diff options
Diffstat (limited to 'src/gui/table.cpp')
| -rw-r--r-- | src/gui/table.cpp | 264 |
1 files changed, 211 insertions, 53 deletions
diff --git a/src/gui/table.cpp b/src/gui/table.cpp index f6678737..8dd546d9 100644 --- a/src/gui/table.cpp +++ b/src/gui/table.cpp @@ -19,13 +19,18 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <guichan/actionlistener.hpp> +#include <guichan/graphics.hpp> +#include <guichan/key.hpp> + +#include "color.h" #include "table.h" -#include <guichan/graphics.hpp> -#include <guichan/actionlistener.hpp> +#include "../configuration.h" -#include <cassert> +#include "../utils/dtor.h" +float GuiTable::mAlpha = config.getValue("guialpha", 0.8); class GuiTableActionListener : public gcn::ActionListener { @@ -50,7 +55,8 @@ GuiTableActionListener::GuiTableActionListener(GuiTable *table, gcn::Widget *wid mColumn(column), mWidget(widget) { - if (widget) { + if (widget) + { widget->addActionListener(this); widget->_setParent(table); } @@ -58,7 +64,8 @@ GuiTableActionListener::GuiTableActionListener(GuiTable *table, gcn::Widget *wid GuiTableActionListener::~GuiTableActionListener() { - if (mWidget) { + if (mWidget) + { mWidget->removeActionListener(this); mWidget->_setParent(NULL); } @@ -71,14 +78,20 @@ void GuiTableActionListener::action(const gcn::ActionEvent& actionEvent) } -GuiTable::GuiTable(TableModel *initial_model) : +GuiTable::GuiTable(TableModel *initial_model, gcn::Color background, + bool opacity) : mLinewiseMode(false), + mWrappingEnabled(false), + mOpaque(opacity), + mBackgroundColor(background), mModel(NULL), mSelectedRow(0), mSelectedColumn(0), mTopWidget(NULL) { setModel(initial_model); + setFocusable(true); + addMouseListener(this); addKeyListener(this); } @@ -95,7 +108,8 @@ TableModel *GuiTable::getModel() const void GuiTable::setModel(TableModel *new_model) { - if (mModel) { + if (mModel) + { uninstallActionListeners(); mModel->removeListener(this); } @@ -103,13 +117,13 @@ void GuiTable::setModel(TableModel *new_model) mModel = new_model; installActionListeners(); - if (new_model) { + if (new_model) + { new_model->installListener(this); recomputeDimensions(); } } - void GuiTable::recomputeDimensions() { int rows_nr = mModel->getRows(); @@ -169,10 +183,62 @@ int GuiTable::getColumnWidth(int i) return 0; } -void GuiTable::uninstallActionListeners() +void GuiTable::setSelectedRow(int selected) { - for (std::vector<GuiTableActionListener *>::const_iterator it = action_listeners.begin(); it != action_listeners.end(); it++) - delete *it; + if (!mModel) + { + mSelectedRow = -1; + } + else + { + if (selected < 0 && !mWrappingEnabled) + { + mSelectedRow = -1; + } + else if (selected >= mModel->getRows() && mWrappingEnabled) + { + mSelectedRow = 0; + } + else if ((selected >= mModel->getRows() && !mWrappingEnabled) || + (selected < 0 && mWrappingEnabled)) + { + mSelectedRow = mModel->getRows() - 1; + } + else + { + mSelectedRow = selected; + } + } +} + +void GuiTable::setSelectedColumn(int selected) +{ + if (!mModel) + { + mSelectedColumn = -1; + } + else + { + if ((selected >= mModel->getColumns() && mWrappingEnabled) || + (selected < 0 && !mWrappingEnabled)) + { + mSelectedColumn = 0; + } + else if ((selected >= mModel->getColumns() && !mWrappingEnabled) || + (selected < 0 && mWrappingEnabled)) + { + mSelectedColumn = mModel->getColumns() - 1; + } + else + { + mSelectedColumn = selected; + } + } +} + +void GuiTable::uninstallActionListeners(void) +{ + delete_all(action_listeners); action_listeners.clear(); } @@ -185,10 +251,11 @@ void GuiTable::installActionListeners() int columns = mModel->getColumns(); for (int row = 0; row < rows; ++row) - for (int