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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/attr-widget.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 '')
-rw-r--r-- | src/ui/widget/attr-widget.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/ui/widget/attr-widget.h b/src/ui/widget/attr-widget.h new file mode 100644 index 0000000..ce5fe12 --- /dev/null +++ b/src/ui/widget/attr-widget.h @@ -0,0 +1,185 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Authors: + * Nicholas Bishop <nicholasbishop@gmail.com> + * Rodrigo Kumpera <kumpera@gmail.com> + * + * Copyright (C) 2007 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifndef INKSCAPE_UI_WIDGET_ATTR_WIDGET_H +#define INKSCAPE_UI_WIDGET_ATTR_WIDGET_H + +#include "attributes.h" +#include "object/sp-object.h" +#include "xml/node.h" + +namespace Inkscape { +namespace UI { +namespace Widget { + +enum DefaultValueType +{ + T_NONE, + T_DOUBLE, + T_VECT_DOUBLE, + T_BOOL, + T_UINT, + T_CHARPTR +}; + +/** + * Very basic interface for classes that control attributes. + */ +class DefaultValueHolder +{ + DefaultValueType type; + union { + double d_val; + std::vector<double>* vt_val; + bool b_val; + unsigned int uint_val; + char* cptr_val; + } value; + + //FIXME remove copy ctor and assignment operator as private to avoid double free of the vector +public: + DefaultValueHolder () { + type = T_NONE; + } + + DefaultValueHolder (double d) { + type = T_DOUBLE; + value.d_val = d; + } + + DefaultValueHolder (std::vector<double>* d) { + type = T_VECT_DOUBLE; + value.vt_val = d; + } + + DefaultValueHolder (char* c) { + type = T_CHARPTR; + value.cptr_val = c; + } + + DefaultValueHolder (bool d) { + type = T_BOOL; + value.b_val = d; + } + + DefaultValueHolder (unsigned int ui) { + type = T_UINT; + value.uint_val = ui; + } + + ~DefaultValueHolder() { + if (type == T_VECT_DOUBLE) + delete value.vt_val; + } + + unsigned int as_uint() { + g_assert (type == T_UINT); + return value.uint_val; + } + + bool as_bool() { + g_assert (type == T_BOOL); + return value.b_val; + } + + double as_double() { + g_assert (type == T_DOUBLE); + return value.d_val; + } + + std::vector<double>* as_vector() { + g_assert (type == T_VECT_DOUBLE); + return value.vt_val; + } + + char* as_charptr() { + g_assert (type == T_CHARPTR); + return value.cptr_val; + } +}; + +class AttrWidget +{ +public: + AttrWidget(const SPAttr a, unsigned int value) + : _attr(a), + _default(value) + {} + + AttrWidget(const SPAttr a, double value) + : _attr(a), + _default(value) + {} + + AttrWidget(const SPAttr a, bool value) + : _attr(a), + _default(value) + {} + + AttrWidget(const SPAttr a, char* value) + : _attr(a), + _default(value) + {} + + AttrWidget(const SPAttr a) + : _attr(a), + _default() + {} + + virtual ~AttrWidget() + = default; + + virtual Glib::ustring get_as_attribute() const = 0; + virtual void set_from_attribute(SPObject*) = 0; + + SPAttr get_attribute() const + { + return _attr; + } + + sigc::signal<void>& signal_attr_changed() + { + return _signal; + } +protected: + DefaultValueHolder* get_default() { return &_default; } + const gchar* attribute_value(SPObject* o) const + { + const gchar* name = (const gchar*)sp_attribute_name(_attr); + if(name && o) { + const gchar* val = o->getRepr()->attribute(name); + return val; + } + return nullptr; + } + +private: + const SPAttr _attr; + DefaultValueHolder _default; + sigc::signal<void> _signal; +}; + +} +} +} + +#endif + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |