hasufell/neovim-gtk
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Implement mouse drag support

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This commit is contained in:
daa84 2016-05-05 11:44:21 +03:00
parent 78caf6f340
commit b1d5e3a36d
1 changed files with 30 additions and 17 deletions
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35
src/ui.rs
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@ -12,7 +12,7 @@ use cairo::enums::{FontWeight, FontSlant};
use gtk; use gtk;
use gtk::prelude::*; use gtk::prelude::*;
use gtk::{Window, WindowType, DrawingArea, Grid, ToolButton, ButtonBox, Orientation, Image}; use gtk::{Window, WindowType, DrawingArea, Grid, ToolButton, ButtonBox, Orientation, Image};
use gdk::{Event, EventKey, EventConfigure, EventButton, EventMotion, EventType}; use gdk::{ModifierType, Event, EventKey, EventConfigure, EventButton, EventMotion, EventType};
use gdk_sys; use gdk_sys;
use glib; use glib;
use glib_sys; use glib_sys;
@ -58,6 +58,7 @@ pub struct Ui {
resize_timer: Option<u32>, resize_timer: Option<u32>,
mode: NvimMode, mode: NvimMode,
mouse_enabled: bool, mouse_enabled: bool,
mouse_pressed: bool,
} }
impl Ui { impl Ui {
@ -75,6 +76,7 @@ impl Ui {
resize_timer: None, resize_timer: None,
mode: NvimMode::Insert, mode: NvimMode::Insert,
mouse_enabled: false, mouse_enabled: false,
mouse_pressed: false,
} }
} }
@ -114,7 +116,10 @@ impl Ui {
grid.attach(&self.drawing_area, 0, 1, 1, 1); grid.attach(&self.drawing_area, 0, 1, 1, 1);
self.drawing_area.set_events(gdk_sys::GDK_BUTTON_PRESS_MASK.bits() as i32); self.drawing_area
.set_events((gdk_sys::GDK_BUTTON_RELEASE_MASK | gdk_sys::GDK_BUTTON_PRESS_MASK |
gdk_sys::GDK_BUTTON_MOTION_MASK)
.bits() as i32);
self.drawing_area.connect_button_press_event(gtk_button_press); self.drawing_area.connect_button_press_event(gtk_button_press);
self.drawing_area.connect_button_release_event(gtk_button_release); self.drawing_area.connect_button_release_event(gtk_button_release);
self.drawing_area.connect_motion_notify_event(gtk_motion_notify); self.drawing_area.connect_motion_notify_event(gtk_motion_notify);
@ -139,31 +144,39 @@ fn gtk_button_press(_: &DrawingArea, ev: &EventButton) -> Inhibit {
return; return;
} }
mouse_input(&mut *ui, "LeftMouse", ev.get_state(), ev.get_position());
});
Inhibit(false)
}
fn mouse_input(ui: &mut Ui, input: &str, state: ModifierType, position: (f64, f64)) {
if let Some(line_height) = ui.line_height { if let Some(line_height) = ui.line_height {
if let Some(char_width) = ui.char_width { if let Some(char_width) = ui.char_width {
ui.mouse_pressed = true;
let nvim = ui.nvim(); let nvim = ui.nvim();
let (x, y) = ev.get_position(); let (x, y) = position;
let col = (x / char_width).trunc() as u64; let col = (x / char_width).trunc() as u64;
let row = (y / line_height).trunc() as u64; let row = (y / line_height).trunc() as u64;
let input_str = format!("{}<{},{}>", keyval_to_input_string("LeftMouse", ev.get_state()), col ,row); let input_str = format!("{}<{},{}>", keyval_to_input_string(input, state), col, row);
nvim.input(&input_str).expect("Can't send mouse input event"); nvim.input(&input_str).expect("Can't send mouse input event");
} }
} }
});
Inhibit(false)
} }
fn gtk_button_release(_: &DrawingArea, _: &EventButton) -> Inhibit { fn gtk_button_release(_: &DrawingArea, _: &EventButton) -> Inhibit {
UI.with(|ui_cell| { UI.with(|ui_cell| ui_cell.borrow_mut().mouse_pressed = false);
let mut ui = ui_cell.borrow_mut();
});
Inhibit(false) Inhibit(false)
} }
fn gtk_motion_notify(_: &DrawingArea, _: &EventMotion) -> Inhibit { fn gtk_motion_notify(_: &DrawingArea, ev: &EventMotion) -> Inhibit {
UI.with(|ui_cell| { UI.with(|ui_cell| {
let mut ui = ui_cell.borrow_mut(); let mut ui = ui_cell.borrow_mut();
let nvim = ui.nvim(); if !ui.mouse_enabled || !ui.mouse_pressed {
return;
}
mouse_input(&mut *ui, "LeftDrag", ev.get_state(), ev.get_position());
}); });
Inhibit(false) Inhibit(false)
} }