1 files changed, 194 insertions, 0 deletions
diff --git a/gui/button.cpp b/gui/button.cpp
new file mode 100644
index 000000000..72e2fe905
--- /dev/null
+++ b/gui/button.cpp
@@ -0,0 +1,194 @@
+// button.cpp - GUIButton object
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/reboot.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <string>
+
+extern "C" {
+#include "../common.h"
+#include "../minuitwrp/minui.h"
+#include "../recovery_ui.h"
+}
+
+#include "rapidxml.hpp"
+#include "objects.hpp"
+
+GUIButton::GUIButton(xml_node<>* node)
+    : Conditional(node)
+{
+    xml_attribute<>* attr;
+    xml_node<>* child;
+
+    mButtonImg = NULL;
+    mButtonIcon = NULL;
+    mButtonLabel = NULL;
+    mAction = NULL;
+    mRendered = false;
+
+    if (!node)  return;
+
+    // Three of the four can be loaded directly from the node
+    mButtonImg = new GUIImage(node);
+    mButtonLabel = new GUIText(node);
+    mAction = new GUIAction(node);
+
+    if (mButtonImg->Render() < 0)
+    {
+        LOGE("Unable to locate button image\n");
+        delete mButtonImg;
+        mButtonImg = NULL;
+    }
+    if (mButtonLabel->Render() < 0)
+    {
+        delete mButtonLabel;
+        mButtonLabel = NULL;
+    }
+
+    // The icon is a special case
+    child = node->first_node("icon");
+    if (child)
+    {
+        attr = child->first_attribute("resource");
+        if (attr)
+            mButtonIcon = PageManager::FindResource(attr->value());
+    }
+
+    int x, y, w, h;
+    if (mButtonImg)     mButtonImg->GetRenderPos(x, y, w, h);
+    SetRenderPos(x, y, w, h);
+    return;
+}
+
+GUIButton::~GUIButton()
+{
+    if (mButtonImg)     delete mButtonImg;
+    if (mButtonLabel)   delete mButtonLabel;
+    if (mAction)        delete mAction;
+	if (mButtonIcon)    delete mButtonIcon;
+}
+
+int GUIButton::Render(void)
+{
+    if (!isConditionTrue())
+    {
+        mRendered = false;
+        return 0;
+    }
+
+    int ret = 0;
+
+    if (mButtonImg)     ret = mButtonImg->Render();
+    if (ret < 0)        return ret;
+    if (mButtonIcon && mButtonIcon->GetResource())
+        gr_blit(mButtonIcon->GetResource(), 0, 0, mIconW, mIconH, mIconX, mIconY);
+    if (mButtonLabel)   ret = mButtonLabel->Render();
+    if (ret < 0)        return ret;
+    mRendered = true;
+    return ret;
+}
+
+int GUIButton::Update(void)
+{
+    if (!isConditionTrue())     return (mRendered ? 2 : 0);
+    if (!mRendered)             return 2;
+
+    int ret = 0, ret2 = 0;
+
+    if (mButtonImg)         ret = mButtonImg->Update();
+    if (ret < 0)            return ret;
+
+    if (ret == 0)
+    {
+        if (mButtonLabel)   ret2 = mButtonLabel->Update();
+        if (ret2 < 0)       return ret2;
+        if (ret2 > ret)     ret = ret2;
+    }
+    else if (ret == 1)
+    {
+        // The button re-rendered, so everyone else is a render
+        if (mButtonIcon && mButtonIcon->GetResource())
+            gr_blit(mButtonIcon->GetResource(), 0, 0, mIconW, mIconH, mIconX, mIconY);
+        if (mButtonLabel)   ret = mButtonLabel->Render();
+        if (ret < 0)        return ret;
+        ret = 1;
+    }
+    else
+    {
+        // Aparently, the button needs a background update
+        ret = 2;
+    }
+    return ret;
+}
+
+int GUIButton::SetRenderPos(int x, int y, int w, int h)
+{
+    mRenderX = x;
+    mRenderY = y;
+    if (w || h)
+    {
+        mRenderW = w;
+        mRenderH = h;
+    }
+
+    mIconW = 0;     mIconH = 0;
+    if (mButtonIcon && mButtonIcon->GetResource())
+    {
+        mIconW = gr_get_width(mButtonIcon->GetResource());
+        mIconH = gr_get_height(mButtonIcon->GetResource());
+    }
+
+    mTextH = 0;
+    mTextW = 0;
+    mIconX = mRenderX + ((mRenderW - mIconW) / 2);
+    if (mButtonLabel)   mButtonLabel->GetCurrentBounds(mTextW, mTextH);
+    if (mTextW)
+    {
+        // As a special case, we'll allow large text which automatically moves it to the right.
+        if (mTextW > mRenderW)
+        {
+            mTextX = mRenderW + mRenderX + 5;
+            mRenderW += mTextW + 5;
+        }
+        else
+        {
+            mTextX = mRenderX + ((mRenderW - mTextW) / 2);
+        }
+    }
+
+    if (mIconH == 0 || mTextH == 0 || mIconH + mTextH > mRenderH)
+    {
+        mIconY = mRenderY + (mRenderH / 2) - (mIconH / 2);
+        mTextY = mRenderY + (mRenderH / 2) - (mTextH / 2);
+    }
+    else
+    {
+        int divisor = mRenderH - (mIconH + mTextH);
+        mIconY = mRenderY + (divisor / 3);
+        mTextY = mRenderY + (divisor * 2 / 3) + mIconH;
+    }
+
+    if (mButtonLabel)   mButtonLabel->SetRenderPos(mTextX, mTextY);
+    if (mAction)        mAction->SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
+    SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
+    return 0;
+}
+
+int GUIButton::NotifyTouch(TOUCH_STATE state, int x, int y)
+{
+    if (!isConditionTrue())     return -1;
+    return (mAction ? mAction->NotifyTouch(state, x, y) : 1);
+}
+