column = 0; column < columns; ++column) { + for (int column = 0; column < columns; ++column) + { gcn::Widget *widget = mModel->getElementAt(row, column); action_listeners.push_back(new GuiTableActionListener(this, widget, - row, column)); + row, column)); } _setFocusHandler(_getFocusHandler()); // propagate focus handler to widgets @@ -197,12 +264,22 @@ void GuiTable::installActionListeners() // -- widget ops void GuiTable::draw(gcn::Graphics* graphics) { - graphics->setColor(getBackgroundColor()); - graphics->fillRectangle(gcn::Rectangle(0, 0, getWidth(), getHeight())); - if (!mModel) return; + if (config.getValue("guialpha", 0.8) != mAlpha) + mAlpha = config.getValue("guialpha", 0.8); + + if (mOpaque) + { + const int red = getBackgroundColor().r; + const int green = getBackgroundColor().g; + const int blue = getBackgroundColor().b; + const int alpha = mAlpha * 255; + graphics->setColor(gcn::Color(red, green, blue, alpha)); + graphics->fillRectangle(gcn::Rectangle(0, 0, getWidth(), getHeight())); + } + // First, determine how many rows we need to draw, and where we should start. int first_row = -(getY() / getRowHeight()); @@ -224,44 +301,68 @@ void GuiTable::draw(gcn::Graphics* graphics) int height = getRowHeight(); int y_offset = first_row * height; - for (int r = first_row; r < first_row + rows_nr; ++r) { + for (int r = first_row; r < first_row + rows_nr; ++r) + { int x_offset = 0; - for (int c = first_column; c <= last_column; ++c) { + for (int c = first_column; c <= last_column; ++c) + { gcn::Widget *widget = mModel->getElementAt(r, c); int width = getColumnWidth(c); - if (widget) { + if (widget) + { gcn::Rectangle bounds(x_offset, y_offset, width, height); - if (widget == mTopWidget) { + if (widget == mTopWidget) + { bounds.height = widget->getHeight(); bounds.width = widget->getWidth(); } widget->setDimension(bounds); + if (!mLinewiseMode && c == mSelectedColumn && r == mSelectedRow) + { + bool valid; + const int red = + (textColor->getColor('H', valid) >> 16) & 0xFF; + const int green = + (textColor->getColor('H', valid) >> 8) & 0xFF; + const int blue = textColor->getColor('H', valid) & 0xFF; + const int alpha = mAlpha * 127; + + graphics->setColor(gcn::Color(red, green, blue, alpha)); + graphics->fillRectangle(bounds); + } + graphics->pushClipArea(bounds); widget->draw(graphics); graphics->popClipArea(); - - if (!mLinewiseMode - && c == mSelectedColumn - && r == mSelectedRow) - graphics->drawRectangle(bounds); } x_offset += width; } - if (mLinewiseMode - && r == mSelectedRow) - graphics->drawRectangle(gcn::Rectangle(0, y_offset, + if (mLinewiseMode && r == mSelectedRow) + { + bool valid; + const int red = + (textColor->getColor('H', valid) >> 16) & 0xFF; + const int green = + (textColor->getColor('H', valid) >> 8) & 0xFF; + const int blue = textColor->getColor('H', valid) & 0xFF; + const int alpha = mAlpha * 127; + + graphics->setColor(gcn::Color(red, green, blue, alpha)); + graphics->fillRectangle(gcn::Rectangle(0, y_offset, x_offset, height)); + } y_offset += height; } - if (mTopWidget) { + if (mTopWidget) + { gcn::Rectangle bounds = mTopWidget->getDimension(); graphics->pushClipArea(bounds); mTopWidget->draw(graphics); @@ -269,21 +370,17 @@ void GuiTable::draw(gcn::Graphics* graphics) } } -void GuiTable::logic() -{ -} - void GuiTable::moveToTop(gcn::Widget *widget) { gcn::Widget::moveToTop(widget); - this->mTopWidget = widget; + mTopWidget = widget; } void GuiTable::moveToBottom(gcn::Widget *widget) { gcn::Widget::moveToBottom(widget); - if (widget == this->mTopWidget) - this->mTopWidget = NULL; + if (widget == mTopWidget) + mTopWidget = NULL; } gcn::Rectangle