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authorfiaxh <git@mx.ax.lt>2017-08-16 22:44:12 +0200
committerfiaxh <git@mx.ax.lt>2017-08-17 01:37:20 +0200
commit500adea6dca162a4d0fe602eefa6b9095862dd13 (patch)
tree162c4db59901d1e9f9815b23a98d3121118b6295 /main/src
parentbff6885a6bb1a5a73d4c0b55294932231f242760 (diff)
downloaddino-500adea6dca162a4d0fe602eefa6b9095862dd13.tar.gz
dino-500adea6dca162a4d0fe602eefa6b9095862dd13.zip
Undo/redo text in chat input
Diffstat (limited to 'main/src')
-rw-r--r--main/src/ui/chat_input/edit_history.vala77
-rw-r--r--main/src/ui/chat_input/view.vala6
2 files changed, 82 insertions, 1 deletions
diff --git a/main/src/ui/chat_input/edit_history.vala b/main/src/ui/chat_input/edit_history.vala
new file mode 100644
index 00000000..78a0f41e
--- /dev/null
+++ b/main/src/ui/chat_input/edit_history.vala
@@ -0,0 +1,77 @@
+using Gdk;
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ChatInput {
+
+class EditHistory {
+
+ private StreamInteractor stream_interactor;
+ private Conversation? conversation;
+ private TextView text_input;
+
+ private HashMap<Conversation, Gee.List<string>> histories = new HashMap<Conversation, Gee.List<string>>(Conversation.hash_func, Conversation.equals_func);
+ private HashMap<Conversation, int> indices = new HashMap<Conversation, int>(Conversation.hash_func, Conversation.equals_func);
+
+ public EditHistory(TextView text_input, GLib.Application application) {
+ this.stream_interactor = stream_interactor;
+ this.text_input = text_input;
+
+ text_input.key_press_event.connect(on_text_input_key_press);
+ }
+
+ public void initialize_for_conversation(Conversation conversation) {
+ this.conversation = conversation;
+ if (!histories.has_key(conversation)) {
+ reset_history();
+ }
+ }
+
+ public bool on_text_input_key_press(EventKey event) {
+ if ((event.state & ModifierType.CONTROL_MASK) > 0) {
+ if (event.keyval == Key.z) {
+ undo();
+ } else if (event.keyval == Key.Z) {
+ redo();
+ }
+ } else if (event.keyval in new uint[]{ Key.space, Key.Tab, Key.ISO_Left_Tab }) {
+ if (indices[conversation] < histories[conversation].size - 1) {
+ histories[conversation] = histories[conversation].slice(0, indices[conversation] + 1);
+ }
+ save_state();
+ }
+ return false;
+ }
+
+ private void undo() {
+ if (histories[conversation][indices[conversation]] != text_input.buffer.text) {
+ save_state();
+ }
+ if (indices[conversation] > 0) {
+ indices[conversation] = indices[conversation] - 1;
+ text_input.buffer.text = histories[conversation][indices[conversation]];
+ }
+ }
+
+ private void redo() {
+ if (indices[conversation] < histories[conversation].size - 1) {
+ indices[conversation] = indices[conversation] + 1;
+ text_input.buffer.text = histories[conversation][indices[conversation]];
+ }
+ }
+
+ private void save_state() {
+ histories[conversation].add(text_input.buffer.text);
+ indices[conversation] = indices[conversation] + 1;
+ }
+
+ public void reset_history() {
+ histories[conversation] = new ArrayList<string>();
+ histories[conversation].add("");
+ indices[conversation] = 0;
+ }
+}
+
+}
diff --git a/main/src/ui/chat_input/view.vala b/main/src/ui/chat_input/view.vala
index 0887de25..d8a31a22 100644
--- a/main/src/ui/chat_input/view.vala
+++ b/main/src/ui/chat_input/view.vala
@@ -19,11 +19,13 @@ public class View : Box {
private int vscrollbar_min_height;
private OccupantsTabCompletor occupants_tab_completor;
private SmileyConverter smiley_converter;
+ private EditHistory edit_history;
public View(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
occupants_tab_completor = new OccupantsTabCompletor(stream_interactor, text_input);
smiley_converter = new SmileyConverter(stream_interactor, text_input);
+ edit_history = new EditHistory(text_input, GLib.Application.get_default());
scrolled.get_vscrollbar().get_preferred_height(out vscrollbar_min_height, null);
scrolled.vadjustment.notify["upper"].connect_after(on_upper_notify);
@@ -33,6 +35,7 @@ public class View : Box {
public void initialize_for_conversation(Conversation conversation) {
occupants_tab_completor.initialize_for_conversation(conversation);
+ edit_history.initialize_for_conversation(conversation);
if (this.conversation != null) entry_cache[this.conversation] = text_input.buffer.text;
this.conversation = conversation;
@@ -81,6 +84,7 @@ public class View : Box {
text_input.buffer.insert_at_cursor("\n", 1);
} else if (text_input.buffer.text != ""){
send_text();
+ edit_history.reset_history();
}
return true;
}
@@ -103,4 +107,4 @@ public class View : Box {
}
}
-} \ No newline at end of file
+}