From 733993a651c71f7e2198d505960d6bbd31e0e107 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Sat, 18 Nov 2017 11:22:02 -0500 Subject: Move everything to sway/old/ --- sway/old/border.c | 510 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 510 insertions(+) create mode 100644 sway/old/border.c (limited to 'sway/old/border.c') diff --git a/sway/old/border.c b/sway/old/border.c new file mode 100644 index 00000000..df0022ce --- /dev/null +++ b/sway/old/border.c @@ -0,0 +1,510 @@ +#define _XOPEN_SOURCE 700 +#include +#include +#include +#include +#include +#include +#include +#include +#include "sway/border.h" +#include "sway/container.h" +#include "sway/config.h" +#include "client/pango.h" + +void cairo_set_source_u32(cairo_t *cairo, uint32_t color) { + color = htonl(color); + + cairo_set_source_rgba(cairo, + (color >> (2*8) & 0xFF) / 255.0, + (color >> (1*8) & 0xFF) / 255.0, + (color >> (0*8) & 0xFF) / 255.0, + (color >> (3*8) & 0xFF) / 255.0); +} + +void border_clear(struct border *border) { + if (border && border->buffer) { + free(border->buffer); + border->buffer = NULL; + } +} + +static cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry g, cairo_surface_t **surface) { + if (view->border == NULL) { + view->border = malloc(sizeof(struct border)); + if (!view->border) { + sway_log(L_ERROR, "Unable to allocate window border information"); + return NULL; + } + } + cairo_t *cr; + int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, g.size.w); + view->border->buffer = calloc(stride * g.size.h, sizeof(unsigned char)); + view->border->geometry = g; + if (!view->border->buffer) { + sway_log(L_ERROR, "Unable to allocate window border buffer"); + return NULL; + } + *surface = cairo_image_surface_create_for_data(view->border->buffer, + CAIRO_FORMAT_ARGB32, g.size.w, g.size.h, stride); + if (cairo_surface_status(*surface) != CAIRO_STATUS_SUCCESS) { + border_clear(view->border); + sway_log(L_ERROR, "Unable to allocate window border surface"); + return NULL; + } + cr = cairo_create(*surface); + cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); + if (cairo_status(cr) != CAIRO_STATUS_SUCCESS) { + cairo_surface_destroy(*surface); + border_clear(view->border); + sway_log(L_ERROR, "Unable to create cairo context"); + return NULL; + } + return cr; +} + +// TODO: move to client/cairo.h when local set_source_u32 is fixed. +/** + * Renders a sharp line of any width and height. + * + * The line is drawn from (x,y) to (x+width,y+height) where width/height is 0 + * if the line has a width/height of one pixel, respectively. + */ +static void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) { + cairo_set_source_u32(cairo, color); + + if (width > 1 && height > 1) { + cairo_rectangle(cairo, x, y, width, height); + cairo_fill(cairo); + } else { + if (width == 1) { + x += 0.5; + height += y; + width = x; + } + + if (height == 1) { + y += 0.5; + width += x; + height = y; + } + + cairo_move_to(cairo, x, y); + cairo_set_line_width(cairo, 1.0); + cairo_line_to(cairo, width, height); + cairo_stroke(cairo); + } +} + +int get_font_text_height(const char *font) { + cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 200, 200); + cairo_t *cr = cairo_create(surface); + int width, height; + get_text_size(cr, font, &width, &height, 1, false, "Gg"); + cairo_surface_destroy(surface); + cairo_destroy(cr); + return height; +} + +static void render_borders(swayc_t *view, cairo_t *cr, struct border_colors *colors, bool top) { + struct wlc_geometry *g = &view->border->geometry; + struct wlc_geometry *b = &view->border_geometry; + struct wlc_geometry *v = &view->actual_geometry; + enum swayc_layouts layout = view->parent->layout; + uint32_t color; + + int x = b->origin.x - g->origin.x; + int y = b->origin.y - g->origin.y; + + // draw vertical/horizontal indicator if container is the only child of its parent container + bool is_only_child = view->parent && view->parent->children && view->parent->children->length == 1; + + // left border + int left_border = v->origin.x - b->origin.x; + if (left_border > 0) { + render_sharp_line(cr, + colors->child_border, + x, y, + left_border, + b->size.h); + } + + // right border + int right_border = b->size.w - v->size.w - left_border; + if (right_border > 0) { + if (is_only_child && layout == L_HORIZ && !view->is_floating) { + color = colors->indicator; + } else { + color = colors->child_border; + } + render_sharp_line(cr, + color, + x + b->size.w - right_border, + y, + right_border, + b->size.h); + } + + // top border + int top_border = v->origin.y - b->origin.y; + if (top && top_border > 0) { + render_sharp_line(cr, + colors->child_border, + x, y, + b->size.w, + top_border); + } + + // bottom border + int bottom_border = b->size.h - (top_border + v->size.h); + if (bottom_border > 0) { + if (is_only_child && layout == L_VERT && !view->is_floating) { + color = colors->indicator; + } else { + color = colors->child_border; + } + render_sharp_line(cr, + color, + x, + y + b->size.h - bottom_border, + b->size.w, + bottom_border); + } +} + +static void render_title_bar(swayc_t *view, cairo_t *cr, struct wlc_geometry *b, struct border_colors *colors) { + struct wlc_geometry *tb = &view->title_bar_geometry; + int x = MIN(tb->origin.x, tb->origin.x - b->origin.x); + int y = MIN(tb->origin.y, tb->origin.y - b->origin.y); + + // title bar background + cairo_set_source_u32(cr, colors->background); + cairo_rectangle(cr, x, y, tb->size.w, tb->size.h); + cairo_fill(cr); + + // header top line + render_sharp_line(cr, colors->border, x, y, tb->size.w, 1); + + // text + if (view->name) { + int width, height; + get_text_size(cr, config->font, &width, &height, 1, false, "%s", view->name); + cairo_move_to(cr, x + 2, y + 2); + cairo_set_source_u32(cr, colors->text); + pango_printf(cr, config->font, 1, false, "%s", view->name); + } + // Marks + if (config->show_marks && view->marks) { + int total_len = 0; + + for(int i = view->marks->length - 1; i >= 0; --i) { + char *mark = (char *)view->marks->items[i]; + if (*mark != '_') { + int width, height; + get_text_size(cr, config->font, &width, &height, 1, false, "[%s]", mark); + total_len += width; + if ((int)tb->size.w + x - (total_len + 2) < x + 2) { + break; + } else { + cairo_move_to(cr, (int)tb->size.w + x - (total_len + 2), y + 2); + cairo_set_source_u32(cr, colors->text); + pango_printf(cr, config->font, 1, false, "[%s]", mark); + } + } + } + } + + // titlebars has a border all around for tabbed layouts + if (view->parent->layout == L_TABBED) { + // header bottom line + render_sharp_line(cr, colors->border, x, y + tb->size.h - 1, + tb->size.w, 1); + + // left border + render_sharp_line(cr, colors->border, x, y, 1, tb->size.h); + + // right border + render_sharp_line(cr, colors->border, x + tb->size.w - 1, y, + 1, tb->size.h); + + return; + } + + if ((uint32_t)(view->actual_geometry.origin.y - tb->origin.y) == tb->size.h) { + // header bottom line + render_sharp_line(cr, colors->border, + x + view->actual_geometry.origin.x - tb->origin.x, + y + tb->size.h - 1, + view->actual_geometry.size.w, 1); + } else { + // header bottom line + render_sharp_line(cr, colors->border, x, + y + tb->size.h - 1, + tb->size.w, 1); + } +} + +/** + * Generate nested container title for tabbed/stacked layouts + */ +static char *generate_container_title(swayc_t *container) { + char layout = 'H'; + char *name, *prev_name = NULL; + switch (container->layout) { + case L_TABBED: + layout = 'T'; + break; + case L_STACKED: + layout = 'S'; + break; + case L_VERT: + layout = 'V'; + break; + default: + layout = 'H'; + } + int len = 9; + name = malloc(len * sizeof(char)); + if (!name) { + sway_log(L_ERROR, "Unable to allocate container title"); + return NULL; + } + snprintf(name, len, "sway: %c[", layout); + + int i; + for (i = 0; i < container->children->length; ++i) { + prev_name = name; + swayc_t* child = container->children->items[i]; + const char *title = NULL; + if (child->type == C_VIEW) { + title = child->app_id ? child->app_id : + (child->instance ? child->instance : + (child->class ? child->class :"(null)")); + } else { //child->type == C_CONTAINER + title = generate_container_title(child); + } + + len = strlen(name) + strlen(title) + 1; + if (i < container->children->length-1) { + len++; + } + + name = malloc(len * sizeof(char)); + if (!name) { + free(prev_name); + sway_log(L_ERROR, "Unable to allocate container title"); + return NULL; + } + if (i < container->children->length-1) { + snprintf(name, len, "%s%s ", prev_name, title); + } else { + snprintf(name, len, "%s%s", prev_name, title); + } + free(prev_name); + } + + prev_name = name; + len = strlen(name) + 