Working on cursor manager

interface/src/Application.cpp

@@ -57,6 +57,7 @@
 
 #include <AccountManager.h>
 #include <AddressManager.h>
+#include <CursorManager.h>
 #include <AmbientOcclusionEffect.h>
 #include <AudioInjector.h>
 #include <DeferredLightingEffect.h>
@@ -1229,9 +1230,20 @@ void Application::keyPressEvent(QKeyEvent* event) {
                 }
                 break;
 
-            case Qt::Key_Apostrophe:
-                resetSensors();
+            case Qt::Key_Apostrophe: {
+                if (isMeta) {
+                    auto cursor = Cursor::Manager::instance().getCursor();
+                    auto curIcon = cursor->getIcon();
+                    if (curIcon == Cursor::Icon::DEFAULT) {
+                        cursor->setIcon(Cursor::Icon::LINK);
+                    } else {
+                        cursor->setIcon(Cursor::Icon::DEFAULT);
+                    }
+                } else {
+                    resetSensors();
+                }
                 break;
+            }
 
             case Qt::Key_A:
                 if (isShifted) {
@@ -1355,12 +1367,27 @@ void Application::keyPressEvent(QKeyEvent* event) {
             case Qt::Key_Slash:
                 Menu::getInstance()->triggerOption(MenuOption::Stats);
                 break;
-            case Qt::Key_Plus:
-                _myAvatar->increaseSize();
+
+            case Qt::Key_Plus: {
+                if (isMeta && event->modifiers().testFlag(Qt::KeypadModifier)) {
+                    auto& cursorManager = Cursor::Manager::instance();
+                    cursorManager.setScale(cursorManager.getScale() * 1.1f);
+                } else {
+                    _myAvatar->increaseSize();
+                }
                 break;
-            case Qt::Key_Minus:
-                _myAvatar->decreaseSize();
+            }
+
+            case Qt::Key_Minus: {
+                if (isMeta && event->modifiers().testFlag(Qt::KeypadModifier)) {
+                    auto& cursorManager = Cursor::Manager::instance();
+                    cursorManager.setScale(cursorManager.getScale() / 1.1f);
+                } else {
+                    _myAvatar->decreaseSize();
+                }
                 break;
+            }
+
             case Qt::Key_Equal:
                 _myAvatar->resetSize();
                 break;

interface/src/ui/ApplicationOverlay.cpp

@@ -21,6 +21,7 @@
 #include <GLMHelpers.h>
 #include <PerfStat.h>
 #include <OffscreenUi.h>
+#include <CursorManager.h>
 
 #include "AudioClient.h"
 #include "audio/AudioIOStatsRenderer.h"
@@ -143,7 +144,6 @@ ApplicationOverlay::ApplicationOverlay() :
     _alpha(1.0f),
     _oculusUIRadius(1.0f),
     _trailingAudioLoudness(0.0f),
-    _crosshairTexture(0),
     _previousBorderWidth(-1),
     _previousBorderHeight(-1),
     _previousMagnifierBottomLeft(),
@@ -257,6 +257,18 @@ void with_each_texture(GLuint firstPassTexture, GLuint secondPassTexture, F f) {
     glDisable(GL_TEXTURE_2D);
 }
 
+void ApplicationOverlay::bindCursorTexture(uint8_t cursorIndex) {
+    auto& cursorManager = Cursor::Manager::instance();
+    auto cursor = cursorManager.getCursor(cursorIndex);
+    auto iconId = cursor->getIcon();
+    if (!_cursors.count(iconId)) {
+        auto iconPath = cursorManager.getIconImage(cursor->getIcon());
+        _cursors[iconId] = DependencyManager::get<TextureCache>()->
+            getImageTexture(iconPath);
+    }
+    glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_cursors[iconId]));
+}
+
 // Draws the FBO texture for the screen
 void ApplicationOverlay::displayOverlayTexture() {
     if (_alpha == 0.0f) {
@@ -282,14 +294,10 @@ void ApplicationOverlay::displayOverlayTexture() {
                 glm::vec4(1.0f, 1.0f, 1.0f, _alpha));
         });
 
