Split UI code into application/plugin UI and UI library.

1 files changed, 382 insertions, 0 deletions

diff --git a/dggui/nativewindow_pugl.cc b/dggui/nativewindow_pugl.cc
new file mode 100644
index 0000000..f94b82b
--- /dev/null
+++ b/dggui/nativewindow_pugl.cc
@@ -0,0 +1,382 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            nativewindow_pugl.cc
+ *
+ *  Fri Dec 28 18:45:57 CET 2012
+ *  Copyright 2012 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "nativewindow_pugl.h"
+
+#include <stdlib.h>
+#include <list>
+
+#ifdef __APPLE__
+#include <OpenGL/glu.h>
+#else
+#include <GL/glu.h>
+#include <GL/glext.h>
+#include <GL/gl.h>
+#endif
+
+#include "window.h"
+#include "guievent.h"
+
+#include <hugin.hpp>
+
+namespace GUI
+{
+
+NativeWindowPugl::NativeWindowPugl(void* native_window, Window& window)
+	: window(window)
+{
+	INFO(nativewindow, "Running with PuGL native window\n");
+	view = puglInit(nullptr, nullptr);
+	puglInitContextType(view, PUGL_GL);
+	if(native_window)
+	{
+		puglInitWindowParent(view, (PuglNativeWindow)native_window);
+	}
+	puglInitWindowClass(view, "DrumgGizmo");
+	puglInitWindowSize(view, 750, 466);
+	puglInitResizable(view, true);
+	puglCreateWindow(view, "DrumGizmo");
+
+	puglSetHandle(view, (PuglHandle)this);
+	puglSetEventFunc(view, onEvent);
+}
+
+NativeWindowPugl::~NativeWindowPugl()
+{
+	puglDestroy(view);
+}
+
+void NativeWindowPugl::setFixedSize(std::size_t width, std::size_t height)
+{
+//	redraw();
+}
+
+void NativeWindowPugl::resize(std::size_t width, std::size_t height)
+{
+//	DEBUG(nativewindow_pugl, "Resizing to %dx%d\n", width, height);
+//	init();
+//	redraw();
+}
+
+std::pair<std::size_t, std::size_t> NativeWindowPugl::getSize() const
+{
+	int width, height;
+	puglGetSize(view, &width, &height);
+	return {width, height};
+}
+
+void NativeWindowPugl::move(int x, int y)
+{
+//	redraw();
+}
+
+void NativeWindowPugl::show()
+{
+	puglShowWindow(view);
+}
+
+void NativeWindowPugl::hide()
+{
+	puglHideWindow(view);
+}
+
+bool NativeWindowPugl::visible() const
+{
+	return puglGetVisible(view);
+}
+
+void NativeWindowPugl::redraw(const Rect& dirty_rect)
+{
+	//puglPostRedisplay(view);//	handleBuffer();
+	onDisplay(view);
+}
+
+void NativeWindowPugl::setCaption(const std::string &caption)
+{
+//	redraw();
+}
+
+void NativeWindowPugl::grabMouse(bool grab)
+{
+	puglGrabFocus(view);
+}
+
+EventQueue NativeWindowPugl::getEvents()
+{
+	puglProcessEvents(view);
+	EventQueue events;
+	std::swap(events, event_queue);
+	return events;
+}
+
+void* NativeWindowPugl::getNativeWindowHandle() const
+{
+	return (void*)puglGetNativeWindow(view);
+}
+
+void NativeWindowPugl::onEvent(PuglView* view, const PuglEvent* event)
+{
+	NativeWindowPugl* native = (NativeWindowPugl*)puglGetHandle(view);
+
+	switch(event->type)
+	{
+	case PUGL_NOTHING:
+		break;
+	case PUGL_CONFIGURE:
+		onReshape(view, event->configure.width, event->configure.height);
+		{
+			auto resize_event = std::make_shared<ResizeEvent>();
