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authorStijn Buys <ingar@telenet.be>2020-07-17 23:08:03 +0200
committerStijn Buys <ingar@telenet.be>2020-07-17 23:08:03 +0200
commit094ac735e16ad94c12bc1d866253f1c1d84a9af6 (patch)
treea056ddd8a71f5259b3afd4098a24a0ad7019f9d0 /src/ui
parent6521936cdaa2132ee6860dfda335d0afbe958484 (diff)
Added Widget::tooltip() support. Minor cleanups.
Diffstat (limited to 'src/ui')
-rw-r--r--src/ui/ui.cc10
-rw-r--r--src/ui/widget.cc33
-rw-r--r--src/ui/widget.h42
3 files changed, 59 insertions, 26 deletions
diff --git a/src/ui/ui.cc b/src/ui/ui.cc
index 0877519..700099e 100644
--- a/src/ui/ui.cc
+++ b/src/ui/ui.cc
@@ -266,7 +266,7 @@ void UI::frame()
Widget *f = 0;
if (!mouse_buttonleft_pressed) {
- f = find_mouse_focus(mouse_cursor);
+ f = find_widget_in_location(mouse_cursor);
} else {
f = find_visible_child(ui_mouse_focus);
}
@@ -306,7 +306,7 @@ bool UI::input_mouse_button(const bool pressed, unsigned int button)
}
// set mouse focus
- Widget *f = find_mouse_focus(mouse_cursor);
+ Widget *f = find_widget_in_location(mouse_cursor);
if (f)
{
f->event_mouse(mouse_cursor);
@@ -326,7 +326,7 @@ bool UI::input_mouse_wheel(const math::Vector2f & direction)
bool handled = false;
// set mouse focus
- Widget *f = find_mouse_focus(mouse_cursor);
+ Widget *f = find_widget_in_location(mouse_cursor);
if (f)
{
f->event_mouse(mouse_cursor);
@@ -399,8 +399,8 @@ void UI::draw_pointer()
gl::push();
gl::translate(mouse_cursor.x(), mouse_cursor.y(), 0);
- float angle = core::application()->time() * 0.75f - floorf(core::application()->time() * 0.75f);
- angle *= 360.0f;
+ const float t = core::application()->time() * 0.75f;
+ const float angle = (t - floorf(t)) * 360.0f;
gl::rotate(angle, math::Vector3f(0, 0, 1.0f));
gl::translate(-mouse_cursor.x(), -mouse_cursor.y(), 0);
}
diff --git a/src/ui/widget.cc b/src/ui/widget.cc
index 982b792..8c40c04 100644
--- a/src/ui/widget.cc
+++ b/src/ui/widget.cc
@@ -228,14 +228,31 @@ void Widget::set_label(const std::string & label)
widget_label.assign(label);
aux::to_label(widget_label);
}
-
+
void Widget::set_label(const char *label)
{
- if (label) {
+ if (label == nullptr)
+ {
+ widget_label.clear();
+ } else {
widget_label.assign(label);
aux::to_label(widget_label);
+ }
+}
+
+
+void Widget::set_tooltip(const std::string &tooltip)
+{
+ widget_tooltip.assign(tooltip);
+}
+
+void Widget::set_tooltip(const char *tooltip)
+{
+ if (tooltip == nullptr)
+ {
+ widget_tooltip.clear();
} else {
- widget_label.clear();
+ widget_label.assign(tooltip);
}
}
@@ -300,7 +317,7 @@ Widget *Widget::next_sibling()
// find this widget in the parent's children
Children::iterator it = parent()->children().begin();
while (it != parent()->children().end() && ((*it) != this)) {
- it++;
+ it++;
}
// assert this widget is a child of its parent
@@ -384,17 +401,17 @@ Widget *Widget::find_visible_child(const Widget *widget)
return 0;
}
-Widget *Widget::find_mouse_focus(const math::Vector2f & pos)
+Widget *Widget::find_widget_in_location(const math::Vector2f & location)
{
// this widget is not visible
- if (!visible() || !size().contains(pos))
- return 0;
+ if (!visible() || !size().contains(location))
+ return nullptr;
// reverse-iterate children
for (Children::reverse_iterator rit = widget_children.rbegin(); rit != widget_children.rend(); ++rit) {
Widget *w = (*rit);
if (w->visible() && w->enabled()) {
- Widget *f = w->find_mouse_focus(pos - w->location());
+ Widget *f = w->find_widget_in_location(location - w->location());
if (f)
return f;
}
diff --git a/src/ui/widget.h b/src/ui/widget.h
index 14bea7b..243fdda 100644
--- a/src/ui/widget.h
+++ b/src/ui/widget.h
@@ -129,6 +129,11 @@ public:
inline const std::string &label() const {
return widget_label;
}
+
+ /// widget tooltip
+ inline const std::string &tooltip() const {
+ return widget_tooltip;
+ }
/// true if this widget will draw a background
inline const bool background() const {
@@ -220,29 +225,35 @@ public:
/// set location of the top-left corner, relative to the parent
void set_location(const math::Vector2f &location);
- /// set the widgets width and height
+ /// set the widget's width and height
void set_size(const float w, const float h);
- /// set the widgets width and height
+ /// set the widget's width and height
void set_size(const math::Vector2f &size);
- /// set the widgets width
+ /// set the widget's width
void set_width(const float w);
- /// set the widgets height
+ /// set the widget's height
void set_height(const float h);
- /// set the widgets palette
+ /// set the widget's palette
void set_palette(const Palette *palette);
- /// set the widgets font
+ /// set the widget's font
void set_font(const Font *font);
- /// set the widgets label
+ /// set the widget's label
void set_label(const std::string &label);
- /// set the widgets label
- void set_label(const char *label);
+ /// set the widget's label
+ void set_label(const char *label = nullptr);
+
+ /// set the wdiget's widget_tooltip
+ void set_tooltip(const std::string &tooltip);
+
+ /// set the wdiget's widget_tooltip
+ void set_tooltip(const char *tooltip = nullptr);
/// enable or disable widget border
void set_border(const bool border = true);
@@ -309,10 +320,14 @@ protected:
/// find the widget that has input focus
virtual Widget *find_input_focus();
- /// find widget that has mouse focus
- /** @param cursor mouse cursor position relative to this widget's location
- */
- Widget *find_mouse_focus(const math::Vector2f & cursor);
+ /**
+ * @brief find the widget in a given location
+ * Searches the widget's children tree for the leaf widget visible in a given location.
+ * If no child contains the location, the widget itself is tested. Returns a nullptr ig
+ * the location is not within the widget's boundries.
+ * @param location search position, relative to this widget's location
+ **/
+ Widget *find_widget_in_location(const math::Vector2f &location);
/// find a visible widget
Widget *find_visible_child(const Widget *widget);
@@ -431,6 +446,7 @@ private:
math::Vector2f widget_location;
math::Vector2f widget_size;
std::string widget_label;
+ std::string widget_tooltip;
Children widget_children;