-        if (!_crosshairTexture) {
-            _crosshairTexture = DependencyManager::get<TextureCache>()->
-                getImageTexture(PathUtils::resourcesPath() + "images/sixense-reticle.png");
-        }
-
+        
         //draw the mouse pointer
         glm::vec2 canvasSize = qApp->getCanvasSize();
-        glm::vec2 mouseSize = 32.0f / canvasSize;
+        glm::vec2 mouseSize = 32.0f / canvasSize * Cursor::Manager::instance().getScale();
         auto mouseTopLeft = topLeft * mouseSize;
         auto mouseBottomRight = bottomRight * mouseSize;
         vec2 mousePosition = vec2(qApp->getMouseX(), qApp->getMouseY());
@@ -300,7 +308,7 @@ void ApplicationOverlay::displayOverlayTexture() {
 
         glEnable(GL_TEXTURE_2D);
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-        glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_crosshairTexture));
+        bindCursorTexture();
         glm::vec4 reticleColor = { RETICLE_COLOR[0], RETICLE_COLOR[1], RETICLE_COLOR[2], 1.0f };
         DependencyManager::get<GeometryCache>()->renderQuad(
             mouseTopLeft + mousePosition, mouseBottomRight + mousePosition, 
@@ -450,18 +458,14 @@ void ApplicationOverlay::displayOverlayTextureStereo(Camera& whichCamera, float
                                                 overlayColor);
     });
     
-    if (!_crosshairTexture) {
-        _crosshairTexture = TextureCache::getImageTexture(PathUtils::resourcesPath() +
-                                                          "images/sixense-reticle.png");
-    }
-    
     //draw the mouse pointer
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glEnable(GL_TEXTURE_2D);
-    glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_crosshairTexture));
+    bindCursorTexture();
     glm::vec2 canvasSize = qApp->getCanvasSize();
-    const float reticleSize = 40.0f / canvasSize.x * quadWidth;
+    const float reticleSize = 40.0f / canvasSize.x * quadWidth *
+        Cursor::Manager::instance().getScale();
     x -= reticleSize / 2.0f;
     y += reticleSize / 2.0f;
     const float mouseX = (qApp->getMouseX() / (float)canvasSize.x) * quadWidth;
@@ -583,16 +587,12 @@ bool ApplicationOverlay::calculateRayUICollisionPoint(const glm::vec3& position,
 
 //Renders optional pointers
 void ApplicationOverlay::renderPointers() {
-    //lazily load crosshair texture
-    if (_crosshairTexture == 0) {
-        _crosshairTexture = TextureCache::getImageTexture(PathUtils::resourcesPath() + "images/sixense-reticle.png");
-    }
     glEnable(GL_TEXTURE_2D);
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
     glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_crosshairTexture));
+    bindCursorTexture();
 
     if (qApp->isHMDMode() && !qApp->getLastMouseMoveWasSimulated() && !qApp->isMouseHidden()) {
         //If we are in oculus, render reticle later
@@ -757,7 +757,7 @@ void ApplicationOverlay::renderPointersOculus() {
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glEnable(GL_TEXTURE_2D);
 
-    glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_crosshairTexture));
+    bindCursorTexture();
     glDisable(GL_DEPTH_TEST);
 
     glMatrixMode(GL_MODELVIEW);

interface/src/ui/ApplicationOverlay.h

@@ -108,6 +108,7 @@ private:
     void renderCameraToggle();
     void renderStatsAndLogs();
     void renderDomainConnectionStatusBorder();
+    void bindCursorTexture(uint8_t cursorId = 0);
 
     TexturedHemisphere _overlays;
     
@@ -127,7 +128,8 @@ private:
     float _trailingAudioLoudness;
 
 
-    gpu::TexturePointer _crosshairTexture;
+    QMap<uint16_t, gpu::TexturePointer> _cursors;
+
     GLuint _newUiTexture{ 0 };
     
     int _reticleQuad;

libraries/ui/src/CursorManager.cpp

@@ -8,25 +8,85 @@
 
 #include "CursorManager.h"
 
