yay moving windows

src/NitroWin/NPosition.h

+/*
+ * Copyright(c) 2018, jlhawkwell
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef NPOSITION_H
+#define NPOSITION_H
+
+#include <string>
+
+template <typename T>
+class NPosition
+{
+protected:
+	T px;
+	T py;
+public:
+	NPosition<T>(T x, T y) {
+		px = x;
+		py = y;
+	}
+
+    NPosition<T>(const NPosition<T>& other) {
+		px = other.px;
+		py = other.py;
+    }
+
+	NPosition<T>& operator=(const NPosition<T>& other) {
+		px = other.px;
+		py = other.py;
+		return *this;
+	}
+
+	NPosition<T> operator+(const NPosition<T>& other) {
+		NPosition<T> rt = NPosition<T>(px + other.px, py + other.py);
+		return rt;
+	}
+
+	NPosition<T> operator-(const NPosition<T>& other) {
+		NPosition<T> rt = NPosition<T>(px - other.px, py - other.py);
+		return rt;
+	}
+
+	bool operator==(const NPosition<T>& other) const {
+		if (px != other.getX()) { return false; }
+		if (py != other.getY()) { return false; }
+		return true;
+	}
+
+	std::string toString() {
+		std::string out = std::string();
+		out.append("(");
+		out.append(std::to_string(px));
+		out.append(", ");
+		out.append(std::to_string(py));
+		out.append(")");
+		return out;
+	}
+
+	T getX() { return px; }
+	T getY() { return py; }
+
+	void setZeroIfNegative() {
+		if (px < 0) { px = 0; }
+		if (py < 0) { py = 0;}
+	}
+};
+
+#endif // NPOSITION_H

src/NitroWin/NSize.h

+/*
+ * Copyright(c) 2018, jlhawkwell
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef NSIZE_H
+#define NSIZE_H
+
+template <class T>
+class NSize
+{
+protected:
+	T pwidth;
+	T pheight;
+public:
+	NSize<T>(T width, T height) {
+		pwidth = width;
+		pheight = height;
+	}
+
+    NSize<T>(const NSize<T>& other) {
+		pwidth = other.pwidth;
+		pheight = other.pheight;
+	}
+
+    NSize<T>& operator=(const NSize<T>& other) {
+		pwidth = other.pwidth;
+		pheight = other.pheight;
+		return *this;
+	}
+
+    bool operator==(const NSize<T>& other) const {
+		if (pwidth != other.getWidth()) { return false; }
+		if (pheight != other.getHeight()) { return false; }
+		return true;
+	}
+
+	T getWidth() { return pwidth; }
+	T getHeight() { return pheight; }
+};
+
+#endif // NSIZE_H

src/NitroWin/NUtils.cpp

@@ -54,12 +54,10 @@ void NUtils::frameWindow (Window w, bool pre_exist) {
 	(*NWMAction::clients)[w] = frame;
 
 	XGrabButton(NWMAction::disp, Button1, Mod1Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
-	XGrabButton(NWMAction::disp, Button1, Mod2Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
-	XGrabButton(NWMAction::disp, Button1, Mod3Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
-	XGrabButton(NWMAction::disp, Button1, Mod4Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
-	XGrabButton(NWMAction::disp, Button1, Mod5Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
-	XGrabButton(NWMAction::disp, Button2, Mod4Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
-  }
+	XGrabButton(NWMAction::disp, Button1, Mod1Mask | Mod2Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
+	XGrabButton(NWMAction::disp, Button3, Mod1Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
+	XGrabButton(NWMAction::disp, Button3, Mod1Mask | Mod2Mask, w, false, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask, GrabModeAsync, GrabModeAsync, None, None);
+}
 
 
 void NUtils::unFrameWindow (Window w) {

src/NitroWin/NWMAction.cpp

@@ -34,9 +34,18 @@
 #include "NWMAction.h"
 #include "NUtils.h"
 #include <iostream>
+#include <vector>
 
+// MOVING WINDOWS
+NPosition<int> *NWMAction::drag_start_cursor;
+NPosition<int> *NWMAction::drag_start_window;
+NSize<unsigned int> *NWMAction::drag_start_resize;
+
+// XLIB
 Display *NWMAction::disp;
 Window *NWMAction::root;
+
+// WINDOWS
 std::unordered_map<Window, Window> *NWMAction::clients;
 
 void NWMAction::onKeyPress(XKeyPressedEvent e) {
@@ -48,7 +57,34 @@ void NWMAction::onKeyRelease(XKeyReleasedEvent e) {
 }
 
 void NWMAction::onButtonPress(XButtonPressedEvent e) {
+	if (!clients->count(e.window)) { return; }
+	if (drag_start_cursor == nullptr) {
+		drag_start_cursor = new NPosition<int>(e.x_root, e.y_root);
+	}
+	else {
+		*drag_start_cursor = NPosition<int>(e.x_root,  e.y_root);
+	}
 
