Merge remote-tracking branch 'remotes/upstream/master' into feature/qt-platform

# Conflicts:
#	src/frontend/qt_sdl/CMakeLists.txt
#	src/frontend/qt_sdl/Platform.cpp
#	src/frontend/qt_sdl/main.cpp

1 files changed, 494 insertions, 0 deletions

diff --git a/src/frontend/qt_sdl/InputConfigDialog.cpp b/src/frontend/qt_sdl/InputConfigDialog.cpp
new file mode 100644
index 0000000..81baa65
--- /dev/null
+++ b/src/frontend/qt_sdl/InputConfigDialog.cpp
@@ -0,0 +1,494 @@
+/*
+    Copyright 2016-2020 Arisotura
+
+    This file is part of melonDS.
+
+    melonDS 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.
+
+    melonDS 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 melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#include <QGroupBox>
+#include <QLabel>
+#include <QKeyEvent>
+
+#include <SDL2/SDL.h>
+
+#include "types.h"
+#include "Config.h"
+#include "PlatformConfig.h"
+
+#include "Input.h"
+#include "InputConfigDialog.h"
+#include "ui_InputConfigDialog.h"
+
+
+InputConfigDialog* InputConfigDialog::currentDlg = nullptr;
+
+const int dskeyorder[12] = {0, 1, 10, 11, 5, 4, 6, 7, 9, 8, 2, 3};
+const char* dskeylabels[12] = {"A", "B", "X", "Y", "Left", "Right", "Up", "Down", "L", "R", "Select", "Start"};
+
+const int hk_addons[] =
+{
+    HK_SolarSensorIncrease,
+    HK_SolarSensorDecrease,
+};
+
+const char* hk_addons_labels[] =
+{
+    "[Boktai] Sunlight + ",
+    "[Boktai] Sunlight - ",
+};
+
+const int hk_general[] =
+{
+    HK_Pause,
+    HK_Reset,
+    HK_FastForward,
+    HK_FastForwardToggle,
+    HK_Lid,
+    HK_Mic,
+};
+
+const char* hk_general_labels[] =
+{
+    "Pause/resume",
+    "Reset",
+    "Fast forward",
+    "Toggle FPS limit",
+    "Close/open lid",
+    "Microphone",
+};
+
+
+InputConfigDialog::InputConfigDialog(QWidget* parent) : QDialog(parent), ui(new Ui::InputConfigDialog)
+{
+    ui->setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    for (int i = 0; i < 12; i++)
+    {
+        keypadKeyMap[i] = Config::KeyMapping[dskeyorder[i]];
+        keypadJoyMap[i] = Config::JoyMapping[dskeyorder[i]];
+    }
+
+    for (int i = 0; i < 2; i++)
+    {
+        addonsKeyMap[i] = Config::HKKeyMapping[hk_addons[i]];
+        addonsJoyMap[i] = Config::HKJoyMapping[hk_addons[i]];
+    }
+
+    for (int i = 0; i < 6; i++)
+    {
+        hkGeneralKeyMap[i] = Config::HKKeyMapping[hk_general[i]];
+        hkGeneralJoyMap[i] = Config::HKJoyMapping[hk_general[i]];
+    }
+
+    populatePage(ui->tabInput, 12, dskeylabels, keypadKeyMap, keypadJoyMap);
+    populatePage(ui->tabAddons, 2, hk_addons_labels, addonsKeyMap, addonsJoyMap);
+    populatePage(ui->tabHotkeysGeneral, 6, hk_general_labels, hkGeneralKeyMap, hkGeneralJoyMap);
+
+    int njoy = SDL_NumJoysticks();
+    if (njoy > 0)
+    {
+        for (int i = 0; i < njoy; i++)
+        {
+            const char* name = SDL_JoystickNameForIndex(i);
+            ui->cbxJoystick->addItem(QString(name));
+        }
+        ui->cbxJoystick->setCurrentIndex(Input::JoystickID);
+    }
+    else
+    {
+        ui->cbxJoystick->addItem("(no joysticks available)");
+        ui->cbxJoystick->setEnabled(false);
+    }
+}
+
