Add a filename resolution method

Closes #11

KShare.pro

@@ -65,7 +65,8 @@ SOURCES += main.cpp\
     hotkeyinputdialog.cpp \
     cropeditor/drawing/arrowitem.cpp \
     uploaders/default/imgursettingsdialog.cpp \
-    uploaders/default/imgplusuploader.cpp
+    uploaders/default/imgplusuploader.cpp \
+    filenamevalidator.cpp
 
 HEADERS  += mainwindow.hpp \
     cropeditor/cropeditor.hpp \
@@ -109,7 +110,8 @@ HEADERS  += mainwindow.hpp \
     hotkeyinputdialog.hpp \
     cropeditor/drawing/arrowitem.hpp \
     uploaders/default/imgursettingsdialog.hpp \
-    uploaders/default/imgplusuploader.hpp
+    uploaders/default/imgplusuploader.hpp \
+    filenamevalidator.hpp
 
 CONFIG += link_pkgconfig
 PKGCONFIG += libavformat libavcodec libswscale libavutil

filenamevalidator.cpp

@@ -0,0 +1,12 @@
+#include "filenamevalidator.hpp"
+
+#include <formatter.hpp>
+#include <platformbackend.hpp>
+
+FilenameValidator::FilenameValidator(QObject *parent) : QValidator(parent) {
+}
+
+QValidator::State FilenameValidator::validate(QString &input, int &) const {
+    QString name = formatter::format(input, "lol");
+    return PlatformBackend::inst().filenameValid(name) ? State::Acceptable : State::Invalid;
+}

filenamevalidator.hpp

@@ -0,0 +1,12 @@
+#ifndef FILENAMEVALIDATOR_HPP
+#define FILENAMEVALIDATOR_HPP
+
+#include <QValidator>
+
+class FilenameValidator : public QValidator {
+public:
+    FilenameValidator(QObject *parent = nullptr);
+    QValidator::State validate(QString &input, int &) const override;
+};
+
+#endif // FILENAMEVALIDATOR_HPP

platformbackend.hpp

@@ -1,13 +1,14 @@
 #ifndef PLATFORMBACKEND_HPP
 #define PLATFORMBACKEND_HPP
+#include <QtGlobal>
 
-#ifdef __APPLE__
+#ifdef Q_OS_MACOS
 #include <platformspecifics/mac/macbackend.hpp>
 #endif
-#ifdef _WIN32
+#ifdef Q_OS_WIN
 #include <platformspecifics/u32/u32backend.hpp>
 #endif
-#ifdef __unix__
+#ifdef Q_OS_UNIX
 #include <platformspecifics/x11/x11backend.hpp>
 #endif
 

platformspecifics/mac/macbackend.cpp

@@ -11,3 +11,7 @@ QPixmap PlatformBackend::getCursor() {
 pid_t PlatformBackend::pid() {
     return getpid();
 }
+
+bool PlatformBackend::filenameValid(QString name) {
+    return !name.contains('/');
+}

platformspecifics/mac/macbackend.hpp

@@ -13,6 +13,7 @@ public:
         static PlatformBackend inst;
         return inst;
     }
+    bool filenameValid(QString name);
 };
 
 #endif // MACBACKEND_HPP

platformspecifics/u32/u32backend.cpp

@@ -28,3 +28,7 @@ DWORD PlatformBackend::pid() {
 WId PlatformBackend::getActiveWID() {
     return (WId)GetForegroundWindow();
 }
+
+bool PlatformBackend::filenamValid(QString name) {
+    return IsValidFileName(name.toLocal8Bit().constData()) == 0;
+}

platformspecifics/u32/u32backend.hpp

@@ -17,6 +17,7 @@ public:
         return inst;
     }
     WId getActiveWID();
+    bool filenamValid(QString name);
 };
 
 #endif // U32BACKEND_HPP

platformspecifics/x11/x11backend.cpp

@@ -54,3 +54,7 @@ WId PlatformBackend::getActiveWID() {
     delete treeReply;
     return window;
 }
+
+bool PlatformBackend::filenameValid(QString name) {
+    return !name.contains('/');
+}

platformspecifics/x11/x11backend.hpp

@@ -16,6 +16,7 @@ public:
         return inst;
     }
     WId getActiveWID();
+    bool filenameValid(QString name);
 };
 
 #endif // X11BACKEND_HPP

settingsdialog.cpp

@@ -1,4 +1,5 @@
 #include "settingsdialog.hpp"
+#include "filenamevalidator.hpp"
 #include "hotkeyinputdialog.hpp"
 #include "mainwindow.hpp"
 #include "ui_settingsdialog.h"
@@ -77,6 +78,7 @@ SettingsDialog::SettingsDialog(QWidget *parent) : QDialog(parent), ui(new Ui::Se
     ui->cropX->setValue(settings::settings().value("cropx", 0).toInt());
     ui->cropY->setValue(settings::settings().value("cropy", 0).toInt());
     setWindowTitle("Settings");
+    ui->nameScheme->setValidator(new FilenameValidator(ui->nameScheme));
 #ifndef PLATFORM_CAPABILITY_CURSOR
     ui->captureCursor->setEnabled(false);
     ui->captureCursor->setText("Capture cursor (disabled: implementation missing)");