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-rw-r--r--scene/gui/check_box.h6
-rw-r--r--scene/gui/check_button.h6
-rw-r--r--scene/gui/code_edit.cpp2
-rw-r--r--scene/gui/graph_edit.cpp60
-rw-r--r--scene/gui/graph_edit.h18
-rw-r--r--scene/gui/label.cpp48
-rw-r--r--scene/gui/line_edit.cpp4
-rw-r--r--scene/gui/tab_bar.cpp389
-rw-r--r--scene/gui/tab_bar.h1
-rw-r--r--scene/gui/text_edit.cpp2
-rw-r--r--scene/gui/view_panner.cpp142
-rw-r--r--scene/gui/view_panner.h68
12 files changed, 504 insertions, 242 deletions
diff --git a/scene/gui/check_box.h b/scene/gui/check_box.h
index 735c7aedfe..fcdb2ce08c 100644
--- a/scene/gui/check_box.h
+++ b/scene/gui/check_box.h
@@ -32,9 +32,7 @@
#define CHECK_BOX_H
#include "scene/gui/button.h"
-/**
-@author Mariano Suligoy <marianognu.esyrpg@gmail.com>
-*/
+
class CheckBox : public Button {
GDCLASS(CheckBox, Button);
@@ -50,4 +48,4 @@ public:
~CheckBox();
};
-#endif
+#endif // CHECK_BOX_H
diff --git a/scene/gui/check_button.h b/scene/gui/check_button.h
index 5ba81a1027..9a72d04db2 100644
--- a/scene/gui/check_button.h
+++ b/scene/gui/check_button.h
@@ -32,9 +32,7 @@
#define CHECK_BUTTON_H
#include "scene/gui/button.h"
-/**
-@author Juan Linietsky <reduzio@gmail.com>
-*/
+
class CheckButton : public Button {
GDCLASS(CheckButton, Button);
@@ -48,4 +46,4 @@ public:
~CheckButton();
};
-#endif
+#endif // CHECK_BUTTON_H
diff --git a/scene/gui/code_edit.cpp b/scene/gui/code_edit.cpp
index 398b909195..040075150b 100644
--- a/scene/gui/code_edit.cpp
+++ b/scene/gui/code_edit.cpp
@@ -92,7 +92,7 @@ void CodeEdit::_notification(int p_what) {
if (line_length_guideline_columns.size() > 0) {
const int xmargin_beg = style_normal->get_margin(SIDE_LEFT) + get_total_gutter_width();
const int xmargin_end = size.width - style_normal->get_margin(SIDE_RIGHT) - (is_drawing_minimap() ? get_minimap_width() : 0);
- const int char_size = (int)font->get_char_size('0', 0, font_size).width;
+ const int char_size = Math::round(font->get_char_size('0', 0, font_size).width);
for (int i = 0; i < line_length_guideline_columns.size(); i++) {
const int xoffset = xmargin_beg + char_size * (int)line_length_guideline_columns[i] - get_h_scroll();
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index 378bfb69dc..79b73f7cc3 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -35,6 +35,7 @@
#include "core/os/keyboard.h"
#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
+#include "scene/gui/view_panner.h"
constexpr int MINIMAP_OFFSET = 12;
constexpr int MINIMAP_PADDING = 5;
@@ -1069,13 +1070,9 @@ void GraphEdit::set_selected(Node *p_child) {
void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
ERR_FAIL_COND(p_ev.is_null());
+ panner->gui_input(p_ev);
Ref<InputEventMouseMotion> mm = p_ev;
- if (mm.is_valid() && ((mm->get_button_mask() & MouseButton::MASK_MIDDLE) != MouseButton::NONE || ((mm->get_button_mask() & MouseButton::MASK_LEFT) != MouseButton::NONE && Input::get_singleton()->is_key_pressed(Key::SPACE)))) {
- Vector2i relative = Input::get_singleton()->warp_mouse_motion(mm, get_global_rect());
- h_scroll->set_value(h_scroll->get_value() - relative.x);
- v_scroll->set_value(v_scroll->get_value() - relative.y);
- }
if (mm.is_valid() && dragging) {
if (!moving_selection) {
@@ -1327,22 +1324,6 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
top_layer->update();
minimap->update();
}
-
- int scroll_direction = (b->get_button_index() == MouseButton::WHEEL_DOWN) - (b->get_button_index() == MouseButton::WHEEL_UP);
- if (scroll_direction != 0) {
- if (b->is_ctrl_pressed()) {
- if (b->is_shift_pressed()) {
- // Horizontal scrolling.
- h_scroll->set_value(h_scroll->get_value() + (h_scroll->get_page() * b->get_factor() / 8) * scroll_direction);
- } else {
- // Vertical scrolling.
- v_scroll->set_value(v_scroll->get_value() + (v_scroll->get_page() * b->get_factor() / 8) * scroll_direction);
- }
- } else {
- // Zooming.
