Prepare mouse swipe gesture skeleton

lib/comfortable_swipe

@@ -29,6 +29,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "gesture/swipe_gesture.cpp"
 #include "gesture/swipe_gesture.regex.cpp"
 #include "gesture/keyboard_swipe_gesture.cpp"
+#include "gesture/mouse_swipe_gesture.cpp"
 #include "service/autostart.cpp"
 #include "service/buffer.cpp"
 #include "service/config.cpp"

lib/gesture/keyboard_swipe_gesture.cpp

@@ -20,8 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include <iostream> // std::cout, std::endl
-#include <string> // std::stoi, std::stof
-#include <regex> // std::regex, std::regex_match, std::cmatch
 #include "keyboard_swipe_gesture.h"
 
 extern "C"

lib/gesture/mouse_swipe_gesture.cpp

@@ -0,0 +1,159 @@
+#ifndef __COMFORTABLE_SWIPE__gesture_mouse_swipe_gesture__
+#define __COMFORTABLE_SWIPE__gesture_mouse_swipe_gesture__
+
+/*
+Comfortable Swipe
+by Rico Tiongson
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <iostream> // std::cout, std::endl
+#include <cstdio> // std::sscanf
+#include "mouse_swipe_gesture.h"
+
+extern "C"
+{
+    #include <xdo.h> // xdo, xdo_new, xdo_free,
+                     // xdo_get_mouse_location
+                     // CURRENT_WINDOW
+}
+
+namespace comfortable_swipe::gesture
+{
+    /**
+     * Constructs a new mouse gesture, given "hold3" and "hold4" configurations.
+     */
+    mouse_swipe_gesture::mouse_swipe_gesture
+    (
+        const char* hold3,
+        const char* hold4
+    ):
+        comfortable_swipe::gesture::swipe_gesture(),
+        hold3(hold3),
+        hold4(hold4),
+        flag_mousedown(false)
+    { }
+
+    /**
+     * Destructs this mouse swipe gesture.
+     */
+    mouse_swipe_gesture::~mouse_swipe_gesture()
+    { }
+
+    /**
+     * Run mousedown command on hold input.
+     */
+    void mouse_swipe_gesture::do_mousedown(const char * mouseinput)
+    {
+        int mouse = this->parse_mouse_input(mouseinput);
+        if (mouse != -1)
+        {
+            std::cout << "MOUSE DOWN " << mouse << std::endl;
+            this->flag_mousedown = true;
+        }
+    }
+
+    /**
+     *
+     */
+    void mouse_swipe_gesture::do_mouseup(const char * mouseinput)
+    {
+        int mouse = this->parse_mouse_input(mouseinput);
+        if (mouse != -1)
+        {
+            std::cout << "MOUSE UP " << mouse << std::endl;
+            this->flag_mousedown = false;
+        }
+    }
+
+    /**
+     * Utility method to parse mouse number from input.
+     * Returns -1 on failure.
+     */
+    int mouse_swipe_gesture::parse_mouse_input(const char *input)
+    {
+        // parse mouse number
+        int mouseno;
+        if (std::sscanf(input, "mouse%d", &mouseno) == 1)
+        {
+            return mouseno;
+        }
+        return -1;
+    }
+
+    /**
+     * Hook on begin of mouse swipe gesture.
+     */
+    void mouse_swipe_gesture::begin()
+    {
+        // call superclass method
+        swipe_gesture::begin();
+        // dispatch mouse down event
+        if (this->fingers == 3)
+        {
+            this->do_mousedown(this->hold3);
+        }
+        else if (this->fingers == 4)
+        {
+            this->do_mousedown(this->hold4);
+        }
+    }
+
+    /**
+     * Hook on end of mouse swipe gesture.
+     */
+    void mouse_swipe_gesture::update()
+    {
+        // call superclass method
+        swipe_gesture::update();
+        if (this->is_mousedown())
+        {
+            // TODO: drag mouse while it's updating
+            std::cout << this->dx << " " << this->dy << std::endl;
+        }
+
+    }
+
+    /**
+     * Hook on end of swipe gesture.
+     */
+    void mouse_swipe_gesture::end()
+    {
+        if (this->is_mousedown())
+        {
+            if (this->fingers == 3)
+            {
+                this->do_mouseup(this->hold3);
+            }
+            else if (this->fingers == 4)
+            {
+                this->do_mouseup(this->hold4);
+            }
+        }
+
+        // call superclass method
+        swipe_gesture::end();
+    }
+
+    /**
+     * Utility method to check if mouse is current held.
+     */
+    bool mouse_swipe_gesture::is_mousedown()
+    {
+        return this->flag_mousedown;
+    }
+}
+
+#endif /* __COMFORTABLE_SWIPE__gesture_mouse_swipe_gesture__ */

lib/gesture/mouse_swipe_gesture.h

@@ -0,0 +1,69 @@
+#ifndef __COMFORTABLE_SWIPE__gesture_mouse_swipe_gesture_h__
+#define __COMFORTABLE_SWIPE__gesture_mouse_swipe_gesture_h__
+
+/*
+Comfortable Swipe
+by Rico Tiongson
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "swipe_gesture.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+namespace comfortable_swipe::gesture
+{
+    class mouse_swipe_gesture : public swipe_gesture
+    {
+    public:
+        // constructor
+        mouse_swipe_gesture(
+            const char* hold3, // 3 finger mouse down
+            const char* hold4  // 4 finger mouse down
+        );
+
+        virtual ~mouse_swipe_gesture();
+
+        // override begin and end for mousedown
+        virtual void begin() override;
+        virtual void update() override;
+        virtual void end() override;
+
+        // provide our own mouse functions
+        virtual void do_mousedown(const char*);
+        virtual void do_mouseup(const char*);
+        virtual bool is_mousedown();
+
+    protected:
+        // command holders
+        const char * hold3;
+        const char * hold4;
+
+        // flag we can use to check if mouse is down
+        bool flag_mousedown;
+
+    private:
+        // utility method to parse mouse input given config characters
+        int parse_mouse_input(const char*);
+    };
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __COMFORTABLE_SWIPE__gesture_mouse_swipe_gesture_h__ */

lib/service/buffer.cpp

@@ -40,7 +40,7 @@ namespace comfortable_swipe::service
             comfortable_swipe::util::conf_filename()
         );
 
-        // initialize swipe gesture handler
+        // initialize keyboard swipe gesture handler
         comfortable_swipe::gesture::keyboard_swipe_gesture keyboard_swipe
         (
             config.count("threshold") ? std::stof(config["threshold"]) : 0.0,
@@ -54,16 +54,30 @@ namespace comfortable_swipe::service
             config["down4"].c_str()
         );
 
+        // initialize mouse swipe gesture handler
+        comfortable_swipe::gesture::mouse_swipe_gesture mouse_hold
+        (
+            "",
+            "mouse1"
+        );
+
         // prepare data containers
         std::array<char, 256> line;
 
         // start reading lines from input one by one
         while (fgets_unlocked(line.data(), line.size(), stdin) != NULL)
         {
-            // attempt to parse swipe gestures
+            // prioritize mouse hold gesture first
+            mouse_hold.parse_line(line.data());
+
+            // if mouse hold fails, try keyboard hold
+            if (!mouse_hold.is_mousedown())
+            {
+                // attempt to parse keyboard gestures
                 keyboard_swipe.parse_line(line.data());
             }
         }
     }
+}
 
 #endif /* __COMFORTABLE_SWIPE__service_buffer__ */