Switching to my turbo badger fork.
This commit is contained in:
Ben Vanik
478
src/xenia/ui/elemental_control.cc
Normal file
478
src/xenia/ui/elemental_control.cc
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@@ -0,0 +1,478 @@
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/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2015 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/ui/elemental_control.h"
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#include "el/animation_manager.h"
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#include "el/elemental_forms.h"
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#include "el/text/font_manager.h"
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#include "xenia/base/assert.h"
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#include "xenia/base/clock.h"
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#include "xenia/base/logging.h"
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namespace xe {
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namespace ui {
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constexpr bool kContinuousRepaint = false;
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// Enables long press behaviors (context menu, etc).
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constexpr bool kTouch = false;
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constexpr uint64_t kDoubleClickDelayMillis = 600;
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constexpr double kDoubleClickDistance = 5;
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constexpr int32_t kMouseWheelDetent = 120;
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class RootElement : public el::Element {
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public:
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RootElement(ElementalControl* owner) : owner_(owner) {}
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void OnInvalid() override { owner_->Invalidate(); }
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private:
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ElementalControl* owner_ = nullptr;
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};
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bool ElementalControl::InitializeElemental(el::graphics::Renderer* renderer) {
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static bool has_initialized = false;
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if (has_initialized) {
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return true;
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}
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has_initialized = true;
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if (!el::Initialize(
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renderer,
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"third_party/turbobadger/resources/language/lng_en.tb.txt")) {
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XELOGE("Failed to initialize turbobadger core");
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return false;
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}
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// Load the default skin, and override skin that contains the graphics
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// specific to the demo.
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if (!el::Skin::get()->Load(
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"third_party/elemental-forms/resources/default_skin/skin.tb.txt",
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"third_party/elemental-forms/testbed/resources/skin/skin.tb.txt")) {
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XELOGE("Failed to load turbobadger skin");
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return false;
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}
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// Register font renderers.
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#ifdef EL_FONT_RENDERER_TBBF
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void register_tbbf_font_renderer();
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register_tbbf_font_renderer();
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#endif
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#ifdef EL_FONT_RENDERER_STB
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void register_stb_font_renderer();
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register_stb_font_renderer();
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#endif
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#ifdef EL_FONT_RENDERER_FREETYPE
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void register_freetype_font_renderer();
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register_freetype_font_renderer();
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#endif
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auto font_manager = el::text::FontManager::get();
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// Add fonts we can use to the font manager.
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#if defined(EL_FONT_RENDERER_STB) || defined(EL_FONT_RENDERER_FREETYPE)
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font_manager->AddFontInfo("third_party/elemental-forms/resources/vera.ttf",
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"Default");
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#endif
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#ifdef EL_FONT_RENDERER_TBBF
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font_manager->AddFontInfo(
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"third_party/elemental-forms/resources/default_font/"
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"segoe_white_with_shadow.tb.txt",
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"Default");
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#endif
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// Set the default font description for elements to one of the fonts we just
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// added.
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el::FontDescription fd;
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fd.set_id(TBIDC("Default"));
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fd.set_size(el::Skin::get()->dimension_converter()->DpToPx(14));
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font_manager->set_default_font_description(fd);
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// Create the font now.
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auto font =
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font_manager->CreateFontFace(font_manager->default_font_description());
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return true;
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}
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ElementalControl::ElementalControl(Loop* loop, uint32_t flags) : super(flags) {}
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ElementalControl::~ElementalControl() = default;
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bool ElementalControl::Create() {
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if (!super::Create()) {
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return false;
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}
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// Create subclass renderer (GL, etc).
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renderer_ = CreateRenderer();
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// Initialize elemental.
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// TODO(benvanik): once? Do we care about multiple controls?
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if (!InitializeElemental(renderer_.get())) {
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XELOGE("Unable to initialize turbobadger");
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return false;
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}
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// TODO(benvanik): setup elements.
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root_element_ = std::make_unique<RootElement>(this);
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root_element_->set_background_skin(TBIDC("background"));
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root_element_->set_rect({0, 0, 1000, 1000});
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// Block animations during init.
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el::AnimationBlocker anim_blocker;
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// TODO(benvanik): dummy UI.
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auto message_window = new el::MessageWindow(root_element(), TBIDC(""));
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message_window->Show("Title", "Hello!");
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// el::ShowDebugInfoSettingsWindow(root_element());
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return true;
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}
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void ElementalControl::Destroy() {
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el::Shutdown();
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super::Destroy();
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}
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void ElementalControl::OnLayout(UIEvent& e) {
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super::OnLayout(e);
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if (!root_element()) {
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return;
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}
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// TODO(benvanik): subregion?
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root_element()->set_rect({0, 0, width(), height()});
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}
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void ElementalControl::OnPaint(UIEvent& e) {
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super::OnPaint(e);
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if (!root_element()) {
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return;
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}
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++frame_count_;
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++fps_frame_count_;
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uint64_t now_ns = xe::Clock::QueryHostSystemTime();
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if (now_ns > fps_update_time_ + 1000 * 10000) {
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fps_ = uint32_t(fps_frame_count_ /
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(double(now_ns - fps_update_time_) / 10000000.0));
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fps_update_time_ = now_ns;
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fps_frame_count_ = 0;
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}
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// Update TB (run animations, handle deferred input, etc).
