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ContextGLTest.cpp
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/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
2020, 2021, 2022, 2023, 2024
Vladimír Vondruš <[email protected]>
Copyright © 2018 Jonathan Hale <[email protected]>
Copyright © 2022, 2024 Pablo Escobar <[email protected]>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <limits>
#include <sstream>
#include <Corrade/Containers/StridedArrayView.h>
#include <Corrade/Containers/String.h>
#include <Corrade/Containers/StringStl.h> /** @todo remove when AbstractImporter is <string>-free */
#include <Corrade/PluginManager/Manager.h>
#include <Corrade/TestSuite/Compare/Container.h>
#include <Corrade/Utility/DebugStl.h>
#include <Corrade/Utility/System.h>
#include <Corrade/Utility/Path.h>
#include <Magnum/Magnum.h>
#include <Magnum/DebugTools/CompareImage.h>
#include <Magnum/GL/Framebuffer.h>
#include <Magnum/GL/Renderbuffer.h>
#include <Magnum/GL/RenderbufferFormat.h>
#include <Magnum/GL/OpenGLTester.h>
#include <Magnum/GL/Texture.h>
#include <Magnum/GL/TextureFormat.h>
#include <Magnum/Math/Color.h>
#include <Magnum/Math/Vector3.h>
#include <Magnum/Trade/AbstractImporter.h>
#include <Magnum/Trade/ImageData.h>
#include <Magnum/Image.h>
#include <Magnum/ImageView.h>
#include <Magnum/PixelFormat.h>
#include "Magnum/ImGuiIntegration/Context.hpp"
#include "Magnum/ImGuiIntegration/Widgets.h"
#include "configure.h"
namespace Magnum { namespace ImGuiIntegration { namespace Test { namespace {
using namespace Containers::Literals;
struct InputEvent {
enum class Modifier: Int {
Shift = 1 << 0,
Ctrl = 1 << 1,
Alt = 1 << 2,
Super = 1 << 3
};
typedef Containers::EnumSet<Modifier> Modifiers;
InputEvent(Modifiers modifiers) : _modifiers(modifiers) {}
Modifiers _modifiers;
Modifiers modifiers() { return _modifiers; }
};
enum class PointerEventSource: Int {
Mouse, Touch, Pen
};
enum class Pointer: Int {
Finger, Pen, MouseLeft, MouseMiddle, MouseRight
};
typedef Containers::EnumSet<Pointer> Pointers;
#ifdef CORRADE_TARGET_CLANG
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-function"
#endif
CORRADE_ENUMSET_OPERATORS(Pointers)
#ifdef CORRADE_TARGET_CLANG
#pragma clang diagnostic pop
#endif
struct PointerEvent: public InputEvent {
explicit PointerEvent(PointerEventSource source, Pointer pointer, const Vector2& position, Modifiers modifiers, bool primary = true): InputEvent{modifiers}, _source{source}, _pointer{pointer}, _position{position}, _primary{primary} {}
PointerEventSource _source;
Pointer _pointer;
Vector2 _position;
bool _primary;
/* Used only with ImGui 1.89.5+, compile away on older versions to avoid an
unused member warning on Clang */
#if IMGUI_VERSION_NUM >= 18948
PointerEventSource source() const { return _source; }
#endif
Pointer pointer() const { return _pointer; }
Vector2 position() const { return _position; }
bool isPrimary() const { return _primary; }
};
struct PointerMoveEvent: public InputEvent {
explicit PointerMoveEvent(PointerEventSource source, Containers::Optional<Pointer> pointer, Pointers pointers, const Vector2& position, Modifiers modifiers, bool primary = true): InputEvent{modifiers}, _source{source}, _pointer{pointer}, _pointers{pointers}, _position{position}, _primary{primary} {}
PointerEventSource _source;
Containers::Optional<Pointer> _pointer;
Pointers _pointers;
Vector2 _position;
bool _primary;
/* Used only with ImGui 1.89.5+, compile away on older versions to avoid an
unused member warning on Clang */
#if IMGUI_VERSION_NUM >= 18948
PointerEventSource source() const { return _source; }
#endif
Containers::Optional<Pointer> pointer() const { return _pointer; }
Pointers pointers() const { return _pointers; }
Vector2 position() const { return _position; }
bool isPrimary() const { return _primary; }
};
struct ScrollEvent: public InputEvent {
explicit ScrollEvent(const Vector2& offset, const Vector2& position, Modifiers modifiers): InputEvent{modifiers}, _offset{offset}, _position{position} {}
