tiny refactoring around the input config dialog

2 files changed, 91 insertions, 71 deletions

diff --git a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp
index 396da29..b0672a0 100644
--- a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp
+++ b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp
@@ -25,7 +25,6 @@
 
 #include "types.h"
 #include "Platform.h"
-#include "Config.h"
 
 #include "MapButton.h"
 #include "Input.h"
@@ -38,51 +37,6 @@ 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_FrameStep,
-    HK_FastForward,
-    HK_FastForwardToggle,
-    HK_FullscreenToggle,
-    HK_Lid,
-    HK_Mic,
-    HK_SwapScreens,
-    HK_SwapScreenEmphasis
-};
-
-const char* hk_general_labels[] =
-{
-    "Pause/resume",
-    "Reset",
-    "Frame step",
-    "Fast forward",
-    "Toggle FPS limit",
-    "Toggle fullscreen",
-    "Close/open lid",
-    "Microphone",
-    "Swap screens",
-    "Swap screen emphasis"
-};
-
-const int keypad_num = 12;
-const int hk_addons_num = 2;
-const int hk_general_num = 10;
-
-
 InputConfigDialog::InputConfigDialog(QWidget* parent) : QDialog(parent), ui(new Ui::InputConfigDialog)
 {
     ui->setupUi(this);
@@ -94,20 +48,24 @@ InputConfigDialog::InputConfigDialog(QWidget* parent) : QDialog(parent), ui(new
         keypadJoyMap[i] = Config::JoyMapping[dskeyorder[i]];
     }
 
-    for (int i = 0; i < hk_addons_num; i++)
+    int i = 0;
+    for (int hotkey : hk_addons)
     {
-        addonsKeyMap[i] = Config::HKKeyMapping[hk_addons[i]];
-        addonsJoyMap[i] = Config::HKJoyMapping[hk_addons[i]];
+        addonsKeyMap[i] = Config::HKKeyMapping[hotkey];
+        addonsJoyMap[i] = Config::HKJoyMapping[hotkey];
+        i++;
     }
 
-    for (int i = 0; i < hk_general_num; i++)
+    i = 0;
+    for (int hotkey : hk_general)
     {
-        hkGeneralKeyMap[i] = Config::HKKeyMapping[hk_general[i]];
-        hkGeneralJoyMap[i] = Config::HKJoyMapping[hk_general[i]];
+        hkGeneralKeyMap[i] = Config::HKKeyMapping[hotkey];
+        hkGeneralJoyMap[i] = Config::HKJoyMapping[hotkey];
+        i++;
     }
 
-    populatePage(ui->tabAddons, hk_addons_num, hk_addons_labels, addonsKeyMap, addonsJoyMap);
-    populatePage(ui->tabHotkeysGeneral, hk_general_num, hk_general_labels, hkGeneralKeyMap, hkGeneralJoyMap);
+    populatePage(ui->tabAddons, hk_addons_labels, addonsKeyMap, addonsJoyMap);
+    populatePage(ui->tabHotkeysGeneral, hk_general_labels, hkGeneralKeyMap, hkGeneralJoyMap);
 
     int njoy = SDL_NumJoysticks();
     if (njoy > 0)
@@ -162,7 +120,9 @@ void InputConfigDialog::setupKeypadPage()
     }
 }
 
-void InputConfigDialog::populatePage(QWidget* page, int num, const char** labels, int* keymap, int* joymap)
+void InputConfigDialog::populatePage(QWidget* page,
+    const std::initializer_list<const char*>& labels,
+    int* keymap, int* joymap)
 {
     // kind of a hack
     bool ishotkey = (page != ui->tabInput);
@@ -176,15 +136,17 @@ void InputConfigDialog::populatePage(QWidget* page, int num, const char** labels
     main_layout->addWidget(group);
     group_layout = new QGridLayout();
     group_layout->setSpacing(1);
-    for (int i = 0; i < num; i++)
+    int i = 0;
+    for (const char* labelStr : labels)
     {
-        QLabel* label = new QLabel(QString(labels[i])+":");
+        QLabel* label = new QLabel(QString(labelStr)+":");
         KeyMapButton* btn = new KeyMapButton(&keymap[i], ishotkey);
 
         group_layout->addWidget(label, i, 0);
         group_layout->addWidget(btn, i, 1);
+        i++;
     }
-    group_layout->setRowStretch(num, 1);
+    group_layout->setRowStretch(labels.size(), 1);
     group->setLayout(group_layout);
     group->setMinimumWidth(275);
 
