Sequencer view.

Author: Archie3d

Aeolus.jucer

@@ -78,6 +78,9 @@
               file="Source/ui/ParameterSlider.cpp"/>
         <FILE id="j8xpdL" name="ParameterSlider.h" compile="0" resource="0"
               file="Source/ui/ParameterSlider.h"/>
+        <FILE id="JLGrPz" name="SequencerView.cpp" compile="1" resource="0"
+              file="Source/ui/SequencerView.cpp"/>
+        <FILE id="ZXjyL1" name="SequencerView.h" compile="0" resource="0" file="Source/ui/SequencerView.h"/>
         <FILE id="IMWRu0" name="StopButton.cpp" compile="1" resource="0" file="Source/ui/StopButton.cpp"/>
         <FILE id="lZISO8" name="StopButton.h" compile="0" resource="0" file="Source/ui/StopButton.h"/>
       </GROUP>

Source/PluginEditor.cpp

@@ -33,6 +33,7 @@ AeolusAudioProcessorEditor::AeolusAudioProcessorEditor (AeolusAudioProcessor& p)
     , _divisionsComponent{}
     , _divisionViews{}
     , _midiKeyboard(p.getEngine().getMidiKeyboardState(), MidiKeyboardComponent::horizontalKeyboard)
+    , _sequencerView(p.getEngine().getSequencer())
     , _versionLabel{{}, JucePlugin_VersionString}
     , _cpuLoadLabel{{}, "CPU Load:"}
     , _cpuLoadValueLabel{}
@@ -127,6 +128,8 @@ AeolusAudioProcessorEditor::AeolusAudioProcessorEditor (AeolusAudioProcessor& p)
     _midiKeyboard.setAvailableRange(24, 108);
     addAndMakeVisible(_midiKeyboard);
 
+    addAndMakeVisible(_sequencerView);
+
     resized();
 
     startTimerHz(10);
@@ -170,6 +173,7 @@ void AeolusAudioProcessorEditor::resized()
     constexpr int H = 30;
     constexpr int S = 5;
     constexpr int T = margin * 2 + 20;
+    constexpr int sequencerHeight = 26;
     constexpr int keyboardHeight = 70;
 
     int y = 0;;
@@ -181,12 +185,13 @@ void AeolusAudioProcessorEditor::resized()
     }
 
     _divisionsComponent.setBounds(0, 0, getWidth(), y);
-    _divisionsViewport.setBounds(0, T, getWidth(), getHeight() - T - keyboardHeight);
+    _divisionsViewport.setBounds(0, T, getWidth(), getHeight() - T - keyboardHeight - sequencerHeight);
 
     int keyboardWidth = jmin((int)_midiKeyboard.getTotalKeyboardWidth(), getWidth());
-
     _midiKeyboard.setBounds((getWidth() - keyboardWidth) / 2, getHeight() - keyboardHeight, keyboardWidth, keyboardHeight);
 
+    _sequencerView.setBounds(_midiKeyboard.getX(), _midiKeyboard.getY() - sequencerHeight, _midiKeyboard.getWidth(), sequencerHeight);
+
     _cancelButton.setColour(TextButton::buttonColourId, Colour(0x66, 0x66, 0x33));
     _cancelButton.setBounds((_midiKeyboard.getX() - 60)/2, getHeight() - 60, 60, 35);
 }

Source/PluginEditor.h

@@ -26,6 +26,7 @@
 #include "ui/LevelIndicator.h"
 #include "ui/ParameterSlider.h"
 #include "ui/DivisionView.h"
+#include "ui/SequencerView.h"
 
 //==============================================================================
 /**
@@ -61,6 +62,8 @@ class AeolusAudioProcessorEditor  : public juce::AudioProcessorEditor,
 
     CustomMidiKeyboard _midiKeyboard;
 
+    ui::SequencerView _sequencerView;
+
     juce::Label _versionLabel;
     juce::Label _cpuLoadLabel;
     juce::Label _cpuLoadValueLabel;

Source/ui/SequencerView.cpp

@@ -0,0 +1,62 @@
+// ----------------------------------------------------------------------------
+//
+//  Copyright (C) 2021 Arthur Benilov <[email protected]>
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program 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 General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+
+#include "ui/SequencerView.h"
+
+using namespace juce;
+
+namespace ui {
+
+SequencerView::SequencerView(aeolus::Sequencer* sequencer)
+    : Component{}
+    , _sequencer{sequencer}
+    , _stepButtons{}
+{
+    jassert(sequencer != nullptr);
+    populateStepButtons();
+}
+
+void SequencerView::resized()
+{
+    constexpr int buttonWidth = 25;
+    constexpr int buttonPadding = 3;
+
+    int buttonsWidth = buttonWidth * _sequencer->getStepsCount()
+        + buttonPadding * (_sequencer->getStepsCount() - 1);
+
+    int x = (getWidth() - buttonsWidth) / 2;
+
+    for (auto* button : _stepButtons) {
+        button->setBounds(x, buttonPadding, buttonWidth, getHeight() - 2 * buttonPadding);
+        x += buttonWidth + buttonPadding;
+    }
+}
+
+void SequencerView::populateStepButtons()
+{
+    const auto numSteps = _sequencer->getStepsCount();
+
+    for (int i = 0; i < numSteps; ++i) {
+        auto button = std::make_unique<TextButton>(String(i + 1));
+        addAndMakeVisible(button.get());
+        _stepButtons.add(button.release());
+    }
+}
+
+} // namespace ui

Source/ui/SequencerView.h

@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------------------
+//
+//  Copyright (C) 2021 Arthur Benilov <[email protected]>
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program 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 General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+
+#pragma once
+
+#include "aeolus/globals.h"
+#include "aeolus/sequencer.h"
+
+namespace ui {
+
+class SequencerView : public juce::Component
+{
+public:
+
+    SequencerView(aeolus::Sequencer* sequencer);
+
+    // juce::Component
+    void resized() override;
+
+private:
+
+    void populateStepButtons();
+
+    aeolus::Sequencer* _sequencer;
+    juce::OwnedArray<juce::TextButton> _stepButtons;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(SequencerView)
+};
+
+} // namespace ui