Implement additional gesture modes

src/logid/Actions.cpp

@@ -1,17 +1,59 @@
+#include <unistd.h>
+#include <future>
 #include <hidpp20/Error.h>
 #include <hidpp/SimpleDispatcher.h>
 #include <hidpp20/IAdjustableDPI.h>
 #include <hidpp20/ISmartShift.h>
 #include <hidpp20/IHiresScroll.h>
+#include <cmath>
 
 #include "Actions.h"
 #include "util.h"
 #include "EvdevDevice.h"
 
-KeyAction::KeyAction(const KeyAction &a, Device* d) : ButtonAction(Action::Keypress)
+NoAction* NoAction::copy(Device *dev)
 {
-    device = d;
-    std::copy(a.keys.begin(), a.keys.end(), std::back_inserter(keys));
+    auto action = new NoAction();
+    action->device = dev;
+    return action;
+}
+KeyAction* KeyAction::copy(Device *dev)
+{
+    auto action = new KeyAction(keys);
+    action->device = dev;
+    return action;
+}
+GestureAction* GestureAction::copy(Device* dev)
+{
+    auto action = new GestureAction({});
+    action->device = dev;
+    for(auto it : gestures)
+        action->gestures.insert({it.first, new Gesture(*it.second, dev)});
+    return action;
+}
+SmartshiftAction* SmartshiftAction::copy(Device* dev)
+{
+    auto action = new SmartshiftAction();
+    action->device = dev;
+    return action;
+}
+HiresScrollAction* HiresScrollAction::copy(Device* dev)
+{
+    auto action = new HiresScrollAction();
+    action->device = dev;
+    return action;
+}
+CycleDPIAction* CycleDPIAction::copy(Device* dev)
+{
+    auto action = new CycleDPIAction(dpis);
+    action->device = dev;
+    return action;
+}
+ChangeDPIAction* ChangeDPIAction::copy(Device* dev)
+{
+    auto action = new ChangeDPIAction(dpi_inc);
+    action->device = dev;
+    return action;
 }
 
 void KeyAction::press()
@@ -39,12 +81,54 @@ void GestureAction::move(HIDPP20::IReprogControlsV4::Move m)
 {
     x += m.x;
     y += m.y;
+    if(m.y != 0 && abs(y) > 50)
+    {
+        auto g = gestures.find(m.y > 0 ? Direction::Down : Direction::Up);
+        if(g != gestures.end())
+        {
+            if (g->second->mode == GestureMode::Axis)
+                global_evdev->move_axis(g->second->axis, abs(m.y) * g->second->axis_multiplier);
+            if (g->second->mode == GestureMode::OnFewPixels)
+            {
+                g->second->per_pixel_mod += abs(m.y);
+                if(g->second->per_pixel_mod >= g->second->per_pixel)
+                {
+                    g->second->per_pixel_mod -= g->second->per_pixel;
+                    g->second->action->press();
+                    g->second->action->release();
+                }
+            }
+        }
+    }
+    if(m.x != 0 && abs(x) > 50)
+    {
+        auto g = gestures.find(m.x > 0 ? Direction::Right : Direction::Left);
+        if(g != gestures.end())
+        {
+            if (g->second->mode == GestureMode::Axis)
+                global_evdev->move_axis(g->second->axis, abs(m.x) * g->second->axis_multiplier);
+            if (g->second->mode == GestureMode::OnFewPixels)
+            {
+                g->second->per_pixel_mod += abs(m.x);
+                if (g->second->per_pixel_mod >= g->second->per_pixel)
+                {
+                    g->second->per_pixel_mod -= g->second->per_pixel;
+                    g->second->action->press();
+                    g->second->action->release();
+                }
+            }
+        }
+    }
 }
 
 void GestureAction::release()
 {
     held = false;
-    auto direction = get_direction(x, y);
+    Direction direction;
+    if(abs(x) < 50 && abs(y) < 50) direction = Direction::None;
+    else direction = get_direction(x, y);
+    x = 0;
+    y = 0;
 
     auto g = gestures.find(direction);
 

src/logid/Actions.h

@@ -28,7 +28,8 @@ enum class GestureMode
 {
     NoPress,
     OnRelease,
-    OnFewPixels
+    OnFewPixels,
+    Axis
 };
 
