ImGui new thread

SinisterSoft · January 2022

@rrraptor - I seem to remember a discussion about adding a text editor to imgui (similar to Scintilla) - do you know if that was added to the Gideros plugin?

If so, is there any demo on usage?

rrraptor · January 2022

SinisterSoft said:
@rrraptor - I seem to remember a discussion about adding a text editor to imgui (similar to Scintilla) - do you know if that was added to the Gideros plugin?

If so, is there any demo on usage?

https://github.com/MultiPain/Gideros_ImGui#texteditor

ui = ImGui.new()
IO = ui:getIO()
 
editor = ImGuiTextEditor.new()
editor:setLanguageDefinition(editor:getLanguageLua())
editor:setPalette(editor:getPaletteDark())
editor:setText([[local a = 10
local b = 20
c = a * b
print(c)]])
 
function onEnterFrame(e)
	ui:newFrame(e.deltaTime)
 
	ui:setNextWindowSize(IO:getDisplaySize())
	ui:setNextWindowPos(0, 0, ImGui.Cond_Always)
	ui:beginWindow("Main window", nil, ImGui.WindowFlags_NoResize | ImGui.WindowFlags_NoMove | ImGui.WindowFlags_NoDecoration)
	editor:render("ID", -1, -1)
	ui:endWindow()
 
	ui:render()
	ui:endFrame()
end
 
function onAppResize()
	local a,b,c,d = application:getLogicalBounds()
	ui:setPosition(a, b)
	IO:setDisplaySize(c - a, d - b)	
end
 
onAppResize()
stage:addChild(ui)
stage:addEventListener("enterFrame", onEnterFrame)
stage:addEventListener("applicationResize", onAppResize)

rrraptor · January 2022

And here is a source from this video:

https://forum.giderosmobile.com/uploads/editor/i1/m21v5510h9bg.zip

rrraptor · January 2022

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rrraptor · January 2022

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rrraptor · January 2022

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rrraptor · January 2022

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rrraptor · January 2022

For whatever reason I got an error on comment submit, but it turns out that is was submited xD

rrraptor · January 2022

hgy29 said:

rrraptor said:

@hgy29 is there a way to debug plugins?)
Yes, you can do that in QtCreator, just open the plug-in project and the player project, compile everything in debug mode, put breakpoints and launch the player in debug run

Ok, so I have debug version of GiderosPlayer:

It runs from QT Creator:

But debugger does not hit any breakpoint. Im probably missing something important

rrraptor · January 2022

Ah, my mistake

I used "run" command instead of "Start debugger"

rrraptor · January 2022

Updated to 1.86
Added ImGuiListClipper
Changed IM_ASSERT to be able to throw errors to Gideros output window:

But not every error have its own descrition, sometimes it can be somthing like:

[2483] ..\Gideros_ImGui\imgui_src\imgui.cpp: table->RowPosY1 == StartPosY && table->RowPosY2 == window->DC.CursorPos.y

https://github.com/gideros/gideros/pull/518

SinisterSoft · January 2022

@rrraptor Has getWindowContentRegionWidth() been removed?

rrraptor · January 2022

SinisterSoft said:
@rrraptor Has getWindowContentRegionWidth() been removed?

Yes, in 1.85. It says that can be replaced with "GetContentRegionAvail"

keszegh · January 2022

crashing error in new gideros version:
[7803] ../Common/imgui_src/imgui.cpp: id != window->ID && "Cannot have an empty ID at the root of a window. If you need an empty label, use ## and read the FAQ about how the ID Stack works!"

at line:
fxCurr, isDone = imgui:combo("", fxCurr-1, self.fxNameArray)

EDIT:
changing to
fxCurr, isDone = imgui:combo("##", fxCurr-1, self.fxNameArray)
makes it work.

rrraptor · January 2022

keszegh said:
crashing error in new gideros version:
[7803] ../Common/imgui_src/imgui.cpp: id != window->ID && "Cannot have an empty ID at the root of a window. If you need an empty label, use ## and read the FAQ about how the ID Stack works!"

at line:
fxCurr, isDone = imgui:combo("", fxCurr-1, self.fxNameArray)

EDIT:
changing to
fxCurr, isDone = imgui:combo("##", fxCurr-1, self.fxNameArray)
makes it work.