GuiTable::getChildrenArea() @@ -294,17 +391,62 @@ gcn::Rectangle GuiTable::getChildrenArea() // -- KeyListener notifications void GuiTable::keyPressed(gcn::KeyEvent& keyEvent) { -} + gcn::Key key = keyEvent.getKey(); + + if (key.getValue() == gcn::Key::ENTER || key.getValue() == gcn::Key::SPACE) + { + distributeActionEvent(); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::UP) + { + setSelectedRow(mSelectedRow - 1); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::DOWN) + { + setSelectedRow(mSelectedRow + 1); + + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::LEFT) + { + setSelectedColumn(mSelectedColumn - 1); + + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::RIGHT) + { + setSelectedColumn(mSelectedColumn + 1); + + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::HOME) + { + setSelectedRow(0); + setSelectedColumn(0); + keyEvent.consume(); + } + else if (key.getValue() == gcn::Key::END) + { + setSelectedRow(mModel->getRows() - 1); + setSelectedColumn(mModel->getColumns() - 1); + keyEvent.consume(); + } +} // -- MouseListener notifications void GuiTable::mousePressed(gcn::MouseEvent& mouseEvent) { - if (mouseEvent.getButton() == gcn::MouseEvent::LEFT) { + if (mouseEvent.getButton() == gcn::MouseEvent::LEFT) + { int row = getRowForY(mouseEvent.getY()); int column = getColumnForX(mouseEvent.getX()); - if (row > -1 && column > -1) { + if (row > -1 && column > -1 && + row < mModel->getRows() && column < mModel->getColumns()) + { mSelectedColumn = column; mSelectedRow = row; } @@ -315,10 +457,25 @@ void GuiTable::mousePressed(gcn::MouseEvent& mouseEvent) void GuiTable::mouseWheelMovedUp(gcn::MouseEvent& mouseEvent) { + if (isFocused()) + { + if (getSelectedRow() >= 0 ) + { + setSelectedRow(getSelectedRow() - 1); + } + + mouseEvent.consume(); + } } void GuiTable::mouseWheelMovedDown(gcn::MouseEvent& mouseEvent) { + if (isFocused()) + { + setSelectedRow(getSelectedRow() + 1); + + mouseEvent.consume(); + } } void GuiTable::mouseDragged(gcn::MouseEvent& mouseEvent) @@ -328,10 +485,13 @@ void GuiTable::mouseDragged(gcn::MouseEvent& mouseEvent) // -- TableModelListener notifications void GuiTable::modelUpdated(bool completed) { - if (completed) { + if (completed) + { recomputeDimensions(); installActionListeners(); - } else { // before the update? + } + else + { // before the update? mTopWidget = NULL; // No longer valid in general uninstallActionListeners(); } @@ -342,18 +502,18 @@ gcn::Widget *GuiTable::getWidgetAt(int x, int y) int row = getRowForY(y); int column = getColumnForX(x); - if (mTopWidget - && mTopWidget->getDimension().isPointInRect(x, y)) + if (mTopWidget && mTopWidget->getDimension().isPointInRect(x, y)) return mTopWidget; - if (row > -1 - && column > -1) { + if (row > -1 && column > -1) + { gcn::Widget *w = mModel->getElementAt(row, column); if (w && w->isFocusable()) return w; else return NULL; // Grab the event locally - } else + } + else return NULL; } @@ -361,8 +521,7 @@ int GuiTable::getRowForY(int y) { int row = y / getRowHeight(); - if (row < 0 - || row >= mModel->getRows()) + if (row < 0 || row >= mModel->getRows()) return -1; else return row; @@ -373,20 +532,19 @@ int GuiTable::getColumnForX(int x) int column; int delta = 0; - for (column = 0; column < mModel->getColumns(); column++) { + for (column = 0; column < mModel->getColumns(); column++) + { delta += getColumnWidth(column); if (x <= delta) break; } - if (column < 0 - || column >= mModel->getColumns()) + if (column < 0 || column >= mModel->getColumns()) return -1; else return column; } - void GuiTable::_setFocusHandler(gcn::FocusHandler* focusHandler) { gcn::Widget::_setFocusHandler(focusHandler); |