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el::AnimationManager::Update();
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root_element()->InvokeProcessStates();
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root_element()->InvokeProcess();
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renderer()->BeginPaint(width(), height());
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// Render entire control hierarchy.
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root_element()->InvokePaint(el::Element::PaintProps());
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// Render debug overlay.
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root_element()->computed_font()->DrawString(
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5, 5, el::Color(255, 0, 0),
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el::format_string("Frame %lld", frame_count_));
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if (kContinuousRepaint) {
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root_element()->computed_font()->DrawString(
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5, 20, el::Color(255, 0, 0), el::format_string("FPS: %d", fps_));
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}
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renderer()->EndPaint();
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// If animations are running, reinvalidate immediately.
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if (el::AnimationManager::has_running_animations()) {
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root_element()->Invalidate();
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}
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if (kContinuousRepaint) {
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// Force an immediate repaint, always.
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root_element()->Invalidate();
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}
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}
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void ElementalControl::OnGotFocus(UIEvent& e) { super::OnGotFocus(e); }
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void ElementalControl::OnLostFocus(UIEvent& e) {
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super::OnLostFocus(e);
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modifier_shift_pressed_ = false;
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modifier_cntrl_pressed_ = false;
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modifier_alt_pressed_ = false;
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modifier_super_pressed_ = false;
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last_click_time_ = 0;
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}
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el::ModifierKeys ElementalControl::GetModifierKeys() {
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auto modifiers = el::ModifierKeys::kNone;
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if (modifier_shift_pressed_) {
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modifiers |= el::ModifierKeys::kShift;
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}
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if (modifier_cntrl_pressed_) {
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modifiers |= el::ModifierKeys::kCtrl;
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}
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if (modifier_alt_pressed_) {
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modifiers |= el::ModifierKeys::kAlt;
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}
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if (modifier_super_pressed_) {
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modifiers |= el::ModifierKeys::kSuper;
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}
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return modifiers;
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}
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void ElementalControl::OnKeyPress(KeyEvent& e, bool is_down) {
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if (!root_element()) {
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return;
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}
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auto special_key = el::SpecialKey::kUndefined;
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switch (e.key_code()) {
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case 38:
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special_key = el::SpecialKey::kUp;
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break;
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case 39:
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special_key = el::SpecialKey::kRight;
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break;
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case 40:
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special_key = el::SpecialKey::kDown;
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break;
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case 37:
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special_key = el::SpecialKey::kLeft;
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break;
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case 112:
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special_key = el::SpecialKey::kF1;
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break;
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case 113:
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special_key = el::SpecialKey::kF2;
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break;
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case 114:
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special_key = el::SpecialKey::kF3;
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break;
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case 115:
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special_key = el::SpecialKey::kF4;
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break;
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case 116:
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special_key = el::SpecialKey::kF5;
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break;
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case 117:
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special_key = el::SpecialKey::kF6;
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break;
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case 118:
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special_key = el::SpecialKey::kF7;
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break;
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case 119:
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special_key = el::SpecialKey::kF8;
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break;
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case 120:
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special_key = el::SpecialKey::kF9;
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break;
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case 121:
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special_key = el::SpecialKey::kF10;
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break;
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case 122:
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special_key = el::SpecialKey::kF11;
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break;
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case 123:
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special_key = el::SpecialKey::kF12;
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break;
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case 33:
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special_key = el::SpecialKey::kPageUp;
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break;
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case 34:
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special_key = el::SpecialKey::kPageDown;
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break;
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case 36:
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special_key = el::SpecialKey::kHome;
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break;
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case 35:
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special_key = el::SpecialKey::kEnd;
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break;
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case 45:
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special_key = el::SpecialKey::kInsert;
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break;
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case 9:
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special_key = el::SpecialKey::kTab;
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break;
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case 46:
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special_key = el::SpecialKey::kDelete;
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break;
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case 8:
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special_key = el::SpecialKey::kBackspace;
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break;
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case 13:
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special_key = el::SpecialKey::kEnter;
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break;
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case 27:
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special_key = el::SpecialKey::kEsc;
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break;
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case 93:
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if (!is_down && el::Element::focused_element) {
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el::Event ev(el::EventType::kContextMenu);
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ev.modifierkeys = GetModifierKeys();
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el::Element::focused_element->InvokeEvent(ev);
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e.set_handled(true);
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return;
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}
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break;
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case 16:
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modifier_shift_pressed_ = is_down;
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break;
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case 17:
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modifier_cntrl_pressed_ = is_down;
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break;
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// case xx:
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// // alt ??