+			resize_event->width = event->configure.width;
+			resize_event->height = event->configure.height;
+			native->event_queue.push_back(resize_event);
+		}
+		break;
+	case PUGL_EXPOSE:
+		onDisplay(view);
+		break;
+	case PUGL_CLOSE:
+		//quit = 1;
+		break;
+	case PUGL_KEY_PRESS:
+		fprintf(stderr, "Key %u (char %u) press (%s)%s\n",
+		        event->key.keycode, event->key.character, event->key.utf8,
+		        event->key.filter ? " (filtered)" : "");
+		if (event->key.character == 'q' ||
+		    event->key.character == 'Q' ||
+		    event->key.character == PUGL_CHAR_ESCAPE) {
+			//quit = 1;
+		}
+		break;
+	case PUGL_KEY_RELEASE:
+		fprintf(stderr, "Key %u (char %u) release (%s)%s\n",
+		        event->key.keycode, event->key.character, event->key.utf8,
+		        event->key.filter ? " (filtered)" : "");
+		break;
+	case PUGL_MOTION_NOTIFY:
+		{
+			auto mouseMoveEvent = std::make_shared<MouseMoveEvent>();
+			mouseMoveEvent->x = event->motion.x;
+			mouseMoveEvent->y = event->motion.y;
+			native->event_queue.push_back(mouseMoveEvent);
+		}
+		break;
+	case PUGL_BUTTON_PRESS:
+	case PUGL_BUTTON_RELEASE:
+		{
+			auto buttonEvent = std::make_shared<ButtonEvent>();
+			buttonEvent->x = event->button.x;
+			buttonEvent->y = event->button.y;
+			switch(event->button.button) {
+			case 1:
+				buttonEvent->button = MouseButton::left;
+				break;
+			case 2:
+				buttonEvent->button = MouseButton::middle;
+				break;
+			case 3:
+				buttonEvent->button = MouseButton::right;
+				break;
+			default:
+				WARN(X11, "Unknown button %d, setting to MouseButton::left\n",
+				     event->button.button);
+				buttonEvent->button = MouseButton::left;
+				break;
+			}
+
+			buttonEvent->direction =
+				(event->type == PUGL_BUTTON_PRESS) ?
+				Direction::down : Direction::up;
+
+			buttonEvent->doubleClick =
+				(event->type == PUGL_BUTTON_PRESS) &&
+				((event->button.time - native->last_click) < 200);
+
+			if(event->type == PUGL_BUTTON_PRESS)
+			{
+				native->last_click = event->button.time;
+			}
+			native->event_queue.push_back(buttonEvent);
+		}
+		fprintf(stderr, "Mouse %d %s at %f,%f ",
+		        event->button.button,
+		        (event->type == PUGL_BUTTON_PRESS) ? "down" : "up",
+		        event->button.x,
+		        event->button.y);
+		///printModifiers(view, event->scroll.state);
+		break;
+	case PUGL_SCROLL:
+		{
+			auto scrollEvent = std::make_shared<ScrollEvent>();
+			scrollEvent->x = event->scroll.x;
+			scrollEvent->y = event->scroll.y;
+			scrollEvent->delta = event->scroll.dy * -1;//scroll * ((xevent.xbutton.button == 4) ? -1 : 1);
+			native->event_queue.push_back(scrollEvent);
+		}
+		fprintf(stderr, "Scroll %f %f %f %f ",
+		        event->scroll.x, event->scroll.y, event->scroll.dx, event->scroll.dy);
+		//printModifiers(view, event->scroll.state);
+		//dist += event->scroll.dy;
+		//if (dist < 10.0f) {
+		//	dist = 10.0f;
+		//}
+		puglPostRedisplay(view);
+		break;
+	case PUGL_ENTER_NOTIFY:
+		fprintf(stderr, "Entered\n");
+		break;
+	case PUGL_LEAVE_NOTIFY:
+		fprintf(stderr, "Exited\n");
+		break;
+	case PUGL_FOCUS_IN:
+		fprintf(stderr, "Focus in\n");
+		break;
+	case PUGL_FOCUS_OUT:
+		fprintf(stderr, "Focus out\n");
+		break;
+	}
+}
+
+void NativeWindowPugl::onReshape(PuglView* view, int width, int height)
+{
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glViewport(0, 0, width, height);
+}
+
+void NativeWindowPugl::onDisplay(PuglView* view)
+{
+	NativeWindowPugl* native = (NativeWindowPugl*)puglGetHandle(view);
+	Window& window = native->window;
+	//window.redraw();
+
+	if((window.wpixbuf.width < 16) || (window.wpixbuf.height < 16))
+	{
+		return;
+	}
+
+	puglEnterContext(view);
+
+	glDisable(GL_DEPTH_TEST);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslatef(0.0f, 0.0f, 0.0f);
+
+	GLuint image;
+
+	glGenTextures(1, &image);
+
+	//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	glTexImage2D(GL_TEXTURE_2D,
+	             0, GL_RGBA,
+	             window.wpixbuf.width,
+	             window.wpixbuf.height,
+	             0, GL_RGB, GL_UNSIGNED_BYTE,
+	             window.wpixbuf.buf);
+
+	glEnable(GL_TEXTURE_2D);
+
+	glBegin(GL_QUADS);
+	glTexCoord2d(0.0f,  0.0f); glVertex2f(-1.0f, -1.0f);
+	glTexCoord2d(0.0f, -1.0f); glVertex2f(-1.0f,  1.0f);
+	glTexCoord2d(1.0f, -1.0f); glVertex2f( 1.0f,  1.0f);
+	glTexCoord2d(1.0f,  0.0f); glVertex2f( 1.0f, -1.0f);
+	glEnd();
+
+	glDeleteTextures(1, &image);
+	glDisable(GL_TEXTURE_2D);
+	glFlush();
+
+	puglLeaveContext(view, true);
+}
+
+void NativeWindowPugl::onMouse(PuglView* view, int button, bool press, int x, int y)
+{
+	NativeWindowPugl* native = (NativeWindowPugl*)puglGetHandle(view);
+
+	DEBUG(nativewindow_pugl, "Mouse %d %s at (%d,%d)\n", button,
+	      press? "down":"up", x, y);
+
+	ButtonEvent* e = new ButtonEvent();
+	e->x = x;
+	e->y = y;
+
+	switch(button) {
+	case 1:
+		e->button = MouseButton::left;
+		break;
+	case 2:
+		e->button = MouseButton::middle;
+		break;
+	case 3:
+	default:
+		e->button = MouseButton::right;
+		break;
+	}
+
+	e->direction = press ? Direction::down : Direction::up;
+	e->doubleClick = false;
+
+	native->eventq.push_back(e);
+}
+
+void NativeWindowPugl::onKeyboard(PuglView* view, bool press, uint32_t key)
+{
+	NativeWindowPugl* native = (NativeWindowPugl*)puglGetHandle(view);
+
+	KeyEvent* e = new KeyEvent();
+	e->direction = press ? Direction::down : Direction::up;
+
+	switch(key)
+	{
+	case PUGL_KEY_LEFT: e->keycode = Key::left; break;
+	case PUGL_KEY_RIGHT: e->keycode = Key::right; break;
+	case PUGL_KEY_UP: e->keycode = Key::up; break;
+	case PUGL_KEY_DOWN: e->keycode = Key::down; break;
+	case PUGL_KEY_PAGE_UP: e->keycode = Key::pageDown; break;
+	case PUGL_KEY_PAGE_DOWN: e->keycode = Key::pageUp; break;
+	default: e->keycode = Key::unknown; break;
+	}
+
+	// TODO: perform character type check
+	if(e->keycode == Key::unknown)
+	{
+		e->keycode = Key::character;
+		e->text.assign(1, (char)key);
+	}
+
+	native->eventq.push_back(e);
+}
+
+} // GUI::