main-opengl.xml

<?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?>

<glsl_hacker>
	
  <window name="win3d01" title="ImGui > Lot of Windows > OpenGL" 
          width="1280" height="720" resizable="1" menubar="1" 
          gl_version_major="2" gl_version_minor="1"  />


  
  
	<script name="init_scene" run_mode="INIT" >
		<raw_data><![CDATA[	

local demo_dir = gh_utils.get_demo_dir()
local lib_dir = gh_utils.get_scripting_libs_dir() 		

-- ImGui constants.
dofile(lib_dir .. "lua/imgui.lua")


winW, winH = gh_window.getsize()

gh_imgui.init()

bkg_color = {r=0.2, g=0.2, b=0.2, a=1.0}

gh_renderer.set_vsync(0)



os_info = gh_utils.get_os_info()
renderer_model = gh_renderer.get_renderer_model()
api_name = gh_renderer.get_api_name()
api_version = gh_renderer.get_api_version()
imgui_version = gh_imgui.get_version()

local app_version_major, app_version_minor, app_version_patch, app_version_build = gh_utils.get_app_version()
geexlab_version_str = string.format("%d.%d.%d.%d",  app_version_major, app_version_minor, app_version_patch, app_version_build)


imgui_can_show_metrics_window = 0
if ((app_version_major >= 0) and (app_version_minor >= 25) and (app_version_patch >= 2)) then
  imgui_can_show_metrics_window = 1
end  


		]]></raw_data>
	</script> 


	<script name="terminate_scene" run_mode="TERMINATE" >
		<raw_data><![CDATA[	

gh_imgui.terminate()

		]]></raw_data>
	</script> 

  
	<script name="update_scene" run_mode="FRAME" >
		<raw_data><![CDATA[	

local elapsed_time = gh_utils.get_elapsed_time()
local dt = gh_utils.get_time_step()

gh_renderer.set_viewport(0, 0, winW, winH)
gh_renderer.clear_color_depth_buffers(bkg_color.r, bkg_color.g, bkg_color.b, bkg_color.a, 1.0)





local LEFT_BUTTON = 1
local mouse_left_button = gh_input.mouse_get_button_state(LEFT_BUTTON) 
local RIGHT_BUTTON = 2
local mouse_right_button = gh_input.mouse_get_button_state(RIGHT_BUTTON) 
local mouse_x, mouse_y = gh_input.mouse_get_position()


--[[
local mouse_wheel = 0

local mouse_wheel_delta = gh_input.mouse_get_wheel_delta()
if (mouse_wheel_delta ~= 0) then
  if (mouse_wheel_delta > 0) then
    mouse_wheel = mouse_wheel + 1
  elseif (mouse_wheel_delta < 0) then
    mouse_wheel = mouse_wheel - 1
  end  
end
gh_input.mouse_reset_wheel_delta()
--]]

----------------------------------------------------------------------------
-- ImGui beginning ---------------------------------------------------------
--
gh_imgui.frame_begin_v2(winW, winH, mouse_x, mouse_y, mouse_left_button, mouse_right_button, 0, dt)




-- Flags for window style, window position and window size.
--
local pos_size_flag_always = 1 -- Always set the pos and/or size
local pos_size_flag_once = 2 -- Set the pos and/or size once per runtime session (only the first call with succeed)
local pos_size_flag_first_use_ever = 4  -- Set the pos and/or size if the window has no saved data (if doesn't exist in the .ini file)
local pos_size_flag_appearing = 8  -- Set the pos and/or size if the window is appearing after being hidden/inactive (or the first time)

ImGuiWindowFlags_NoResize = 2 -- Disable user resizing with the lower-right grip
ImGuiWindowFlags_NoMove = 4 -- Disable user moving the window
local window_flags = 6


local window_width = 100
local window_height = 100
local num_windows_y = (winH / window_height) + 1
local num_windows_x = (winW / window_width) + 1
local window_counter = 0




local posy = 5

for y=1, num_windows_y do
  
  local posx = 5

  for x=1, num_windows_x do

    window_counter = window_counter + 1
    local window_name = "window " .. window_counter


    gh_imgui.window_begin(window_name, window_width, window_height, posx, posy, window_flags, pos_size_flag_always, pos_size_flag_always)
    local time_str = string.format("%.1f sec", elapsed_time + window_counter)
    gh_imgui.text_rgba("GeeXLab", 1.0, 1.0, 0.0, 1.0)
    gh_imgui.text_rgba("OpenGL", 0.4, 0.8, 1.0, 1.0)
    gh_imgui.text_rgba("> " .. time_str, 0.4, 0.6, 0.8, 1.0)
    for k=1, 4 do
      local x = window_counter + k
      gh_imgui.text_rgba("K::" .. x, 0.4, 0.6, 0.8, 1.0)
    end
    gh_imgui.window_end()

    posx = posx + window_width + 5

  end

  posy = posy + window_height + 5

end




gh_imgui.window_begin("GeeXLab test", 400, 200, 50, 50, 0, pos_size_flag_once, pos_size_flag_once)
  gh_imgui.text("GeeXLab " .. geexlab_version_str)
  local time_str = string.format("%.1f sec", elapsed_time)
  gh_imgui.text_rgba("Time: " .. time_str, 0.8, 0.8, 0.8, 1.0)
  gh_imgui.text_rgba("Renderer: " .. renderer_model, 1.0, 1.0, 0.0, 1.0)
  gh_imgui.text_rgba("3D API: " .. api_name .. " " .. api_version, 1.0, 0.7, 0.0, 1.0)
  --gh_imgui.text("OS: " .. os_info)
  gh_imgui.text_rgba("ImGui version: " .. imgui_version, 0.7, 0.7, 0.7, 1.0)
gh_imgui.window_end()



if (imgui_can_show_metrics_window) then
  gh_imgui.show_metrics_window()
end



gh_imgui.frame_end()

--
-- ImGui end ---------------------------------------------------------------
----------------------------------------------------------------------------



		]]></raw_data>
	</script> 
	

	<script name="resize_scene" run_mode="SIZE" >
		<raw_data><![CDATA[	

winW, winH = gh_window.getsize(0)


		]]></raw_data>
	</script> 
  


  
  
</glsl_hacker>