It is recommended to use "##ID" where ID is any string (preferably unique). It wont be visible as label.

https://github.com/ocornut/imgui/blob/master/docs/FAQ.md#qa-usage

The problem with "##" might be:

Button("OK");
Button("OK");      -- ERROR: ID collision with the first button! Interacting with either button will trigger the first one.

SinisterSoft · January 2022

Yes, "" crashed for me BEFORE the Lua to Luau switch. ## works.

rrraptor · January 2022

They are reworking inputs API, interesting

https://github.com/ocornut/imgui/blob/4fb0c1f9639679402ea005ec70b807d96a072505/imgui.cpp#L387

keszegh · January 2022

@rrraptor , something happened with scrolling with mouse. i'm doing it manually. the below code works fine on last 2021 version but it does not work in 2022.2 version:

stage:addEventListener(Event.MOUSE_WHEEL, self.onTouch,self)
 
function DrawScene:onTouch(event)               
  local IO=gui.IO    
 
  if event.type=="mouseWheel" then      
    IO:setMouseWheel(event.wheel/300)
    IO:setMousePos(event.x/imgui_scaling,event.y/imgui_scaling)            
    return    
  end
end

rrraptor · January 2022

keszegh said:

@rrraptor , something happened with scrolling with mouse. i'm doing it manually. the below code works fine on last 2021 version but it does not work in 2022.2 version:

stage:addEventListener(Event.MOUSE_WHEEL, self.onTouch,self)
 
function DrawScene:onTouch(event)               
  local IO=gui.IO    
 
  if event.type=="mouseWheel" then      
    IO:setMouseWheel(event.wheel/300)
    IO:setMousePos(event.x/imgui_scaling,event.y/imgui_scaling)            
    return    
  end
end

Yeah, I know, will check later.

rrraptor · January 2022

@hgy29 mouse whell gives incorrect y position value. It is equals to X value.

stage:addEventListener("mouseHover", function(e)
	print("Hover:", e.x, e.y)
end)
stage:addEventListener("mouseWheel", function(e)
	print("Wheel:", e.x, e.y)
end)

Outputs:

Hover: 148 453
Hover: 147 453
Wheel: 147 147
Hover: 148 453
Hover: 149 453

keszegh · January 2022

@hgy29 , @rrraptor , the mouse wheel issue is corrected? in the build you've sent it does not seem so.

@rrraptor , the filedialog demo on your github is not compatible with latest imgui class.

rrraptor · February 2022

keszegh said:
@hgy29 , @rrraptor , the mouse wheel issue is corrected? in the build you've sent it does not seem so.

Ive checked all commits, but didnt notice anything related to mouse inputs...

keszegh said:
@rrraptor , the filedialog demo on your github is not compatible with latest imgui class.

Ok, Ill check.

hgy29 · February 2022

keszegh said:
@hgy29 , @rrraptor , the mouse wheel issue is corrected? in the build you've sent it does not seem so.

Fixed it this morning, x coordinate was sent in place of y.

keszegh · February 2022

hgy29 said:

keszegh said:
@hgy29 , @rrraptor , the mouse wheel issue is corrected? in the build you've sent it does not seem so.
Fixed it this morning, x coordinate was sent in place of y.

ty. i think this alone makes it worth to make a new build.

keszegh · February 2022

@rrraptor , also the file dialog demo does not seem to work on mac export, i think mostly due to /\-related stuff in paths.

rrraptor · May 2022

Updating to 1.87. Everything should work as before except for few things (removed some functions). All "navigation" spicific functions removed temporarly.
Maybe someone can test?

keszegh · May 2022

rrraptor said:
Updating to 1.87. Everything should work as before except for few things (removed some functions). All "navigation" spicific functions removed temporarly.
Maybe someone can test?

i may in a few days. the dll is on GitHub as usual?

rrraptor · May 2022

keszegh said:
i may in a few days. the dll is on GitHub as usual?

Yes

MoKaLux · May 2022

I may test as well

Thank you rrraptor

keszegh · May 2022

rrraptor said:

keszegh said:
i may in a few days. the dll is on GitHub as usual?
Yes

sorry, i'm stuck with a backup machine with win7 not running gideros for the next 1-2 weeks (i hope not longer). i will test as soon as my setup is back to normal.

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