Printing: add 1 dive per page option

With this option there is an exception, which makes the notes section of
the profile table occupy half the page. This way dive plans can reasonably
be printed.

Fixes #636

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

display.h

@@ -39,7 +39,8 @@ struct options {
 	enum {
 		PRETTY,
 		TABLE,
-		TWOPERPAGE
+		TWOPERPAGE,
+		ONEPERPAGE
 	} type;
 	int print_selected;
 	int color_selected;

qt-ui/printlayout.cpp

@@ -68,6 +68,9 @@ void PrintLayout::print()
 	case options::PRETTY:
 		printProfileDives(3, 2);
 		break;
+	case options::ONEPERPAGE:
+		printProfileDives(1, 1);
+		break;
 	case options::TWOPERPAGE:
 		printProfileDives(2, 1);
 		break;
@@ -167,7 +170,8 @@ void PrintLayout::printProfileDives(int divesPerRow, int divesPerColumn)
 	// create a model and table
 	ProfilePrintModel model;
 	model.setFontsize(divesPerColumn == 1 ? 6.5 : 4.5);
-	QPointer<QTableView> table(createProfileTable(&model, scaledW));
+	// if there is only one dive per page row we pass fitNotesToHeight to be almost half the page height
+	QPointer<QTableView> table(createProfileTable(&model, scaledW, (divesPerRow == 1) ? scaledH * 0.45 : 0.0));
 	// profilePrintTableMaxH updates after the table is created
 	const int tableH = profilePrintTableMaxH;
 	// resize the profile widget
@@ -227,7 +231,7 @@ void PrintLayout::printProfileDives(int divesPerRow, int divesPerColumn)
 }
 
 /* we create a table that has a fixed height, but can stretch to fit certain width */
-QTableView *PrintLayout::createProfileTable(ProfilePrintModel *model, const int tableW)
+QTableView *PrintLayout::createProfileTable(ProfilePrintModel *model, const int tableW, const qreal fitNotesToHeight)
 {
 	// setup a new table
 	QTableView *table = new QTableView();
@@ -266,14 +270,16 @@ QTableView *PrintLayout::createProfileTable(ProfilePrintModel *model, const int
 	table->setSpan(6, 0, 1, 5);
 	table->setSpan(7, 0, 5, 5);
 	/* resize row heights to the 'profilePrintRowHeights' indexes.
-	 * profilePrintTableMaxH will then hold the table height. */
+	 * profilePrintTableMaxH will then hold the table height.
+	 * what fitNotesToHeight does it to expand the notes section to fit a special height */
 	int i;
 	profilePrintTableMaxH = 0;
 	for (i = 0; i < rows; i++) {
-		int h = profilePrintRowHeights.at(i);
+		int h = (i == rows - 1 && fitNotesToHeight != 0.0) ? fitNotesToHeight : profilePrintRowHeights.at(i);
 		profilePrintTableMaxH += h;
 		vHeader->resizeSection(i, h);
 	}
+
 	// resize columns. columns widths are percentages from the table width.
 	int accW = 0;
 	for (i = 0; i < cols; i++) {

qt-ui/printlayout.h

@@ -38,7 +38,7 @@ private:
 	void setup();
 	int estimateTotalDives() const;
 	void printProfileDives(int divesPerRow, int divesPerColumn);
-	QTableView *createProfileTable(ProfilePrintModel *model, const int tableW);
+	QTableView *createProfileTable(ProfilePrintModel *model, const int tableW, const qreal fitNotesToHeight = 0.0);
 	void printTable();
 	void addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const;
 	void addTablePrintHeadingRow(TablePrintModel *model, int row) const;

qt-ui/printoptions.cpp

@@ -23,6 +23,9 @@ void PrintOptions::setup(struct options *printOpt)
 	case options::TWOPERPAGE:
 		ui.radioTwoDives->setChecked(true);
 		break;
+	case options::ONEPERPAGE:
+		ui.radioOneDive->setChecked(true);
+		break;
 	case options::TABLE:
 		ui.radioTablePrint->setChecked(true);
 		break;
@@ -44,6 +47,7 @@ void PrintOptions::setup(struct options *printOpt)
 
 	connect(ui.radioSixDives, SIGNAL(clicked(bool)), this, SLOT(radioSixDivesClicked(bool)));
 	connect(ui.radioTwoDives, SIGNAL(clicked(bool)), this, SLOT(radioTwoDivesClicked(bool)));
+	connect(ui.radioOneDive, SIGNAL(clicked(bool)), this, SLOT(radioOneDiveClicked(bool)));
 	connect(ui.radioTablePrint, SIGNAL(clicked(bool)), this, SLOT(radioTablePrintClicked(bool)));
 
 	connect(ui.printInColor, SIGNAL(clicked(bool)), this, SLOT(printInColorClicked(bool)));
@@ -65,6 +69,11 @@ void PrintOptions::radioTwoDivesClicked(bool check)
 	printOptions->type = options::TWOPERPAGE;
 }
 
+void PrintOptions::radioOneDiveClicked(bool check)
+{
+	printOptions->type = options::ONEPERPAGE;
+}
+
 void PrintOptions::radioTablePrintClicked(bool check)
 {
 	printOptions->type = options::TABLE;

qt-ui/printoptions.h

@@ -22,6 +22,7 @@ private
 slots:
 	void radioSixDivesClicked(bool check);
 	void radioTwoDivesClicked(bool check);
+	void radioOneDiveClicked(bool check);
 	void radioTablePrintClicked(bool check);
 	void printInColorClicked(bool check);
 	void printSelectedClicked(bool check);

qt-ui/printoptions.ui

@@ -133,6 +133,19 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QRadioButton" name="radioOneDive">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>1 dive per page</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QRadioButton" name="radioTablePrint">
        <property name="sizePolicy">