Vector2 _offset;
Vector2 _position;
Vector2 offset() { return _offset; }
Vector2 position() { return _position; }
};
#ifdef MAGNUM_BUILD_DEPRECATED
enum class Button: Int {
Left, Middle, Right
};
struct MouseEvent: public InputEvent {
typedef Magnum::ImGuiIntegration::Test::Button Button;
MouseEvent(Button button, Vector2i position, Modifiers modifiers) :
InputEvent(modifiers), _button(button), _position(position) {}
Button _button;
Vector2i _position;
Button button() { return _button; }
Vector2i position() { return _position; }
};
struct MouseScrollEvent: public InputEvent {
MouseScrollEvent(Vector2 offset, Vector2i position, Modifiers modifiers) :
InputEvent(modifiers), _offset(offset), _position(position) {}
Vector2 _offset;
Vector2i _position;
Vector2 offset() { return _offset; }
Vector2i position() { return _position; }
};
#endif
struct Application {
enum class Cursor {
Arrow,
Hand,
Hidden,
TextInput,
ResizeAll,
ResizeWE,
ResizeNS,
None = 999
};
void setCursor(Cursor cursor) { currentCursor = cursor; }
Cursor currentCursor = Cursor::None;
};
struct KeyEvent: public InputEvent {
enum class Key: Int {
Unknown,
LeftShift, RightShift, LeftCtrl, RightCtrl,
LeftAlt, RightAlt, LeftSuper, RightSuper,
Enter, Esc,
Up, Down, Left, Right, Home, End,
PageUp, PageDown, Backspace, Insert, Delete,
F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
Space, Tab, Quote, Comma, Period, Minus, Plus, Slash, Percent,
Semicolon, Equal, LeftBracket, RightBracket, Backslash, Backquote,
Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine,
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U,
V, W, X, Y, Z,
CapsLock, ScrollLock, NumLock, PrintScreen, Pause, Menu,
NumZero, NumOne, NumTwo, NumThree, NumFour, NumFive,
NumSix, NumSeven, NumEight, NumNine, NumDecimal, NumDivide,
NumMultiply, NumSubtract, NumAdd, NumEnter, NumEqual,
};
KeyEvent(Key key, Modifiers modifiers) :
InputEvent(modifiers), _key(key) {}
Key _key;
Key key() { return _key; }
};
struct TextInputEvent {
Containers::ArrayView<const char> text() const { return _text; }
Containers::ArrayView<const char> _text;
};
struct ContextGLTest: GL::OpenGLTester {
explicit ContextGLTest();
void construct();
void constructExistingContext();
void constructExistingContextAddFont();
void constructMove();
void moveAssignEmpty();
void release();
void frame();
void frameZeroSize();
void relayout();
void relayoutDpiChange();
void relayoutDpiChangeCustomFont();
void relayoutZeroSize();
void relayoutRefreshFonts();
void pointerInput();
void pointerInputTooFast();
void scrollInput();
#ifdef MAGNUM_BUILD_DEPRECATED
void mouseInput();
void mouseInputTooFast();
#endif
void keyInput();
void textInput();
void updateCursor();
void multipleContexts();
void drawSetup();
void drawTeardown();
void draw();
void drawCallback();
void drawTexture();
void drawText();
void drawTextColorFont();
void drawScissor();
void drawVertexOffset();
void drawIndexOffset();
private:
PluginManager::Manager<Trade::AbstractImporter> _manager;
GL::Renderbuffer _color{NoCreate};
GL::Framebuffer _framebuffer{NoCreate};
};
ContextGLTest::ContextGLTest() {
addTests({&ContextGLTest::construct,
&ContextGLTest::constructExistingContext,
&ContextGLTest::constructExistingContextAddFont,
&ContextGLTest::constructMove,
&ContextGLTest::moveAssignEmpty,
&ContextGLTest::release,
&ContextGLTest::frame,
&ContextGLTest::frameZeroSize,
&ContextGLTest::relayout,
&ContextGLTest::relayoutDpiChange,
&ContextGLTest::relayoutDpiChangeCustomFont,
&ContextGLTest::relayoutZeroSize,
&ContextGLTest::relayoutRefreshFonts,
&ContextGLTest::pointerInput,
&ContextGLTest::pointerInputTooFast,
&ContextGLTest::scrollInput,
#ifdef MAGNUM_BUILD_DEPRECATED
&ContextGLTest::mouseInput,
&ContextGLTest::mouseInputTooFast,
#endif
&ContextGLTest::keyInput,
&ContextGLTest::textInput,
&ContextGLTest::updateCursor,
&ContextGLTest::multipleContexts});
addTests({&ContextGLTest::draw,
&ContextGLTest::drawCallback,
&ContextGLTest::drawTexture,
&ContextGLTest::drawText,