- set_zoom_custom(scroll_direction < 0 ? zoom * zoom_step : zoom / zoom_step, b->get_position());
- }
- }
}
if (p_ev->is_pressed()) {
@@ -1373,6 +1354,23 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
}
}
+void GraphEdit::_scroll_callback(Vector2 p_scroll_vec) {
+ if (p_scroll_vec.x != 0) {
+ h_scroll->set_value(h_scroll->get_value() + (h_scroll->get_page() * Math::abs(p_scroll_vec.x) / 8) * SIGN(p_scroll_vec.x));
+ } else {
+ v_scroll->set_value(v_scroll->get_value() + (v_scroll->get_page() * Math::abs(p_scroll_vec.y) / 8) * SIGN(p_scroll_vec.y));
+ }
+}
+
+void GraphEdit::_pan_callback(Vector2 p_scroll_vec) {
+ h_scroll->set_value(h_scroll->get_value() - p_scroll_vec.x);
+ v_scroll->set_value(v_scroll->get_value() - p_scroll_vec.y);
+}
+
+void GraphEdit::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin) {
+ set_zoom_custom(p_scroll_vec.y < 0 ? zoom * zoom_step : zoom / zoom_step, p_origin);
+}
+
void GraphEdit::set_connection_activity(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port, float p_activity) {
for (Connection &E : connections) {
if (E.from == p_from && E.from_port == p_from_port && E.to == p_to && E.to_port == p_to_port) {
@@ -1406,6 +1404,15 @@ void GraphEdit::force_connection_drag_end() {
emit_signal(SNAME("connection_drag_ended"));
}
+void GraphEdit::set_panning_scheme(PanningScheme p_scheme) {
+ panning_scheme = p_scheme;
+ panner->set_control_scheme((ViewPanner::ControlScheme)p_scheme);
+}
+
+GraphEdit::PanningScheme GraphEdit::get_panning_scheme() const {
+ return panning_scheme;
+}
+
void GraphEdit::set_zoom(float p_zoom) {
set_zoom_custom(p_zoom, get_size() / 2);
}
@@ -2190,6 +2197,9 @@ void GraphEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_valid_connection_type", "from_type", "to_type"), &GraphEdit::is_valid_connection_type);
ClassDB::bind_method(D_METHOD("get_connection_line", "from", "to"), &GraphEdit::get_connection_line);
+ ClassDB::bind_method(D_METHOD("set_panning_scheme", "scheme"), &GraphEdit::set_panning_scheme);
+ ClassDB::bind_method(D_METHOD("get_panning_scheme"), &GraphEdit::get_panning_scheme);
+
ClassDB::bind_method(D_METHOD("set_zoom", "zoom"), &GraphEdit::set_zoom);
ClassDB::bind_method(D_METHOD("get_zoom"), &GraphEdit::get_zoom);
@@ -2244,6 +2254,7 @@ 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::INT, "panning_scheme", PROPERTY_HINT_ENUM, "Scroll Zooms,Scroll Pans"), "set_panning_scheme", "get_panning_scheme");
ADD_GROUP("Connection Lines", "connection_lines");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "connection_lines_thickness"), "set_connection_lines_thickness", "get_connection_lines_thickness");
@@ -2277,6 +2288,9 @@ void GraphEdit::_bind_methods() {
ADD_SIGNAL(MethodInfo("scroll_offset_changed", PropertyInfo(Variant::VECTOR2, "ofs")));
ADD_SIGNAL(MethodInfo("connection_drag_started", PropertyInfo(Variant::STRING, "from"), PropertyInfo(Variant::STRING, "slot"), PropertyInfo(Variant::BOOL, "is_output")));
ADD_SIGNAL(MethodInfo("connection_drag_ended"));
+
+ BIND_ENUM_CONSTANT(SCROLL_ZOOMS);
+ BIND_ENUM_CONSTANT(SCROLL_PANS);
}
GraphEdit::GraphEdit() {
@@ -2289,6 +2303,10 @@ GraphEdit::GraphEdit() {
// Allow zooming 4 times from the default zoom level.
zoom_max = (1 * Math::pow(zoom_step, 4));
+ panner.instantiate();
+ panner->set_callbacks(callable_mp(this, &GraphEdit::_scroll_callback), callable_mp(this, &GraphEdit::_pan_callback), callable_mp(this, &GraphEdit::_zoom_callback));
+ panner->set_disable_rmb(true);
+
top_layer = memnew(GraphEditFilter(this));
add_child(top_layer, false, INTERNAL_MODE_BACK);
top_layer->set_mouse_filter(MOUSE_FILTER_PASS);
diff --git a/scene/gui/graph_edit.h b/scene/gui/graph_edit.h
index 145e0dcc59..4e998d30a7 100644
--- a/scene/gui/graph_edit.h
+++ b/scene/gui/graph_edit.h
@@ -41,6 +41,7 @@
#include "scene/gui/texture_rect.h"
class GraphEdit;
+class ViewPanner;
class GraphEditFilter : public Control {
GDCLASS(GraphEditFilter, Control);
@@ -103,6 +104,12 @@ public:
float activity = 0.0;
};
+ // Should be in sync with ControlScheme in ViewPanner.
+ enum PanningScheme {
+ SCROLL_ZOOMS,
+ SCROLL_PANS,
+ };
+
private:
Label *zoom_label;
Button *zoom_minus;
@@ -122,6 +129,11 @@ private:
float port_grab_distance_horizontal = 0.0;
float port_grab_distance_vertical;
+ Ref<ViewPanner> panner;
+ void _scroll_callback(Vector2 p_scroll_vec);
+ void _pan_callback(Vector2 p_scroll_vec);
+ void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin);
+
bool connecting = false;
String connecting_from;
bool connecting_out = false;
@@ -136,6 +148,7 @@ private:
bool connecting_valid = false;
Vector2 click_pos;
+ PanningScheme panning_scheme = SCROLL_ZOOMS;
bool dragging = false;
bool just_selected = false;
bool moving_selection = false;
@@ -277,6 +290,9 @@ public:
void remove_valid_connection_type(int p_type, int p_with_type);
bool is_valid_connection_type(int p_type, int p_with_type) const;
+ void set_panning_scheme(PanningScheme p_scheme);
+ PanningScheme get_panning_scheme() const;
+
void set_zoom(float p_zoom);
void set_zoom_custom(float p_zoom, const Vector2 &p_center);
float get_zoom() const;
@@ -338,4 +354,6 @@ public:
GraphEdit();
};
+VARIANT_ENUM_CAST(GraphEdit::PanningScheme);
+
#endif // GRAPHEdit_H
diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index edd206a1ca..861b70f17e 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -183,11 +183,9 @@ void Label::_shape() {
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
}
-
} else if (lines_hidden) {
TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
}
-
} else {
// Autowrap disabled.
