ui/cocoa/label.m

changeset 109
c3dfcb8f0be7
child 112
c3f2f16fa4b8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/cocoa/label.m	Sun Aug 24 15:24:16 2025 +0200
@@ -0,0 +1,104 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2025 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "label.h"
+#import "container.h"
+
+#import <string.h>
+
+static UIWIDGET create_label(UiObject *obj, UiLabelArgs *args) {
+    NSTextField *label = [[NSTextField alloc] init];
+    label.editable = NO;
+    label.bezeled = NO;
+    label.drawsBackground = NO;
+    label.selectable = NO;
+    
+    NSTextAlignment alignment;
+    switch(args->align) {
+        case UI_ALIGN_LEFT: alignment = NSTextAlignmentLeft; break;
+        case UI_ALIGN_RIGHT: alignment = NSTextAlignmentRight; break;
+        default: alignment = NSTextAlignmentCenter;
+    }
+    label.alignment = alignment;
+    
+    if(args->label) {
+        NSString *str = [[NSString alloc] initWithUTF8String:args->label];
+        label.stringValue = str;
+    }
+    
+    UiLayout layout = UI_INIT_LAYOUT(args);
+    ui_container_add(obj, label, &layout);
+    
+    UiVar *var = uic_widget_var(obj->ctx, obj->ctx, args->value, args->varname, UI_VAR_STRING);
+    if(var) {
+        UiString *s = var->value;
+        s->obj = (__bridge void*)label;
+        s->get = ui_label_get;
+        s->set = ui_label_set;
+        
+        if(s->value.ptr) {
+            label.stringValue = [[NSString alloc]initWithUTF8String:s->value.ptr];
+        }
+    }
+    
+    return (__bridge void*)label;
+}
+
+
+UIWIDGET ui_label_create(UiObject* obj, UiLabelArgs *args) {
+    return create_label(obj, args);
+}
+
+UIWIDGET ui_llabel_create(UiObject* obj, UiLabelArgs *args) {
+    args->align = UI_ALIGN_LEFT;
+    return create_label(obj, args);
+}
+
+UIWIDGET ui_rlabel_create(UiObject* obj, UiLabelArgs *args) {
+    args->align = UI_ALIGN_RIGHT;
+    return create_label(obj, args);
+}
+
+
+char* ui_label_get(UiString *s) {
+    NSTextField *label = (__bridge NSTextField*)s->obj;
+    if(s->value.free) {
+        s->value.free(s->value.ptr);
+    }
+    s->value.ptr = strdup(label.stringValue.UTF8String);
+    return s->value.ptr;
+}
+
+void ui_label_set(UiString *s, const char *str) {
+    NSTextField *label = (__bridge NSTextField*)s->obj;
+    if(s->value.free) {
+        s->value.free(s->value.ptr);
+    }
+    s->value.ptr = NULL;
+    label.stringValue = [[NSString alloc] initWithUTF8String:str];
+}

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