255 lines
8.2 KiB
C
255 lines
8.2 KiB
C
#include <pgpl.h>
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void pgpl_gui_theme_configure(PGPL_GuiTheme *theme, PGPL_Color base_color,
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double content_font_size, PGPL_Font *font) {
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theme->background_color = pgpl_color_divide(base_color, 8);
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theme->widget_background_color[PGPL_GUI_STATUS_COLOR_NORMAL] =
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pgpl_color_divide(base_color, 5);
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theme->widget_background_color[PGPL_GUI_STATUS_COLOR_HOVER] =
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pgpl_color_divide(base_color, 4);
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theme->widget_background_color[PGPL_GUI_STATUS_COLOR_ACTIVE] =
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pgpl_color_divide(base_color, 3);
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theme->text_color[PGPL_GUI_STATUS_COLOR_NORMAL] =
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pgpl_color_divide(base_color, 1.5);
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theme->text_color[PGPL_GUI_STATUS_COLOR_HOVER] =
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pgpl_color_divide(base_color, 1.25);
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theme->text_color[PGPL_GUI_STATUS_COLOR_ACTIVE] = base_color;
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theme->font_size[PGPL_GUI_FONT_SIZE_TITLE] = content_font_size * 4;
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theme->font_size[PGPL_GUI_FONT_SIZE_HEADING_LARGE] = content_font_size * 3;
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theme->font_size[PGPL_GUI_FONT_SIZE_HEADING_SMALL] = content_font_size * 2;
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theme->font_size[PGPL_GUI_FONT_SIZE_CONTENT] = content_font_size;
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theme->margin.top = content_font_size / 3;
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theme->margin.left = theme->margin.top;
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theme->margin.bottom = theme->margin.top;
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theme->margin.right = theme->margin.top;
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theme->border.top = content_font_size / 6;
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theme->border.left = theme->border.top;
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theme->border.bottom = theme->border.top;
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theme->border.right = theme->border.top;
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theme->padding.top = content_font_size / 3;
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theme->padding.left = theme->padding.top;
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theme->padding.bottom = theme->padding.top;
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theme->padding.right = theme->padding.top;
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theme->font = font;
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}
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void pgpl_gui_widget_adjust_event_params(PGPL_GuiWidget *widget,
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PGPL_GuiTheme *theme, double *x,
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double *y, double *max_width,
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double *max_height) {
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double width, height;
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pgpl_gui_widget_max_content_size(widget, theme, &width, &height, *max_width,
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*max_height);
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widget->get_content_size(widget, theme, &width, &height, width, height);
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if (!widget->expand_x) {
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*max_width = width;
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if (!widget->ignore_margin) {
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*max_width += theme->margin.left + theme->margin.right;
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}
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if (!widget->ignore_border) {
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*max_width += theme->border.left + theme->border.right;
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}
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if (!widget->ignore_padding) {
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*max_width += theme->padding.left + theme->padding.right;
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}
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}
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if (!widget->expand_y) {
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*max_height = height;
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if (!widget->ignore_margin) {
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*max_height += theme->margin.top + theme->margin.bottom;
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}
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if (!widget->ignore_border) {
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*max_height += theme->border.top + theme->border.bottom;
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}
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if (!widget->ignore_padding) {
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*max_height += theme->padding.top + theme->padding.bottom;
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}
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}
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if (!widget->ignore_margin) {
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*x += theme->margin.left;
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*y += theme->margin.top;
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*max_width -= theme->margin.left + theme->margin.right;
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*max_height -= theme->margin.top + theme->margin.bottom;
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}
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if (!widget->ignore_border) {
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*x += theme->border.left;
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*y += theme->border.top;
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*max_width -= theme->border.left + theme->border.right;
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*max_height -= theme->border.top + theme->border.bottom;
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}
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if (!widget->ignore_padding) {
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*x += theme->padding.left;
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*y += theme->padding.top;
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*max_width -= theme->padding.left + theme->padding.right;
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*max_height -= theme->padding.top + theme->padding.bottom;
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}
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*x += (*max_width - width) / 2;
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*y += (*max_height - height) / 2;
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}
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void pgpl_gui_widget_max_content_size(PGPL_GuiWidget *widget,
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PGPL_GuiTheme *theme, double *width,
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double *height, double max_width,
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double max_height) {
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*width = max_width;
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*height = max_height;
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if (!widget->ignore_margin) {
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*width -= theme->margin.left + theme->margin.right;
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*height -= theme->margin.top + theme->margin.bottom;
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}
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if (!widget->ignore_border) {
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*width -= theme->border.left + theme->border.right;
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*height -= theme->border.top + theme->border.bottom;
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}
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if (!widget->ignore_padding) {