&ContextGLTest::drawTextColorFont,
&ContextGLTest::drawScissor,
&ContextGLTest::drawVertexOffset,
&ContextGLTest::drawIndexOffset},
&ContextGLTest::drawSetup,
&ContextGLTest::drawTeardown);
GL::Renderer::enable(GL::Renderer::Feature::Blending);
GL::Renderer::setBlendEquation(GL::Renderer::BlendEquation::Add, GL::Renderer::BlendEquation::Add);
GL::Renderer::setBlendFunction(GL::Renderer::BlendFunction::SourceAlpha, GL::Renderer::BlendFunction::OneMinusSourceAlpha);
GL::Renderer::disable(GL::Renderer::Feature::FaceCulling);
GL::Renderer::disable(GL::Renderer::Feature::DepthTest);
GL::Renderer::enable(GL::Renderer::Feature::ScissorTest);
}
void ContextGLTest::construct() {
{
Context c{{}};
CORRADE_VERIFY(c.context());
CORRADE_COMPARE(c.context(), ImGui::GetCurrentContext());
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px [SCALED]"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
MAGNUM_VERIFY_NO_GL_ERROR();
}
MAGNUM_VERIFY_NO_GL_ERROR();
/* Can't test the single-instance assertions because the internal assert
fires every time */
}
void ContextGLTest::constructExistingContext() {
{
ImGuiContext* context = ImGui::CreateContext();
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 0);
Context c{*ImGui::GetCurrentContext(), {}};
MAGNUM_VERIFY_NO_GL_ERROR();
CORRADE_VERIFY(c.context());
CORRADE_COMPARE(c.context(), context);
/* No user-supplied font even though we used a custom context, add
the default one */
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px [SCALED]"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
}
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::constructExistingContextAddFont() {
{
ImGui::CreateContext();
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 0);
ImGui::GetIO().Fonts->AddFontDefault();
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
Context c{*ImGui::GetCurrentContext(), {}};
MAGNUM_VERIFY_NO_GL_ERROR();
/* The user-supplied font should not get overriden, even though it's
the same */
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
}
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::constructMove() {
Context a{{200, 200}};
ImGuiContext* context = a.context();
MAGNUM_VERIFY_NO_GL_ERROR();
CORRADE_VERIFY(context);
CORRADE_COMPARE(ImGui::GetCurrentContext(), context);
Context b{Utility::move(a)};
CORRADE_COMPARE(a.context(), nullptr);
CORRADE_COMPARE(b.context(), context);
/* The texture ID used to be a pointer that had to be relocated. Now it's
just the underlying OpenGL ID that doesn't need to be, nevertheless
let's still check that it's what is expected. */
CORRADE_COMPARE(textureId(b.atlasTexture()), ImGui::GetIO().Fonts->TexID);
CORRADE_COMPARE(ImGui::GetCurrentContext(), context);
Context c{{}};
ImGuiContext* cContext = c.context();
CORRADE_COMPARE(ImGui::GetCurrentContext(), cContext);
c = Utility::move(b);
CORRADE_COMPARE(ImGui::GetCurrentContext(), cContext);
/* The texture ID used to be a pointer that had to be relocated. Now it's
just the underlying OpenGL ID that doesn't need to be, nevertheless
let's still check that it's what is expected. */
CORRADE_COMPARE(textureId(b.atlasTexture()), ImGui::GetIO().Fonts->TexID);
ImGui::SetCurrentContext(c.context());
CORRADE_COMPARE(textureId(c.atlasTexture()), ImGui::GetIO().Fonts->TexID);
/* This should not blow up */
ImGui::SetCurrentContext(cContext);
c.newFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
CORRADE_COMPARE(ImGui::GetCurrentContext(), context);
c.drawFrame();
Utility::System::sleep(1);
/* ImGui doesn't draw anything the first frame so do it twice. */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::moveAssignEmpty() {
Context a{NoCreate};
Context b{{}};
/* Move from empty */
b = Utility::move(a);
CORRADE_COMPARE(b.context(), nullptr);
/* Move into empty */
b = Utility::move(a);
CORRADE_COMPARE(a.context(), nullptr);
/* Move empty into empty */
Context c{NoCreate};
c = Utility::move(a);
CORRADE_COMPARE(a.context(), nullptr);
CORRADE_COMPARE(c.context(), nullptr);
}
void ContextGLTest::release() {
