look-gtk.c

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    Window win = wdt->winid;

    if (wdt->options & WINDOW_NO_BORDER)
	return;

    if (wdt->position & WINDOW_RESIZABLE) {
	CSetColor (color_widget (13));
	CLine (win, w - 4, h - 31, w - 31, h - 4);
	CLine (win, w - 4, h - 21, w - 21, h - 4);
	CLine (win, w - 4, h - 11, w - 11, h - 4);

	CLine (win, w - 4, h - 32, w - 32, h - 4);
	CLine (win, w - 4, h - 22, w - 22, h - 4);
	CLine (win, w - 4, h - 12, w - 12, h - 4);

	CSetColor (color_widget (3));
	CLine (win, w - 4, h - 27, w - 27, h - 4);
	CLine (win, w - 4, h - 17, w - 17, h - 4);
	CLine (win, w - 4, h -  7, w -  7, h - 4);

	CLine (win, w - 4, h - 28, w - 28, h - 4);
	CLine (win, w - 4, h - 18, w - 18, h - 4);
	CLine (win, w - 4, h -  8, w -  8, h - 4);
    }
    render_bevel (win, 0, 0, w - 1, h - 1, 2, 0);
    if (CRoot != wdt->parentid)
	if (win == CGetFocus ())
	    render_bevel (win, 4, 4, w - 5, h - 5, 3, 1);
}

static void look_gtk_render_vert_scrollbar (Window win, int x, int y, int w, int h, int pos, int prop, int pos2, int prop2, int flags)
{
    int l = h - 10 * w / 3 - 5;

    render_bevel (win, 0, 0, w - 1, h - 1, 2, 1);
    CSetColor (COLOR_FLAT);
    CRectangle (win, 2, w + 2 * w / 3 + 2, w - 4, (l - 5) * pos / 65535);
    CRectangle (win, 2, w + 2 * w / 3 + 3 + l * (prop + pos) / 65535, w - 4, h - 1 - w - 2 * w / 3 - (w + 2 * w / 3 + 4 + l * (prop + pos) / 65535));

    if (flags & 32) {
	bevel_background_color = ((flags & 15) == 1) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, 2, 2, w - 3, w + 1, 2, 2);
	bevel_background_color = ((flags & 15) == 2) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, 2, w + 2, w - 3, w + 2 * w / 3 + 1, 2, 2);
	bevel_background_color = ((flags & 15) == 4) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, 2, h - 2 - w, w - 3, h - 3, 2, 2);
	bevel_background_color = ((flags & 15) == 5) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, 2, h - 2 - w - 2 * w / 3, w - 3, h - 3 - w, 2, 2);
	bevel_background_color = ((flags & 15) == 3) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, 2, w + 2 * w / 3 + 2 + (l - 5) * pos / 65535, w - 3, w + 2 * w / 3 + 7 + (l - 5) * (prop + pos) / 65535, 2, 2);
	bevel_background_color = COLOR_FLAT;
    } else {
	render_bevel (win, 2, 2, w - 3, w + 1, 2, 2 | ((flags & 15) == 1));
	render_bevel (win, 2, w + 2, w - 3, w + 2 * w / 3 + 1, 2, 2 | ((flags & 15) == 2));
	render_bevel (win, 2, h - 2 - w, w - 3, h - 3, 2, 2 | ((flags & 15) == 4));
	render_bevel (win, 2, h - 2 - w - 2 * w / 3, w - 3, h - 3 - w, 2, 2 | ((flags & 15) == 5));
	if ((flags & 15) == 3) {
	    CSetColor (color_widget (5));
	    XDrawRectangle (CDisplay, win, CGC, 4, w + 2 * w / 3 + 4 + (l - 5) * pos2 / 65535, w - 10, 2 + (l - 5) * prop2 / 65535);
	}
	render_bevel (win, 2, w + 2 * w / 3 + 2 + (l - 5) * pos / 65535, w - 3, w + 2 * w / 3 + 7 + (l - 5) * (prop + pos) / 65535, 2, 2 | ((flags & 15) == 3));
    }
}

static void look_gtk_render_hori_scrollbar (Window win, int x, int y, int h, int w, int pos, int prop, int flags)
{
    int l = h - 10 * w / 3 - 5, k;
    k = (l - 5) * pos / 65535;

    render_bevel (win, 0, 0, h - 1, w - 1, 2, 1);
    CSetColor (COLOR_FLAT);