+InputConfigDialog::~InputConfigDialog()
+{
+    delete ui;
+}
+
+void InputConfigDialog::populatePage(QWidget* page, int num, const char** labels, int* keymap, int* joymap)
+{
+    // kind of a hack
+    bool ishotkey = (page != ui->tabInput);
+
+    QHBoxLayout* main_layout = new QHBoxLayout();
+
+    QGroupBox* group;
+    QGridLayout* group_layout;
+
+    group = new QGroupBox("Keyboard mappings:");
+    main_layout->addWidget(group);
+    group_layout = new QGridLayout();
+    group_layout->setSpacing(1);
+    for (int i = 0; i < num; i++)
+    {
+        QLabel* label = new QLabel(QString(labels[i])+":");
+        KeyMapButton* btn = new KeyMapButton(&keymap[i], ishotkey);
+
+        group_layout->addWidget(label, i, 0);
+        group_layout->addWidget(btn, i, 1);
+    }
+    group_layout->setRowStretch(num, 1);
+    group->setLayout(group_layout);
+    group->setMinimumWidth(275);
+
+    group = new QGroupBox("Joystick mappings:");
+    main_layout->addWidget(group);
+    group_layout = new QGridLayout();
+    group_layout->setSpacing(1);
+    for (int i = 0; i < num; i++)
+    {
+        QLabel* label = new QLabel(QString(labels[i])+":");
+        JoyMapButton* btn = new JoyMapButton(&joymap[i], ishotkey);
+
+        group_layout->addWidget(label, i, 0);
+        group_layout->addWidget(btn, i, 1);
+    }
+    group_layout->setRowStretch(num, 1);
+    group->setLayout(group_layout);
+    group->setMinimumWidth(275);
+
+    page->setLayout(main_layout);
+}
+
+void InputConfigDialog::on_InputConfigDialog_accepted()
+{
+    for (int i = 0; i < 12; i++)
+    {
+        Config::KeyMapping[dskeyorder[i]] = keypadKeyMap[i];
+        Config::JoyMapping[dskeyorder[i]] = keypadJoyMap[i];
+    }
+
+    for (int i = 0; i < 2; i++)
+    {
+        Config::HKKeyMapping[hk_addons[i]] = addonsKeyMap[i];
+        Config::HKJoyMapping[hk_addons[i]] = addonsJoyMap[i];
+    }
+
+    for (int i = 0; i < 6; i++)
+    {
+        Config::HKKeyMapping[hk_general[i]] = hkGeneralKeyMap[i];
+        Config::HKJoyMapping[hk_general[i]] = hkGeneralJoyMap[i];
+    }
+
+    Config::JoystickID = Input::JoystickID;
+    Config::Save();
+
+    closeDlg();
+}
+
+void InputConfigDialog::on_InputConfigDialog_rejected()
+{
+    Input::JoystickID = Config::JoystickID;
+    Input::OpenJoystick();
+
+    closeDlg();
+}
+
+void InputConfigDialog::on_cbxJoystick_currentIndexChanged(int id)
+{
+    // prevent a spurious change
+    if (ui->cbxJoystick->count() < 2) return;
+
+    Input::JoystickID = id;
+    Input::OpenJoystick();
+}
+
+
+KeyMapButton::KeyMapButton(int* mapping, bool hotkey) : QPushButton()
+{
+    this->mapping = mapping;
+    this->isHotkey = hotkey;
+
+    setCheckable(true);
+    setText(mappingText());
+
+    connect(this, &KeyMapButton::clicked, this, &KeyMapButton::onClick);
+}
+
+KeyMapButton::~KeyMapButton()
+{
+}
+
+void KeyMapButton::keyPressEvent(QKeyEvent* event)
+{
+    if (!isChecked()) return QPushButton::keyPressEvent(event);
+
+    printf("KEY PRESSED = %08X %08X | %08X %08X %08X\n", event->key(), event->modifiers(), event->nativeVirtualKey(), event->nativeModifiers(), event->nativeScanCode());
+
+    int key = event->key();