for (int i = 0; i < lines_rid.size(); i++) {
@@ -294,7 +292,7 @@ void Label::_notification(int p_what) {
Color font_outline_color = get_theme_color(SNAME("font_outline_color"));
int outline_size = get_theme_constant(SNAME("outline_size"));
int shadow_outline_size = get_theme_constant(SNAME("shadow_outline_size"));
- bool rtl = TS->shaped_text_get_direction(text_rid);
+ bool rtl = (TS->shaped_text_get_inferred_direction(text_rid) == TextServer::DIRECTION_RTL);
bool rtl_layout = is_layout_rtl();
style->draw(ci, Rect2(Point2(0, 0), get_size()));
@@ -422,19 +420,19 @@ void Label::_notification(int p_what) {
// Draw main text.
for (int j = 0; j < gl_size; j++) {
- for (int k = 0; k < glyphs[j].repeat; k++) {
- // Trim when necessary.
- if (trim_pos >= 0) {
- if (rtl) {
- if (j < trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
- continue;
- }
- } else {
- if (j >= trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
- break;
- }
+ // Trim when necessary.
+ if (trim_pos >= 0) {
+ if (rtl) {
+ if (j < trim_pos) {
+ continue;
+ }
+ } else {
+ if (j >= trim_pos) {
+ break;
}
}
+ }
+ for (int k = 0; k < glyphs[j].repeat; k++) {
bool skip = (trim_chars && glyphs[j].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs_ol >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs_ol < total_glyphs - visible_glyphs));
// Draw glyph outlines and shadow.
@@ -480,19 +478,19 @@ void Label::_notification(int p_what) {
// Draw main text.
for (int j = 0; j < gl_size; j++) {
- for (int k = 0; k < glyphs[j].repeat; k++) {
- // Trim when necessary.
- if (trim_pos >= 0) {
- if (rtl) {
- if (j < trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
- continue;
- }
- } else {
- if (j >= trim_pos && (glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
- break;
- }
+ // Trim when necessary.
+ if (trim_pos >= 0) {
+ if (rtl) {
+ if (j < trim_pos) {
+ continue;
+ }
+ } else {
+ if (j >= trim_pos) {
+ break;
}
}
+ }
+ for (int k = 0; k < glyphs[j].repeat; k++) {
bool skip = (trim_chars && glyphs[j].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs < total_glyphs - visible_glyphs));
// Draw glyph outlines and shadow.
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index ec18101d2f..f7d6850a88 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -780,8 +780,6 @@ void LineEdit::_notification(int p_what) {
ofs_max -= r_icon->get_width();
}
- int caret_width = Math::round(1 * get_theme_default_base_scale());
-
// Draw selections rects.
Vector2 ofs = Point2(x_ofs + scroll_offset, y_ofs);
if (selection.enabled) {
@@ -843,6 +841,8 @@ void LineEdit::_notification(int p_what) {
// Draw carets.
ofs.x = x_ofs + scroll_offset;
if (draw_caret || drag_caret_force_displayed) {
+ const int caret_width = get_theme_constant(SNAME("caret_width")) * get_theme_default_base_scale();
+
if (ime_text.length() == 0) {
// Normal caret.
CaretInfo caret = TS->shaped_text_get_carets(text_rid, caret_column);
diff --git a/scene/gui/tab_bar.cpp b/scene/gui/tab_bar.cpp
index 92da169487..9da030f0a2 100644
--- a/scene/gui/tab_bar.cpp
+++ b/scene/gui/tab_bar.cpp
@@ -147,6 +147,7 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) {
if (scrolling_enabled && buttons_visible) {
if (offset > 0) {
offset--;
+ _update_cache();
update();
}
}
@@ -154,9 +155,9 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) {
if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_DOWN && !mb->is_command_pressed()) {
if (scrolling_enabled && buttons_visible) {
- if (missing_right) {
+ if (missing_right && offset < tabs.size()) {
offset++;
- _ensure_no_over_offset(); // Avoid overreaching when scrolling fast.
