Scale files and images to the available space

This commit is contained in:
Marvin W 2020-03-14 00:24:41 +01:00
parent 25751c88ce
commit d55f6691c6
No known key found for this signature in database
GPG key ID: 072E9235DB996F2A
6 changed files with 146 additions and 18 deletions

View file

@ -156,6 +156,8 @@ SOURCES
src/ui/util/data_forms.vala
src/ui/util/helper.vala
src/ui/util/label_hybrid.vala
src/ui/util/sizing_bin.vala
src/ui/util/scaling_image.vala
src/ui/util/preview_file_chooser_native.vala
CUSTOM_VAPIS
${CMAKE_BINARY_DIR}/exports/xmpp-vala.vapi

View file

@ -52,14 +52,14 @@ window.dino-main .dino-sidebar > frame {
transition: background .05s ease;
}
.file-box-outer {
window.dino-main .dino-conversation .file-box-outer {
background: @theme_base_color;
border-radius: 3px;
border: 1px solid alpha(@theme_fg_color, 0.1);
}
.file-box {
margin: 12px;
window.dino-main .dino-conversation .file-box {
margin: 12px 16px 12px 12px;
}
window.dino-main .dino-sidebar > frame.collapsed {

View file

@ -40,7 +40,7 @@ public interface WidgetGenerator : Object {
public class MessageItemWidgetGenerator : WidgetGenerator, Object {
public string handles_type { get; set; default=FileItem.TYPE; }
public string handles_type { get; set; default=MessageItem.TYPE; }
private StreamInteractor stream_interactor;

View file

@ -38,6 +38,11 @@ public class FileWidget : Box {
this.file_transfer = file_transfer;
load_widget.begin();
size_allocate.connect((allocation) => {
if (allocation.height > parent.get_allocated_height()) {
Idle.add(() => { parent.queue_resize(); return false; });
}
});
}
private async void load_widget() {
@ -57,7 +62,7 @@ public class FileWidget : Box {
private async Widget? get_image_widget(FileTransfer file_transfer) {
// Load and prepare image in tread
Thread<Image?> thread = new Thread<Image?> (null, () => {
Image image = new Image() { halign=Align.START, visible = true };
ScalingImage image = new ScalingImage() { halign=Align.START, visible = true, max_width = MAX_WIDTH, max_height = MAX_HEIGHT };
Gdk.Pixbuf pixbuf;
try {
@ -70,16 +75,7 @@ public class FileWidget : Box {
pixbuf = pixbuf.apply_embedded_orientation();
int max_scaled_height = MAX_HEIGHT * image.scale_factor;
if (pixbuf.height > max_scaled_height) {
pixbuf = pixbuf.scale_simple((int) ((double) max_scaled_height / pixbuf.height * pixbuf.width), max_scaled_height, Gdk.InterpType.BILINEAR);
}
int max_scaled_width = MAX_WIDTH * image.scale_factor;
if (pixbuf.width > max_scaled_width) {
pixbuf = pixbuf.scale_simple(max_scaled_width, (int) ((double) max_scaled_width / pixbuf.width * pixbuf.height), Gdk.InterpType.BILINEAR);
}
pixbuf = crop_corners(pixbuf, 3 * image.get_scale_factor());
Util.image_set_from_scaled_pixbuf(image, pixbuf);
image.load(pixbuf);
Idle.add(get_image_widget.callback);
return image;
@ -166,7 +162,7 @@ public class FileWidget : Box {
main_box.add(stack_event_box);
Box right_box = new Box(Orientation.VERTICAL, 0) { hexpand=true, visible=true };
Label name_label = new Label(file_transfer.file_name) { ellipsize=EllipsizeMode.MIDDLE, max_width_chars=1, hexpand=true, xalign=0, yalign=0, visible=true};
Label name_label = new Label(file_transfer.file_name) { ellipsize=EllipsizeMode.MIDDLE, xalign=0, yalign=0, visible=true};
right_box.add(name_label);
EventBox mime_label_event_box = new EventBox() { visible=true };
@ -178,9 +174,13 @@ public class FileWidget : Box {
right_box.add(mime_label_event_box);
main_box.add(right_box);
EventBox event_box = new EventBox() { margin_top=5, width_request=500, halign=Align.START, visible=true };
SizingBin bin = new SizingBin() { visible=true, hexpand=true, max_width=500, target_width=500 };
bin.add(main_box);
EventBox event_box = new EventBox() { margin_top=5, halign=Align.START, visible=true };
event_box.get_style_context().add_class("file-box-outer");
event_box.add(main_box);
event_box.add(bin);
main_box.get_style_context().add_class("file-box");
event_box.enter_notify_event.connect((event) => {

