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Many fixes to gradient editor, which was pretty broken. Closes #19308

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This commit is contained in:
Juan Linietsky 2018-09-07 13:49:10 -03:00
parent f1e5b7cf42
commit 6ce9951d9e
4 changed files with 92 additions and 27 deletions
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64
scene/gui/gradient_edit.cpp
View File

@ -29,8 +29,11 @@
/*************************************************************************/
#include "gradient_edit.h"
#include "editor/editor_scale.h"
#include "os/keyboard.h"
#define SPACING (3 * EDSCALE)
GradientEdit::GradientEdit() {
grabbed = -1;
grabbing = false;
@ -49,11 +52,15 @@ GradientEdit::GradientEdit() {
int GradientEdit::_get_point_from_pos(int x) {
int result = -1;
int total_w = get_size().width - get_size().height - 3;
int total_w = get_size().width - get_size().height - SPACING;
float min_distance = 1e20;
for (int i = 0; i < points.size(); i++) {
//Check if we clicked at point
if (ABS(x - points[i].offset * total_w + 1) < (POINT_WIDTH / 2 + 1)) {
float distance = ABS(x - points[i].offset * total_w);
float min = (POINT_WIDTH / 2 * 1.7); //make it easier to grab
if (distance <= min && distance < min_distance) {
result = i;
min_distance = distance;
}
}
return result;
@ -63,7 +70,16 @@ void GradientEdit::_show_color_picker() {
if (grabbed == -1)
return;
picker->set_pick_color(points[grabbed].color);
popup->set_position(get_global_position() - popup->get_combined_minimum_size());
Size2 minsize = popup->get_combined_minimum_size();
bool show_above = false;
if (get_global_position().y + get_size().y + minsize.y > get_viewport_rect().size.y) {
show_above = true;
}
if (show_above) {
popup->set_position(get_global_position() - Vector2(0, minsize.y));
} else {
popup->set_position(get_global_position() + Vector2(0, get_size().y));
}
popup->popup();
}
@ -112,7 +128,7 @@ void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
grabbed = _get_point_from_pos(x);
if (grabbed != -1) {
int total_w = get_size().width - get_size().height - 3;
int total_w = get_size().width - get_size().height - SPACING;
Gradient::Point newPoint = points[grabbed];
newPoint.offset = CLAMP(x / float(total_w), 0, 1);
@ -130,14 +146,15 @@ void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
}
}
//select
if (mb.is_valid() && mb->get_button_index() == 1 && mb->is_pressed()) {
update();
int x = mb->get_position().x;
int total_w = get_size().width - get_size().height - 3;
int total_w = get_size().width - get_size().height - SPACING;
//Check if color selector was clicked.
if (x > total_w + 3) {
if (x > total_w + SPACING) {
_show_color_picker();
return;
}
@ -211,7 +228,7 @@ void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
if (mm.is_valid() && grabbing) {
int total_w = get_size().width - get_size().height - 3;
int total_w = get_size().width - get_size().height - SPACING;
int x = mm->get_position().x;
@ -286,7 +303,7 @@ void GradientEdit::_notification(int p_what) {
if (w == 0 || h == 0)
return; //Safety check. We have division by 'h'. And in any case there is nothing to draw with such size
int total_w = get_size().width - get_size().height - 3;
int total_w = get_size().width - get_size().height - SPACING;
//Draw checker pattern for ramp
_draw_checker(0, 0, total_w, h);
@ -335,27 +352,36 @@ void GradientEdit::_notification(int p_what) {
//Draw point markers
for (int i = 0; i < points.size(); i++) {
Color col = i == grabbed ? Color(1, 0.0, 0.0, 0.9) : points[i].color.contrasted();
Color col = points[i].color.contrasted();
col.a = 0.9;
draw_line(Vector2(points[i].offset * total_w, 0), Vector2(points[i].offset * total_w, h / 2), col);
draw_rect(Rect2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2, POINT_WIDTH, h / 2), Color(0.6, 0.6, 0.6, i == grabbed ? 0.9 : 0.4));
draw_line(Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2), Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h - 1), col);
draw_line(Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h / 2), Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h - 1), col);
draw_line(Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2), Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h / 2), col);
draw_line(Vector2(points[i].offset * total_w - POINT_WIDTH / 2, h - 1), Vector2(points[i].offset * total_w + POINT_WIDTH / 2, h - 1), col);
Rect2 rect = Rect2(points[i].offset * total_w - POINT_WIDTH / 2, h / 2, POINT_WIDTH, h / 2);
draw_rect(rect, points[i].color, true);
draw_rect(rect, col, false);
if (grabbed == i) {
rect = rect.grow(-1);
if (has_focus()) {
draw_rect(rect, Color(1, 0, 0, 0.9), false);
} else {
draw_rect(rect, Color(0.6, 0, 0, 0.9), false);
}
rect = rect.grow(-1);
draw_rect(rect, col, false);
}
}
//Draw "button" for color selector
_draw_checker(total_w + 3, 0, h, h);
_draw_checker(total_w + SPACING, 0, h, h);
if (grabbed != -1) {
//Draw with selection color
draw_rect(Rect2(total_w + 3, 0, h, h), points[grabbed].color);
draw_rect(Rect2(total_w + SPACING, 0, h, h), points[grabbed].color);
} else {
//if no color selected draw grey color with 'X' on top.
draw_rect(Rect2(total_w + 3, 0, h, h), Color(0.5, 0.5, 0.5, 1));
draw_line(Vector2(total_w + 3, 0), Vector2(total_w + 3 + h, h), Color(1, 1, 1, 0.6));
draw_line(Vector2(total_w + 3, h), Vector2(total_w + 3 + h, 0), Color(1, 1, 1, 0.6));
draw_rect(Rect2(total_w + SPACING, 0, h, h), Color(0.5, 0.5, 0.5, 1));
draw_line(Vector2(total_w + SPACING, 0), Vector2(total_w + SPACING + h, h), Color(1, 1, 1, 0.6));
draw_line(Vector2(total_w + SPACING, h), Vector2(total_w + SPACING + h, 0), Color(1, 1, 1, 0.6));
}
//Draw borders around color ramp if in focus