+ _update_cache();
update();
}
}
@@ -194,12 +195,14 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) {
if (pos.x < decr->get_width()) {
if (missing_right) {
offset++;
+ _update_cache();
update();
}
return;
} else if (pos.x < incr->get_width() + decr->get_width()) {
if (offset > 0) {
offset--;
+ _update_cache();
update();
}
return;
@@ -209,12 +212,14 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) {
if (pos.x > limit + decr->get_width()) {
if (missing_right) {
offset++;
+ _update_cache();
update();
}
return;
} else if (pos.x > limit) {
if (offset > 0) {
offset--;
+ _update_cache();
update();
}
return;
@@ -294,8 +299,9 @@ void TabBar::_notification(int p_what) {
ensure_tab_visible(current);
} break;
case NOTIFICATION_DRAW: {
- _update_cache();
- RID ci = get_canvas_item();
+ if (tabs.is_empty()) {
+ return;
+ }
Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected"));
Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected"));
@@ -303,174 +309,46 @@ void TabBar::_notification(int p_what) {
Color font_selected_color = get_theme_color(SNAME("font_selected_color"));
Color font_unselected_color = get_theme_color(SNAME("font_unselected_color"));
Color font_disabled_color = get_theme_color(SNAME("font_disabled_color"));
- Ref<Texture2D> close = get_theme_icon(SNAME("close"));
- Color font_outline_color = get_theme_color(SNAME("font_outline_color"));
- int outline_size = get_theme_constant(SNAME("outline_size"));
-
- Vector2 size = get_size();
- bool rtl = is_layout_rtl();
-
- int h = get_size().height;
- int w = 0;
- int mw = 0;
-
- for (int i = 0; i < tabs.size(); i++) {
- tabs.write[i].ofs_cache = mw;
- mw += get_tab_width(i);
- }
-
- if (tab_alignment == ALIGNMENT_CENTER) {
- w = (get_size().width - mw) / 2;
- } else if (tab_alignment == ALIGNMENT_RIGHT) {
- w = get_size().width - mw;
- }
-
- if (w < 0) {
- w = 0;
- }
-
Ref<Texture2D> incr = get_theme_icon(SNAME("increment"));
Ref<Texture2D> decr = get_theme_icon(SNAME("decrement"));
Ref<Texture2D> incr_hl = get_theme_icon(SNAME("increment_highlight"));
Ref<Texture2D> decr_hl = get_theme_icon(SNAME("decrement_highlight"));
- int limit = get_size().width;
- int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
-
- missing_right = false;
-
- for (int i = offset; i < tabs.size(); i++) {
- tabs.write[i].ofs_cache = w;
-
- int lsize = tabs[i].size_cache;
-
- Ref<StyleBox> sb;
- Color col;
-
- if (tabs[i].disabled) {
- sb = tab_disabled;
- col = font_disabled_color;
- } else if (i == current) {
- sb = tab_selected;
- col = font_selected_color;
- } else {
- sb = tab_unselected;
- col = font_unselected_color;
- }
-
- int new_width = w + lsize;
- if (new_width > limit || (i < tabs.size() - 1 && new_width > limit_minus_buttons)) { // For the last tab, we accept if the tab covers the buttons.
- max_drawn_tab = i - 1;
- missing_right = true;
- break;
- } else {
- max_drawn_tab = i;
- }
-
- Rect2 sb_rect;
- if (rtl) {
- sb_rect = Rect2(size.width - w - tabs[i].size_cache, 0, tabs[i].size_cache, h);
- } else {
- sb_rect = Rect2(w, 0, tabs[i].size_cache, h);
- }
- sb->draw(ci, sb_rect);
-
- w += sb->get_margin(SIDE_LEFT);
-
- Size2i sb_ms = sb->get_minimum_size();
- Ref<Texture2D> icon = tabs[i].icon;
- if (icon.is_valid()) {
- if (rtl) {
- icon->draw(ci, Point2i(size.width - w - icon->get_width(), sb->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2));
- } else {
- icon->draw(ci, Point2i(w, sb->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2));
- }
- if (!tabs[i].text.is_empty()) {
- w += icon->get_width() + get_theme_constant(SNAME("hseparation"));
- }
- }
-
- if (rtl) {
- Vector2 text_pos = Point2i(size.width - w - tabs[i].text_buf->get_size().x, sb->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - tabs[i].text_buf->get_size().y) / 2);
- if (outline_size > 0 && font_outline_color.a > 0) {
- tabs[i].text_buf->draw_outline(ci, text_pos, outline_size, font_outline_color);
- }
- tabs[i].text_buf->draw(ci, text_pos, col);
- } else {
- Vector2 text_pos = Point2i(w, sb->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - tabs[i].text_buf->get_size().y) / 2);
- if (outline_size > 0 && font_outline_color.a > 0) {
- tabs[i].text_buf->draw_outline(ci, text_pos, outline_size, font_outline_color);
- }
- tabs[i].text_buf->draw(ci, text_pos, col);
- }
-
- w += tabs[i].size_text;
-
- if (tabs[i].right_button.is_valid()) {
- Ref<StyleBox> style = get_theme_stylebox(SNAME("close_bg_highlight"));
- Ref<Texture2D> rb = tabs[i].right_button;
+ bool rtl = is_layout_rtl();
+ Vector2 size = get_size();
+ int limit_minus_buttons = size.width - incr->get_width() - decr->get_width();
- w += get_theme_constant(SNAME("hseparation"));
+ int ofs = tabs[offset].ofs_cache;
- Rect2 rb_rect;
- rb_rect.size = style->get_minimum_size() + rb->get_size();
- if (rtl) {
- rb_rect.position.x = size.width - w - rb_rect.size.x;
+ // Draw unselected tabs in the back.
