205 lines
3.6 KiB
C++
205 lines
3.6 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2013-2021 Sylvain Munaut <tnt@246tNt.com>
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* Copyright 2013 Dimitri Stolnikov <horiz0n@gmx.net>
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*
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* This file is part of gr-fosphor
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <GLFW/glfw3.h>
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#include "glfw_sink_c_impl.h"
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namespace gr {
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namespace fosphor {
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glfw_sink_c::sptr
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glfw_sink_c::make()
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{
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return gnuradio::get_initial_sptr(new glfw_sink_c_impl());
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}
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glfw_sink_c_impl::glfw_sink_c_impl()
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: base_sink_c("glfw_sink_c")
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{
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/* Nothing to do but super call */
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}
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void
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glfw_sink_c_impl::glfw_cb_reshape(int w, int h)
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{
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if (w < 0 || h < 0)
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glfwGetFramebufferSize(this->d_window, &w, &h);
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this->cb_reshape(w, h);
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this->cb_visibility(true);
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}
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void
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glfw_sink_c_impl::glfw_cb_key(int key, int scancode, int action, int mods)
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{
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if (action != GLFW_PRESS)
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return;
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switch (key)
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{
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case GLFW_KEY_ESCAPE:
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exit(0);
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break;
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case GLFW_KEY_UP:
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this->execute_ui_action(REF_DOWN);
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break;
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case GLFW_KEY_DOWN:
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this->execute_ui_action(REF_UP);
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break;
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case GLFW_KEY_LEFT:
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this->execute_ui_action(DB_PER_DIV_DOWN);
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break;
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case GLFW_KEY_RIGHT:
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this->execute_ui_action(DB_PER_DIV_UP);
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break;
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case GLFW_KEY_Z:
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this->execute_ui_action(ZOOM_TOGGLE);
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break;
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case GLFW_KEY_W:
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this->execute_ui_action(ZOOM_WIDTH_UP);
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break;
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case GLFW_KEY_S:
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this->execute_ui_action(ZOOM_WIDTH_DOWN);
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break;
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case GLFW_KEY_D:
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this->execute_ui_action(ZOOM_CENTER_UP);
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break;
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case GLFW_KEY_A:
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this->execute_ui_action(ZOOM_CENTER_DOWN);
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break;
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case GLFW_KEY_Q:
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this->execute_ui_action(RATIO_UP);
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break;
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case GLFW_KEY_E:
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this->execute_ui_action(RATIO_DOWN);
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break;
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case GLFW_KEY_SPACE:
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this->execute_ui_action(FREEZE_TOGGLE);
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break;
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}
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}
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void
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glfw_sink_c_impl::glfw_cb_mouse(int btn, int action, int mods)
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{
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int x, y, w, h;
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double xd, yd;
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if (action != GLFW_PRESS)
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return;
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/* Get cursor position */
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glfwGetFramebufferSize(this->d_window, &w, &h);
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glfwGetCursorPos(this->d_window, &xd, &yd);
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x = floor(xd);
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y = h - floor(yd) - 1;
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/* Report upstream */
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this->execute_mouse_action(glfw_sink_c_impl::CLICK, x, y);
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}
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void
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glfw_sink_c_impl::_glfw_cb_reshape(GLFWwindow *wnd, int w, int h)
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{
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glfw_sink_c_impl *sink = (glfw_sink_c_impl *) glfwGetWindowUserPointer(wnd);
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sink->glfw_cb_reshape(w, h);
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}
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void
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glfw_sink_c_impl::_glfw_cb_key(GLFWwindow *wnd, int key, int scancode, int action, int mods)
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{
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glfw_sink_c_impl *sink = (glfw_sink_c_impl *) glfwGetWindowUserPointer(wnd);
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sink->glfw_cb_key(key, scancode, action, mods);
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}
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void
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glfw_sink_c_impl::_glfw_cb_mouse(GLFWwindow *wnd, int btn, int action, int mods)
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{
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glfw_sink_c_impl *sink = (glfw_sink_c_impl *) glfwGetWindowUserPointer(wnd);
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sink->glfw_cb_mouse(btn, action, mods);
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}
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void
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glfw_sink_c_impl::glctx_init()
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{
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GLFWwindow *wnd;
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/* Init GLFW */
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glfwInit();
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/* Create window */
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wnd = glfwCreateWindow(1024, 1024, "fosphor", NULL, NULL);
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if (!wnd)
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return;
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this->d_window = wnd;
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glfwMakeContextCurrent(wnd);
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glfwSetWindowUserPointer(wnd, this);
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/* Setup callbacks */
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glfwSetFramebufferSizeCallback(wnd, _glfw_cb_reshape);
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glfwSetKeyCallback(wnd, _glfw_cb_key);
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glfwSetMouseButtonCallback(wnd, _glfw_cb_mouse);
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/* Force first reshape */
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this->glfw_cb_reshape(-1, -1);
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}
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void
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glfw_sink_c_impl::glctx_swap()
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{
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glfwSwapBuffers(this->d_window);
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}
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void
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glfw_sink_c_impl::glctx_poll()
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{
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glfwPollEvents();
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}
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void
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glfw_sink_c_impl::glctx_fini()
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{
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glfwDestroyWindow(this->d_window);
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glfwTerminate();
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}
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void
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glfw_sink_c_impl::glctx_update()
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{
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/* Nothing to do for GLFW */
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}
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} /* namespace fosphor */
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} /* namespace gr */
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