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authorAndrei Karas <akaras@inbox.ru>2013-06-29 16:02:11 +0300
committerAndrei Karas <akaras@inbox.ru>2013-06-29 17:48:19 +0300
commit37f849a6ae4d96a22d7b972d3021c235aa294ad8 (patch)
tree5f6ed8b8ab59ed1cde7019eb9d207cbe348c14ae /src/gui/widgets/extendedlistbox.cpp
parent80623e124244977c4ba52829fe830fed103532ff (diff)
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Add support for multilines in extendedlistbox.
Diffstat (limited to 'src/gui/widgets/extendedlistbox.cpp')
-rw-r--r--src/gui/widgets/extendedlistbox.cpp174
1 files changed, 139 insertions, 35 deletions
diff --git a/src/gui/widgets/extendedlistbox.cpp b/src/gui/widgets/extendedlistbox.cpp
index 3126b14b0..00bb5e5fd 100644
--- a/src/gui/widgets/extendedlistbox.cpp
+++ b/src/gui/widgets/extendedlistbox.cpp
@@ -44,7 +44,10 @@ ExtendedListBox::ExtendedListBox(const Widget2 *const widget,
mRowHeight(rowHeight),
mImagePadding(mSkin ? mSkin->getOption("imagePadding") : 0),
mSpacing(mSkin ? mSkin->getOption("spacing") : 0),
- mItemPadding(mSkin ? mSkin->getOption("itemPadding") : 1)
+ mItemPadding(mSkin ? mSkin->getOption("itemPadding") : 1),
+ mHeight(0),
+ mListItems(),
+ mSelectedItems()
{
if (!mRowHeight)
{
@@ -73,71 +76,172 @@ void ExtendedListBox::draw(gcn::Graphics *graphics)
updateAlpha();
gcn::Font *const font = getFont();
- const int height = getRowHeight();
+ const int height = mRowHeight;
const int pad2 = 2 + mPadding;
+ const int width = mDimension.width;
int textPos = (height - font->getHeight()) / 2 + mPadding;
if (textPos < 0)
textPos = 0;
- // Draw filled rectangle around the selected list element
- if (mSelected >= 0)
+ const int sz = mListModel->getNumberOfElements();
+ mListItems.clear();
+ mSelectedItems.clear();
+ int y = 0;
+ const int insideWidth = width - pad2;
+ for (int f = 0; f < sz; f ++)
+ {
+ int row = f;
+ bool useImage = true;
+ std::string str = mListModel->getElementAt(f);
+ int strWidth = font->getWidth(str) + 8;
+
+ const Image *const image = model->getImageAt(row);
+ if (image)
+ strWidth += image->getWidth() + mImagePadding;
+
+ std::vector<ExtendedListBoxItem> &list =
+ row == mSelected ? mSelectedItems : mListItems;
+
+ if (insideWidth < strWidth)
+ {
+ const int strSize = str.size();
+ list.push_back(ExtendedListBoxItem(row,
+ str.substr(0, strSize / 2), useImage, y));
+ str = str.substr(strSize / 2);
+ y += height;
+ useImage = false;
+ }
+ list.push_back(ExtendedListBoxItem(row, str, useImage, y));
+
+ y += height;
+ }
+ mHeight = y + height;
+
+ const int itemsSz = mListItems.size();
+ const int selSz = mSelectedItems.size();
+ int minY = -1;
+ int maxY = -1;
+ for (int f = 0; f < selSz; f ++)
+ {
+ const ExtendedListBoxItem &item = mSelectedItems[f];
+ const int y1 = item.y;
+ if (minY == -1)
+ minY = y1;
+ if (maxY < y1)
+ maxY = y1;
+ }
+
+ if (minY != -1)
{
mHighlightColor.a = static_cast<int>(mAlpha * 255.0f);
graphics->setColor(mHighlightColor);
- graphics->fillRectangle(gcn::Rectangle(mPadding,
- height * mSelected + mPadding,
- getWidth() - pad2, height));
+ graphics->fillRectangle(gcn::Rectangle(mPadding, minY + mPadding,
+ width - pad2, maxY - minY + height));
}
- const int sz = mListModel->getNumberOfElements();
- for (int i = 0, y = 0; i < sz; ++i, y += height)
+ for (int f = 0; f < itemsSz; ++f)
{
- if (i != mSelected)