+    int mod = event->modifiers();
+    bool ismod = (key == Qt::Key_Control ||
+                  key == Qt::Key_Alt ||
+                  key == Qt::Key_AltGr ||
+                  key == Qt::Key_Shift ||
+                  key == Qt::Key_Meta);
+
+    if (!mod)
+    {
+        if (key == Qt::Key_Escape) { click(); return; }
+        if (key == Qt::Key_Backspace) { *mapping = -1; click(); return; }
+    }
+
+    if (isHotkey)
+    {
+        if (ismod)
+            return;
+    }
+
+    if (!ismod)
+        key |= mod;
+    else if (Input::IsRightModKey(event))
+        key |= (1<<31);
+
+    *mapping = key;
+    click();
+}
+
+void KeyMapButton::focusOutEvent(QFocusEvent* event)
+{
+    if (isChecked())
+    {
+        // if we lost the focus while mapping, consider it 'done'
+        click();
+    }
+
+    QPushButton::focusOutEvent(event);
+}
+
+void KeyMapButton::onClick()
+{
+    if (isChecked())
+    {
+        setText("[press key]");
+    }
+    else
+    {
+        setText(mappingText());
+    }
+}
+
+QString KeyMapButton::mappingText()
+{
+    int key = *mapping;
+
+    if (key == -1) return "None";
+
+    QString isright = (key & (1<<31)) ? "Right " : "Left ";
+    key &= ~(1<<31);
+
+    switch (key)
+    {
+    case Qt::Key_Control: return isright + "Ctrl";
+    case Qt::Key_Alt:     return "Alt";
+    case Qt::Key_AltGr:   return "AltGr";
+    case Qt::Key_Shift:   return isright + "Shift";
+    case Qt::Key_Meta:    return "Meta";
+    }
+
+    QKeySequence seq(key);
+    QString ret = seq.toString();
+
+    // weak attempt at detecting garbage key names
+    if (ret.length() == 2 && ret[0].unicode() > 0xFF)
+        return QString("[%1]").arg(key, 8, 16);
+
+    return ret.replace("&", "&&");
+}
+
+
+JoyMapButton::JoyMapButton(int* mapping, bool hotkey) : QPushButton()
+{
+    this->mapping = mapping;
+    this->isHotkey = hotkey;
+
+    setCheckable(true);
+    setText(mappingText());
+
+    connect(this, &JoyMapButton::clicked, this, &JoyMapButton::onClick);
+
+    timerID = 0;
+}
+
+JoyMapButton::~JoyMapButton()
+{
+}
+
+void JoyMapButton::keyPressEvent(QKeyEvent* event)
+{
+    if (!isChecked()) return QPushButton::keyPressEvent(event);
+
+    int key = event->key();
+    int mod = event->modifiers();
+
+    if (!mod)
+    {
+        if (key == Qt::Key_Escape) { click(); return; }
+        if (key == Qt::Key_Backspace) { *mapping = -1; click(); return; }
+    }
+}
+
+void JoyMapButton::focusOutEvent(QFocusEvent* event)
+{
+    if (isChecked())
+    {
+        // if we lost the focus while mapping, consider it 'done'
+        click();
+    }
+
+    QPushButton::focusOutEvent(event);
+}
+
+void JoyMapButton::timerEvent(QTimerEvent* event)
+{
+    SDL_Joystick* joy = Input::Joystick;
+    if (!joy) { click(); return; }
+    if (!SDL_JoystickGetAttached(joy)) { click(); return; }
+
+    int oldmap;
+    if (*mapping == -1) oldmap = 0xFFFF;
+    else                oldmap = *mapping;
+
+    int nbuttons = SDL_JoystickNumButtons(joy);
+    for (int i = 0; i < nbuttons; i++)
+    {
+        if (SDL_JoystickGetButton(joy, i))
+        {
+            *mapping = (oldmap & 0xFFFF0000) | i;