    CRectangle (win, w + 2 * w / 3 + 2, 2, (l - 5) * pos / 65535, w - 4);
    CRectangle (win, w + 2 * w / 3 + 3 + l * (prop + pos) / 65535, 2, h - 1 - w - 2 * w / 3 - (w + 2 * w / 3 + 4 + l * (prop + pos) / 65535), w - 4);

    if (flags & 32) {
	bevel_background_color = ((flags & 15) == 1) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, 2, 2, w + 1, w - 3, 2, 2);
	bevel_background_color = ((flags & 15) == 2) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, w + 2, 2, w + 2 * w / 3 + 1, w - 3, 2, 2);
	bevel_background_color = ((flags & 15) == 4) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, h - 2 - w, 2, h - 3, w - 3, 2, 2);
	bevel_background_color = ((flags & 15) == 5) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, h - 2 - w - 2 * w / 3, 2, h - 3 - w, w - 3, 2, 2);
	bevel_background_color = ((flags & 15) == 3) ? color_widget (14) : COLOR_FLAT;
	render_bevel (win, w + 2 * w / 3 + 2 + k, 2, w + 2 * w / 3 + 7 + (l - 5) * (prop + pos) / 65535, w - 3, 2, 2);
	bevel_background_color = COLOR_FLAT;
    } else {
	render_bevel (win, 2, 2, w + 1, w - 3, 2, 2 | ((flags & 15) == 1));
	render_bevel (win, w + 2, 2, w + 2 * w / 3 + 1, w - 3, 2, 2 | ((flags & 15) == 2));
	render_bevel (win, h - 2 - w, 2, h - 3, w - 3, 2, 2 | ((flags & 15) == 4));
	render_bevel (win, h - 2 - w - 2 * w / 3, 2, h - 3 - w, w - 3, 2, 2 | ((flags & 15) == 5));
	render_bevel (win, w + 2 * w / 3 + 2 + k, 2, w + 2 * w / 3 + 7 + (l - 5) * (prop + pos) / 65535, w - 3, 2, 2 | ((flags & 15) == 3));
    }
}

static void look_gtk_render_scrollbar (CWidget * wdt)
{
    int flags = wdt->options;
    if (!wdt)
	return;
    if (wdt->numlines < 0)
	wdt->numlines = 0;
    if (wdt->firstline < 0)
	wdt->firstline = 0;
    if (wdt->firstline > 65535)
	wdt->firstline = 65535;
    if (wdt->firstline + wdt->numlines >= 65535)
	wdt->numlines = 65535 - wdt->firstline;
    if (wdt->kind == C_VERTSCROLL_WIDGET) {
	look_gtk_render_vert_scrollbar (wdt->winid,
			      wdt->x, wdt->y,
			      wdt->width, wdt->height,
			      wdt->firstline, wdt->numlines, wdt->search_start, wdt->search_len, flags);
    } else
	look_gtk_render_hori_scrollbar (wdt->winid,
			      wdt->x, wdt->y,
			      wdt->width, wdt->height,
			      wdt->firstline, wdt->numlines, flags);
    if (wdt->scroll_bar_extra_render)
	(*wdt->scroll_bar_extra_render) (wdt);
}

/*
   Which scrollbar button was pressed: 3 is the middle button ?
 */
static int look_gtk_which_scrollbar_button (int bx, int by, CWidget * wdt)
{
    int w, h;
    int pos = wdt->firstline;
    int prop = wdt->numlines;
    int l;

    if (wdt->kind == C_VERTSCROLL_WIDGET) {
	w = wdt->width;
	h = wdt->height;
    } else {
	int t = bx;
	bx = by;
	by = t;
	w = wdt->height;
	h = wdt->width;
    }
    l = h - 10 * w / 3 - 5;

    if (inbounds (bx, by, 2, 2, w - 3, w + 1))
	return 1;
    if (inbounds (bx, by, 2, w + 2, w - 3, w + 2 * w / 3 + 1))
	return 2;
    if (inbounds (bx, by, 2, h - 2 - w, w - 3, h - 3))
	return 4;
    if (inbounds (bx, by, 2, h - 2 - w - 2 * w / 3, w - 3, h - 3 - w))
	return 5;
    if (inbounds (bx, by, 2, w + 2 * w / 3 + 2 + (l - 5) * pos / 65535, w - 3, w + 2 * w / 3 + 7 + (l - 5) * (prop + pos) / 65535))
	return 3;
    return 0;
}

extern int look_cool_scrollbar_handler (CWidget * w, XEvent * xevent, CEvent * cwevent);

static void look_gtk_init_scrollbar_icons (CWidget * w)
{
    return;
}

static int look_gtk_get_scrollbar_size (int type)
{
    if (type == C_HORISCROLL_WIDGET)
	return 13;
    return 20;
}

static void look_gtk_get_button_color (XColor * color, int i)
{
    color->red = i * 65535 / 15;
    color->green = i * 65535 / 15;
    color->blue = i * 65535 / 15;
    color->flags = DoRed | DoBlue | DoGreen;