@@ -192,15 +154,17 @@ void InputConfigDialog::populatePage(QWidget* page, int num, const char** labels
     main_layout->addWidget(group);
     group_layout = new QGridLayout();
     group_layout->setSpacing(1);
-    for (int i = 0; i < num; i++)
+    i = 0;
+    for (const char* labelStr : labels)
     {
-        QLabel* label = new QLabel(QString(labels[i])+":");
+        QLabel* label = new QLabel(QString(labelStr)+":");
         JoyMapButton* btn = new JoyMapButton(&joymap[i], ishotkey);
 
         group_layout->addWidget(label, i, 0);
         group_layout->addWidget(btn, i, 1);
+        i++;
     }
-    group_layout->setRowStretch(num, 1);
+    group_layout->setRowStretch(labels.size(), 1);
     group->setLayout(group_layout);
     group->setMinimumWidth(275);
 
@@ -215,16 +179,20 @@ void InputConfigDialog::on_InputConfigDialog_accepted()
         Config::JoyMapping[dskeyorder[i]] = keypadJoyMap[i];
     }
 
-    for (int i = 0; i < hk_addons_num; i++)
+    int i = 0;
+    for (int hotkey : hk_addons)
     {
-        Config::HKKeyMapping[hk_addons[i]] = addonsKeyMap[i];
-        Config::HKJoyMapping[hk_addons[i]] = addonsJoyMap[i];
+        Config::HKKeyMapping[hotkey] = addonsKeyMap[i];
+        Config::HKJoyMapping[hotkey] = addonsJoyMap[i];
+        i++;
     }
 
-    for (int i = 0; i < hk_general_num; i++)
+    i = 0;
+    for (int hotkey : hk_general)
     {
-        Config::HKKeyMapping[hk_general[i]] = hkGeneralKeyMap[i];
-        Config::HKJoyMapping[hk_general[i]] = hkGeneralJoyMap[i];
+        Config::HKKeyMapping[hotkey] = hkGeneralKeyMap[i];
+        Config::HKJoyMapping[hotkey] = hkGeneralJoyMap[i];
+        i++;
     }
 
     Config::JoystickID = Input::JoystickID;
diff --git a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.h b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.h
index f1ea059..76112e8 100644
--- a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.h
+++ b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.h
@@ -21,6 +21,56 @@
 
 #include <QDialog>
 #include <QPushButton>
+#include <initializer_list>
+
+#include "Config.h"
+
+static constexpr int keypad_num = 12;
+
+static constexpr std::initializer_list<int> hk_addons =
+{
+    HK_SolarSensorIncrease,
+    HK_SolarSensorDecrease,
+};
+
+static constexpr std::initializer_list<const char*> hk_addons_labels =
+{
+    "[Boktai] Sunlight + ",
+    "[Boktai] Sunlight - ",
+};
+
+static_assert(hk_addons.size() == hk_addons_labels.size());
+
+static constexpr std::initializer_list<int> hk_general =
+{
+    HK_Pause,
+    HK_Reset,
+    HK_FrameStep,
+    HK_FastForward,
+    HK_FastForwardToggle,
+    HK_FullscreenToggle,
+    HK_Lid,
+    HK_Mic,
+    HK_SwapScreens,
+    HK_SwapScreenEmphasis
+};
+
+static constexpr std::initializer_list<const char*> hk_general_labels =
+{
+    "Pause/resume",
+    "Reset",
+    "Frame step",
+    "Fast forward",
+    "Toggle FPS limit",
+    "Toggle fullscreen",
+    "Close/open lid",
+    "Microphone",
+    "Swap screens",
+    "Swap screen emphasis"
+};
+
+static_assert(hk_general.size() == hk_general_labels.size());
+
 
 namespace Ui { class InputConfigDialog; }
 class InputConfigDialog;
@@ -60,14 +110,16 @@ private slots:
     void on_cbxJoystick_currentIndexChanged(int id);
 
 private:
-    void populatePage(QWidget* page, int num, const char** labels, int* keymap, int* joymap);
+    void populatePage(QWidget* page,
+        const std::initializer_list<const char*>& labels,
+        int* keymap, int* joymap);
     void setupKeypadPage();
 
     Ui::InputConfigDialog* ui;
 
-    int keypadKeyMap[12],   keypadJoyMap[12];
-    int addonsKeyMap[2],    addonsJoyMap[2];
-    int hkGeneralKeyMap[9], hkGeneralJoyMap[9];
+    int keypadKeyMap[12], keypadJoyMap[12];
+    int addonsKeyMap[hk_addons.size()], addonsJoyMap[hk_addons.size()];
+    int hkGeneralKeyMap[hk_general.size()], hkGeneralJoyMap[hk_general.size()];
 };