GDExt example: add imgui_markdown

doc/examples/GDExt/CMakeLists.txt

@@ -28,6 +28,13 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(implot)
 
+FetchContent_Declare(
+    imgui_markdown
+    GIT_REPOSITORY https://github.com/enkisoftware/imgui_markdown
+    GIT_TAG main
+)
+FetchContent_MakeAvailable(imgui_markdown)
+
 add_library(gdexample SHARED)
 target_compile_features(gdexample PRIVATE cxx_std_20)
 target_compile_definitions(gdexample PUBLIC
@@ -45,10 +52,13 @@ target_sources(gdexample PRIVATE
     ${FETCHCONTENT_BASE_DIR}/implot-src/implot_demo.cpp
     ${FETCHCONTENT_BASE_DIR}/implot-src/implot_items.cpp
     ${FETCHCONTENT_BASE_DIR}/implot-src/implot.h
+    ${FETCHCONTENT_BASE_DIR}/imgui_markdown-src/imgui_markdown.h
     src/example.cpp
     src/example.h
     src/register_types.cpp
     src/register_types.h
+    src/gdmarkdown.cpp
+    src/gdmarkdown.h
     )
 
 target_link_libraries(gdexample PUBLIC godot-cpp)
@@ -58,6 +68,7 @@ target_include_directories(gdexample PRIVATE
     ${IMGUI_GODOT_INCLUDE}
     ${FETCHCONTENT_BASE_DIR}/imgui-src
     ${FETCHCONTENT_BASE_DIR}/implot-src
+    ${FETCHCONTENT_BASE_DIR}/imgui_markdown-src
     )
 
 set_property(TARGET gdexample

doc/examples/GDExt/SConstruct

@@ -18,6 +18,11 @@ if not os.path.exists("imgui"):
 if not os.path.exists("implot"):
     subprocess.call("git clone https://github.com/epezent/implot", shell=True)
 
+if not os.path.exists("imgui_markdown"):
+    subprocess.call(
+        "git clone https://github.com/enkisoftware/imgui_markdown", shell=True
+    )
+
 env = SConscript("godot-cpp/SConstruct")
 env = env.Clone()
 
@@ -31,7 +36,10 @@ env.Append(CPPPATH=["imgui", IMGUI_GODOT_INCLUDE])
 
 # ImPlot
 sources += Glob(f"implot/*.cpp")
-env.Append(CPPPATH=["implot", IMGUI_GODOT_INCLUDE])
+env.Append(CPPPATH=["implot"])
+
+# imgui_markdown
+env.Append(CPPPATH=["imgui_markdown"])
 
 if env["platform"] == "macos":
     library = env.SharedLibrary(

doc/examples/GDExt/project/Hack-Bold.ttf.import

@@ -0,0 +1,33 @@
+[remap]
+
+importer="font_data_dynamic"
+type="FontFile"
+uid="uid://geey1pyskdev"
+path="res://.godot/imported/Hack-Bold.ttf-691cdc24fdde9142fc0f47c007a581d0.fontdata"
+
+[deps]
+
+source_file="res://Hack-Bold.ttf"
+dest_files=["res://.godot/imported/Hack-Bold.ttf-691cdc24fdde9142fc0f47c007a581d0.fontdata"]
+
+[params]
+
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
+multichannel_signed_distance_field=false
+msdf_pixel_range=8
+msdf_size=48
+allow_system_fallback=true
+force_autohinter=false
+hinting=1
+subpixel_positioning=1
+oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
+compress=true
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}

doc/examples/GDExt/project/Hack-Italic.ttf.import

@@ -0,0 +1,33 @@
+[remap]
+
+importer="font_data_dynamic"
+type="FontFile"
+uid="uid://ccn210ltcrs6i"
+path="res://.godot/imported/Hack-Italic.ttf-da10696e2f4be4192574d1c950d4085f.fontdata"
+
+[deps]
+
+source_file="res://Hack-Italic.ttf"
+dest_files=["res://.godot/imported/Hack-Italic.ttf-da10696e2f4be4192574d1c950d4085f.fontdata"]
+
+[params]
+
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
+multichannel_signed_distance_field=false
+msdf_pixel_range=8
+msdf_size=48
+allow_system_fallback=true
+force_autohinter=false
+hinting=1
+subpixel_positioning=1
+oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
+compress=true
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}

doc/examples/GDExt/project/Hack-Regular.ttf.import

@@ -0,0 +1,33 @@
+[remap]
+
+importer="font_data_dynamic"
+type="FontFile"
+uid="uid://2se0brkpdxhs"
+path="res://.godot/imported/Hack-Regular.ttf-4957220eed9c50075bb4de8b4fadc317.fontdata"
+
+[deps]
+
+source_file="res://Hack-Regular.ttf"
+dest_files=["res://.godot/imported/Hack-Regular.ttf-4957220eed9c50075bb4de8b4fadc317.fontdata"]
+
+[params]
+
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
+multichannel_signed_distance_field=false
+msdf_pixel_range=8
+msdf_size=48
+allow_system_fallback=true
+force_autohinter=false
+hinting=1
+subpixel_positioning=1
+oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
+compress=true
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}

