X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=glwidget.cpp;h=5a1325803a283fad20cf8be86478d94945b66ca5;hb=1202ad9167357a461366dab9cbbaa6c578423253;hp=3d5b0f97abe86a494bedda4ee5607e14499a2be2;hpb=9b9f5c84113b8a818f296467fd2150ce6a095fbe;p=nageru

diff --git a/glwidget.cpp b/glwidget.cpp
index 3d5b0f9..5a13258 100644
--- a/glwidget.cpp
+++ b/glwidget.cpp
@@ -6,17 +6,19 @@
 #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 <stdio.h>
 #include <functional>
 #include <mutex>
+#include <movit/effect_chain.h>
+#include <movit/resource_pool.h>
 
 #include "context.h"
-#include "effect_chain.h"
 #include "flags.h"
 #include "mainwindow.h"
 #include "mixer.h"
@@ -31,6 +33,7 @@ class QWidget;
 #include <string>
 
 using namespace std;
+using namespace std::placeholders;
 
 GLWidget::GLWidget(QWidget *parent)
     : QGLWidget(parent, global_share_widget)
@@ -59,6 +62,15 @@ void GLWidget::initializeGL()
 		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);
@@ -99,3 +111,94 @@ void GLWidget::mousePressEvent(QMouseEvent *event)
 {
 	emit clicked();
 }
+
+void GLWidget::show_context_menu(unsigned signal_num, const QPoint &pos)
+{
+	QPoint global_pos = mapToGlobal(pos);
+
+	QMenu menu;
+
+	// Add a submenu for selecting input card, with an action for each card.
+	QMenu card_submenu;
+	QActionGroup card_group(&card_submenu);
+
+	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, &card_group);
+		action->setCheckable(true);
+		if (current_card == card_index) {
+			action->setChecked(true);
+		}
+		action->setData(QList<QVariant>{"card", card_index});
+		card_submenu.addAction(action);
+	}
+
+	card_submenu.setTitle("Input source");
+	menu.addMenu(&card_submenu);
+
+	// Add a submenu for selecting resolution, with an action for each resolution.
+	// Note that the choice depends a lot on which card is active.
+	QMenu mode_submenu;
+	QActionGroup mode_group(&mode_submenu);
+	std::map<uint32_t, VideoMode> video_modes = global_mixer->get_available_video_modes(current_card);
+	uint32_t current_video_mode = global_mixer->get_current_video_mode(current_card);
+	bool has_auto_mode = false;
+	for (const auto &mode : video_modes) {
+		QString description(QString::fromStdString(mode.second.name));
+		QAction *action = new QAction(description, &mode_group);
+		action->setCheckable(true);
+		if (mode.first == current_video_mode) {
+			action->setChecked(true);
+		}
+		action->setData(QList<QVariant>{"video_mode", mode.first});
+		mode_submenu.addAction(action);
+
+		// TODO: Relying on the 0 value here (from bmusb.h) is ugly, it should be a named constant.
+		if (mode.first == 0) {
+			has_auto_mode = true;
+		}
+	}
+
+	// Add a “scan” menu if there's no “auto” mode.
+	if (!has_auto_mode) {
+		QAction *action = new QAction("Scan", &mode_group);
+		action->setData(QList<QVariant>{"video_mode", 0});
+		mode_submenu.addSeparator();
+		mode_submenu.addAction(action);
+	}
+
+	mode_submenu.setTitle("Input mode");
+	menu.addMenu(&mode_submenu);
+
+	// Add an audio source selector.
+	QAction *audio_source_action = new QAction("Use as audio source", &menu);
+	audio_source_action->setCheckable(true);
+	if (global_mixer->get_audio_source() == signal_num) {
+		audio_source_action->setChecked(true);
+		audio_source_action->setEnabled(false);
+	}
+	menu.addAction(audio_source_action);
+
+	// Show the menu and look at the result.
+	QAction *selected_item = menu.exec(global_pos);
+	if (selected_item == audio_source_action) {
+		global_mixer->set_audio_source(signal_num);
+	} else if (selected_item != nullptr) {
+		QList<QVariant> selected = selected_item->data().toList();
+		if (selected[0].toString() == "video_mode") {
+			uint32_t mode = selected[1].toUInt(nullptr);
+			if (mode == 0 && !has_auto_mode) {
+				global_mixer->start_mode_scanning(current_card);
+			} else {
+				global_mixer->set_video_mode(current_card, mode);
+			}
+		} else if (selected[0].toString() == "card") {
+			unsigned card_index = selected[1].toUInt(nullptr);
+			global_mixer->set_signal_mapping(signal_num, card_index);
+		} else {
+			assert(false);
+		}
+	}
+}