuiCol_Text, ImGui::GetStyle().Colors[ImGuiCol_ButtonHovered]);
ImGui::Text( name_ );
ImGui::PopStyleColor();
if (ImGui::IsItemHovered())
{
if( ImGui::IsMouseClicked(0) )
{
PlatformOpenURLInBrowser( URL_ );
}
AddUnderLine( ImGui::GetStyle().Colors[ImGuiCol_ButtonHovered] );
ImGui::SetTooltip( ICON_FA_LINK " Open in browser\n%s", URL_ );
}
else
{
AddUnderLine( ImGui::GetStyle().Colors[ImGuiCol_Button] );
}
if( 1 == SameLineAfter_ ){ ImGui::SameLine( 0.0f, ImGui::GetStyle().ItemInnerSpacing.x ); }
}
// menu item urls
inline void MenuItemURL( const char* name_, const char* URL_ )
{
std::string linkIconName = std::string( ICON_FA_LINK "\t" + std::string( name_ ));
if( ImGui::MenuItem( linkIconName.c_str()))
{
PlatformOpenURLInBrowser( URL_ );
}
if (ImGui::IsItemHovered())
{
ImGui::SetTooltip( ICON_FA_LINK " Open in browser\n%s", URL_ );
}
}
struct FrameTimeHistogram
{
// configuration params - modify these at will
static const int NUM = 101; //last value is from T-1 to inf.
float dT = 0.001f; // in seconds, default 1ms
float refresh = 1.0f/60.0f;// set this to your target refresh rate
static const int NUM_MARKERS = 2;
float markers[NUM_MARKERS] = { 0.99f, 0.999f };
// data
ImVec2 size = ImVec2( 3.0f * NUM, 40.0f );
float lastdT = 0.0f;
float timesTotal;
float countsTotal;
float times[ NUM];
float counts[NUM];
float hitchTimes[ NUM];
float hitchCounts[NUM];
FrameTimeHistogram()
{
Clear();
}
void Clear()
{
timesTotal = 0.0f;
countsTotal = 0.0f;
memset(times, 0, sizeof(times) );
memset(counts, 0, sizeof(counts) );
memset(hitchTimes, 0, sizeof(hitchTimes) );
memset(hitchCounts, 0, sizeof(hitchCounts) );
}
int GetBin( float time_ )
{
int bin = (int)floor( time_ / dT );
if( bin >= NUM )
{
bin = NUM - 1;
}
return bin;
}
void Update( float deltaT_ )
{
if( deltaT_ < 0.0f )
{
assert(false);
return;
}
int bin = GetBin( deltaT_ );
times[ bin] += deltaT_;
timesTotal += deltaT_;
counts[bin] += 1.0f;
countsTotal += 1.0f;
float hitch = abs( lastdT - deltaT_ );
int deltaBin = GetBin( hitch );
hitchTimes[ deltaBin] += hitch;
hitchCounts[deltaBin] += 1.0f;
lastdT = deltaT_;
}
void PlotRefreshLines( float total_ = 0.0f, float* pValues_ = NULL)
{
ImDrawList* draw = ImGui::GetWindowDrawList();
const ImGuiStyle& style = ImGui::GetStyle();
ImVec2 pad = style.FramePadding;
ImVec2 min = ImGui::GetItemRectMin();
min.x += pad.x;
ImVec2 max = ImGui::GetItemRectMax();
max.x -= pad.x;
float xRefresh = (max.x - min.x) * refresh / ( dT * NUM );
float xCurr = xRefresh + min.x;
while( xCurr < max.x )
{
float xP = ceil( xCurr ); // use ceil to get integer coords or else lines look odd
draw->AddLine( ImVec2( xP, min.y ), ImVec2( xP, max.y ), 0x50FFFFFF );
xCurr += xRefresh;
}
if( pValues_ )
{
// calc markers
float currTotal = 0.0f;
int mark = 0;
for( int i = 0; i < NUM && mark < NUM_MARKERS; ++i )
{
currTotal += pValues_[i];
if( total_ * markers[mark] < currTotal )
{
float xP = ceil( (float)(i+1)/(float)NUM * ( max.x - min.x ) + min.x ); // use ceil to get integer coords or else lines look odd
draw->AddLine( ImVec2( xP, min.y ), ImVec2( xP, max.y ), 0xFFFF0000 );
++mark;
}
}
}
}
void CalcHistogramSize( int numShown_ )
{
ImVec2 wRegion = ImGui::GetContentRegionMax();
float heightGone = 7.0f * ImGui::GetItemsLineHeightWithSpacing();
wRegion.y -= heightGone;
wRegion.y /= (float) numShown_;
const ImGuiStyle& style = ImGui::GetStyle();
ImVec2 pad = style.FramePadding;
wRegion.x -= 2.0f * pad.x;
size = wRegion;
}
void Draw(const char* name_, bool* pOpen_ = NULL )
{
if (ImGui::Begin( name_, pOpen_ ))
{
int numShown = 0;
if(ImGui::CollapsingHeader("Time Histogram"))
{
++numShown;
ImGui::PlotHistogram("", times, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines( timesTotal, times );
}
if(ImGui::CollapsingHeader("Count Histogram"))
{
++numShown;
ImGui::PlotHistogram("", counts, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines( countsTotal, counts );
}
if(ImGui::CollapsingHeader("Hitch Time Histogram"))
{
++numShown;
ImGui::PlotHistogram("", hitchTimes, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines();
}
if(ImGui::CollapsingHeader("Hitch Count Histogram"))
{
++numShown;
ImGui::PlotHistogram("", hitchCounts, NUM, 0, NULL, FLT_MAX, FLT_MAX, size );
PlotRefreshLines();
}
if( ImGui::Button("Clear") )
{
Clear();
}
CalcHistogramSize( numShown );
}
ImGui::End();
}
};
};
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment