Make signal mapping changeable by right-clicking on the preview.

[nageru] / glwidget.cpp

diff --git a/glwidget.cpp b/glwidget.cpp
index 9088742bdf0e7085fc19bb1e70cb1dca9b2e6090..e71ac405721bf53d94fb3caffd05711ee8c17f06 100644 (file)
--- a/glwidget.cpp
+++ b/glwidget.cpp
@@ -3,51 +3,74 @@
 #include <qtextstream.h>  // Needs to come before egl.h.
 #include <qcursor.h>  // Needs to come before egl.h.
 #include <qcoreevent.h>  // Needs to come before egl.h.
+#include <qevent.h>  // Needs to come before egl.h.
 #include <epoxy/gl.h>
 #include <epoxy/egl.h>
+#include <QAction>
+#include <QMenu>
 #include <QSurfaceFormat>
+#include <movit/resource_pool.h>
 
 #include "glwidget.h"
 
-#include <movit/resource_pool.h>
 #include <stdio.h>
+#include <functional>
 #include <mutex>
 
 #include "context.h"
+#include "effect_chain.h"
+#include "flags.h"
+#include "mainwindow.h"
 #include "mixer.h"
+#include "qnamespace.h"
 #include "ref_counted_gl_sync.h"
 
-class QSurface;
+class QMouseEvent;
 class QWidget;
 
 #undef Success
 #include <movit/util.h>
 #include <string>
 
+using namespace std;
+using namespace std::placeholders;
+
 GLWidget::GLWidget(QWidget *parent)
-    : QGLWidget(parent, global_share_widget),
-      resource_pool(new movit::ResourcePool)
+    : QGLWidget(parent, global_share_widget)
 {
 }
 
-GLWidget::~GLWidget()
+void GLWidget::clean_context()
 {
+       if (resource_pool != nullptr) {
+               makeCurrent();
+               resource_pool->clean_context();
+       }
 }
 
 void GLWidget::initializeGL()
 {
-       printf("egl context=%p\n", eglGetCurrentContext());
-       //printf("threads: %p %p\n", QThread::currentThread(), qGuiApp->thread());
-
-       static std::once_flag flag;
-       std::call_once(flag, [this]{
-               global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()));
+       static once_flag flag;
+       call_once(flag, [this]{
+               global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()), global_flags.num_cards);
+               global_mainwindow->mixer_created(global_mixer);
                global_mixer->start();
        });
        global_mixer->set_frame_ready_callback(output, [this]{
                QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
+               emit transition_names_updated(global_mixer->get_transition_names());
+               emit resolution_updated(output);
        });
 
+       if (output >= Mixer::OUTPUT_INPUT0) {
+               int signal_num = global_mixer->get_channel_signal(output);
+               if (signal_num != -1) {
+                       setContextMenuPolicy(Qt::CustomContextMenu);
+                       connect(this, &QWidget::customContextMenuRequested,
+                               bind(&GLWidget::show_context_menu, this, signal_num, _1));
+               }
+       }
+
        glDisable(GL_BLEND);
        glDisable(GL_DEPTH_TEST);
        glDepthMask(GL_FALSE);
@@ -56,7 +79,6 @@ void GLWidget::initializeGL()
 void GLWidget::resizeGL(int width, int height)
 {
        glViewport(0, 0, width, height);
-       global_mixer->set_preview_size(output, width, height);
 }
 
 void GLWidget::paintGL()
@@ -64,12 +86,54 @@ void GLWidget::paintGL()
        Mixer::DisplayFrame frame;
        if (!global_mixer->get_display_frame(output, &frame)) {
                glClearColor(0.0f, 1.0f, 0.0f, 1.0f);
+               check_error();
                glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+               check_error();
                return;
        }
 
+       check_error();
        glWaitSync(frame.ready_fence.get(), /*flags=*/0, GL_TIMEOUT_IGNORED);
+       check_error();
        frame.setup_chain();
+       check_error();
        frame.chain->render_to_screen();
        check_error();
+
+       if (resource_pool == nullptr) {
+               resource_pool = frame.chain->get_resource_pool();
+       } else {
+               assert(resource_pool == frame.chain->get_resource_pool());
+       }
+}
+
+void GLWidget::mousePressEvent(QMouseEvent *event)
+{
+       emit clicked();
+}
+
+void GLWidget::show_context_menu(int signal_num, const QPoint &pos)
+{
+       QPoint global_pos = mapToGlobal(pos);
+
+       QMenu menu;
+       QActionGroup group(&menu);
+
+       unsigned num_cards = global_mixer->get_num_cards();
+       unsigned current_card = global_mixer->map_signal(signal_num);
+       for (unsigned card_index = 0; card_index < num_cards; ++card_index) {
+               QString description(QString::fromStdString(global_mixer->get_card_description(card_index)));
+               QAction *action = new QAction(description, &group);
+               action->setCheckable(true);
+               if (current_card == card_index) {
+                       action->setChecked(true);
+               }
+               action->setData(card_index);
+               menu.addAction(action);
+       }
+       QAction *selected_item = menu.exec(global_pos);
+       if (selected_item) {
+               unsigned card_index = selected_item->data().toInt(nullptr);
+               global_mixer->set_signal_mapping(signal_num, card_index);
+       }
 }