+ for (int i = offset; i <= max_drawn_tab; i++) {
+ if (i != current) {
+ Ref<StyleBox> sb;
+ Color col;
+
+ if (tabs[i].disabled) {
+ sb = tab_disabled;
+ col = font_disabled_color;
+ } else if (i == current) {
+ sb = tab_selected;
+ col = font_selected_color;
} else {
- rb_rect.position.x = w;
+ sb = tab_unselected;
+ col = font_unselected_color;
}
- rb_rect.position.y = sb->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2;
- if (rb_hover == i) {
- if (rb_pressing) {
- get_theme_stylebox(SNAME("button_pressed"))->draw(ci, rb_rect);
- } else {
- style->draw(ci, rb_rect);
- }
- }
-
- if (rtl) {
- rb->draw(ci, Point2i(size.width - w - rb_rect.size.x + style->get_margin(SIDE_LEFT), rb_rect.position.y + style->get_margin(SIDE_TOP)));
- } else {
- rb->draw(ci, Point2i(w + style->get_margin(SIDE_LEFT), rb_rect.position.y + style->get_margin(SIDE_TOP)));
- }
- w += rb->get_width();
- tabs.write[i].rb_rect = rb_rect;
+ _draw_tab(sb, col, i, rtl ? size.width - ofs - tabs[i].size_cache : ofs);
}
- if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && i == current)) {
- Ref<StyleBox> style = get_theme_stylebox(SNAME("close_bg_highlight"));
- Ref<Texture2D> cb = close;
-
- w += get_theme_constant(SNAME("hseparation"));
-
- Rect2 cb_rect;
- cb_rect.size = style->get_minimum_size() + cb->get_size();
- if (rtl) {
- cb_rect.position.x = size.width - w - cb_rect.size.x;
- } else {
- cb_rect.position.x = w;
- }
- cb_rect.position.y = sb->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2;
-
- if (!tabs[i].disabled && cb_hover == i) {
- if (cb_pressing) {
- get_theme_stylebox(SNAME("close_bg_pressed"))->draw(ci, cb_rect);
- } else {
- style->draw(ci, cb_rect);
- }
- }
+ ofs += tabs[i].size_cache;
+ }
- if (rtl) {
- cb->draw(ci, Point2i(size.width - w - cb_rect.size.x + style->get_margin(SIDE_LEFT), cb_rect.position.y + style->get_margin(SIDE_TOP)));
- } else {
- cb->draw(ci, Point2i(w + style->get_margin(SIDE_LEFT), cb_rect.position.y + style->get_margin(SIDE_TOP)));
- }
- w += cb->get_width();
- tabs.write[i].cb_rect = cb_rect;
- }
+ // Draw selected tab in the front, but only if it's visible.
+ if (current >= offset && current <= max_drawn_tab) {
+ Ref<StyleBox> sb = tabs[current].disabled ? tab_disabled : tab_selected;
+ float x = rtl ? size.width - tabs[current].ofs_cache - tabs[current].size_cache : tabs[current].ofs_cache;
- w += sb->get_margin(SIDE_RIGHT);
+ _draw_tab(sb, font_selected_color, current, x);
}
if (offset > 0 || missing_right) {
@@ -501,18 +379,96 @@ void TabBar::_notification(int p_what) {
draw_texture(incr, Point2(limit_minus_buttons + decr->get_size().width, vofs), Color(1, 1, 1, 0.5));
}
}
+ }
+ } break;
+ }
+}
+
+void TabBar::_draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_index, float p_x) {
+ RID ci = get_canvas_item();
+
+ Color font_outline_color = get_theme_color(SNAME("font_outline_color"));
+ int outline_size = get_theme_constant(SNAME("outline_size"));
+
+ Tab tab = tabs[p_index];
+
+ Rect2 sb_rect = Rect2(p_x, 0, tab.size_cache, get_size().height);
+ p_tab_style->draw(ci, sb_rect);
+
+ p_x += p_tab_style->get_margin(SIDE_LEFT);
+
+ Size2i sb_ms = p_tab_style->get_minimum_size();
+
+ Ref<Texture2D> icon = tab.icon;
+ if (icon.is_valid()) {
+ icon->draw(ci, Point2i(p_x, p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - icon->get_height()) / 2));
+
+ if (!tab.text.is_empty()) {
+ p_x += icon->get_width() + get_theme_constant(SNAME("hseparation"));
+ }
+ }
+
+ Vector2 text_pos = Point2i(p_x, p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - tab.text_buf->get_size().y) / 2);
+ if (outline_size > 0 && font_outline_color.a > 0) {
+ tab.text_buf->draw_outline(ci, text_pos, outline_size, font_outline_color);
+ }
+ tab.text_buf->draw(ci, text_pos, p_font_color);
+
+ p_x += tab.size_text;
- buttons_visible = true;
+ if (tab.right_button.is_valid()) {
+ Ref<StyleBox> style = get_theme_stylebox(SNAME("close_bg_highlight"));
+ Ref<Texture2D> rb = tab.right_button;
+
+ p_x += get_theme_constant(SNAME("hseparation"));
+
+ Rect2 rb_rect;
+ rb_rect.size = style->get_minimum_size() + rb->get_size();
+ rb_rect.position.x = p_x;
+ rb_rect.position.y = p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (rb_rect.size.y)) / 2;
+
+ if (rb_hover == p_index) {
+ if (rb_pressing) {
+ get_theme_stylebox(SNAME("button_pressed"))->draw(ci, rb_rect);
} else {
- buttons_visible = false;
+ style->draw(ci, rb_rect);