ImGuiContext* context;
{
Context c{{}};
CORRADE_VERIFY(c.context());
CORRADE_COMPARE(ImGui::GetCurrentContext(), c.context());
context = c.release();
CORRADE_COMPARE(ImGui::GetCurrentContext(), context);
CORRADE_COMPARE(c.context(), nullptr);
}
CORRADE_COMPARE(ImGui::GetCurrentContext(), context);
ImGui::DestroyContext(context);
}
void ContextGLTest::frame() {
Context c{{200, 200}, {70, 70}, {350, 350}};
/* ImGui doesn't draw anything the first frame so just do a dummy frame
first in order to have stuff rendered the second and have the loop
actually covered. It's know that ImGui has one frame lag but this seems
different, since the button is rendered in the second frame only. */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
Utility::System::sleep(1);
/* This should render stuff now */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::frameZeroSize() {
Context c{{0, 200}};
/* Again a dummy frame first */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
Utility::System::sleep(1);
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::relayout() {
Context c{{400, 400}};
/* Again a dummy frame first */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px [SCALED]"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
c.relayout({200, 200});
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px [SCALED]"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
Utility::System::sleep(1);
/* This should render stuff now */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::relayoutDpiChange() {
Context c{{400, 400}};
/* Again a dummy frame first */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px [SCALED]"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
c.relayout({200, 200}, {70, 70}, {400, 400});
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px [SCALED]"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 26.0f); /* 2x */
Utility::System::sleep(1);
/* This should render stuff now */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::relayoutDpiChangeCustomFont() {
ImGui::CreateContext();
ImGui::GetIO().Fonts->AddFontDefault();
Context c{*ImGui::GetCurrentContext(), {400, 400}};
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f);
/* Again a dummy frame first */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->GetDebugName(), "ProggyClean.ttf, 13px"_s);
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts[0]->FontSize, 13.0f); /*same */
c.relayout({200, 200}, {70, 70}, {400, 400});
Utility::System::sleep(1);
/* This should render stuff now */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::relayoutZeroSize() {
Context c{{200, 200}};
/* Again a dummy frame first */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
c.relayout({100, 0});
Utility::System::sleep(1);
/* This should render stuff now */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::relayoutRefreshFonts() {
Context c{{200, 200}};
/* Clear the default font and add a new one */
CORRADE_COMPARE(ImGui::GetIO().Fonts->Fonts.size(), 1);
ImGui::GetIO().Fonts->Clear();
ImGui::GetIO().Fonts->AddFontDefault();
/* Relayout should pick that up */
c.relayout({200, 200});
/* Again a dummy frame first */
c.newFrame();
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
Utility::System::sleep(1);
/* This should render stuff now */
c.newFrame();
ImGui::Button("test");
c.drawFrame();
MAGNUM_VERIFY_NO_GL_ERROR();
}
void ContextGLTest::pointerInput() {
Context c{{200, 200}};
/* Pointer mouse mutton */
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
PointerEvent mouseLeft{PointerEventSource::Mouse, Pointer::MouseLeft, {1.5f, 2.25f}, {}};
PointerEvent mouseRight{PointerEventSource::Mouse, Pointer::MouseRight, {3.75f, 4.5f}, {}};
PointerEvent mouseMiddle{PointerEventSource::Mouse, Pointer::MouseMiddle, {5.5f, 6.25f}, {}};
PointerEvent finger{PointerEventSource::Touch, Pointer::Finger, {5.75f, 3.25f}, {}};
PointerEvent pen{PointerEventSource::Pen, Pointer::Pen, {2.75f, 4.5f}, {}};
/* Queued IO events in imgui are propagated to it only during newFrame(),
