diff --git a/doc/classes/GraphEdit.xml b/doc/classes/GraphEdit.xml
index b4536c05898..16fc1ca17ac 100644
--- a/doc/classes/GraphEdit.xml
+++ b/doc/classes/GraphEdit.xml
@@ -197,6 +197,9 @@
The scroll offset.
+
+ If [code]true[/code], makes a label with the current zoom level visible. The zoom value is displayed in percents.
+
The snapping distance in pixels.
@@ -206,6 +209,15 @@
The current zoom value.
+
+ The upper zoom limit.
+
+
+ The lower zoom limit.
+
+
+ The step of each zoom level.
+
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index 1e444e439dc..57d395e8943 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -40,16 +40,6 @@
#include "editor/editor_scale.h"
#endif
-#define ZOOM_SCALE 1.2
-
-// Allow dezooming 8 times from the default zoom level.
-// At low zoom levels, text is unreadable due to its small size and poor filtering,
-// but this is still useful for previewing purposes.
-#define MIN_ZOOM (1 / Math::pow(ZOOM_SCALE, 8))
-
-// Allow zooming 4 times from the default zoom level.
-#define MAX_ZOOM (1 * Math::pow(ZOOM_SCALE, 4))
-
#define MINIMAP_OFFSET 12
#define MINIMAP_PADDING 5
@@ -1328,9 +1318,9 @@ void GraphEdit::_gui_input(const Ref &p_ev) {
}
if (b->get_button_index() == MOUSE_BUTTON_WHEEL_UP && Input::get_singleton()->is_key_pressed(KEY_CTRL)) {
- set_zoom_custom(zoom * ZOOM_SCALE, b->get_position());
+ set_zoom_custom(zoom * zoom_step, b->get_position());
} else if (b->get_button_index() == MOUSE_BUTTON_WHEEL_DOWN && Input::get_singleton()->is_key_pressed(KEY_CTRL)) {
- set_zoom_custom(zoom / ZOOM_SCALE, b->get_position());
+ set_zoom_custom(zoom / zoom_step, b->get_position());
} else if (b->get_button_index() == MOUSE_BUTTON_WHEEL_UP && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
v_scroll->set_value(v_scroll->get_value() - v_scroll->get_page() * b->get_factor() / 8);
} else if (b->get_button_index() == MOUSE_BUTTON_WHEEL_DOWN && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
@@ -1397,19 +1387,19 @@ void GraphEdit::set_zoom(float p_zoom) {
}
void GraphEdit::set_zoom_custom(float p_zoom, const Vector2 &p_center) {
- p_zoom = CLAMP(p_zoom, MIN_ZOOM, MAX_ZOOM);
+ p_zoom = CLAMP(p_zoom, zoom_min, zoom_max);
if (zoom == p_zoom) {
return;
}
- zoom_minus->set_disabled(zoom == MIN_ZOOM);
- zoom_plus->set_disabled(zoom == MAX_ZOOM);
-
Vector2 sbofs = (Vector2(h_scroll->get_value(), v_scroll->get_value()) + p_center) / zoom;
zoom = p_zoom;
top_layer->update();
+ zoom_minus->set_disabled(zoom == zoom_min);
+ zoom_plus->set_disabled(zoom == zoom_max);
+
_update_scroll();
minimap->update();
connections_layer->update();
@@ -1420,6 +1410,7 @@ void GraphEdit::set_zoom_custom(float p_zoom, const Vector2 &p_center) {
v_scroll->set_value(ofs.y);
}
+ _update_zoom_label();
update();
}
@@ -1427,6 +1418,61 @@ float GraphEdit::get_zoom() const {
return zoom;
}
+void GraphEdit::set_zoom_step(float p_zoom_step) {
+ p_zoom_step = abs(p_zoom_step);
+ if (zoom_step == p_zoom_step) {
+ return;
+ }
+
+ zoom_step = p_zoom_step;
+}
+
+float GraphEdit::get_zoom_step() const {
+ return zoom_step;
+}
+
+void GraphEdit::set_zoom_min(float p_zoom_min) {
+ ERR_FAIL_COND_MSG(p_zoom_min > zoom_max, "Cannot set min zoom level greater than max zoom level.");
+
+ if (zoom_min == p_zoom_min) {
+ return;
+ }
+
+ zoom_min = p_zoom_min;
+ set_zoom(zoom);
+}
+
+float GraphEdit::get_zoom_min() const {
+ return zoom_min;
+}
+
+void GraphEdit::set_zoom_max(float p_zoom_max) {
+ ERR_FAIL_COND_MSG(p_zoom_max < zoom_min, "Cannot set max zoom level lesser than min zoom level.");
+
+ if (zoom_max == p_zoom_max) {
+ return;
+ }
+
+ zoom_max = p_zoom_max;
+ set_zoom(zoom);
+}
+
+float GraphEdit::get_zoom_max() const {
+ return zoom_max;
+}
+
