basic cursor

include/mainwindow.h

@@ -2,6 +2,7 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
+#include <qlayoutitem.h>
 #include <vector>
 
 #include "config.h"
@@ -38,6 +39,10 @@ private:
 	void removeAllButtons();
 	void loadButtonsFromConfig();
 
+	void selectCurrentButton();
+	void unselectCurrentButton();
+	QLayoutItem* findCurrentButton() const;
+
 	Ui::Soundboard *ui;
 	std::vector<SoundButton*> soundbuttons;
 	QxtGlobalShortcut* stopGlobal = nullptr;
@@ -48,6 +53,9 @@ private:
 	QxtGlobalShortcut* right = nullptr;
 	QxtGlobalShortcut* play = nullptr;
 
+	uint8_t xpos = 0;
+	uint8_t ypos = 0;
+
 	Config config;
 };
 #endif // MAINWINDOW_H

src/mainwindow.cpp

@@ -30,7 +30,6 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::Soundb
 	QObject::connect(left,  SIGNAL( activated() ), this, SLOT( moveLeft() ));
 	QObject::connect(right, SIGNAL( activated() ), this, SLOT( moveRight() ));
 	QObject::connect(play,  SIGNAL( activated() ), this, SLOT( playCurrent() ));
-
 }
 
 MainWindow::~MainWindow() {
@@ -72,22 +71,54 @@ void MainWindow::stop() {
 
 void MainWindow::moveUp() {
 	Log::debug << "up";
+	unselectCurrentButton();
+	ypos--;
+	if(ypos >= ui->gridLayout->rowCount()) {
+		ypos = ui->gridLayout->rowCount()-1;
+	}
+	selectCurrentButton();
 }
 
 void MainWindow::moveDown() {
 	Log::debug << "down";
+	unselectCurrentButton();
+	ypos++;
+	if(ypos >= ui->gridLayout->rowCount()) {
+		ypos = ui->gridLayout->rowCount()-1;
+	}
+	selectCurrentButton();
 }
 
 void MainWindow::moveLeft() {
 	Log::debug << "left";
+	unselectCurrentButton();
+	xpos--;
+	if(xpos >= ui->gridLayout->columnCount()) {
+		xpos = ui->gridLayout->columnCount()-1;
+	}
+	selectCurrentButton();
 }
 
 void MainWindow::moveRight() {
 	Log::debug << "right";
+	unselectCurrentButton();
+	xpos++;
+	if(xpos >= ui->gridLayout->columnCount()) {
+		xpos = ui->gridLayout->columnCount()-1;
+	}
+	selectCurrentButton();
 }
 
 void MainWindow::playCurrent() {
 	Log::debug << "play";
+
+	QLayoutItem* item = findCurrentButton();
+	if(item) {
+		if(item->widget()) {
+			QPushButton* button = (QPushButton*) item->widget();
+			button->click();
+		}
+	}
 }
 
 void MainWindow::loadSoundFromConfig() {
@@ -147,5 +178,49 @@ void MainWindow::loadButtonsFromConfig() {
 		y++;
 	}
 
+	xpos = 0;
+	ypos = 0;
+
 	// ui->gridLayoutWidget->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
 }
+
+void MainWindow::selectCurrentButton() {
+	QLayoutItem* item = findCurrentButton();
+	if(item) {
+		if(item->widget()) {
+			QPushButton* button = (QPushButton*) item->widget();
+			button->setText(">");
+		}
+	}
+}
+
+void MainWindow::unselectCurrentButton() {
+	QLayoutItem* item = findCurrentButton();
+	if(item) {
+		if(item->widget()) {
+			QPushButton* button = (QPushButton*) item->widget();
+			button->setText(" ");
+		}
+	}
+}
+
+QLayoutItem* MainWindow::findCurrentButton() const {
+	QLayoutItem* lastitem = nullptr;
+	int8_t rstep = -1;
+	for(uint8_t step = 0; step < ui->gridLayout->columnCount() && rstep < xpos; ++step) {
+		Log::info << "check: " << ypos << " " << step;
+
+		QLayoutItem* item = ui->gridLayout->itemAtPosition(ypos, step);
+		if(lastitem == item) continue;
+
+		rstep++;
+		lastitem = item;
+	}
+
+	if(lastitem != nullptr && rstep == xpos) {
+		return lastitem;
+	}
+
+	Log::debug << "current button is null";
+	return nullptr;
+}