which means we need to check *after* it gets called. See
mouseInputTooFast() below for more. */
c.handlePointerPressEvent(mouseLeft);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2{ImGui::GetMousePos()}, (Vector2{1.0f, 2.0f}));
c.drawFrame();
c.handlePointerPressEvent(mouseRight);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Right));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{3.0f, 4.0f}));
c.drawFrame();
c.handlePointerPressEvent(mouseMiddle);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Middle));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{5.0f, 6.0f}));
c.drawFrame();
c.handlePointerReleaseEvent(mouseRight);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{3.0f, 4.0f}));
c.drawFrame();
c.handlePointerReleaseEvent(mouseLeft);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{1.0f, 2.0f}));
c.drawFrame();
c.handlePointerReleaseEvent(mouseMiddle);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{5.0f, 6.0f}));
c.drawFrame();
/* Finger and pen should be treated the same as mouse left */
c.handlePointerPressEvent(finger);
Utility::System::sleep(1);
c.newFrame();
/** @todo for some reason, if an extra draw isn't done here, the finger
press isn't recognized correctly, why?! with the source being a mouse
it works, and for the pen below it does as well */
c.drawFrame();
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_TouchScreen);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2{ImGui::GetMousePos()}, (Vector2{5.0f, 3.0f}));
c.drawFrame();
c.handlePointerReleaseEvent(pen);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Pen);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{2.0f, 4.0f}));
c.drawFrame();
/* Pointer movement */
PointerMoveEvent move{PointerEventSource::Mouse, {}, {}, {1.125f, 2.625f}, {}};
c.handlePointerMoveEvent(move);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{1.0f, 2.0f}));
c.drawFrame();
/* Pointer movement where the set of pressed buttons gets larger */
PointerMoveEvent movePress{PointerEventSource::Touch, Pointer::MouseMiddle, Pointer::MouseMiddle, {9.5f, 1.25f}, {}};
c.handlePointerMoveEvent(movePress);
Utility::System::sleep(1);
c.newFrame();
/** @todo for some reason, if an extra draw isn't done here, the finger
press isn't recognized correctly, why?! with the source being a mouse
it works, and above/below for the pen it works as well */
c.drawFrame();
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Middle));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_TouchScreen);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{9.0f, 1.0f}));
c.drawFrame();
/* Pointer movement where the set of pressed buttons gets larger */
PointerMoveEvent movePress2{PointerEventSource::Pen, Pointer::Pen, Pointer::MouseMiddle|Pointer::Pen, {8.5f, 0.25f}, {}};
c.handlePointerMoveEvent(movePress2);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Middle));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Pen);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{8.0f, 0.0f}));
c.drawFrame();
/* Pointer movement where the set of pressed buttons gets smaller */
PointerMoveEvent moveRelease{PointerEventSource::Mouse, Pointer::MouseMiddle, Pointer::Pen, {9.5f, 1.25f}, {}};
c.handlePointerMoveEvent(moveRelease);
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
#if IMGUI_VERSION_NUM >= 18948
CORRADE_COMPARE(ImGui::GetIO().MouseSource, ImGuiMouseSource_Mouse);
#endif
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{9.0f, 1.0f}));
c.drawFrame();
/* Unknown buttons shouldn't be propagated to imgui */
PointerEvent unknownButton{{}, Pointer(666), {1, 2}, {}};
CORRADE_VERIFY(!c.handlePointerPressEvent(unknownButton));
CORRADE_VERIFY(!c.handlePointerReleaseEvent(unknownButton));
/* Non-primary events shouldn't be propagated to imgui. Faking it a bit
here, as in practice mouse events are always primary. */
PointerEvent mouseMiddleSecondary{PointerEventSource::Mouse, Pointer::MouseMiddle, {1.0f, 2.0f}, {}, false};
