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Added zoom-related menus.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1417 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2011-12-30 02:05:46 +00:00
parent c560a61610
commit dd2801f784
6 changed files with 121 additions and 14 deletions
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88
sources/titleblock/templateview.cpp
View File

@@ -27,6 +27,11 @@
#define ROW_OFFSET 2
#define COL_OFFSET 1
#define DEFAULT_PREVIEW_WIDTH 600
#define DEFAULT_PREVIEW_HELPER_CELL_HEIGHT 15
#define DEFAULT_COLS_HELPER_CELLS_HEIGHT 15
#define DEFAULT_ROWS_HELPER_CELLS_WIDTH 50
/**
Constructor
@@ -39,7 +44,8 @@ TitleBlockTemplateView::TitleBlockTemplateView(QWidget *parent) :
form_(0),
preview_width_(DEFAULT_PREVIEW_WIDTH),
apply_columns_widths_count_(0),
apply_rows_heights_count_(0)
apply_rows_heights_count_(0),
first_activation_(true)
{
init();
}
@@ -54,7 +60,8 @@ TitleBlockTemplateView::TitleBlockTemplateView(QGraphicsScene *scene, QWidget *p
tbgrid_(0),
preview_width_(DEFAULT_PREVIEW_WIDTH),
apply_columns_widths_count_(0),
apply_rows_heights_count_(0)
apply_rows_heights_count_(0),
first_activation_(true)
{
init();
}
@@ -71,6 +78,7 @@ TitleBlockTemplateView::~TitleBlockTemplateView() {
*/
void TitleBlockTemplateView::setTitleBlockTemplate(TitleBlockTemplate *tbtemplate) {
loadTemplate(tbtemplate);
zoomFit();
}
/**
@@ -104,6 +112,22 @@ void TitleBlockTemplateView::zoomOut() {
scale(zoom_factor, zoom_factor);
}
/**
Fit the rendered title block template in this view.
*/
void TitleBlockTemplateView::zoomFit() {
adjustSceneRect();
fitInView(scene() -> sceneRect(), Qt::KeepAspectRatio);
}
/**
Reset the zoom level.
*/
void TitleBlockTemplateView::zoomReset() {
adjustSceneRect();
resetMatrix();
}
/**
Add a column right before the last index selected when calling the context
menu.
@@ -285,6 +309,39 @@ TitleBlockTemplateCellsSet TitleBlockTemplateView::cells(const QRectF &rect) con
return(makeCellsSetFromGraphicsItems(items));
}
/**
@return the current size of the rendered title block template
*/
QSizeF TitleBlockTemplateView::templateSize() const {
return(QSizeF(templateWidth(), templateHeight()));
}
/**
@return the current width of the rendered title block template
*/
qreal TitleBlockTemplateView::templateWidth() const {
if (!tbtemplate_) return(0);
qreal width = DEFAULT_ROWS_HELPER_CELLS_WIDTH;
// the rendered width may exceed the initially planned preview width
width += qMax<int>(preview_width_, tbtemplate_ -> width(preview_width_));
return(width);
}
/**
@return the current height of the rendered title block template
*/
qreal TitleBlockTemplateView::templateHeight() const {
if (!tbtemplate_) return(0);
qreal height = DEFAULT_PREVIEW_HELPER_CELL_HEIGHT;
height += DEFAULT_COLS_HELPER_CELLS_HEIGHT;
height += tbtemplate_ -> height();
return(height);
}
/**
Handles mouse wheel-related actions
@param e QWheelEvent describing the wheel event
@@ -333,6 +390,7 @@ void TitleBlockTemplateView::init() {
connect(delete_row_, SIGNAL(triggered()), this, SLOT(deleteRow()));
connect(change_preview_width_, SIGNAL(triggered()), this, SLOT(changePreviewWidth()));
setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
setBackgroundBrush(QBrush(QColor(248, 255, 160)));
connect(scene(), SIGNAL(selectionChanged()), this, SLOT(selectionChanged()));
@@ -345,7 +403,7 @@ void TitleBlockTemplateView::init() {
*/
void TitleBlockTemplateView::applyColumnsWidths(bool animate) {
// the first column is dedicated to helper cells showing the rows height
tbgrid_ -> setColumnFixedWidth(0, 50);
tbgrid_ -> setColumnFixedWidth(0, DEFAULT_ROWS_HELPER_CELLS_WIDTH);
tbgrid_ -> setColumnSpacing(0, 0);
// we apply the other columns width based on the title block template data
@@ -406,14 +464,11 @@ void TitleBlockTemplateView::applyColumnsWidths(bool animate) {
*/
void TitleBlockTemplateView::applyRowsHeights(bool animate) {
// the first row is dedicated to a helper cell showing the total width
tbgrid_ -> setRowFixedHeight(0, 15);
tbgrid_ -> setRowFixedHeight(0, DEFAULT_PREVIEW_HELPER_CELL_HEIGHT);
tbgrid_ -> setRowSpacing(0, 0);
// the second row is dedicated to helper cells showing the columns width
tbgrid_ -> setRowFixedHeight(1, 15);
tbgrid_ -> setRowFixedHeight(1, DEFAULT_COLS_HELPER_CELLS_HEIGHT);
tbgrid_ -> setRowSpacing(1, 0);
// the first column is dedicated to helper cells showing the rows height
tbgrid_ -> setColumnFixedWidth(0, 45);
tbgrid_ -> setColumnSpacing(0, 0);
QList<int> heights = tbtemplate_ -> rowsHeights();
for (int i = 0 ; i < heights.count() ; ++ i) {
@@ -581,6 +636,17 @@ void TitleBlockTemplateView::fillWithEmptyCells() {
}
}
/**
@param event Object describing the received event
*/
bool TitleBlockTemplateView::event(QEvent *event) {
if (first_activation_ && event -> type() == QEvent::WindowActivate) {
QTimer::singleShot(250, this, SLOT(zoomFit()));
first_activation_ = false;
}
return(QGraphicsView::event(event));
}
/**
Load the \a tbt title block template.
If a different template was previously loaded, it is deleted.
@@ -763,11 +829,11 @@ void TitleBlockTemplateView::updateLastContextMenuCell(HelperCell *last_context_
Adjusts the bounding rect of the scene.
*/
void TitleBlockTemplateView::adjustSceneRect() {
QRectF old_scene_rect = sceneRect();
QRectF old_scene_rect = scene() -> sceneRect();
// rectangle including everything on the scene
QRectF bounding_rect = scene() -> itemsBoundingRect();
setSceneRect(bounding_rect);
QRectF bounding_rect(QPointF(0, 0), templateSize());
scene() -> setSceneRect(bounding_rect);
// met a jour la scene
scene() -> update(old_scene_rect.united(bounding_rect));