page selector added

Author: sulincix

src/tools.h

@@ -63,7 +63,7 @@ extern void setLineStyle(int style);
 
 extern OverView *ov;
 
-extern QLabel *pageLabel;
+extern QPushButton *pageLabel;
 
 extern QWidget *penSettings;
 extern QWidget *colorDialog;

src/tools/background.cpp

@@ -1,6 +1,6 @@
 #include "../tools.h"
 
-QLabel* pageLabel;
+QPushButton* pageLabel;
 
 void setupBackground(){
     penButtons[TRANSPARENT] = create_button(":images/paper-transparent.svg", [=](){
@@ -89,7 +89,16 @@ void setupBackground(){
     });
     set_shortcut(penButtons[CUSTOM], Qt::Key_O, Qt::AltModifier);
 
-    pageLabel = new QLabel("0");
+    pageLabel = create_button_text("0", [=](){
+        bool ok;
+        int number = QInputDialog::getInt(mainWidget, _("Go page"),
+                                           _("Page:"), 0, 0, drawing->max, 1, &ok);
+        if (ok) {
+            drawing->goPage(number);
+            backgroundStyleEvent();
+            updateGoBackButtons();
+        }
+    });
 
     toolButtons[OVERLAYSCALEUP] = create_button(":images/zoom-in.svg", [=](){
         board->ratios[drawing->getPageNum()] += 10;

src/tools/update.cpp

@@ -41,6 +41,7 @@ void updateGoBackButtons(){
     toolButtons[BACK]->setEnabled(drawing->isBackAvailable());
     toolButtons[NEXT]->setEnabled(drawing->isNextAvailable());
     toolButtons[PREVPAGE]->setEnabled(drawing->getPageNum() > 0);
+    toolButtons[NEXTPAGE]->setEnabled(drawing->getPageNum() < drawing->max);
     pageLabel->setText(QString::number(drawing->getPageNum()));
 }
 

src/utils/pdf.cpp

@@ -23,6 +23,11 @@ void loadPdf(QString path){
     doc = Poppler::Document::load(path);
     doc->setRenderHint(Poppler::Document::Antialiasing, true);
     doc->setRenderHint(Poppler::Document::TextAntialiasing, true);
+    drawing->max = doc->numPages()-1;
+    drawing->goPage(0);
+    backgroundStyleEvent();
+    updateGoBackButtons();
+
 }
 
 QImage getPdfImage(int num, float ratio){

src/widgets/DrawingWidget.h

@@ -112,6 +112,7 @@ class DrawingWidget : public QWidget {
     QColor penColor;
     MovableWidget* cropWidget;
     int penSize[10];
+    int max = 99;
     void initializeImage(const QSize &size);
     void goPrevious();
     void goPage(int i);