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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/ui/widget/ink-spinscale.h | |
parent | Initial commit. (diff) | |
download | inkscape-upstream.tar.xz inkscape-upstream.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ui/widget/ink-spinscale.h')
-rw-r--r-- | src/ui/widget/ink-spinscale.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/ui/widget/ink-spinscale.h b/src/ui/widget/ink-spinscale.h new file mode 100644 index 0000000..4f07b27 --- /dev/null +++ b/src/ui/widget/ink-spinscale.h @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef INK_SPINSCALE_H +#define INK_SPINSCALE_H + +/* + * Authors: + * Tavmjong Bah <tavmjong@free.fr> + * + * Copyright (C) 2017 Tavmjong Bah + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +/** + A widget that allows entering a numerical value either by + clicking/dragging on a custom Gtk::Scale or by using a + Gtk::SpinButton. The custom Gtk::Scale differs from the stock + Gtk::Scale in that it includes a label to save space and has a + "slow-dragging" mode triggered by the Alt key. +*/ + +#include <glibmm/ustring.h> + +#include <gtkmm/box.h> +#include <gtkmm/scale.h> + +#include "scrollprotected.h" + +namespace Gtk { + class SpinButton; +} + +class InkScale : public Inkscape::UI::Widget::ScrollProtected<Gtk::Scale> +{ + using parent_type = ScrollProtected<Gtk::Scale>; + + public: + InkScale(Glib::RefPtr<Gtk::Adjustment>, Gtk::SpinButton* spinbutton); + ~InkScale() override = default;; + + void set_label(Glib::ustring label); + + bool on_draw(const::Cairo::RefPtr<::Cairo::Context>& cr) override; + + protected: + + bool on_button_press_event(GdkEventButton* button_event) override; + bool on_button_release_event(GdkEventButton* button_event) override; + bool on_motion_notify_event(GdkEventMotion* motion_event) override; + + private: + + double get_fraction(); + void set_adjustment_value(double x, bool constrained = false); + + Gtk::SpinButton * _spinbutton; // Needed to get placement/text color. + Glib::ustring _label; + + bool _dragging; + double _drag_start; + double _drag_offset; +}; + +class InkSpinScale : public Gtk::Box +{ + public: + + // Create an InkSpinScale with a new adjustment. + InkSpinScale(double value, + double lower, + double upper, + double step_increment = 1, + double page_increment = 10, + double page_size = 0); + + // Create an InkSpinScale with a preexisting adjustment. + InkSpinScale(Glib::RefPtr<Gtk::Adjustment>); + + ~InkSpinScale() override = default;; + + void set_label(Glib::ustring label); + void set_digits(int digits); + int get_digits() const; + void set_focus_widget(GtkWidget *focus_widget); + Glib::RefPtr<Gtk::Adjustment> get_adjustment() { return _adjustment; }; + + protected: + + InkScale* _scale; + Gtk::SpinButton* _spinbutton; + Glib::RefPtr<Gtk::Adjustment> _adjustment; + GtkWidget* _focus_widget = nullptr; + + bool on_key_release_event(GdkEventKey* key_event) override; + + private: + +}; + +#endif // INK_SPINSCALE_H |