 class Device;
@@ -37,6 +38,7 @@ class ButtonAction
 {
 public:
     Action type;
+    virtual ButtonAction* copy(Device* dev) = 0;
     virtual void press() = 0;
     virtual void release() = 0;
 //    ButtonAction(const ButtonAction &a, Device* d) : type (a.type), device (d) {}
@@ -49,6 +51,7 @@ class NoAction : public ButtonAction
 {
 public:
     NoAction() : ButtonAction(Action::None) {}
+    virtual NoAction* copy(Device* dev);
     virtual void press() {}
     virtual void release() {}
 };
@@ -56,8 +59,7 @@ class KeyAction : public ButtonAction
 {
 public:
     explicit KeyAction(std::vector<unsigned int> k) : ButtonAction(Action::Keypress), keys (std::move(k)) {};
-    KeyAction(const KeyAction &a, Device* d);
-    //virtual KeyAction* create_instance(Device* d) { return new KeyAction(*this, d); };
+    virtual KeyAction* copy(Device* dev);
     virtual void press();
     virtual void release();
 private:
@@ -66,31 +68,42 @@ private:
 class Gesture
 {
 public:
-    Gesture(ButtonAction* ba, GestureMode m, int pp=0) : action (ba), mode (m), per_pixel (pp) {};
-    Gesture(const Gesture &g) : action (g.action), mode (g.mode), per_pixel (g.per_pixel) {};
+    Gesture(ButtonAction* ba, GestureMode m, int pp=0, uint a=0, float am=1)
+           : action (ba), mode (m), per_pixel (pp), axis (a), axis_multiplier (am)
+    {
+    }
+    Gesture(const Gesture &g, Device* dev)
+           : action (g.action->copy(dev)), mode (g.mode), per_pixel (g.per_pixel), axis (g.axis), axis_multiplier (g.axis_multiplier)
+    {
+    }
 
     ButtonAction* action;
-
     GestureMode mode;
     int per_pixel;
+    int per_pixel_mod;
+    uint axis;
+    float axis_multiplier;
 };
+
 class GestureAction : public ButtonAction
 {
 public:
     GestureAction(std::map<Direction, Gesture*> g) : ButtonAction(Action::Gestures), gestures (std::move(g)) {};
     std::map<Direction, Gesture*> gestures;
+    virtual GestureAction* copy(Device* dev);
     virtual void press();
-    void move(HIDPP20::IReprogControlsV4::Move m);
     virtual void release();
+    void move(HIDPP20::IReprogControlsV4::Move m);
 private:
     bool held;
-    int x;
-    int y;
+    int x = 0;
+    int y = 0;
 };
 class SmartshiftAction : public ButtonAction
 {
 public:
     SmartshiftAction() : ButtonAction(Action::ToggleSmartshift) {};
+    virtual SmartshiftAction* copy(Device* dev);
     virtual void press();
     virtual void release() {}
 };
@@ -98,6 +111,7 @@ class HiresScrollAction : public ButtonAction
 {
 public:
     HiresScrollAction() : ButtonAction(Action::ToggleHiresScroll) {};
+    virtual HiresScrollAction* copy(Device* dev);
     virtual void press();
     virtual void release() {}
 };
@@ -105,6 +119,7 @@ class CycleDPIAction : public ButtonAction
 {
 public:
     CycleDPIAction(std::vector<int> d) : ButtonAction(Action::CycleDPI), dpis (d) {};
+    virtual CycleDPIAction* copy(Device* dev);
     virtual void press();
     virtual void release() {}
 private:
@@ -114,6 +129,7 @@ class ChangeDPIAction : public ButtonAction
 {
 public:
     ChangeDPIAction(int i) : ButtonAction(Action::ChangeDPI), dpi_inc (i) {};
+    virtual ChangeDPIAction* copy(Device* dev);
     virtual void press();
     virtual void release() {}
 private:

src/logid/Configuration.cpp

@@ -21,7 +21,7 @@ Configuration::Configuration(const char *config_file)
     }
     catch(const FileIOException &e)
     {
-        log_printf(ERROR, "%s", "I/O Error while reading configuration file!");
+        log_printf(ERROR, "I/O Error while reading configuration file: %s", e.what());
         throw e;
     }
     catch(const ParseException &e)
@@ -69,10 +69,7 @@ DeviceConfig::DeviceConfig(const libconfig::Setting &root)
             throw SettingTypeException(root["dpi"]);
         dpi = new int(d);
     }
-    catch(const SettingNotFoundException &e)
-    {
-        log_printf(INFO, "Missing dpi option, not setting.");
-    }
+    catch(const SettingNotFoundException &e) { }
     catch(const SettingTypeException &e)
     {
         log_printf(WARN, "Line %d: DPI must me an integer; not setting.", root["dpi"].getSourceLine());
@@ -325,6 +322,51 @@ ButtonAction* parse_action(Action type, const Setting* action_config, bool is_ge
                 continue;
             }
 