CORRADE_VERIFY(!c.handlePointerPressEvent(mouseMiddleSecondary));
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{9.0f, 1.0f}));
c.drawFrame();
PointerMoveEvent moveSecondary{PointerEventSource::Mouse, {}, {}, {1.0, 2.0f}, {}, false};
CORRADE_VERIFY(!c.handlePointerMoveEvent(moveSecondary));
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{9.0f, 1.0f}));
c.drawFrame();
}
void ContextGLTest::pointerInputTooFast() {
Context c{{200, 200}};
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
/* It's not reported immediately */
PointerEvent left{{}, Pointer::MouseLeft, {1.0f, 2.0f}, {}};
c.handlePointerPressEvent(left);
c.handlePointerReleaseEvent(left);
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
/* Only during the newFrame call */
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
c.drawFrame();
/* And mouse up is reported in the next one */
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
c.drawFrame();
}
void ContextGLTest::scrollInput() {
Context c{{200, 200}};
/* Scrolling / mouse wheel */
CORRADE_COMPARE_AS(ImGui::GetIO().MouseWheelH, 0.0f, Float);
CORRADE_COMPARE_AS(ImGui::GetIO().MouseWheel, 0.0f, Float);
ScrollEvent scroll{{1.2f, -1.2f}, {17.2f, 23.5f}, {}};
c.handleScrollEvent(scroll);
Utility::System::sleep(1);
c.newFrame();
c.drawFrame();
c.newFrame();
/* ImGui floors the positions internally, so the fraction gets lost */
CORRADE_COMPARE(Vector2{ImGui::GetMousePos()}, (Vector2{17.0f, 23.0f}));
CORRADE_COMPARE_AS(ImGui::GetIO().MouseWheelH, 1.2f, Float);
CORRADE_COMPARE_AS(ImGui::GetIO().MouseWheel, -1.2f, Float);
c.drawFrame();
}
#ifdef MAGNUM_BUILD_DEPRECATED
void ContextGLTest::mouseInput() {
Context c{{200, 200}};
/* Mouse Button */
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
MouseEvent left{Button::Left, {1, 2}, {}};
MouseEvent right{Button::Right, {3, 4}, {}};
MouseEvent middle{Button::Middle, {5, 6}, {}};
/* Queued IO events in imgui are propagated to it only during newFrame(),
which means we need to check *after* it gets called. See
mouseInputTooFast() below for more. */
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMousePressEvent(left);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{1.0f, 2.0f}));
c.drawFrame();
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMousePressEvent(right);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Right));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{3.0f, 4.0f}));
c.drawFrame();
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMousePressEvent(middle);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(ImGui::IsMouseDown(ImGuiMouseButton_Middle));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{5.0f, 6.0f}));
c.drawFrame();
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMouseReleaseEvent(right);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Right));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{3.0f, 4.0f}));
c.drawFrame();
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMouseReleaseEvent(left);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Left));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{1.0f, 2.0f}));
c.drawFrame();
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMouseReleaseEvent(middle);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_VERIFY(!ImGui::IsMouseDown(ImGuiMouseButton_Middle));
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{5.0f, 6.0f}));
c.drawFrame();
/* Mouse Movement */
MouseEvent move{Button{}, {1, 2}, {}};
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMouseMoveEvent(move);
CORRADE_IGNORE_DEPRECATED_POP
Utility::System::sleep(1);
c.newFrame();
CORRADE_COMPARE(Vector2(ImGui::GetMousePos()), (Vector2{1.0f, 2.0f}));
c.drawFrame();
/* Scrolling/Mouse Wheel */
CORRADE_COMPARE_AS(ImGui::GetIO().MouseWheelH, 0.0f, Float);
CORRADE_COMPARE_AS(ImGui::GetIO().MouseWheel, 0.0f, Float);
MouseScrollEvent scroll{{1.2f, -1.2f}, {17, 23}, {}};
CORRADE_IGNORE_DEPRECATED_PUSH
c.handleMouseScrollEvent(scroll);
CORRADE_IGNORE_DEPRECATED_POP