}
- } break;
+ }
+
+ rb->draw(ci, Point2i(p_x + style->get_margin(SIDE_LEFT), rb_rect.position.y + style->get_margin(SIDE_TOP)));
+ p_x += rb->get_width();
+ tabs.write[p_index].rb_rect = rb_rect;
+ }
+
+ if (cb_displaypolicy == CLOSE_BUTTON_SHOW_ALWAYS || (cb_displaypolicy == CLOSE_BUTTON_SHOW_ACTIVE_ONLY && p_index == current)) {
+ Ref<StyleBox> style = get_theme_stylebox(SNAME("close_bg_highlight"));
+ Ref<Texture2D> cb = get_theme_icon(SNAME("close"));
+
+ p_x += get_theme_constant(SNAME("hseparation"));
+
+ Rect2 cb_rect;
+ cb_rect.size = style->get_minimum_size() + cb->get_size();
+ cb_rect.position.x = p_x;
+ cb_rect.position.y = p_tab_style->get_margin(SIDE_TOP) + ((sb_rect.size.y - sb_ms.y) - (cb_rect.size.y)) / 2;
+
+ if (!tab.disabled && cb_hover == p_index) {
+ if (cb_pressing) {
+ get_theme_stylebox(SNAME("close_bg_pressed"))->draw(ci, cb_rect);
+ } else {
+ style->draw(ci, cb_rect);
+ }
+ }
+
+ cb->draw(ci, Point2i(p_x + style->get_margin(SIDE_LEFT), cb_rect.position.y + style->get_margin(SIDE_TOP)));
+ p_x += cb->get_width();
+ tabs.write[p_index].cb_rect = cb_rect;
}
}
void TabBar::set_tab_count(int p_count) {
ERR_FAIL_COND(p_count < 0);
tabs.resize(p_count);
+ _update_cache();
update();
notify_property_list_changed();
}
@@ -560,6 +516,7 @@ void TabBar::set_tab_title(int p_tab, const String &p_title) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs.write[p_tab].text = p_title;
_shape(p_tab);
+ _update_cache();
update();
update_minimum_size();
}
@@ -588,6 +545,7 @@ void TabBar::clear_tab_opentype_features(int p_tab) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs.write[p_tab].opentype_features.clear();
_shape(p_tab);
+ _update_cache();
update();
}
@@ -597,6 +555,7 @@ void TabBar::set_tab_opentype_feature(int p_tab, const String &p_name, int p_val
if (!tabs[p_tab].opentype_features.has(tag) || (int)tabs[p_tab].opentype_features[tag] != p_value) {
tabs.write[p_tab].opentype_features[tag] = p_value;
_shape(p_tab);
+ _update_cache();
update();
}
}
@@ -627,6 +586,7 @@ String TabBar::get_tab_language(int p_tab) const {
void TabBar::set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon) {
ERR_FAIL_INDEX(p_tab, tabs.size());
tabs.write[p_tab].icon = p_icon;
+ _update_cache();
update();
update_minimum_size();
}
@@ -698,33 +658,43 @@ void TabBar::_update_hover() {
}
void TabBar::_update_cache() {
+ if (tabs.is_empty()) {
+ return;
+ }
+
Ref<StyleBox> tab_disabled = get_theme_stylebox(SNAME("tab_disabled"));
Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected"));
Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected"));
Ref<Texture2D> incr = get_theme_icon(SNAME("increment"));
Ref<Texture2D> decr = get_theme_icon(SNAME("decrement"));
- int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
+
+ int limit = get_size().width;
+ int limit_minus_buttons = limit - incr->get_width() - decr->get_width();
int w = 0;
int mw = 0;
int size_fixed = 0;
int count_resize = 0;
+
for (int i = 0; i < tabs.size(); i++) {
- tabs.write[i].ofs_cache = mw;
+ tabs.write[i].ofs_cache = 0;
tabs.write[i].size_cache = get_tab_width(i);
tabs.write[i].size_text = Math::ceil(tabs[i].text_buf->get_size().x);
tabs.write[i].text_buf->set_width(-1);
mw += tabs[i].size_cache;
+
if (tabs[i].size_cache <= min_width || i == current) {
size_fixed += tabs[i].size_cache;
} else {
count_resize++;
}
}
+
int m_width = min_width;
if (count_resize > 0) {
m_width = MAX((limit_minus_buttons - size_fixed) / count_resize, min_width);
}
+
for (int i = offset; i < tabs.size(); i++) {
Ref<StyleBox> sb;
if (tabs[i].disabled) {
@@ -734,11 +704,13 @@ void TabBar::_update_cache() {
} else {
sb = tab_unselected;
}
+
int lsize = tabs[i].size_cache;
int slen = tabs[i].size_text;
if (min_width > 0 && mw > limit_minus_buttons && i != current) {
if (lsize > m_width) {
slen = m_width - (sb->get_margin(SIDE_LEFT) + sb->get_margin(SIDE_RIGHT));
+
if (tabs[i].icon.is_valid()) {
slen -= tabs[i].icon->get_width();
slen -= get_theme_constant(SNAME("hseparation"));
@@ -748,15 +720,52 @@ void TabBar::_update_cache() {
slen -= cb->get_width();
slen -= get_theme_constant(SNAME("hseparation"));
}
+
slen = MAX(slen, 1);
lsize = m_width;
}
}
+
tabs.write[i].ofs_cache = w;
tabs.write[i].size_cache = lsize;
tabs.write[i].size_text = slen;
tabs.write[i].text_buf->set_width(slen);
+
w += lsize;
+ max_drawn_tab = i;
+
+ // Check if all tabs would fit inside the area.