doc/examples/GDExt/project/imgui_config.tres

@@ -0,0 +1,46 @@
+[gd_resource type="Resource" script_class="ImGuiConfig" load_steps=11 format=3 uid="uid://c58buectmbwmf"]
+
+[ext_resource type="Script" path="res://addons/imgui-godot/scripts/ImGuiFont.gd" id="1_0saup"]
+[ext_resource type="FontFile" uid="uid://2se0brkpdxhs" path="res://Hack-Regular.ttf" id="1_7tey3"]
+[ext_resource type="Script" path="res://addons/imgui-godot/scripts/ImGuiConfig.gd" id="1_nq4e5"]
+[ext_resource type="FontFile" uid="uid://geey1pyskdev" path="res://Hack-Bold.ttf" id="3_5fv0r"]
+[ext_resource type="FontFile" uid="uid://ccn210ltcrs6i" path="res://Hack-Italic.ttf" id="4_34el5"]
+
+[sub_resource type="Resource" id="Resource_57j4v"]
+script = ExtResource("1_0saup")
+FontData = ExtResource("1_7tey3")
+FontSize = 16
+Merge = false
+
+[sub_resource type="Resource" id="Resource_4trot"]
+script = ExtResource("1_0saup")
+FontData = ExtResource("3_5fv0r")
+FontSize = 32
+Merge = false
+
+[sub_resource type="Resource" id="Resource_okot8"]
+script = ExtResource("1_0saup")
+FontData = ExtResource("3_5fv0r")
+FontSize = 24
+Merge = false
+
+[sub_resource type="Resource" id="Resource_3knfi"]
+script = ExtResource("1_0saup")
+FontData = ExtResource("3_5fv0r")
+FontSize = 16
+Merge = false
+
+[sub_resource type="Resource" id="Resource_2wpqv"]
+script = ExtResource("1_0saup")
+FontData = ExtResource("4_34el5")
+FontSize = 16
+Merge = false
+
+[resource]
+script = ExtResource("1_nq4e5")
+Fonts = Array[ExtResource("1_0saup")]([SubResource("Resource_57j4v"), SubResource("Resource_4trot"), SubResource("Resource_okot8"), SubResource("Resource_3knfi"), SubResource("Resource_2wpqv")])
+AddDefaultFont = false
+Scale = 1.0
+IniFilename = "user://imgui.ini"
+Renderer = "RenderingDevice"
+Layer = 128

doc/examples/GDExt/project/project.godot

@@ -8,11 +8,16 @@
 
 config_version=5
 
+[addons]
+
+imgui/config="res://imgui_config.tres"
+
 [application]
 
 config/name="GDExt"
 run/main_scene="res://main.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
+run/max_fps=144
 config/icon="res://icon.svg"
 
 [autoload]
@@ -22,6 +27,7 @@ ImGuiRoot="*res://addons/imgui-godot/data/ImGuiRoot.tscn"
 [display]
 
 window/subwindows/embed_subwindows=false
+window/vsync/vsync_mode=0
 
 [editor_plugins]
 

doc/examples/GDExt/src/example.cpp

@@ -1,11 +1,37 @@
 #include "example.h"
+#include "gdmarkdown.h"
 #include <godot_cpp/classes/resource_loader.hpp>
 #include <imgui-godot.h>
 #include <implot.h>
 
 using godot::Engine;
 using godot::ResourceLoader;
 
+static const std::string markdownText = R"(
+# H1 Header
+
+Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
+
+## H2 Header
+
+Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
+
+### H3 Header
+
+  * Item 1
+  * Item 2
+  * Item 3
+
+*Emphasis* and **strong emphasis** change the appearance of the text.
+
+Link: [Godot Engine](https://godotengine.org)
+
+robot eye ![an atlas texture](res://robot_eye.tres)
+
+big robot
+![](res://icon.svg)
+)";
+
 void Example::_bind_methods()
 {
 }
@@ -20,7 +46,13 @@ Example::~Example()
 
 void Example::_ready()
 {
+#ifdef DEBUG_ENABLED
+    if (Engine::get_singleton()->is_editor_hint())
+        return;
+#endif
+
     _img = ResourceLoader::get_singleton()->load("res://robot_eye.tres");
+    ImGui::InitMarkdown();
 }
 
 void Example::_process(double delta)
@@ -40,5 +72,11 @@ void Example::_process(double delta)
     ImGui::Image(_img, {64, 64});
     ImGui::End();
 
+    ImGui::ShowDemoWindow();
+
     ImPlot::ShowDemoWindow();
+
+    ImGui::Begin("Markdown example");
+    ImGui::Markdown(markdownText);
+    ImGui::End();
 }