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ImGui cursors, clipboard, TTF font & fixes

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This commit is contained in:
Luke Street
2021-05-25 09:36:58 -04:00
parent 4b4e991c39
commit 0fb21ece35
7 changed files with 88 additions and 24 deletions
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88
imgui/ImGuiEngine.cpp
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@@ -1,16 +1,22 @@
#include "ImGuiEngine.hpp"
#include "athena/Compression.hpp"
#include "hecl/Pipeline.hpp"
#include "hecl/VertexBufferPool.hpp"
#include <zeus/CMatrix4f.hpp>
extern "C" const uint8_t NOTO_MONO_FONT[];
extern "C" const size_t NOTO_MONO_FONT_SZ;
extern "C" const size_t NOTO_MONO_FONT_DECOMPRESSED_SZ;
namespace metaforce {
static logvisor::Module Log{"ImGuiEngine"};
struct ImGuiEngine::Input ImGuiEngine::Input;
static boo::IGraphicsDataFactory* m_factory;
static boo::IWindow* m_window;
static boo::ObjToken<boo::IShaderPipeline> ShaderPipeline;
static boo::ObjToken<boo::IGraphicsBufferD> VertexBuffer;
static boo::ObjToken<boo::IGraphicsBufferD> IndexBuffer;
@@ -26,13 +32,33 @@ struct Uniform {
static size_t VertexBufferSize = 5000;
static size_t IndexBufferSize = 5000;
void ImGuiEngine::Initialize(boo::IGraphicsDataFactory* factory, const boo::SWindowRect& rect, float scale) {
const char* getClipboardText(void* userData) {
static ImVector<char> ClipboardBuf;
size_t sz = 0;
const auto data = static_cast<boo::IWindow*>(userData)->clipboardPaste(boo::EClipboardType::String, sz);
ClipboardBuf.resize(sz);
strncpy(ClipboardBuf.Data, reinterpret_cast<const char*>(data.get()), sz);
return ClipboardBuf.Data;
}
void setClipboardText(void* userData, const char* text) {
const auto* data = reinterpret_cast<const uint8_t*>(text);
static_cast<boo::IWindow*>(userData)->clipboardCopy(boo::EClipboardType::String, data, strlen(text));
}
void ImGuiEngine::Initialize(boo::IGraphicsDataFactory* factory, boo::IWindow* window, float scale) {
m_factory = factory;
WindowRect = rect;
m_window = window;
WindowRect = window->getWindowFrame();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset;
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors;
io.GetClipboardTextFn = getClipboardText;
io.SetClipboardTextFn = setClipboardText;
io.ClipboardUserData = window;
io.KeyMap[ImGuiKey_Tab] = 256 + static_cast<int>(boo::ESpecialKey::Tab);
io.KeyMap[ImGuiKey_LeftArrow] = 256 + static_cast<int>(boo::ESpecialKey::Left);
io.KeyMap[ImGuiKey_RightArrow] = 256 + static_cast<int>(boo::ESpecialKey::Right);
@@ -48,16 +74,28 @@ void ImGuiEngine::Initialize(boo::IGraphicsDataFactory* factory, const boo::SWin
io.KeyMap[ImGuiKey_Space] = ' ';
io.KeyMap[ImGuiKey_Enter] = 256 + static_cast<int>(boo::ESpecialKey::Enter);
io.KeyMap[ImGuiKey_Escape] = 256 + static_cast<int>(boo::ESpecialKey::Esc);
io.KeyMap[ImGuiKey_A] = 'A'; // for text edit CTRL+A: select all
io.KeyMap[ImGuiKey_C] = 'C'; // for text edit CTRL+C: copy
io.KeyMap[ImGuiKey_V] = 'V'; // for text edit CTRL+V: paste
io.KeyMap[ImGuiKey_X] = 'X'; // for text edit CTRL+X: cut