2
scene/gui/gradient_edit.h
View File

@ -36,7 +36,7 @@
#include "scene/resources/color_ramp.h"
#include "scene/resources/default_theme/theme_data.h"
#define POINT_WIDTH 8
#define POINT_WIDTH (8 * EDSCALE)
class GradientEdit : public Control {

51
scene/gui/popup.cpp
View File

@ -234,15 +234,46 @@ String Popup::get_configuration_warning() const {
Popup::~Popup() {
}
void PopupPanel::set_child_rect(Control *p_child) {
ERR_FAIL_NULL(p_child);
Size2 PopupPanel::get_minimum_size() const {
Ref<StyleBox> p = get_stylebox("panel");
p_child->set_anchors_preset(Control::PRESET_WIDE);
p_child->set_margin(MARGIN_LEFT, p->get_margin(MARGIN_LEFT));
p_child->set_margin(MARGIN_RIGHT, -p->get_margin(MARGIN_RIGHT));
p_child->set_margin(MARGIN_TOP, p->get_margin(MARGIN_TOP));
p_child->set_margin(MARGIN_BOTTOM, -p->get_margin(MARGIN_BOTTOM));
Size2 ms;
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c)
continue;
if (c->is_set_as_toplevel())
continue;
Size2 cms = c->get_combined_minimum_size();
ms.x = MAX(cms.x, ms.x);
ms.y = MAX(cms.y, ms.y);
}
return ms + p->get_minimum_size();
}
void PopupPanel::_update_child_rects() {
Ref<StyleBox> p = get_stylebox("panel");
Vector2 cpos(p->get_offset());
Vector2 csize(get_size() - p->get_minimum_size());
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c)
continue;
if (c->is_set_as_toplevel())
continue;
c->set_position(cpos);
c->set_size(csize);
}
}
void PopupPanel::_notification(int p_what) {
@ -250,6 +281,12 @@ void PopupPanel::_notification(int p_what) {
if (p_what == NOTIFICATION_DRAW) {
get_stylebox("panel")->draw(get_canvas_item(), Rect2(Point2(), get_size()));
} else if (p_what == NOTIFICATION_READY) {
_update_child_rects();
} else if (p_what == NOTIFICATION_RESIZED) {
_update_child_rects();
}
}

2
scene/gui/popup.h
View File

@ -77,10 +77,12 @@ class PopupPanel : public Popup {
GDCLASS(PopupPanel, Popup);
protected:
void _update_child_rects();
void _notification(int p_what);
public:
void set_child_rect(Control *p_child);
virtual Size2 get_minimum_size() const;
PopupPanel();
};