#if 0
    double r, g, b, min_wc;

    r = 0.6;
    g = 0.6;
    b = 0.6;

    min_wc = min (r, min (g, b));

    color->red = (float) 65535 *my_pow ((float) i / 20, r) * my_pow (0.75, -min_wc);
    color->green = (float) 65535 *my_pow ((float) i / 20, g) * my_pow (0.75, -min_wc);
    color->blue = (float) 65535 *my_pow ((float) i / 20, b) * my_pow (0.75, -min_wc);
    color->flags = DoRed | DoBlue | DoGreen;
#endif
}

static int look_gtk_get_default_interwidget_spacing (void)
{
    return 2;
}

extern int look_cool_window_handler (CWidget * w, XEvent * xevent, CEvent * cwevent);

extern Pixmap Cswitchon;
extern Pixmap Cswitchoff;

static void look_gtk_render_switch (CWidget * wdt)
{
    int w = wdt->width, h = wdt->height;
    Window win = wdt->winid;
    if (wdt->options & BUTTON_HIGHLIGHT)
	bevel_background_color = color_widget (14);
    CSetColor (bevel_background_color);
    CRectangle (win, 0, 0, w, h);
    render_bevel (win, w / 2 - 5, h / 2 - 5, w / 2 + 4, h / 2 + 4, 2, wdt->keypressed ? 1 : 0);
    bevel_background_color = COLOR_FLAT;
}

extern unsigned long edit_normal_background_color;

static void look_gtk_edit_render_tidbits (CWidget * wdt)
{
    int isfocussed;
    int w = wdt->width, h = wdt->height;
    Window win;

    win = wdt->winid;
    isfocussed = (win == CGetFocus ());
    bevel_background_color = edit_normal_background_color;
    if (isfocussed) {
	render_bevel (win, 1, 1, w - 2, h - 2, 2, 1);	/*most outer border bevel */
	CSetColor (color_widget (0));
	XDrawRectangle(CDisplay, win, CGC, 0, 0, w - 1, h - 1);
    } else {
	render_bevel (win, 0, 0, w - 1, h - 1, 3, 1);	/*most outer border bevel */
    }
    bevel_background_color = COLOR_FLAT;
    CSetColor (edit_normal_background_color);
    CLine (CWindowOf (wdt), 3, 3, 3, CHeightOf (wdt) - 4);
}

extern CWidget *look_cool_draw_exclam_cancel_button (char *ident, Window win, int x, int y);

extern CWidget *look_cool_draw_tick_cancel_button (char *ident, Window win, int x, int y);

extern CWidget *look_cool_draw_cross_cancel_button (char *ident, Window win, int x, int y);

extern unsigned long option_text_bg_normal;

static void look_gtk_render_fielded_textbox_tidbits (CWidget * w, int isfocussed)
{
    bevel_background_color = COLOR_WHITE;
    if (isfocussed) {
	render_bevel (w->winid, 1, 1, w->width - 2, w->height - 2, 2, 1);	/*most outer border bevel */
	CSetColor (color_widget (0));
	XDrawRectangle (CDisplay, w->winid, CGC, 0, 0, w->width - 1, w->height - 1);
    } else {
	render_bevel (w->winid, 0, 0, w->width - 1, w->height - 1, 3, 1);	/*most outer border bevel */
    }
    bevel_background_color = COLOR_FLAT;
    CSetColor (color_palette (option_text_bg_normal));
    CLine (w->winid, 3, 3, 3, w->height - 4);
}

static void look_gtk_render_textbox_tidbits (CWidget * w, int isfocussed)
{
    bevel_background_color = COLOR_WHITE;
    if (isfocussed) {
	render_bevel (w->winid, 1, 1, w->width - 2, w->height - 2, 2, 1);	/*most outer border bevel */
	CSetColor (color_widget (0));
	XDrawRectangle (CDisplay, w->winid, CGC, 0, 0, w->width - 1, w->height - 1);
    } else {
	render_bevel (w->winid, 0, 0, w->width - 1, w->height - 1, 3, 1);	/*most outer border bevel */
    }
    bevel_background_color = COLOR_FLAT;
}

