Add support for set new pincode.

Add pincode dialog and widget.

4 files changed, 281 insertions, 0 deletions

diff --git a/src/gui/widgets/pincode.cpp b/src/gui/widgets/pincode.cpp
new file mode 100644
index 000000000..d05684056
--- /dev/null
+++ b/src/gui/widgets/pincode.cpp
@@ -0,0 +1,198 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2018  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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 2 of the License, or
+ *  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 "gui/widgets/pincode.h"
+
+#include "gui/gui.h"
+#include "gui/skin.h"
+
+#include "gui/widgets/button.h"
+#include "gui/widgets/textfield.h"
+
+#include "utils/gettext.h"
+#include "utils/stringutils.h"
+
+#include "debug.h"
+
+Skin *Pincode::mSkin = nullptr;
+int Pincode::mInstances = 0;
+
+Pincode::Pincode(const Widget2 *const widget,
+                 TextField *const textField) :
+    Container(widget),
+    ActionListener(),
+    WidgetListener(),
+    mButtons(),
+    mText(),
+    mTextField(textField),
+    mPadding(0),
+    mSpacing(2)
+{
+    mAllowLogic = false;
+    setOpaque(Opaque_false);
+
+    if (mInstances == 0)
+    {
+        if (theme != nullptr)
+        {
+            mSkin = theme->load("pin.xml",
+                "",
+                true,
+                Theme::getThemePath());
+        }
+    }
+    mInstances ++;
+
+    if (mSkin != nullptr)
+    {
+        mPadding = mSkin->getPadding();
+        mSpacing = mSkin->getOption("spacing", 2);
+    }
+    setSelectable(false);
+
+    addButtons();
+    adjustSize();
+}
+
+Pincode::~Pincode()
+{
+    if (mWindow != nullptr)
+        mWindow->removeWidgetListener(this);
+
+    if (gui != nullptr)
+        gui->removeDragged(this);
+
+    mInstances --;
+    if (mInstances == 0)
+    {
+        if (theme != nullptr)
+            theme->unload(mSkin);
+    }
+}
+
+void Pincode::addButtons()
+{
+    int buttonWidth = 0;
+    int buttonHeight = 0;
+    for (int f = 0; f < 10; f ++)
+    {
+        const std::string str = toString(f);
+        mButtons[f] = new Button(this, str, str, this);
+        mButtons[f]->adjustSize();
+        const Rect &rect = mButtons[f]->getDimension();
+        if (rect.width > buttonWidth)
+            buttonWidth = rect.width;
+        if (rect.height > buttonHeight)
+            buttonHeight = rect.height;
+        add(mButtons[f]);
+    }
+    int x = 0;
+    int y = 0;
+    const int xSize = buttonWidth + mSpacing;
+    const int ySize = buttonHeight + mSpacing;
+    for (int f = 0; f < 10; f ++)
+    {
+        mButtons[f]->setPosition(mPadding + x * xSize,
+            mPadding + y * ySize);
+        x ++;
+        if (x > 2)
+        {
+            x = 0;
+            y ++;
+        }
+    }
+    mButtons[10] = new Button(this,
+        // TRANSLATORS: clear pin code button
+        _("Clear"),
+        "clear",
+        this);
+    mButtons[10]->adjustSize();
+    add(mButtons[10]);
+    mButtons[10]->setPosition(mPadding + xSize,
+        mPadding + 3 * ySize);
+
+    mButtonWidth = buttonWidth;
+    mButtonHeight = buttonHeight;
+}
+
+void Pincode::adjustSize()
+{
+    const int pad2 = mPadding * 2;
+    setSize(pad2 + 3 * mButtonWidth + 2 * mSpacing,
+        pad2 + 4 * mButtonHeight + 3 * mSpacing);
+}
+
+void Pincode::finalCleanup()
+{
+    mSkin = nullptr;
+}
+
+void Pincode::action(const ActionEvent &event)
+{
+    if (event.getId() == "clear")
+    {
+        mText.clear();
+        mTextField->setText(mText);