+void GraphEdit::set_show_zoom_label(bool p_enable) {
+ if (zoom_label->is_visible() == p_enable) {
+ return;
+ }
+
+ zoom_label->set_visible(p_enable);
+}
+
+bool GraphEdit::is_showing_zoom_label() const {
+ return zoom_label->is_visible();
+}
+
void GraphEdit::set_right_disconnects(bool p_enable) {
right_disconnects = p_enable;
}
@@ -1467,7 +1513,7 @@ Array GraphEdit::_get_connection_list() const {
}
void GraphEdit::_zoom_minus() {
- set_zoom(zoom / ZOOM_SCALE);
+ set_zoom(zoom / zoom_step);
}
void GraphEdit::_zoom_reset() {
@@ -1475,7 +1521,13 @@ void GraphEdit::_zoom_reset() {
}
void GraphEdit::_zoom_plus() {
- set_zoom(zoom * ZOOM_SCALE);
+ set_zoom(zoom * zoom_step);
+}
+
+void GraphEdit::_update_zoom_label() {
+ int zoom_percent = static_cast(Math::round(zoom * 100));
+ String zoom_text = itos(zoom_percent) + "%";
+ zoom_label->set_text(zoom_text);
}
void GraphEdit::add_valid_connection_type(int p_type, int p_with_type) {
@@ -1616,6 +1668,18 @@ void GraphEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_zoom", "zoom"), &GraphEdit::set_zoom);
ClassDB::bind_method(D_METHOD("get_zoom"), &GraphEdit::get_zoom);
+ ClassDB::bind_method(D_METHOD("set_zoom_min", "zoom_min"), &GraphEdit::set_zoom_min);
+ ClassDB::bind_method(D_METHOD("get_zoom_min"), &GraphEdit::get_zoom_min);
+
+ ClassDB::bind_method(D_METHOD("set_zoom_max", "zoom_max"), &GraphEdit::set_zoom_max);
+ ClassDB::bind_method(D_METHOD("get_zoom_max"), &GraphEdit::get_zoom_max);
+
+ ClassDB::bind_method(D_METHOD("set_zoom_step", "zoom_step"), &GraphEdit::set_zoom_step);
+ ClassDB::bind_method(D_METHOD("get_zoom_step"), &GraphEdit::get_zoom_step);
+
+ ClassDB::bind_method(D_METHOD("set_show_zoom_label", "enable"), &GraphEdit::set_show_zoom_label);
+ ClassDB::bind_method(D_METHOD("is_showing_zoom_label"), &GraphEdit::is_showing_zoom_label);
+
ClassDB::bind_method(D_METHOD("set_snap", "pixels"), &GraphEdit::set_snap);
ClassDB::bind_method(D_METHOD("get_snap"), &GraphEdit::get_snap);
@@ -1650,9 +1714,18 @@ void GraphEdit::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset"), "set_scroll_ofs", "get_scroll_ofs");
ADD_PROPERTY(PropertyInfo(Variant::INT, "snap_distance"), "set_snap", "get_snap");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_snap"), "set_use_snap", "is_using_snap");
- ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "zoom"), "set_zoom", "get_zoom");
+
+ ADD_GROUP("Connection Lines", "connection_lines");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "connection_lines_thickness"), "set_connection_lines_thickness", "get_connection_lines_thickness");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "connection_lines_antialiased"), "set_connection_lines_antialiased", "is_connection_lines_antialiased");
+
+ ADD_GROUP("Zoom", "");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "zoom"), "set_zoom", "get_zoom");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "zoom_min"), "set_zoom_min", "get_zoom_min");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "zoom_max"), "set_zoom_max", "get_zoom_max");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "zoom_step"), "set_zoom_step", "get_zoom_step");
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_zoom_label"), "set_show_zoom_label", "is_showing_zoom_label");
+
ADD_GROUP("Minimap", "minimap");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "minimap_enabled"), "set_minimap_enabled", "is_minimap_enabled");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "minimap_size"), "set_minimap_size", "get_minimap_size");
@@ -1677,6 +1750,13 @@ void GraphEdit::_bind_methods() {
GraphEdit::GraphEdit() {
set_focus_mode(FOCUS_ALL);
+ // Allow dezooming 8 times from the default zoom level.