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// modifier_alt_pressed_ = is_down;
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// break;
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case 91:
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modifier_super_pressed_ = is_down;
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break;
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}
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if (!CheckShortcutKey(e, special_key, is_down)) {
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e.set_handled(root_element()->InvokeKey(
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special_key != el::SpecialKey::kUndefined ? e.key_code() : 0,
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special_key, GetModifierKeys(), is_down));
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}
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}
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bool ElementalControl::CheckShortcutKey(KeyEvent& e, el::SpecialKey special_key,
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bool is_down) {
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bool shortcut_key = modifier_cntrl_pressed_;
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if (!el::Element::focused_element || !is_down || !shortcut_key) {
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return false;
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}
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bool reverse_key = modifier_shift_pressed_;
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int upper_key = e.key_code();
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if (upper_key >= 'a' && upper_key <= 'z') {
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upper_key += 'A' - 'a';
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}
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el::TBID id;
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if (upper_key == 'X') {
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id = TBIDC("cut");
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} else if (upper_key == 'C' || special_key == el::SpecialKey::kInsert) {
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id = TBIDC("copy");
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} else if (upper_key == 'V' ||
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(special_key == el::SpecialKey::kInsert && reverse_key)) {
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id = TBIDC("paste");
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} else if (upper_key == 'A') {
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id = TBIDC("selectall");
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} else if (upper_key == 'Z' || upper_key == 'Y') {
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bool undo = upper_key == 'Z';
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if (reverse_key) {
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undo = !undo;
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}
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id = undo ? TBIDC("undo") : TBIDC("redo");
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} else if (upper_key == 'N') {
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id = TBIDC("new");
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} else if (upper_key == 'O') {
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id = TBIDC("open");
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} else if (upper_key == 'S') {
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id = TBIDC("save");
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} else if (upper_key == 'W') {
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id = TBIDC("close");
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} else if (special_key == el::SpecialKey::kPageUp) {
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id = TBIDC("prev_doc");
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} else if (special_key == el::SpecialKey::kPageDown) {
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id = TBIDC("next_doc");
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} else {
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return false;
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}
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el::Event ev(el::EventType::kShortcut);
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ev.modifierkeys = GetModifierKeys();
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ev.ref_id = id;
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if (!el::Element::focused_element->InvokeEvent(ev)) {
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return false;
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}
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e.set_handled(true);
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return true;
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}
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void ElementalControl::OnKeyDown(KeyEvent& e) {
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super::OnKeyDown(e);
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OnKeyPress(e, true);
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}
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void ElementalControl::OnKeyUp(KeyEvent& e) {
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super::OnKeyUp(e);
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OnKeyPress(e, false);
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}
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void ElementalControl::OnMouseDown(MouseEvent& e) {
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super::OnMouseDown(e);
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if (!root_element()) {
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return;
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}
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// TODO(benvanik): more button types.
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if (e.button() == MouseEvent::Button::kLeft) {
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// Simulated click count support.
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// TODO(benvanik): move into Control?
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uint64_t now = xe::Clock::QueryHostUptimeMillis();
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if (now < last_click_time_ + kDoubleClickDelayMillis) {
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double distance_moved = std::sqrt(std::pow(e.x() - last_click_x_, 2.0) +
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std::pow(e.y() - last_click_y_, 2.0));
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if (distance_moved < kDoubleClickDistance) {
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++last_click_counter_;
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} else {
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last_click_counter_ = 1;
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}
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} else {
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last_click_counter_ = 1;
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}
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last_click_x_ = e.x();
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last_click_y_ = e.y();
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last_click_time_ = now;
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e.set_handled(root_element()->InvokePointerDown(
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e.x(), e.y(), last_click_counter_, GetModifierKeys(), kTouch));
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}
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}
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void ElementalControl::OnMouseMove(MouseEvent& e) {
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super::OnMouseMove(e);
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if (!root_element()) {
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return;
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}
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root_element()->InvokePointerMove(e.x(), e.y(), GetModifierKeys(), kTouch);
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e.set_handled(true);
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}
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void ElementalControl::OnMouseUp(MouseEvent& e) {
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super::OnMouseUp(e);
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if (!root_element()) {
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return;
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}
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if (e.button() == MouseEvent::Button::kLeft) {
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e.set_handled(root_element()->InvokePointerUp(e.x(), e.y(),
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GetModifierKeys(), kTouch));
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} else if (e.button() == MouseEvent::Button::kRight) {
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root_element()->InvokePointerMove(e.x(), e.y(), GetModifierKeys(), kTouch);
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if (el::Element::hovered_element) {
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int x = e.x();
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int y = e.y();
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el::Element::hovered_element->ConvertFromRoot(x, y);
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el::Event ev(el::EventType::kContextMenu, x, y, kTouch,
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GetModifierKeys());
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el::Element::hovered_element->InvokeEvent(ev);
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}
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e.set_handled(true);
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}
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}
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void ElementalControl::OnMouseWheel(MouseEvent& e) {
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super::OnMouseWheel(e);
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if (!root_element()) {
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return;
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}
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e.set_handled(root_element()->InvokeWheel(
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e.x(), e.y(), e.dx(), -e.dy() / kMouseWheelDetent, GetModifierKeys()));
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}
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} // namespace ui
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} // namespace xe
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