Allow to set the size of thumbnails

The command line arguments are compatible with dragon.
Note that for zsh completion of the size number, we use the "(single
unquoted space)" action, which is a dummy action (it doesn't make any
sense to autocomplete numbers).

This implements one part of #10

assets/completions/bash-completion/completions/blobdrop

@@ -11,6 +11,7 @@ _blobdrop() {
 		-p --persistent
 		-P --prefix
 		-R --remote
+		-s --thumb-size
 		-t --ontop
 		-x --auto-quit
 	"

assets/completions/fish/vendor_completions.d/blobdrop.fish

@@ -8,5 +8,6 @@ complete -c blobdrop -s '-k' -l 'keep' -d 'keep dropped files'
 complete -c blobdrop -s '-p' -l 'persistent' -d 'disable autohiding during drag'
 complete -c blobdrop -s '-P' -l 'prefix' -d 'remote prefix' -xa "(__fish_print_hostnames)"
 complete -c blobdrop -s '-R' -l 'remote' -d 'enable ssh remote transparency'
+complete -c blobdrop -s '-s' -l 'thumb-size' -d 'set thumbnail size' -x
 complete -c blobdrop -s '-t' -l 'ontop' -d 'keep window on top'
 complete -c blobdrop -s '-x' -l 'auto-quit' -d 'autoquit behaviour' -xa "never\t'do not autoquit' first\t'after first drag' all\t'after all items have been dragged'"

assets/completions/zsh/site-functions/_blobdrop

@@ -1,7 +1,7 @@
 #compdef blobdrop
 
 _blobdrop() {
-	_arguments {-h,--help}'[show help]' {-v,--version}'[show version]' {-b,--frameless}'[show frameless window]' {-c,--cursor}'[spawn window at mouse cursor]' {-f,--frontend}'[selects frontend]:arg:((auto\:"automatic" gui\:"show window" immediate\:"drag immediately" notify\:"drag from notification" clipboard\:"copy to clipboard" stdout\:"print OSC8 link"))' {-i,--intercept}'[intercept another DnD]' {-k,--keep}'[keep dropped files]' {-p,--persistent}'[disable autohiding during drag]' {-P,--prefix}'[specify remote prefix]:arg:_hosts' {-R,--remote}'[enable ssh network transparency]' {-t,--ontop}'[keep window on top]' {-x,--auto-quit}'[autoquit behaviour]:num:((never\:"do not autoquit" first\:"after first drag" all\:"after all items have been dragged"))' '*: arg:_files'
+	_arguments {-h,--help}'[show help]' {-v,--version}'[show version]' {-b,--frameless}'[show frameless window]' {-c,--cursor}'[spawn window at mouse cursor]' {-f,--frontend}'[selects frontend]:arg:((auto\:"automatic" gui\:"show window" immediate\:"drag immediately" notify\:"drag from notification" clipboard\:"copy to clipboard" stdout\:"print OSC8 link"))' {-i,--intercept}'[intercept another DnD]' {-k,--keep}'[keep dropped files]' {-p,--persistent}'[disable autohiding during drag]' {-P,--prefix}'[specify remote prefix]:arg:_hosts' {-R,--remote}'[enable ssh network transparency]' {-s,--thumb-size}'[thumbnail size]:num: ' {-t,--ontop}'[keep window on top]' {-x,--auto-quit}'[autoquit behaviour]:arg:((never\:"do not autoquit" first\:"after first drag" all\:"after all items have been dragged"))' '*: arg:_files'
 	return 0
 }
 

doc/man/man1/blobdrop.1

@@ -8,6 +8,7 @@ blobdrop \- Quickly drag and drop files from the terminal
 [\-hvbcikpRt]
 [\-f \fIOPT\fP]
 [\-P \fIOPT\fP]
+[\-s \fIOPT\fP]
 [\-x \fIOPT\fP]
 .I FILES
 
