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Minimap scroll now acts similar to scrollbar

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This commit is contained in:
Paulb23 2019-08-25 14:38:14 +01:00
parent ec4d2b26ec
commit c5b5c6b49b
2 changed files with 36 additions and 4 deletions
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34
scene/gui/text_edit.cpp
View file

@ -559,7 +559,7 @@ void TextEdit::_update_selection_mode_line() {
click_select_held->start();
}
void TextEdit::_update_minimap_scroll() {
void TextEdit::_update_minimap_click() {
Point2 mp = get_local_mouse_position();
int xmargin_end = get_size().width - cache.style_normal->get_margin(MARGIN_RIGHT);
@ -573,6 +573,13 @@ void TextEdit::_update_minimap_scroll() {
int row;
_get_minimap_mouse_row(Point2i(mp.x, mp.y), row);
if (row >= get_first_visible_line() && (row < get_last_visible_line() || row >= (text.size() - 1))) {
minimap_scroll_ratio = v_scroll->get_as_ratio();
minimap_scroll_click_pos = mp.y;
can_drag_minimap = true;
return;
}
int wi;
int first_line = row - num_lines_from_rows(row, 0, -get_visible_rows() / 2, wi) + 1;
double delta = get_scroll_pos_for_line(first_line, wi) - get_v_scroll();
@ -583,6 +590,23 @@ void TextEdit::_update_minimap_scroll() {
}
}
void TextEdit::_update_minimap_drag() {
if (!can_drag_minimap) {
return;
}
int control_height = get_size().height;
control_height -= cache.style_normal->get_minimum_size().height;
if (h_scroll->is_visible_in_tree()) {
control_height -= h_scroll->get_size().height;
}
Point2 mp = get_local_mouse_position();
double diff = (mp.y - minimap_scroll_click_pos) / control_height;
v_scroll->set_as_ratio(minimap_scroll_ratio + diff);
}
void TextEdit::_notification(int p_what) {
switch (p_what) {
@ -2239,7 +2263,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
// minimap
if (draw_minimap) {
_update_minimap_scroll();
_update_minimap_click();
if (dragging_minimap) {
return;
}
@ -2362,6 +2386,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
if (mb->get_button_index() == BUTTON_LEFT) {
dragging_minimap = false;
dragging_selection = false;
can_drag_minimap = false;
click_select_held->stop();
}
@ -2410,7 +2435,7 @@ void TextEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
_reset_caret_blink_timer();
if (draw_minimap && !dragging_selection) {
_update_minimap_scroll();
_update_minimap_drag();
}
if (!dragging_minimap) {
@ -7018,6 +7043,9 @@ TextEdit::TextEdit() {
scrolling = false;
minimap_clicked = false;
dragging_minimap = false;
can_drag_minimap = false;
minimap_scroll_ratio = 0;
minimap_scroll_click_pos = 0;
dragging_selection = false;
target_v_scroll = 0;
v_scroll_speed = 80;

6
scene/gui/text_edit.h
View file

@ -334,7 +334,10 @@ private:
bool scrolling;
bool dragging_selection;
bool dragging_minimap;
bool can_drag_minimap;
bool minimap_clicked;
double minimap_scroll_ratio;
double minimap_scroll_click_pos;
float target_v_scroll;
float v_scroll_speed;
@ -406,7 +409,8 @@ private:
void _update_selection_mode_word();
void _update_selection_mode_line();
void _update_minimap_scroll();
void _update_minimap_click();
void _update_minimap_drag();
void _scroll_up(real_t p_delta);
void _scroll_down(real_t p_delta);