View file

@ -0,0 +1,91 @@
using Gdk;
using Gtk;
namespace Dino.Ui {
class ScalingImage : Image {
public int min_width { get; set; default = -1; }
public int target_width { get; set; default = -1; }
public int max_width { get; set; default = -1; }
public int min_height { get; set; default = -1; }
public int max_height { get; set; default = -1; }
private Pixbuf image;
private double image_ratio;
private int image_height = 0;
private int image_width = 0;
private int last_allocation_height = -1;
private int last_allocation_width = -1;
private int last_scale_factor = -1;
public void load(Pixbuf image) {
this.image = image;
this.image_ratio = ((double)image.height) / ((double)image.width);
this.image_height = image.height;
this.image_width = image.width;
queue_resize();
}
public override void size_allocate(Allocation allocation) {
if (max_width != -1) allocation.width = int.min(allocation.width, max_width);
if (max_height != -1) allocation.height = int.min(allocation.height, max_height);
allocation.height = int.min(allocation.height, (int)(allocation.width * image_ratio));
allocation.width = int.min(allocation.width, (int)(allocation.height / image_ratio));
base.size_allocate(allocation);
if (last_allocation_height != allocation.height || last_allocation_width != allocation.width || last_scale_factor != scale_factor) {
last_allocation_height = allocation.height;
last_allocation_width = allocation.width;
last_scale_factor = scale_factor;
Pixbuf scaled = image.scale_simple(allocation.width * scale_factor, allocation.height * scale_factor, Gdk.InterpType.BILINEAR);
scaled = crop_corners(scaled, 3 * scale_factor);
Util.image_set_from_scaled_pixbuf(this, scaled);
}
}
private static Gdk.Pixbuf crop_corners(Gdk.Pixbuf pixbuf, double radius = 3) {
Cairo.Context ctx = new Cairo.Context(new Cairo.ImageSurface(Cairo.Format.ARGB32, pixbuf.width, pixbuf.height));
Gdk.cairo_set_source_pixbuf(ctx, pixbuf, 0, 0);
double degrees = Math.PI / 180.0;
ctx.new_sub_path();
ctx.arc(pixbuf.width - radius, radius, radius, -90 * degrees, 0 * degrees);
ctx.arc(pixbuf.width - radius, pixbuf.height - radius, radius, 0 * degrees, 90 * degrees);
ctx.arc(radius, pixbuf.height - radius, radius, 90 * degrees, 180 * degrees);
ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
ctx.close_path();
ctx.clip();
ctx.paint();
return Gdk.pixbuf_get_from_surface(ctx.get_target(), 0, 0, pixbuf.width, pixbuf.height);
}
public override void get_preferred_width(out int minimum_width, out int natural_width) {
minimum_width = int.max(0, min_width);
natural_width = target_width != -1 ? target_width : (image_width / scale_factor);
natural_width = int.min(natural_width, max_width);
if (natural_width * image_ratio > max_height) {
natural_width = (int) (max_height / image_ratio);
}
}
public override void get_preferred_height(out int minimum_height, out int natural_height) {
minimum_height = int.max(0, min_height);
natural_height = (int) (target_width != -1 ? target_width * image_ratio : image_width / scale_factor);
natural_height = int.min(natural_height, max_height);
if (natural_height / image_ratio > max_width) {
natural_height = (int) (max_width * image_ratio);
}
}
public override void get_preferred_height_for_width(int width, out int minimum_height, out int natural_height) {
natural_height = (int) (width * image_ratio);
minimum_height = min_height != -1 ? int.min(min_height, natural_height) : natural_height;
}
public override void get_preferred_width_for_height(int height, out int minimum_width, out int natural_width) {
natural_width = (int) (height / image_ratio);
minimum_width = min_width != -1 ? int.min(min_width, natural_width) : natural_width;
}
public override SizeRequestMode get_request_mode() {
return SizeRequestMode.HEIGHT_FOR_WIDTH;
}
}
}

View file

@ -0,0 +1,35 @@
using Gtk;
namespace Dino.Ui {
class SizingBin : Bin {
public int min_width { get; set; default = -1; }
public int target_width { get; set; default = -1; }
public int max_width { get; set; default = -1; }
public int min_height { get; set; default = -1; }
public int target_height { get; set; default = -1; }
public int max_height { get; set; default = -1; }
public override void size_allocate(Allocation allocation) {
if (max_height != -1) allocation.height = int.min(allocation.height, max_height);
if (max_width != -1) allocation.width = int.min(allocation.width, max_width);
base.size_allocate(allocation);
}
public override void get_preferred_width(out int minimum_width, out int natural_width) {
base.get_preferred_width(out minimum_width, out natural_width);
if (min_width != -1) minimum_width = int.max(minimum_width, min_width);
if (max_width != -1) natural_width = int.min(natural_width, max_width);
if (target_width != -1) natural_width = int.max(natural_width, target_width);
natural_width = int.max(natural_width, minimum_width);
}
public override void get_preferred_height_for_width(int width, out int minimum_height, out int natural_height) {
base.get_preferred_height_for_width(width, out minimum_height, out natural_height);
if (min_height != -1) minimum_height = int.max(minimum_height, min_height);
if (max_height != -1) natural_height = int.min(natural_height, max_height);
if (target_height != -1) natural_height = int.max(natural_height, target_height);
natural_height = int.max(natural_height, minimum_height);
}
}
}