+#include <QCursor>
+#include <QWidget>
+#include <QUrl>
+
+#include <PathUtils.h>
+
 namespace Cursor {
-    enum class Source {
-        MOUSE,
-        LEFT_HAND,
-        RIGHT_HAND,
-        UNKNOWN,
+
+    void Instance::setIcon(uint16_t icon) {
+        _icon = icon;
+    }
+
+    uint16_t Instance::getIcon() const {
+        return _icon;
+    }
+
+
+    class MouseInstance : public Instance {
+        Source getType() const {
+            return Source::MOUSE;
+        }
+
+        ivec2 getScreenPosition() const {
+            return toGlm(QCursor::pos());
+        }
+
+        ivec2 getWindowPosition(QWidget* widget) const {
+            return toGlm(widget->mapFromGlobal(QCursor::pos()));
+        }
+
+        vec2 getRelativePosition(QWidget* widget) const {
+            vec2 pos = getWindowPosition(widget);
+            pos /= vec2(toGlm(widget->size()));
+            return pos;
+        }
     };
 
-    class Instance {
-        Source type;
-    };
+    static QMap<uint16_t, QString> ICONS;
+    static uint16_t _customIconId = Icon::USER_BASE;
 
-    class Manager {
-    public:
-        static Manager& instance();
+    Manager::Manager() {
+        ICONS[Icon::DEFAULT] = PathUtils::resourcesPath() + "images/sixense-reticle.png";
+        ICONS[Icon::LINK] = PathUtils::resourcesPath() + "images/reticleLink.png";
+    }
 
-        uint8_t getCount();
-        Instance
-    };
-}
+    Manager& Manager::instance() {
+        static Manager instance;
+        return instance;
+    }
 
+    uint8_t Manager::getCount() {
+        return 1;
+    }
 
+    Instance* Manager::getCursor(uint8_t index) {
+        Q_ASSERT(index < getCount());
+        static MouseInstance mouseInstance;
+        if (index == 0) {
+            return &mouseInstance;
+        }
+        return nullptr;
+    }
+
+    uint16_t Manager::registerIcon(const QString& path) {
+        ICONS[_customIconId] = path;
+        return _customIconId++;
+    }
+
+    const QString& Manager::getIconImage(uint16_t icon) {
+        Q_ASSERT(ICONS.count(icon));
+        return ICONS[icon];
+    }
+
+    float Manager::getScale() {
+        return _scale;
+    }
+
+    void Manager::setScale(float scale) {
+        _scale = scale;
+    }
+
+}

libraries/ui/src/CursorManager.h

@@ -7,6 +7,9 @@
 //
 
 #pragma once
+#include <stdint.h>
+
+#include <GLMHelpers.h>
 
 namespace Cursor {
     enum class Source {
@@ -16,16 +19,42 @@ namespace Cursor {
         UNKNOWN,
     };
 
+    enum Icon {
+        DEFAULT,
+        LINK,
+        GRAB,
+
+        // Add new system cursors here
+
+        // User cursors will have ids over this value
+        USER_BASE = 0xFF,
+    };
+
     class Instance {
-        Source type;
+    public:
+        virtual Source getType() const = 0;
+        virtual ivec2 getWindowPosition(QWidget* widget) const = 0;
+        virtual vec2 getRelativePosition(QWidget* widget) const = 0;
+        virtual ivec2 getScreenPosition() const = 0;
+        virtual void setIcon(uint16_t icon);
+        virtual uint16_t getIcon() const;
+    private:
+        uint16_t _icon;
     };
 
     class Manager {
+        Manager();
+        Manager(const Manager& other) = delete;
     public:
         static Manager& instance();
-
         uint8_t getCount();
-        Instance
+        float getScale();
+        void setScale(float scale);
+        Instance* getCursor(uint8_t index = 0);
+        uint16_t registerIcon(const QString& path);
+        const QString& getIconImage(uint16_t icon);
+    private:
+        float _scale{ 1.0f };
     };
 }