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Displays percentages when dragging anchors

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This commit is contained in:
Gilles Roudiere 2017-08-02 18:33:06 +02:00
parent 2032cb2522
commit b73613e1eb
2 changed files with 48 additions and 3 deletions
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49
editor/plugins/canvas_item_editor_plugin.cpp
View file

@ -1879,6 +1879,30 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
}
}
void CanvasItemEditor::_draw_percentage_at_position(float p_value, Point2 p_position, Margin p_side) {
if (p_value != 0) {
Color color = Color(0.8, 0.8, 0.8, 0.5);
Ref<Font> font = get_font("font", "Label");
String str = vformat("%.1f %%", p_value * 100.0);
Size2 text_size = font->get_string_size(str);
switch (p_side) {
case MARGIN_LEFT:
p_position += Vector2(-text_size.x - 5, text_size.y / 2);
break;
case MARGIN_TOP:
p_position += Vector2(-text_size.x / 2, -5);
break;
case MARGIN_RIGHT:
p_position += Vector2(5, text_size.y / 2);
break;
case MARGIN_BOTTOM:
p_position += Vector2(-text_size.x / 2, text_size.y + 5);
break;
}
viewport->draw_string(font, p_position, str, color);
}
}
void CanvasItemEditor::_viewport_draw() {
// TODO fetch the viewport?
@ -2034,14 +2058,33 @@ void CanvasItemEditor::_viewport_draw() {
corners_pos[i] = xform.xform(_anchor_to_position(control, Vector2((i == 0 || i == 3) ? ANCHOR_BEGIN : ANCHOR_END, (i <= 1) ? ANCHOR_BEGIN : ANCHOR_END)));
}
Vector2 line_starts[4];
Vector2 line_ends[4];
for (int i = 0; i < 4; i++) {
float anchor_val = (i >= 2) ? ANCHOR_END - anchors_values[i] : anchors_values[i];
Vector2 line_start = Vector2::linear_interpolate(corners_pos[i], corners_pos[(i + 1) % 4], anchor_val);
Vector2 line_end = Vector2::linear_interpolate(corners_pos[(i + 3) % 4], corners_pos[(i + 2) % 4], anchor_val);
line_starts[i] = Vector2::linear_interpolate(corners_pos[i], corners_pos[(i + 1) % 4], anchor_val);
line_ends[i] = Vector2::linear_interpolate(corners_pos[(i + 3) % 4], corners_pos[(i + 2) % 4], anchor_val);
_anchor_snap(anchors_values[i], &snapped);
viewport->draw_line(line_start, line_end, snapped ? color_snapped : color_base, (i == dragged_anchor || (i + 3) % 4 == dragged_anchor) ? 2 : 1);
viewport->draw_line(line_starts[i], line_ends[i], snapped ? color_snapped : color_base, (i == dragged_anchor || (i + 3) % 4 == dragged_anchor) ? 2 : 1);
}
// Display the percentages next to the lines
float percent_val;
percent_val = anchors_values[(dragged_anchor + 2) % 4] - anchors_values[dragged_anchor];
percent_val = (dragged_anchor >= 2) ? -percent_val : percent_val;
_draw_percentage_at_position(percent_val, (anchors_pos[dragged_anchor] + anchors_pos[(dragged_anchor + 1) % 4]) / 2, (Margin)((dragged_anchor + 1) % 4));
percent_val = anchors_values[(dragged_anchor + 3) % 4] - anchors_values[(dragged_anchor + 1) % 4];
percent_val = ((dragged_anchor + 1) % 4 >= 2) ? -percent_val : percent_val;
_draw_percentage_at_position(percent_val, (anchors_pos[dragged_anchor] + anchors_pos[(dragged_anchor + 3) % 4]) / 2, (Margin)(dragged_anchor));
percent_val = anchors_values[(dragged_anchor + 1) % 4];
percent_val = ((dragged_anchor + 1) % 4 >= 2) ? ANCHOR_END - percent_val : percent_val;
_draw_percentage_at_position(percent_val, (line_starts[dragged_anchor] + anchors_pos[dragged_anchor]) / 2, (Margin)(dragged_anchor));
percent_val = anchors_values[dragged_anchor];
percent_val = (dragged_anchor >= 2) ? ANCHOR_END - percent_val : percent_val;
_draw_percentage_at_position(percent_val, (line_ends[(dragged_anchor + 1) % 4] + anchors_pos[dragged_anchor]) / 2, (Margin)((dragged_anchor + 1) % 4));
}
Rect2 anchor_rects[4];

2
editor/plugins/canvas_item_editor_plugin.h
View file

@ -365,6 +365,8 @@ class CanvasItemEditor : public VBoxContainer {
void _unhandled_key_input(const Ref<InputEvent> &p_ev);
void _draw_percentage_at_position(float p_value, Point2 p_position, Margin p_side);
void _viewport_gui_input(const Ref<InputEvent> &p_event);
void _viewport_draw();