+            if(mode == GestureMode::Axis)
+            {
+                uint axis;
+                try
+                {
+                    std::string axis_str;
+                    if(!gesture_config.lookupValue("axis", axis_str))
+                        throw SettingTypeException(gesture_config["axis"]);
+                    axis = libevdev_event_code_from_name(EV_REL, axis_str.c_str());
+                }
+                catch(SettingNotFoundException &e)
+                {
+                    log_printf(WARN, "Line %d: No axis found, defaulting to no action.", gesture_config.getSourceLine());
+                    gestures.insert({direction, new Gesture(new NoAction(), GestureMode::NoPress)});
+                    continue;
+                }
+                catch(SettingTypeException &e)
+                {
+                    log_printf(WARN, "Line %d: Axis must be a string (e.g. 'REL_WHEEL')", gesture_config["axis"].getSourceLine());
+                    gestures.insert({direction, new Gesture(new NoAction(), GestureMode::NoPress)});
+                    continue;
+                }
+
+                float multiplier = 1;
+                try
+                {
+                    if(!gesture_config.lookupValue("axis_multiplier", multiplier))
+                    {
+                        int im = 1;
+                        if(!gesture_config.lookupValue("axis_multiplier", im))
+                            throw SettingTypeException(gesture_config["axis_multiplier"]);
+                        multiplier = im;
+                    }
+                }
+                catch(SettingNotFoundException &e) { }
+                catch(SettingTypeException &e)
+                {
+                    log_printf(WARN, "Line %d: axis_multiplier must be a float/integer", gesture_config["axis_multiplier"].getSourceLine());
+                    continue;
+                }
+
+                gestures.insert({direction, new Gesture(new NoAction(), GestureMode::Axis, 0, axis, multiplier)});
+                continue;
+            }
+
             Setting* g_action;
             try { g_action = &gesture_config["action"]; }
             catch(SettingNotFoundException &e)
@@ -414,6 +456,15 @@ ButtonAction* parse_action(Action type, const Setting* action_config, bool is_ge
     return new NoAction();
 }
 
+DeviceConfig::DeviceConfig(DeviceConfig* dc, Device* dev) : baseConfig (false)
+{
+    dpi = dc->dpi;
+    smartshift = dc->smartshift;
+    hiresscroll = dc->hiresscroll;
+    for(auto it : dc->actions)
+        actions.insert( { it.first, it.second->copy(dev) } );
+}
+
 DeviceConfig::DeviceConfig()
 {
     dpi = nullptr;

src/logid/Configuration.h

@@ -14,11 +14,13 @@ class DeviceConfig
 {
 public:
     DeviceConfig();
+    DeviceConfig(DeviceConfig* dc, Device* dev);
     DeviceConfig(const libconfig::Setting& root);
     const int* dpi = nullptr;
     HIDPP20::ISmartShift::SmartshiftStatus* smartshift;
     const uint8_t* hiresscroll = nullptr;
     std::map<uint16_t, ButtonAction*> actions;
+    const bool baseConfig = true;
 };
 
 class Configuration

src/logid/Device.cpp

@@ -40,22 +40,41 @@ Device::Device(std::string p, const HIDPP::DeviceIndex i) : path(std::move(p)),
     else config = global_config->devices.find(name)->second;
 }
 
-void Device::configure(bool scanning)
+void Device::configure()
 {
+    if(config->baseConfig)
+        config = new DeviceConfig(config, this);
+
+    configuring = true;
+    usleep(50000);
+    if(disconnected) {
+        configuring = false; return; }
+
     // Divert buttons
     divert_buttons();
+    if(disconnected) {
+        configuring = false; return; }
+
     // Set DPI if it is set
     if(config->dpi != nullptr)
-        set_dpi(*config->dpi, scanning);
+        set_dpi(*config->dpi);
+    if(disconnected) {
+        configuring = false; return; }
+
     // Set Smartshift if it is set
     if(config->smartshift != nullptr)
-        set_smartshift(*config->smartshift, scanning);
+        set_smartshift(*config->smartshift);
+    if(disconnected) {
+        configuring = false; return; }
+
     // Set Hires Scroll if it is set
     if(config->hiresscroll != nullptr)
-        set_hiresscroll(*config->hiresscroll, scanning);
+        set_hiresscroll(*config->hiresscroll);
+
+    configuring = false;
 }
 
-void Device::divert_buttons(bool scanning)
+void Device::divert_buttons()
 {
     try
     {
@@ -78,9 +97,13 @@ void Device::divert_buttons(bool scanning)
     {
         log_printf(DEBUG, "%s does not support Reprog controls, not diverting!", name.c_str());
     }
+    catch(HIDPP10::Error &e)
+    {
+        log_printf(DEBUG, "Could not divert buttons: HID++ 1.0 Error %s!", e.what());
+    }
 }
 
-void Device::set_smartshift(HIDPP20::ISmartShift::SmartshiftStatus ops, bool scanning)
+void Device::set_smartshift(HIDPP20::ISmartShift::SmartshiftStatus ops)
 {
     try
     {
@@ -97,7 +120,7 @@ void Device::set_smartshift(HIDPP20::ISmartShift::SmartshiftStatus ops, bool sca
     }
 }
 
-void Device::set_hiresscroll(uint8_t ops, bool scanning)
+void Device::set_hiresscroll(uint8_t ops)
 {
     try
     {
@@ -114,17 +137,12 @@ void Device::set_hiresscroll(uint8_t ops, bool scanning)
     }
 }
 
-void Device::set_dpi(int dpi, bool scanning)
+void Device::set_dpi(int dpi)
 {
     HIDPP20::IAdjustableDPI iad(hidpp_dev);
 
-    try { for(int i = 0; i < iad.getSensorCount(); i++) iad.setSensorDPI(i, dpi); }
-    catch (HIDPP20::Error &e)
-    {
-        if(scanning)
-            throw e;
-        log_printf(ERROR, "Error while setting DPI: %s", e.what());
-    }
+    try { for(unsigned int i = 0; i < iad.getSensorCount(); i++) iad.setSensorDPI(i, dpi); }
+    catch (HIDPP20::Error &e) { log_printf(ERROR, "Error while setting DPI: %s", e.what()); }
 }
 
 void Device::start()
@@ -192,7 +210,7 @@ void ReceiverHandler::handleEvent(const HIDPP::Report &event)
             {
                 if(it->first->path == dev->path && it->first->index == event.deviceIndex())
                 {
-                    log_printf(INFO, "%s (Device %d on %s) unpaired.", it->first->name.c_str(), event.deviceIndex(), dev->path);
+                    log_printf(INFO, "%s (Device %d on %s) unpaired.", it->first->name.c_str(), event.deviceIndex(), dev->path.c_str());
                     it->first->stop();
                     it->second.join();
                     finder->devices.erase(it);
@@ -202,18 +220,28 @@ void ReceiverHandler::handleEvent(const HIDPP::Report &event)
             break;
         }
         case HIDPP10::IReceiver::DevicePaired:
-        {
             break;
-        }
         case HIDPP10::IReceiver::ConnectionStatus:
         {
             auto status = HIDPP10::IReceiver::connectionStatusEvent(event);
             if(status == HIDPP10::IReceiver::LinkLoss)
-                log_printf(INFO, "Link lost to device %d on %s", event.deviceIndex(), dev->path.c_str());
+            {
+                log_printf(INFO, "Link lost to %s", dev->name.c_str());
+                dev->disconnected = true;
+            }
             else if (status == HIDPP10::IReceiver::ConnectionEstablished)
             {
-                dev->configure();
-                log_printf(INFO, "Connection established to device %d on %s", event.deviceIndex(), dev->path.c_str());
+                log_printf(INFO, "Connection established to %s", dev->name.c_str());
+                dev->disconnected = false;
+                std::thread
+                {
+                    [dev=this->dev]
+                    {
+                        while (dev->configuring)
+                            if(dev->disconnected) return;
+                        dev->configure();
+                    }
+                }.detach();
             }
             break;
         }
@@ -293,11 +321,16 @@ void Device::release_button(uint16_t cid)
 
