PrintLayout: add estimateTotalDives()

estimateTotalDives() is used to calculate the total dives
to be printed, it requires a 'struct dive' pointer
and a couple of 'int' pointers for the iterator 'i' and
'total' return.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>

2 files changed, 15 insertions, 0 deletions

diff --git a/qt-ui/printlayout.cpp b/qt-ui/printlayout.cpp
index afc6dd036..7e5e57533 100644
--- a/qt-ui/printlayout.cpp
+++ b/qt-ui/printlayout.cpp
@@ -91,6 +91,17 @@ void PrintLayout::setup()
 	scaledPageH = pageRect.height() / scaleY;
 }
 
+// go trought the dive table and find how many dives we are a going to print
+void PrintLayout::estimateTotalDives(struct dive *dive, int *i, int *total) const
+{
+	*total = 0;
+	for_each_dive(*i, dive) {
+		if (!dive->selected && printOptions->print_selected)
+			continue;
+		(*total)++;
+	}
+}
+
 /* the used formula here is:
  * s = (S - (n - 1) * p) / n
  * where:
diff --git a/qt-ui/printlayout.h b/qt-ui/printlayout.h
index 1ed19e271..f21940a83 100644
--- a/qt-ui/printlayout.h
+++ b/qt-ui/printlayout.h
@@ -34,11 +34,15 @@ private:
 	QList<unsigned int> profilePrintColumnWidths, profilePrintRowHeights;
 
 	void setup();
+	void estimateTotalDives(struct dive *dive, int *i, int *total) const;
 	void printProfileDives(int divesPerRow, int divesPerColumn);
 	QTableView *createProfileTable(ProfilePrintModel *model, const int tableW);
 	void printTable();
 	void addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const;
 	void addTablePrintHeadingRow(TablePrintModel *model, int row) const;
+
+signals:
+    void signalProgress(int);
 };
 
 #endif