+ if (i > offset && (w > limit || (offset > 0 && w > limit_minus_buttons))) {
+ w -= get_tab_width(i);
+ max_drawn_tab -= 1;
+
+ while (w > limit_minus_buttons && max_drawn_tab > offset) {
+ w -= get_tab_width(max_drawn_tab);
+ max_drawn_tab -= 1;
+ }
+
+ break;
+ }
+ }
+
+ missing_right = max_drawn_tab < tabs.size() - 1;
+ buttons_visible = offset > 0 || missing_right;
+
+ if (tab_alignment == ALIGNMENT_LEFT) {
+ return;
+ } else if (tab_alignment == ALIGNMENT_CENTER) {
+ w = ((buttons_visible ? limit_minus_buttons : limit) - w) / 2;
+ } else if (tab_alignment == ALIGNMENT_RIGHT) {
+ w = (buttons_visible ? limit_minus_buttons : limit) - w;
+ }
+
+ if (w < 0) {
+ w = 0;
+ }
+
+ for (int i = offset; i <= max_drawn_tab; i++) {
+ tabs.write[i].ofs_cache = w;
+ w += tabs.write[i].size_cache;
}
}
@@ -916,10 +925,10 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) {
set_current_tab(hover_now);
emit_signal(SNAME("tab_changed"), hover_now);
_update_cache();
+ update();
}
}
}
- update();
}
int TabBar::get_tab_idx_at_point(const Point2 &p_point) const {
@@ -937,6 +946,7 @@ int TabBar::get_tab_idx_at_point(const Point2 &p_point) const {
void TabBar::set_tab_alignment(AlignmentMode p_alignment) {
ERR_FAIL_INDEX(p_alignment, ALIGNMENT_MAX);
tab_alignment = p_alignment;
+ _update_cache();
update();
}
@@ -949,6 +959,7 @@ void TabBar::set_clip_tabs(bool p_clip_tabs) {
return;
}
clip_tabs = p_clip_tabs;
+ _update_cache();
update();
update_minimum_size();
}
@@ -1017,64 +1028,73 @@ int TabBar::get_tab_width(int p_idx) const {
}
void TabBar::_ensure_no_over_offset() {
- if (!is_inside_tree()) {
+ if (!is_inside_tree() || !buttons_visible) {
return;
}
Ref<Texture2D> incr = get_theme_icon(SNAME("increment"));
Ref<Texture2D> decr = get_theme_icon(SNAME("decrement"));
-
- int limit = get_size().width;
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
+ int prev_offset = offset;
+
+ int total_w = tabs[max_drawn_tab].ofs_cache + tabs[max_drawn_tab].size_cache - tabs[offset].ofs_cache;
while (offset > 0) {
- int total_w = 0;
- for (int i = offset - 1; i < tabs.size(); i++) {
- total_w += tabs[i].size_cache;
- }
+ total_w += tabs[offset - 1].size_cache;
- if ((buttons_visible && total_w < limit_minus_buttons) || total_w < limit) { // For the last tab, we accept if the tab covers the buttons.
+ if (total_w < limit_minus_buttons) {
offset--;
- update();
} else {
break;
}
}
-}
-void TabBar::ensure_tab_visible(int p_idx) {
- if (!is_inside_tree()) {
- return;
+ if (prev_offset != offset) {
+ _update_cache();
+ update();
}
+}
- if (tabs.size() == 0) {
+void TabBar::ensure_tab_visible(int p_idx) {
+ if (!is_inside_tree() || !buttons_visible) {
return;
}
ERR_FAIL_INDEX(p_idx, tabs.size());
- if (p_idx == offset) {
+ if (p_idx >= offset && p_idx <= max_drawn_tab) {
return;
}
+
if (p_idx < offset) {
offset = p_idx;
+ _update_cache();
update();
+
return;
}
- int prev_offset = offset;
Ref<Texture2D> incr = get_theme_icon(SNAME("increment"));
Ref<Texture2D> decr = get_theme_icon(SNAME("decrement"));
- int limit = get_size().width;
int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width();
- for (int i = offset; i <= p_idx; i++) {
- int total_w = tabs[i].ofs_cache + tabs[i].size_cache;
- if (total_w > limit || (buttons_visible && total_w > limit_minus_buttons)) {
+ int total_w = tabs[max_drawn_tab].ofs_cache - tabs[offset].ofs_cache;
+ for (int i = max_drawn_tab; i <= p_idx; i++) {
+ total_w += tabs[i].size_cache;
+ }
+
+ int prev_offset = offset;
+
+ for (int i = offset; i < p_idx; i++) {
+ if (total_w > limit_minus_buttons) {
+ total_w -= tabs[i].size_cache;
offset++;
+ } else {
+ break;
}
}
if (prev_offset != offset) {
+ _update_cache();
update();
}
}
@@ -1091,6 +1111,7 @@ Rect2 TabBar::get_tab_rect(int p_tab) const {
void TabBar::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) {
ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX);
cb_displaypolicy = p_policy;
+ _update_cache();
update();
}
diff --git a/scene/gui/tab_bar.h b/scene/gui/tab_bar.h
index 1741481b40..d0055ae4d2 100644
--- a/scene/gui/tab_bar.h
+++ b/scene/gui/tab_bar.h
@@ -113,6 +113,7 @@ private:
void _on_mouse_exited();
void _shape(int p_tab);
+ void _draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_index, float p_x);
protected:
virtual void gui_input(const Ref<InputEvent> &p_event) override;
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 8df77daafb..17f2ed1db5 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -1244,7 +1244,7 @@ void TextEdit::_notification(int p_what) {
}
// Carets.
- int caret_width = Math::round(1 * get_theme_default_base_scale());
+ const int caret_width = get_theme_constant(SNAME("caret_width")) * get_theme_default_base_scale();
if (!clipped && caret.line == line && line_wrap_index == caret_wrap_index) {
caret.draw_pos.y = ofs_y + ldata->get_line_descent(line_wrap_index);
diff --git a/scene/gui/view_panner.cpp b/scene/gui/view_panner.cpp
new file mode 100644
index 0000000000..ba5e8d4a17
--- /dev/null
+++ b/scene/gui/view_panner.cpp
@@ -0,0 +1,142 @@
+/*************************************************************************/
+/* view_panner.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "view_panner.h"
+
+#include "core/input/input.h"
+#include "core/os/keyboard.h"
+
+bool ViewPanner::gui_input(const Ref<InputEvent> &p_event, Rect2 p_canvas_rect) {
+ Ref<InputEventMouseButton> mb = p_event;
+ if (mb.is_valid()) {
+ // Alt modifier is unused, so ignore such events.