@@ -63,6 +64,9 @@ Enable ssh remote transparency. This sets the URI scheme to
 .B sftp://
 and the username, hostname and port based on heuristics, thus making it possible to drag and drop across a forwarded X11 session from a remote host. DnD requires trusted X11 forwarding (ssh -Y). In case of the heuristic failing, the \-\-prefix option can be used to manually set a value.
 .TP
+.B \-s, \-\-thumb\-size \fIOPT\fP
+Sets the size of the thumbnail for listed images. The default size is 64.
+.TP
 .B \-t, \-\-ontop
 Keep the window on top of other windows.
 .TP

src/getopts.cpp

@@ -51,6 +51,10 @@ bool parse(const QStringList &args) {
 	QCommandLineOption remote_opt(QStringList() << "R"
 												<< "remote",
 		"Enable ssh remote transparency.");
+	QCommandLineOption thumbnailsize_opt(QStringList() << "s"
+													   << "thumb-size",
+		"Set thumbnail size (default 64)",
+		"size");
 	QCommandLineOption ontop_opt(QStringList() << "t"
 											   << "ontop",
 		"Keep the window on top of other windows.");
@@ -59,7 +63,7 @@ bool parse(const QStringList &args) {
 		"The amount of drags after which the program should automatically close. Must be one of:" + QString::fromStdString(auto_quit_descr) + " (all is default)",
 		"behaviour");
 
-	p.addOptions({frameless_opt, cursor_opt, frontend_opt, intercept_opt, keep_opt, persistent_opt, prefix_opt, remote_opt, ontop_opt, auto_quit_opt});
+	p.addOptions({frameless_opt, cursor_opt, frontend_opt, intercept_opt, keep_opt, persistent_opt, prefix_opt, remote_opt, thumbnailsize_opt, ontop_opt, auto_quit_opt});
 	p.process(args);
 
 	if (p.isSet(auto_quit_opt)) {
@@ -72,6 +76,15 @@ bool parse(const QStringList &args) {
 		Settings::get()->auto_quit_behavior = static_cast<Settings::AutoQuitBehavior>(choice);
 	}
 	Settings::get()->remote = p.isSet(remote_opt);
+	if (p.isSet(thumbnailsize_opt)) {
+		const auto v = p.value(thumbnailsize_opt).toInt();
+		if (v) {
+			Settings::get()->thumbnail_size = v;
+		} else {
+			std::cerr << "Thumbnail size must be an integer." << std::endl;
+			return false;
+		}
+	}
 	if (p.isSet(prefix_opt)) {
 		if (!Settings::get()->remote) {
 			std::cerr << "This option has no effect if remote support is not enabled" << std::endl;

src/qml/PathView.qml

@@ -23,8 +23,8 @@ ListView {
 			visible: false
 			icon.name: "emblem-documents-symbolic"
 			icon.color: "transparent"
-			width: 64
-			height: 64
+			width: Settings.thumbnailSize
+			height: Settings.thumbnailSize
 		}
 		DragArea {
 			anchors.fill: parent
@@ -48,7 +48,7 @@ ListView {
 		}
 	}
 	delegate: Item {
-		height: 64
+		height: Settings.thumbnailSize
 		width: ListView.view.width
 		Pane {
 			id: pane

src/settings.hpp

@@ -14,6 +14,7 @@ class Settings : public QObject {
 	Q_PROPERTY(bool needsGui READ needs_gui NOTIFY hideGuiChanged)
 	Q_PROPERTY(bool spawnOnCursor MEMBER spawn_on_cursor CONSTANT)
 	Q_PROPERTY(bool intercept MEMBER intercept CONSTANT)
+	Q_PROPERTY(int thumbnailSize MEMBER thumbnail_size CONSTANT)
 public:
 	enum class AutoQuitBehavior {
 		Never,
@@ -45,6 +46,7 @@ class Settings : public QObject {
 	bool suppress_always_on_bottom = false;
 	bool spawn_on_cursor = false;
 	bool intercept = false;
+	int thumbnail_size = 64;
 	bool remote = false;
 signals:
 	void alwaysOnBottomChanged(bool alwaysOnBottom);