raven/example/main.c

#include "pango/pango-font.h"
#define RAVEN_IMPLEMENTATION
#include "libraven.h"

typedef struct AppState {
    PangoFontDescription *desc;
    PangoFontDescription *bold_desc;
} AppState;

UINode *main_view_scaffold(UINode *root, AppState *state)
{
    {
        background_node_new(root, UISlate50, 0);
        UIBoxLayoutNode *layout = box_layout_new(root, UI_DIRECTION_VERTICAL);
        box_layout_set_margins(layout, 36);
        layout->gap = 26;
    }

    {
        UINode *input_container;

        {
            input_container = node_new(root, "input_container");
            input_container->width_policy = UI_SIZE_POLICY_GROW;
            UIBoxLayoutNode *layout = box_layout_new(input_container, UI_DIRECTION_HORIZONTAL);
            layout->gap = 8;
            layout->justify_secondary = UI_BOX_LAYOUT_JUSTIFY_CENTER;
        }

        {
            UINode *input = (UINode*)text_input_new(input_container);
            background_node_new(input, UISlate100, 10);
            input->width_policy = UI_SIZE_POLICY_GROW;
            input->height_policy = UI_SIZE_POLICY_STATIC;
            input->rect.h = 42;

            UIBoxLayoutNode *layout = box_layout_new(input, UI_DIRECTION_HORIZONTAL);
            layout->justify_secondary = UI_BOX_LAYOUT_JUSTIFY_CENTER;
            layout->margin_left = 6;

            UINode *input_text_container = node_new(input, "input_text_container");
            UITextNode *input_text = text_node_new(input_text_container, state->desc, UINeutral950, NULL);
            ((UITextInputNode*)input)->text_node = input_text;
        }

        {
            UINode *add_button = node_new(input_container, "button");
            add_button->width_policy = UI_SIZE_POLICY_STATIC;
            add_button->height_policy = UI_SIZE_POLICY_GROW;
            add_button->rect.w = 42;
            state_background_node_new(add_button, UIIndigo500, UIIndigo600, UIIndigo700, 8.0);
            UIBoxLayoutNode *layout = box_layout_new(add_button, UI_DIRECTION_HORIZONTAL);
            layout->justify_secondary = UI_BOX_LAYOUT_JUSTIFY_CENTER;
            box_layout_set_margins(layout, 8);
            UINode *text_container = node_new(add_button, "text_container");
            text_node_new(text_container, state->desc, UINeutral50, "+");
        }
    }

    {
        UINode *item = node_new(root, "item");
        item->width_policy = UI_SIZE_POLICY_GROW;
        box_layout_new(item, UI_DIRECTION_HORIZONTAL)->justify_secondary = UI_BOX_LAYOUT_JUSTIFY_CENTER;
        UINode *item_text_container = node_new(item, "item_text_container");
        text_node_new(item_text_container, state->bold_desc, UINeutral950, "Test");
        UINode *separator = node_new(item, "separator");
        separator->width_policy = UI_SIZE_POLICY_GROW;
        UINode *remove_button = node_new(item, "remove_button");
        text_node_new(remove_button, state->desc, UINeutral700, "remove");
    }
    
    return root;
}

int main(void)
{
    UIWindow *window = window_new(800, 600);
    if (!window) {
        fprintf(stderr, "err: failed to create window\n");
        return EXIT_FAILURE;
    }

    AppState state = {
        .desc = pango_font_description_from_string("Roboto 12"),
        .bold_desc = pango_font_description_from_string("Roboto Demi-Bold 12")
    };

    UINode *root = node_new(NULL, "[root]");
    window_attach_root(window, root);
    main_view_scaffold(root, &state);

    window_turn(window);
    window_free(window);

    return 0;
}