+ const ExtendedListBoxItem &item = mListItems[f];
+ const int row1 = item.row;
+ if (item.image)
{
- const Image *const image = model->getImageAt(i);
+ const Image *const image = model->getImageAt(row1);
if (image)
{
- g->drawImage(image, mImagePadding, y + (height
+ g->drawImage(image, mImagePadding, item.y + (height
- image->getHeight()) / 2 + mPadding);
}
}
}
+
g->setColorAll(mForegroundColor, mForegroundColor2);
- for (int i = 0, y = 0; i < sz; ++i, y += height)
+
+ for (int f = 0; f < itemsSz; ++f)
{
- if (i != mSelected)
+ const ExtendedListBoxItem &item = mListItems[f];
+ const int row1 = item.row;
+ const int y1 = item.y;
+ const Image *const image = model->getImageAt(row1);
+ if (!image || !item.image)
{
- const Image *const image = model->getImageAt(i);
- if (!image)
- {
- font->drawString(graphics, mListModel->getElementAt(i),
- mPadding, y + textPos);
- }
- else
+ font->drawString(graphics, item.text, mPadding, y1 + textPos);
+ }
+ else
+ {
+ font->drawString(graphics, item.text,
+ image->getWidth() + mImagePadding + mSpacing, y1 + textPos);
+ }
+ }
+
+
+
+ for (int f = 0; f < selSz; ++f)
+ {
+ const ExtendedListBoxItem &item = mSelectedItems[f];
+ const int row1 = item.row;
+ if (item.image)
+ {
+ const Image *const image = model->getImageAt(row1);
+ if (image)
{
- font->drawString(graphics, mListModel->getElementAt(i),
- image->getWidth() + mImagePadding + mSpacing, y + textPos);
+ g->drawImage(image, mImagePadding, item.y + (height
+ - image->getHeight()) / 2 + mPadding);
}
}
}
- if (mSelected >= 0)
+
+ g->setColorAll(mForegroundSelectedColor, mForegroundSelectedColor2);
+
+ for (int f = 0; f < selSz; ++f)
{
- const Image *const image = model->getImageAt(mSelected);
- if (!image)
+ const ExtendedListBoxItem &item = mSelectedItems[f];
+ const int row1 = item.row;
+ const int y1 = item.y;
+ const Image *const image = model->getImageAt(row1);
+ if (!image || !item.image)
{
- font->drawString(graphics, mListModel->getElementAt(mSelected),
- mPadding, mSelected * height + textPos);
+ font->drawString(graphics, item.text, mPadding, y1 + textPos);
}
else
{
- const int y = mSelected * height;
- g->drawImage(image, mImagePadding, y + (height
- - image->getHeight()) / 2 + mPadding);
- g->setColorAll(mForegroundSelectedColor,
- mForegroundSelectedColor2);
- font->drawString(graphics, mListModel->getElementAt(mSelected),
- image->getWidth() + mImagePadding + mSpacing, y + textPos);
+ font->drawString(graphics, item.text,
+ image->getWidth() + mImagePadding + mSpacing, y1 + textPos);
}
}
+
BLOCK_END("ExtendedListBox::draw")
}
+
+void ExtendedListBox::adjustSize()
+{
+ if (mHeight)
+ setHeight(mHeight + 2 * mPadding);
+ else
+ ListBox::adjustSize();
+}
+
+int ExtendedListBox::getSelectionByMouse(const int y) const
+{
+ if (mListItems.empty() && mSelectedItems.empty())
+ return ListBox::getSelectionByMouse(y);
+
+ const int height = mRowHeight;
+ const int itemsSz = mListItems.size();
+ for (int f = 0; f < itemsSz; f ++)
+ {
+ const ExtendedListBoxItem &item = mListItems[f];
+ const int y2 = item.y;
+ if (y2 <= y && y2 + height > y)
+ return item.row;
+ }
+
+ const int selSz = mSelectedItems.size();
+ for (int f = 0; f < selSz; f ++)
+ {
+ const ExtendedListBoxItem &item = mSelectedItems[f];
+ const int y2 = item.y;
+ if (y2 <= y && y2 + height > y)
+ return item.row;
+ }
+ return 0;
+}