+        mTextField->signalEvent();
+        return;
+    }
+    if (mText.size() >= 4)
+        return;
+    Widget *const eventSrc = event.getSource();
+    for (int f = 0; f < 10; f ++)
+    {
+        if (mButtons[f] == eventSrc)
+        {
+            const std::string str = toString(f);
+            mText.append(str);
+            mTextField->setText(mText);
+            mTextField->signalEvent();
+            return;
+        }
+    }
+}
+
+void Pincode::shuffle(uint32_t seed)
+{
+    int tab[10];
+    const uint32_t multiplier = 0x3498;
+    const uint32_t baseSeed = 0x881234;
+    int k = 2;
+
+    for (size_t f = 0; f < 10; f ++)
+        tab[f] = f;
+    for (size_t f = 1; f < 10; f ++)
+    {
+        seed = baseSeed + seed * multiplier;
+        const size_t pos = seed % k;
+        if (f != pos)
+        {
+            const int tmp = tab[f];
+            tab[f] = tab[pos];
+            tab[pos] = tmp;
+        }
+        k = k + 1;
+    }
+    for (size_t f = 0; f < 10; f ++)
+    {
+        const std::string str = toString(tab[f]);
+        mButtons[f]->setCaption(str);
+    }
+}
diff --git a/src/gui/widgets/pincode.h b/src/gui/widgets/pincode.h
new file mode 100644
index 000000000..e707b5915
--- /dev/null
+++ b/src/gui/widgets/pincode.h
@@ -0,0 +1,76 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2018  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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 2 of the License, or
+ *  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/>.
+ */
+
+#ifndef GUI_WIDGETS_PINCODE_H
+#define GUI_WIDGETS_PINCODE_H
+
+#include "gui/fonts/textchunk.h"
+
+#include "gui/widgets/container.h"
+
+#include "listeners/actionlistener.h"
+#include "listeners/widgetlistener.h"
+
+#include "render/graphics.h"
+
+#include "localconsts.h"
+
+class Button;
+class Skin;
+class TextField;
+
+class Pincode final : public Container,
+                      public ActionListener,
+                      public WidgetListener
+{
+    public:
+        Pincode(const Widget2 *const widget,
+                TextField *const textField);
+
+        A_DELETE_COPY(Pincode)
+
+        ~Pincode() override final;
+
+        void adjustSize();
+
+        void action(const ActionEvent &event) override final;
+
+        void shuffle(uint32_t seed);
+
+        static Skin *mSkin;
+
+        static int mInstances;
+
+        static void finalCleanup();
+
+    protected:
+        void addButtons();
+
+    private:
+        Button *mButtons[11];
+        std::string mText;
+        TextField *mTextField;
+        int mPadding;
+        int mSpacing;
+        int mButtonWidth;
+        int mButtonHeight;
+};
+
+#endif  // GUI_WIDGETS_PINCODE_H
diff --git a/src/gui/widgets/textfield.cpp b/src/gui/widgets/textfield.cpp
index 6012f6d28..b80404c73 100644
--- a/src/gui/widgets/textfield.cpp
+++ b/src/gui/widgets/textfield.cpp
@@ -838,3 +838,8 @@ void TextField::setWindow(Widget *const widget)
         Widget2::setWindow(widget);
     }
 }
+
+void TextField::signalEvent()
+{
+    distributeActionEvent();
+}
diff --git a/src/gui/widgets/textfield.h b/src/gui/widgets/textfield.h
index e4ac1b173..720a82906 100644
--- a/src/gui/widgets/textfield.h
+++ b/src/gui/widgets/textfield.h
@@ -241,6 +241,8 @@ class TextField notfinal : public Widget,
 
         void setWindow(Widget *const widget) override final;
 
+        void signalEvent();
+
     protected:
         void drawCaret(Graphics* graphics, int x) A_NONNULL(2);