io.KeyMap[ImGuiKey_Y] = 'Y'; // for text edit CTRL+Y: redo
io.KeyMap[ImGuiKey_Z] = 'Z'; // for text edit CTRL+Z: undo
io.KeyMap[ImGuiKey_A] = 'a'; // for text edit CTRL+A: select all
io.KeyMap[ImGuiKey_C] = 'c'; // for text edit CTRL+C: copy
io.KeyMap[ImGuiKey_V] = 'v'; // for text edit CTRL+V: paste
io.KeyMap[ImGuiKey_X] = 'x'; // for text edit CTRL+X: cut
io.KeyMap[ImGuiKey_Y] = 'y'; // for text edit CTRL+Y: redo
io.KeyMap[ImGuiKey_Z] = 'z'; // for text edit CTRL+Z: undo
auto* fontData = new uint8_t[NOTO_MONO_FONT_DECOMPRESSED_SZ];
athena::io::Compression::decompressZlib(NOTO_MONO_FONT, NOTO_MONO_FONT_SZ, fontData,
NOTO_MONO_FONT_DECOMPRESSED_SZ);
int width = 0;
int height = 0;
unsigned char* pixels = nullptr;
ImFontConfig fontConfig{};
fontConfig.FontData = fontData;
fontConfig.FontDataSize = NOTO_MONO_FONT_DECOMPRESSED_SZ;
fontConfig.SizePixels = std::floor(14.f * scale);
fontConfig.OversampleH = 2;
snprintf(fontConfig.Name, sizeof(fontConfig.Name), "Noto Mono Regular, %dpx",
static_cast<int>(fontConfig.SizePixels));
io.Fonts->AddFont(&fontConfig);
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
factory->commitTransaction([&](boo::IGraphicsDataFactory::Context& ctx) {
ShaderPipeline = hecl::conv->convert(Shader_ImGuiShader{});
@@ -70,6 +108,8 @@ void ImGuiEngine::Initialize(boo::IGraphicsDataFactory* factory, const boo::SWin
return true;
} BooTrace);
io.Fonts->SetTexID(ImGuiAtlas.get());
ImGui::GetStyle().ScaleAllSizes(scale);
}
void ImGuiEngine::Shutdown() {
@@ -81,10 +121,9 @@ void ImGuiEngine::Shutdown() {
void ImGuiEngine::Begin(float dt, float scale) {
ImGuiIO& io = ImGui::GetIO();
io.DeltaTime = dt;
io.DisplaySize.x = WindowRect.size[0];
io.DisplaySize.y = WindowRect.size[1];
io.DisplaySize.x = static_cast<float>(WindowRect.size[0]);
io.DisplaySize.y = static_cast<float>(WindowRect.size[1]);
io.DisplayFramebufferScale = ImVec2{scale, scale};
io.FontGlobalScale = scale;
if (Input.m_mouseIn) {
io.MousePos = ImVec2{static_cast<float>(Input.m_mousePos.pixel[0]),
static_cast<float>(WindowRect.size[1] - Input.m_mousePos.pixel[1])};
@@ -115,6 +154,33 @@ void ImGuiEngine::Begin(float dt, float scale) {
ImGuiWindowCallback::m_mouseCaptured = io.WantCaptureMouse;
ImGuiWindowCallback::m_keyboardCaptured = io.WantCaptureKeyboard;
switch (ImGui::GetMouseCursor()) {
default:
m_window->setCursor(boo::EMouseCursor::Pointer);
break;
case ImGuiMouseCursor_TextInput:
m_window->setCursor(boo::EMouseCursor::IBeam);
break;
case ImGuiMouseCursor_ResizeNS:
m_window->setCursor(boo::EMouseCursor::VerticalArrow);
break;
case ImGuiMouseCursor_ResizeEW:
m_window->setCursor(boo::EMouseCursor::HorizontalArrow);
break;
case ImGuiMouseCursor_ResizeNESW:
m_window->setCursor(boo::EMouseCursor::BottomLeftArrow);
break;
case ImGuiMouseCursor_ResizeNWSE:
m_window->setCursor(boo::EMouseCursor::BottomRightArrow);
break;
case ImGuiMouseCursor_Hand:
m_window->setCursor(boo::EMouseCursor::Hand);
break;
case ImGuiMouseCursor_NotAllowed:
m_window->setCursor(boo::EMouseCursor::NotAllowed);
break;
}
ImGui::NewFrame();
ImGui::ShowDemoWindow();
}