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*width -= theme->padding.left + theme->padding.right;
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*height -= theme->padding.top + theme->padding.bottom;
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}
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}
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void pgpl_gui_widget_render_full(PGPL_GuiWidget *widget,
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PGPL_Renderer *renderer, PGPL_GuiTheme *theme,
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double x, double y, double max_width,
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double max_height) {
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double width, height;
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if (widget->theme_override) {
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theme = widget->theme_override;
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}
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x += widget->offset_x;
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y += widget->offset_y;
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pgpl_gui_widget_max_content_size(widget, theme, &width, &height, max_width,
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max_height);
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widget->get_content_size(widget, theme, &width, &height, width, height);
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if (!widget->expand_x) {
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max_width = width;
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if (!widget->ignore_margin) {
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max_width += theme->margin.left + theme->margin.right;
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}
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if (!widget->ignore_border) {
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max_width += theme->border.left + theme->border.right;
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}
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if (!widget->ignore_padding) {
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max_width += theme->padding.left + theme->padding.right;
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}
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}
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if (!widget->expand_y) {
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max_height = height;
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if (!widget->ignore_margin) {
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max_height += theme->margin.top + theme->margin.bottom;
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}
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if (!widget->ignore_border) {
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max_height += theme->border.top + theme->border.bottom;
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}
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if (!widget->ignore_padding) {
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max_height += theme->padding.top + theme->padding.bottom;
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}
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}
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if (!widget->ignore_margin) {
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x += theme->margin.left;
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y += theme->margin.top;
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max_width -= theme->margin.left + theme->margin.right;
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max_height -= theme->margin.top + theme->margin.bottom;
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}
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if (widget->border) {
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pgpl_render_rectangle(renderer, theme->text_color[widget->gui_color], x, y,
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max_width, max_height);
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}
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if (!widget->ignore_border) {
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x += theme->border.left;
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y += theme->border.top;
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max_width -= theme->border.left + theme->border.right;
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max_height -= theme->border.top + theme->border.bottom;
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}
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if (widget->background) {
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pgpl_render_rectangle(renderer,
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theme->widget_background_color[widget->gui_color], x,
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y, max_width, max_height);
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} else {
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pgpl_render_rectangle(renderer, theme->background_color, x, y, max_width,
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max_height);
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}
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if (!widget->ignore_padding) {
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x += theme->padding.left;
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y += theme->padding.top;
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max_width -= theme->padding.left + theme->padding.right;
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max_height -= theme->padding.top + theme->padding.bottom;
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}
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x += (max_width - width) / 2;
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y += (max_height - height) / 2;
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widget->render_content(widget, renderer, theme, x, y, max_width, max_height);
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}
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bool pgpl_gui_widget_within_area(double x, double y, double area_x,
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double area_y, double area_width,
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double area_height) {
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return (x >= area_x && x <= (area_x + area_width)) &&
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(y >= area_y && y <= (area_y + area_height));
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}
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bool pgpl_gui_widget_within_bounds(PGPL_GuiWidget *widget, PGPL_GuiTheme *theme,
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double widget_x, double widget_y,
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double max_width, double max_height,
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double x, double y) {
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(void)widget;
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widget_x += theme->margin.left;
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widget_y += theme->margin.top;
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max_width -= theme->margin.left + theme->margin.right;
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max_height -= theme->margin.top + theme->margin.bottom;
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return pgpl_gui_widget_within_area(x, y, widget_x, widget_y, max_width,
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max_height);
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}
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void pgpl_gui_widget_default_config(PGPL_GuiWidget *widget) {
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widget->offset_x = 0;
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widget->offset_y = 0;
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widget->expand_x = true;
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widget->expand_y = true;
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widget->border = false;
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widget->background = false;
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widget->font_size = PGPL_GUI_FONT_SIZE_CONTENT;
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widget->expansion_fraction = 1;
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widget->theme_override = NULL;
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widget->ignore_margin = false;
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widget->ignore_border = false;
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widget->ignore_padding = false;
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}
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