 void Device::move_diverted(uint16_t cid, HIDPP20::IReprogControlsV4::Move m)
 {
-    auto action = config->actions.find(cid)->second;
-    switch(action->type)
+    auto action = config->actions.find(cid);
+    if(action == config->actions.end())
+    {
+        log_printf(DEBUG, "0x%x's RawXY was diverted with no action.", cid);
+        return;
+    }
+    switch(action->second->type)
     {
         case Action::Gestures:
-            ((GestureAction*)action)->move(m);
+            ((GestureAction*)action->second)->move(m);
             break;
         default:
             break;
@@ -308,9 +341,9 @@ std::map<uint16_t, uint8_t> Device::get_features()
 {
     std::map<uint16_t, uint8_t> _features;
     HIDPP20::IFeatureSet ifs (hidpp_dev);
-    unsigned int feature_count = ifs.getCount();
+    uint8_t feature_count = ifs.getCount();
 
-    for(int i = 0; i < feature_count; i++)
+    for(uint8_t i = 0; i < feature_count; i++)
         _features.insert( {i, ifs.getFeatureID(i) } );
 
     return _features;

src/logid/Device.h

@@ -21,7 +21,7 @@ public:
 
     std::string name;
 
-    void configure(bool scanning=false);
+    void configure();
 
     void press_button(uint16_t cid);
     void release_button(uint16_t cid);
@@ -39,15 +39,18 @@ public:
     HIDPP::Dispatcher* dispatcher;
     HIDPP20::Device* hidpp_dev;
 
+    bool configuring = false;
+    bool disconnected = false;
+
 protected:
     DeviceConfig* config;
     bool DeviceRemoved;
     EventListener* listener;
 
-    void divert_buttons(bool scanning=false);
-    void set_smartshift(HIDPP20::ISmartShift::SmartshiftStatus ops, bool scanning=false);
-    void set_hiresscroll(uint8_t flags, bool scanning=false);
-    void set_dpi(int dpi, bool scanning=false);
+    void divert_buttons();
+    void set_smartshift(HIDPP20::ISmartShift::SmartshiftStatus ops);
+    void set_hiresscroll(uint8_t flags);
+    void set_dpi(int dpi);
 };
 
 class EventHandler
@@ -81,6 +84,7 @@ public:
     ReceiverHandler (Device *d) : dev (d) { }
     const HIDPP20::FeatureInterface *feature () const
     {
+        return nullptr; // This sounds like a horrible idea
     }
     virtual const std::vector<uint8_t> featureIndices() const
     {

src/logid/EvdevDevice.cpp

@@ -22,6 +22,12 @@ EvdevDevice::EvdevDevice(const char* name)
         throw std::system_error(-err, std::generic_category());
 }
 
+void EvdevDevice::move_axis(unsigned int axis, int movement)
+{
+    libevdev_uinput_write_event(ui_device, EV_REL, axis, movement);
+    libevdev_uinput_write_event(ui_device, EV_SYN, SYN_REPORT, 0);
+}
+
 void EvdevDevice::send_event(unsigned int type, unsigned int code, int value)
 {
     libevdev_uinput_write_event(ui_device, type, code, value);

src/logid/EvdevDevice.h

@@ -9,6 +9,7 @@ class EvdevDevice
 public:
     EvdevDevice(const char* name);
     ~EvdevDevice();
+    void move_axis(unsigned int axis, int movement);
     void send_event(unsigned int type, unsigned int code, int value);
     libevdev* device;
     libevdev_uinput* ui_device;

src/logid/util.cpp

@@ -34,7 +34,7 @@ const char* level_prefix(LogLevel level)
 
 Direction get_direction(int x, int y)
 {
-    if(abs(x) < 50 && abs(y) < 50) return Direction::None;
+    if(x == 0 && y == 0) return Direction::None;
 
     double angle;
 
@@ -83,11 +83,13 @@ GestureMode string_to_gesturemode(std::string s)
     if(s == "nopress") return GestureMode::NoPress;
     if(s == "onrelease") return GestureMode::OnRelease;
     if(s == "onfewpixels") return GestureMode::OnFewPixels;
+    if(s == "axis") return GestureMode::Axis;
 
     s = original_str;
 
     log_printf(INFO, "%s is an invalid gesture mode. Defaulting to OnRelease", original_str);
 
+
     return GestureMode::OnRelease;
 }