+ if (mb->is_alt_pressed()) {
+ return false;
+ }
+
+ Vector2i scroll_vec = Vector2((mb->get_button_index() == MouseButton::WHEEL_RIGHT) - (mb->get_button_index() == MouseButton::WHEEL_LEFT), (mb->get_button_index() == MouseButton::WHEEL_DOWN) - (mb->get_button_index() == MouseButton::WHEEL_UP));
+ if (scroll_vec != Vector2()) {
+ if (control_scheme == SCROLL_PANS) {
+ if (mb->is_ctrl_pressed()) {
+ scroll_vec.y *= mb->get_factor();
+ callback_helper(zoom_callback, scroll_vec, mb->get_position());
+ return true;
+ } else {
+ Vector2 panning;
+ if (mb->is_shift_pressed()) {
+ panning.x += mb->get_factor() * scroll_vec.y;
+ panning.y += mb->get_factor() * scroll_vec.x;
+ } else {
+ panning.y += mb->get_factor() * scroll_vec.y;
+ panning.x += mb->get_factor() * scroll_vec.x;
+ }
+ callback_helper(scroll_callback, panning);
+ return true;
+ }
+ } else {
+ if (mb->is_ctrl_pressed()) {
+ Vector2 panning;
+ if (mb->is_shift_pressed()) {
+ panning.x += mb->get_factor() * scroll_vec.y;
+ panning.y += mb->get_factor() * scroll_vec.x;
+ } else {
+ panning.y += mb->get_factor() * scroll_vec.y;
+ panning.x += mb->get_factor() * scroll_vec.x;
+ }
+ callback_helper(scroll_callback, panning);
+ return true;
+ } else if (!mb->is_shift_pressed()) {
+ scroll_vec.y *= mb->get_factor();
+ callback_helper(zoom_callback, scroll_vec, mb->get_position());
+ return true;
+ }
+ }
+ }
+
+ if (mb->get_button_index() == MouseButton::MIDDLE || (mb->get_button_index() == MouseButton::RIGHT && !disable_rmb) || (mb->get_button_index() == MouseButton::LEFT && (Input::get_singleton()->is_key_pressed(Key::SPACE) || (is_dragging && !mb->is_pressed())))) {
+ if (mb->is_pressed()) {
+ is_dragging = true;
+ } else {
+ is_dragging = false;
+ }
+ return true;
+ }
+ }
+
+ Ref<InputEventMouseMotion> mm = p_event;
+ if (mm.is_valid()) {
+ if (is_dragging) {
+ if (p_canvas_rect != Rect2()) {
+ callback_helper(pan_callback, Input::get_singleton()->warp_mouse_motion(mm, p_canvas_rect));
+ } else {
+ callback_helper(pan_callback, mm->get_relative());
+ }
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void ViewPanner::callback_helper(Callable p_callback, Vector2 p_arg1, Vector2 p_arg2) {
+ if (p_callback == zoom_callback) {
+ const Variant **argptr = (const Variant **)alloca(sizeof(Variant *) * 2);
+ Variant var1 = p_arg1;
+ argptr[0] = &var1;
+ Variant var2 = p_arg2;
+ argptr[1] = &var2;
+
+ Variant result;
+ Callable::CallError ce;
+ p_callback.call(argptr, 2, result, ce);
+ } else {
+ const Variant **argptr = (const Variant **)alloca(sizeof(Variant *));
+ Variant var = p_arg1;
+ argptr[0] = &var;
+
+ Variant result;
+ Callable::CallError ce;
+ p_callback.call(argptr, 1, result, ce);
+ }
+}
+
+void ViewPanner::set_callbacks(Callable p_scroll_callback, Callable p_pan_callback, Callable p_zoom_callback) {
+ scroll_callback = p_scroll_callback;
+ pan_callback = p_pan_callback;
+ zoom_callback = p_zoom_callback;
+}
+
+void ViewPanner::set_control_scheme(ControlScheme p_scheme) {
+ control_scheme = p_scheme;
+}
+
+void ViewPanner::set_disable_rmb(bool p_disable) {
+ disable_rmb = p_disable;
+}
diff --git a/scene/gui/view_panner.h b/scene/gui/view_panner.h
new file mode 100644
index 0000000000..0a92cb3dfd
--- /dev/null
+++ b/scene/gui/view_panner.h
@@ -0,0 +1,68 @@
+/*************************************************************************/
+/* view_panner.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef VIEW_PANNER_H
+#define VIEW_PANNER_H
+
+#include "core/object/ref_counted.h"
+
+class InputEvent;
+
+class ViewPanner : public RefCounted {
+ GDCLASS(ViewPanner, RefCounted);
+
+public:
+ enum ControlScheme {
+ SCROLL_ZOOMS,
+ SCROLL_PANS,
+ };
+
+private:
+ bool is_dragging = false;
+ bool disable_rmb = false;
+
+ Callable scroll_callback;
+ Callable pan_callback;
+ Callable zoom_callback;
+
+ void callback_helper(Callable p_callback, Vector2 p_arg1, Vector2 p_arg2 = Vector2());
+ ControlScheme control_scheme = SCROLL_ZOOMS;
+
+public:
+ void set_callbacks(Callable p_scroll_callback, Callable p_pan_callback, Callable p_zoom_callback);
+ void set_control_scheme(ControlScheme p_scheme);
+ void set_disable_rmb(bool p_disable);
+
+ bool is_panning() const { return is_dragging; }
+
+ bool gui_input(const Ref<InputEvent> &p_ev, Rect2 p_canvas_rect = Rect2());
+};
+
+#endif // VIEW_PANNER_H
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