+ // At low zoom levels, text is unreadable due to its small size and poor filtering,
+ // but this is still useful for previewing purposes.
+ zoom_min = (1 / Math::pow(zoom_step, 8));
+ // Allow zooming 4 times from the default zoom level.
+ zoom_max = (1 * Math::pow(zoom_step, 4));
+
top_layer = memnew(GraphEditFilter(this));
add_child(top_layer);
top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
@@ -1713,6 +1793,18 @@ GraphEdit::GraphEdit() {
top_layer->add_child(zoom_hb);
zoom_hb->set_position(Vector2(10, 10));
+ zoom_label = memnew(Label);
+ zoom_hb->add_child(zoom_label);
+ zoom_label->set_visible(false);
+ zoom_label->set_v_size_flags(Control::SIZE_SHRINK_CENTER);
+ zoom_label->set_align(Label::ALIGN_CENTER);
+#ifdef TOOLS_ENABLED
+ zoom_label->set_custom_minimum_size(Size2(48, 0) * EDSCALE);
+#else
+ zoom_label->set_custom_minimum_size(Size2(48, 0));
+#endif
+ _update_zoom_label();
+
zoom_minus = memnew(Button);
zoom_minus->set_flat(true);
zoom_hb->add_child(zoom_minus);
diff --git a/scene/gui/graph_edit.h b/scene/gui/graph_edit.h
index 8a51bcb11e2..e8300f901ca 100644
--- a/scene/gui/graph_edit.h
+++ b/scene/gui/graph_edit.h
@@ -34,6 +34,7 @@
#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/graph_node.h"
+#include "scene/gui/label.h"
#include "scene/gui/scroll_bar.h"
#include "scene/gui/slider.h"
#include "scene/gui/spin_box.h"
@@ -105,6 +106,7 @@ public:
};
private:
+ Label *zoom_label;
Button *zoom_minus;
Button *zoom_reset;
Button *zoom_plus;
@@ -114,10 +116,6 @@ private:
Button *minimap_button;
- void _zoom_minus();
- void _zoom_reset();
- void _zoom_plus();
-
HScrollBar *h_scroll;
VScrollBar *v_scroll;
@@ -144,6 +142,14 @@ private:
Vector2 drag_accum;
float zoom = 1.0;
+ float zoom_step = 1.2;
+ float zoom_min;
+ float zoom_max;
+
+ void _zoom_minus();
+ void _zoom_reset();
+ void _zoom_plus();
+ void _update_zoom_label();
bool box_selecting = false;
bool box_selection_mode_additive = false;
@@ -247,6 +253,18 @@ public:
void set_zoom_custom(float p_zoom, const Vector2 &p_center);
float get_zoom() const;
+ void set_zoom_min(float p_zoom_min);
+ float get_zoom_min() const;
+
+ void set_zoom_max(float p_zoom_max);
+ float get_zoom_max() const;
+
+ void set_zoom_step(float p_zoom_step);
+ float get_zoom_step() const;
+
+ void set_show_zoom_label(bool p_enable);
+ bool is_showing_zoom_label() const;
+
void set_minimap_size(Vector2 p_size);
Vector2 get_minimap_size() const;
void set_minimap_opacity(float p_opacity);