67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
// Copyright 2015 The TCell Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use file except in compliance with the License.
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// You may obtain a copy of the license at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tcell
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import (
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"time"
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)
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// EventResize is sent when the window size changes.
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type EventResize struct {
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t time.Time
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ws WindowSize
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}
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// NewEventResize creates an EventResize with the new updated window size,
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// which is given in character cells.
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func NewEventResize(width, height int) *EventResize {
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ws := WindowSize{
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Width: width,
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Height: height,
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}
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return &EventResize{t: time.Now(), ws: ws}
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}
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// When returns the time when the Event was created.
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func (ev *EventResize) When() time.Time {
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return ev.t
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}
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// Size returns the new window size as width, height in character cells.
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func (ev *EventResize) Size() (int, int) {
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return ev.ws.Width, ev.ws.Height
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}
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// PixelSize returns the new window size as width, height in pixels. The size
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// will be 0,0 if the screen doesn't support this feature
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func (ev *EventResize) PixelSize() (int, int) {
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return ev.ws.PixelWidth, ev.ws.PixelHeight
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}
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type WindowSize struct {
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Width int
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Height int
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PixelWidth int
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PixelHeight int
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}
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// CellDimensions returns the dimensions of a single cell, in pixels
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func (ws WindowSize) CellDimensions() (int, int) {
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if ws.PixelWidth == 0 || ws.PixelHeight == 0 {
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return 0, 0
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}
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return (ws.PixelWidth / ws.Width), (ws.PixelHeight / ws.Height)
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}
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