+	int x = 0, y = 0;
+	unsigned int w = 0, h = 0;
+	unsigned int bw = 0, depth = 0;
+	Window frame = (*clients)[e.window];
+	Window *rroot;
+	XGetGeometry(disp, frame, rroot, &x, &y, &w, &h,  &bw, &depth);
+	if (drag_start_window == nullptr) {
+		drag_start_window = new NPosition<int>(x, y);
+	}
+	else {
+		*drag_start_window = NPosition<int>(x, y);
+	}
+	if (drag_start_resize == nullptr) {
+		drag_start_resize = new NSize<unsigned int>(w, h);
+	}
+	else {
+		*drag_start_resize = NSize<unsigned int>(w, h);
+	}
+
+	XRaiseWindow(disp, frame);
 }
 
 void NWMAction::onButtonRelease(XButtonReleasedEvent e) {
@@ -56,13 +92,39 @@ void NWMAction::onButtonRelease(XButtonReleasedEvent e) {
 }
 
 void NWMAction::onMotionNotify(XMotionEvent e) {
-	if (!(*clients).count(e.window)) { return; }
+	if (!clients->count(e.window)) { return; }
 
 	std::cout << "XMotionEvent: " <<  e.window;
 	std::cout << " (" <<  e.x << ", " <<  e.y << "), (";
-	std::cout << e.x_root << ", " << e.y_root << ")";
+	std::cout << e.x_root << ", " << e.y_root << ") ";
+	std::cout << e.state;
+	if (e.state & Button1Mask) { std::cout << " Button1Mask"; }
+	if (e.state & Button2Mask) { std::cout << " Button2Mask"; }
+	if (e.state & Button3Mask) { std::cout << " Button3Mask"; }
+	if (e.state & Button4Mask) { std::cout << " Button4Mask"; }
+	if (e.state & Button5Mask) { std::cout << " Button5Mask"; }
+
+	if (e.state & ShiftMask) { std::cout << " ShiftMask"; }
+	if (e.state & LockMask) { std::cout << " LockMask"; }
+	if (e.state & ControlMask) { std::cout << " ControlMask"; }
+	if (e.state & Mod1Mask) { std::cout << " Mod1Mask"; }
+	if (e.state & Mod2Mask) { std::cout << " Mod2Mask"; }
+	if (e.state & Mod3Mask) { std::cout << " Mod3Mask"; }
+	if (e.state & Mod4Mask) { std::cout << " Mod4Mask"; }
+	if (e.state & Mod5Mask) { std::cout << " Mod5Mask"; }
 	std::cout << std::endl;
 
+	Window frame = (*clients)[e.window];
+	NPosition<int> drag_pos(e.x_root, e.y_root);
+	NPosition<int> delta = drag_pos - *drag_start_cursor;
+
+	if (e.state & Button1Mask) { // move window
+		std::cout << "\tDelta: " << delta.toString() << std::endl;
+		NPosition<int> dest = delta + *drag_start_window;
+		dest.setZeroIfNegative();
+		XMoveWindow(disp, frame, dest.getX(), dest.getY());
+	}
+
 }
 
 void NWMAction::onEnterNotify(XEnterWindowEvent e) {
@@ -154,7 +216,7 @@ void NWMAction::onConfigureRequest(XConfigureRequestEvent e) {
 	}
 
 	XConfigureWindow(disp, e.window, e.value_mask, &changes);
-  }
+}
 
 void NWMAction::onGravityNotify(XGravityEvent e) {
 
@@ -209,7 +271,7 @@ void NWMAction::onLASTEvent(XAnyEvent e) {
 }
 
 void NWMAction::onDefaultEvent(XAnyEvent e) {
-	std::cout << "Event [" << NUtils::getEventName(e.type) << "] on";
+	std::cout << "Event [" << NUtils::getEventName(e.type) << "] on ";
 	std::cout << e.window <<  " @ " <<  e.display <<  std::endl;
 }
 

src/NitroWin/NWMAction.h

@@ -35,14 +35,28 @@
 #define NWMACTION_H
 
 #include <X11/Xlib.h>
+#include <vector>
 #include <unordered_map>
 
+# include "NPosition.h"
+# include "NSize.h"
+
 class NWMAction {
+protected:
+	// MOVING WINDOWS
+	static NPosition<int> *drag_start_cursor;
+	static NPosition<int> *drag_start_window;
+	static NSize<unsigned int> *drag_start_resize;
+
 public:
+	// XLIB
 	static Display *disp;
 	static Window *root;
+
+	// WINDOWS
 	static std::unordered_map<Window, Window> *clients;
 
+	// EVENT METHODS
 	static void onKeyPress(XKeyPressedEvent e);
 	static void onKeyRelease(XKeyReleasedEvent e);
 	static void onButtonPress(XButtonPressedEvent e);

src/NitroWin/NWManager.cpp

@@ -65,6 +65,14 @@ int NWManager::OnWMDetected(Display *display, XErrorEvent *e) {
 
 
 int NWManager::OnXError(Display *display, XErrorEvent *e) {
+	const int MAX_ERROR_TEXT_LENGTH = 1024;
+	char error_text[MAX_ERROR_TEXT_LENGTH];
+	XGetErrorText(display, e->error_code, error_text, sizeof(error_text));
+	std::cerr << "Received X error:" << std::endl
+	<< "    Request: " << int(e->request_code) << std::endl
+	<< "    Error code: " << int(e->error_code)
+	<< " - " << error_text << std::endl
+	<< "    Resource ID: " << e->resourceid << std::endl;
 	return 0;
 }
 
@@ -110,7 +118,7 @@ void NWManager::run() {
 		switch (e.type) {
 			//case KeyPress: break;
 			//case KeyRelease: break;
-			//case ButtonPress: break;
+			case ButtonPress: NWMAction::onButtonPress(e.xbutton); break;
 			//case ButtonRelease: break;
 			case MotionNotify: NWMAction::onMotionNotify(e.xmotion); break;
 			//case EnterNotify: break;

src/NitroWin/NWManager.h

@@ -27,6 +27,7 @@
 #ifndef NWMANAGER_H
 #define NWMANAGER_H
 
+#include <X11/X.h>
 #include <X11/Xlib.h>
 #include <unordered_map>