static void look_gtk_render_passwordinput_tidbits (CWidget * wdt, int isfocussed)
{
    int w = wdt->width, h = wdt->height;
    Window win = wdt->winid;
    bevel_background_color = COLOR_WHITE;
    if ((win == CGetFocus ())) {
	render_bevel (win, 1, 1, w - 2, h - 2, 2, 1);	/*most outer border bevel */
	CSetColor (color_widget (0));
	XDrawRectangle (CDisplay, win, CGC, 0, 0, w - 1, h - 1);
    } else {
	render_bevel (win, 0, 0, w - 1, h - 1, 3, 1);	/*most outer border bevel */
    }
    bevel_background_color = COLOR_FLAT;
}

static void look_gtk_render_textinput_tidbits (CWidget * wdt, int isfocussed)
{
    int w = wdt->width, h = wdt->height;
    Window win = wdt->winid;
    bevel_background_color = COLOR_WHITE;
    if (isfocussed) {
	render_bevel (win, 1, 1, w - h - 2, h - 2, 2, 1);	/*most outer border bevel */
	CSetColor (color_widget (0));
	XDrawRectangle (CDisplay, win, CGC, 0, 0, w - h - 1, h - 1);
    } else {
	render_bevel (win, 0, 0, w - h - 1, h - 1, 3, 1);	/*most outer border bevel */
    }
    bevel_background_color = COLOR_FLAT;
    /* history button to the right */
    if (wdt->options & BUTTON_PRESSED) {
	CSetColor (COLOR_FLAT);
	CRectangle (win, w - h + 2, 2, h - 4, h - 4);
	render_bevel (win, w - h, 0, w - 1, h - 1, 2, 1);
    } else if (wdt->options & BUTTON_HIGHLIGHT) {
	bevel_background_color = color_widget (14);
	render_bevel (win, w - h, 0, w - 1, h - 1, 2, 2);
	bevel_background_color = COLOR_FLAT;
    } else {
	CSetColor (COLOR_FLAT);
	CRectangle (win, w - h + 2, 2, h - 4, h - 4);
	render_bevel (win, w - h, 0, w - 1, h - 1, 2, 0);
    }
}

extern struct focus_win focus_border;

static void look_gtk_render_focus_border (Window win)
{
    if (win == focus_border.top || win == focus_border.bottom || win == focus_border.left
	|| win == focus_border.right) {
	CSetColor (color_widget (0));
	CRectangle (win, 0, 0, focus_border.width + 2, focus_border.height + 2);
    }
}

static int look_gtk_get_extra_window_spacing (void)
{
    return 2;
}

static int look_gtk_get_focus_ring_size (void)
{
    return 1;
}

static unsigned long look_gtk_get_button_flat_color (void)
{
    return color_widget(12);
}

static int look_gtk_get_window_resize_bar_thickness (void)
{
    return 0;
}

static int look_gtk_get_switch_size (void)
{
    return FONT_PIX_PER_LINE + TEXT_RELIEF * 2 + 2 + 4;
}

static int look_gtk_get_fielded_textbox_hscrollbar_width (void)
{
    return 12;
}

struct look look_gtk = {
    look_gtk_get_default_interwidget_spacing,
    look_gtk_menu_draw,
    look_gtk_get_menu_item_extents,
    look_gtk_render_menu_button,
    look_gtk_render_button,
    look_gtk_render_bar,
    look_gtk_render_raised_bevel,
    look_gtk_render_sunken_bevel,
    look_gtk_draw_hotkey_understroke,
    look_gtk_get_default_widget_font,
    look_gtk_render_text,
    look_gtk_render_window,
    look_gtk_render_scrollbar,
    look_gtk_get_scrollbar_size,
    look_gtk_init_scrollbar_icons,
    look_gtk_which_scrollbar_button,
    look_cool_scrollbar_handler,
    look_gtk_get_button_color,
    look_gtk_get_extra_window_spacing,
    look_cool_window_handler,
    look_gtk_get_focus_ring_size,
    look_gtk_get_button_flat_color,
    look_gtk_get_window_resize_bar_thickness,
    look_gtk_render_switch,
    look_gtk_get_switch_size,
    look_cool_draw_browser,
    look_cool_get_file_or_dir,
    look_cool_draw_file_list,
    look_cool_redraw_file_list,
    look_cool_get_file_list_line,
    look_cool_search_replace_dialog,
    look_gtk_edit_render_tidbits,
    look_cool_draw_exclam_cancel_button,
    look_cool_draw_tick_cancel_button,
    look_cool_draw_cross_cancel_button,
    look_cool_draw_tick_cancel_button,
    look_gtk_render_fielded_textbox_tidbits,
    look_gtk_render_textbox_tidbits,
    look_gtk_get_fielded_textbox_hscrollbar_width,
    look_gtk_render_textinput_tidbits,
    look_gtk_render_passwordinput_tidbits,
    look_gtk_render_focus_border,
};