+            click();
+            return;
+        }
+    }
+
+    int nhats = SDL_JoystickNumHats(joy);
+    if (nhats > 16) nhats = 16;
+    for (int i = 0; i < nhats; i++)
+    {
+        Uint8 blackhat = SDL_JoystickGetHat(joy, i);
+        if (blackhat)
+        {
+            if      (blackhat & 0x1) blackhat = 0x1;
+            else if (blackhat & 0x2) blackhat = 0x2;
+            else if (blackhat & 0x4) blackhat = 0x4;
+            else                     blackhat = 0x8;
+
+            *mapping = (oldmap & 0xFFFF0000) | 0x100 | blackhat | (i << 4);
+            click();
+            return;
+        }
+    }
+
+    int naxes = SDL_JoystickNumAxes(joy);
+    if (naxes > 16) naxes = 16;
+    for (int i = 0; i < naxes; i++)
+    {
+        Sint16 axisval = SDL_JoystickGetAxis(joy, i);
+        int diff = abs(axisval - axesRest[i]);
+
+        if (axesRest[i] < -16384 && axisval >= 0)
+        {
+            *mapping = (oldmap & 0xFFFF) | 0x10000 | (2 << 20) | (i << 24);
+            click();
+            return;
+        }
+        else if (diff > 16384)
+        {
+            int axistype;
+            if (axisval > 0) axistype = 0;
+            else             axistype = 1;
+
+            *mapping = (oldmap & 0xFFFF) | 0x10000 | (axistype << 20) | (i << 24);
+            click();
+            return;
+        }
+    }
+}
+
+void JoyMapButton::onClick()
+{
+    if (isChecked())
+    {
+        setText("[press button/axis]");
+        timerID = startTimer(50);
+
+        memset(axesRest, 0, sizeof(axesRest));
+        if (Input::Joystick && SDL_JoystickGetAttached(Input::Joystick))
+        {
+            int naxes = SDL_JoystickNumAxes(Input::Joystick);
+            if (naxes > 16) naxes = 16;
+            for (int a = 0; a < naxes; a++)
+            {
+                axesRest[a] = SDL_JoystickGetAxis(Input::Joystick, a);
+            }
+        }
+    }
+    else
+    {
+        setText(mappingText());
+        if (timerID) { killTimer(timerID); timerID = 0; }
+    }
+}
+
+QString JoyMapButton::mappingText()
+{
+    int id = *mapping;
+
+    if (id == -1) return "None";
+
+    bool hasbtn = ((id & 0xFFFF) != 0xFFFF);
+    QString str;
+
+    if (hasbtn)
+    {
+        if (id & 0x100)
+        {
+            int hatnum = ((id >> 4) & 0xF) + 1;
+
+            switch (id & 0xF)
+            {
+            case 0x1: str = "Hat %1 up"; break;
+            case 0x2: str = "Hat %1 right"; break;
+            case 0x4: str = "Hat %1 down"; break;
+            case 0x8: str = "Hat %1 left"; break;
+            }
+
+            str = str.arg(hatnum);
+        }
+        else
+        {
+            str = QString("Button %1").arg((id & 0xFFFF) + 1);
+        }
+    }
+    else
+    {
+        str = "";
+    }
+
+    if (id & 0x10000)
+    {
+        int axisnum = ((id >> 24) & 0xF) + 1;
+
+        if (hasbtn) str += " / ";
+
+        switch ((id >> 20) & 0xF)
+        {
+        case 0: str += QString("Axis %1 +").arg(axisnum); break;
+        case 1: str += QString("Axis %1 -").arg(axisnum); break;
+        case 2: str += QString("Trigger %1").arg(axisnum); break;
+        }
+    }
+
+    return str;
+}