2; + name = malloc(len * sizeof(char)); + if (!name) { + free(prev_name); + sway_log(L_ERROR, "Unable to allocate container title"); + return NULL; + } + snprintf(name, len, "%s]", prev_name); + free(prev_name); + free(container->name); + container->name = name; + return container->name + 6; // don't include "sway: " +} + +void update_tabbed_stacked_titlebars(swayc_t *c, cairo_t *cr, struct wlc_geometry *g, swayc_t *focused, swayc_t *focused_inactive) { + if (c->type == C_CONTAINER) { + if (c->parent->focused == c) { + render_title_bar(c, cr, g, &config->border_colors.focused_inactive); + } else { + render_title_bar(c, cr, g, &config->border_colors.unfocused); + } + + if (!c->visible) { + return; + } + + int i; + for (i = 0; i < c->children->length; ++i) { + swayc_t *child = c->children->items[i]; + update_tabbed_stacked_titlebars(child, cr, g, focused, focused_inactive); + } + } else { + bool is_child_of_focused = swayc_is_child_of(c, get_focused_container(&root_container)); + + if (focused == c || is_child_of_focused) { + render_title_bar(c, cr, g, &config->border_colors.focused); + } else if (focused_inactive == c) { + render_title_bar(c, cr, g, &config->border_colors.focused_inactive); + } else { + render_title_bar(c, cr, g, &config->border_colors.unfocused); + } + } +} + +static void update_view_border(swayc_t *view) { + if (!view->visible) { + return; + } + + cairo_t *cr = NULL; + cairo_surface_t *surface = NULL; + + // clear previous border buffer. + border_clear(view->border); + + // get focused and focused_inactive views + swayc_t *focused = get_focused_view(&root_container); + swayc_t *container = swayc_parent_by_type(view, C_CONTAINER); + swayc_t *focused_inactive = NULL; + + bool is_child_of_focused = swayc_is_parent_of(get_focused_container(&root_container), view); + + if (container) { + focused_inactive = swayc_focus_by_type(container, C_VIEW); + } else { + container = swayc_parent_by_type(view, C_WORKSPACE); + if (container) { + focused_inactive = swayc_focus_by_type(container, C_VIEW); + } + } + + // for tabbed/stacked layouts the focused view has to draw all the + // titlebars of the hidden views. + swayc_t *p = NULL; + if (view->parent->focused == view && (p = swayc_tabbed_stacked_ancestor(view))) { + struct wlc_geometry g = { + .origin = { + .x = p->x, + .y = p->y + }, + .size = { + .w = p->width, + .h = p->height + } + }; + cr = create_border_buffer(view, g, &surface); + if (!cr) { + goto cleanup; + } + + bool render_top = !should_hide_top_border(view, view->y); + if (view == focused || is_child_of_focused) { + render_borders(view, cr, &config->border_colors.focused, render_top); + } else { + render_borders(view, cr, &config->border_colors.focused_inactive, render_top); + } + + // generate container titles + int i; + for (i = 0; i < p->children->length; ++i) { + swayc_t *child = p->children->items[i]; + if (child->type == C_CONTAINER) { + generate_container_title(child); + } + } + + update_tabbed_stacked_titlebars(p, cr, &g, focused, focused_inactive); + } else { + switch (view->border_type) { + case B_NONE: + break; + case B_PIXEL: + cr = create_border_buffer(view, view->border_geometry, &surface); + if (!cr) { + break; + } + + if (focused == view || is_child_of_focused) { + render_borders(view, cr, &config->border_colors.focused, true); + } else if (focused_inactive == view) { + render_borders(view, cr, &config->border_colors.focused_inactive, true); + } else { + render_borders(view, cr, &config->border_colors.unfocused, true); + } + + break; + case B_NORMAL: + cr = create_border_buffer(view, view->border_geometry, &surface); + if (!cr) { + break; + } + + if (focused == view || is_child_of_focused) { + render_borders(view, cr, &config->border_colors.focused, false); + render_title_bar(view, cr, &view->border_geometry, + &config->border_colors.focused); + } else if (focused_inactive == view) { + render_borders(view, cr, &config->border_colors.focused_inactive, false); + render_title_bar(view, cr, &view->border_geometry, + &config->border_colors.focused_inactive); + } else { + render_borders(view, cr, &config->border_colors.unfocused, false); + render_title_bar(view, cr, &view->border_geometry, + &config->border_colors.unfocused); + } + + break; + } + } + +cleanup: + + if (surface) { + cairo_surface_flush(surface); + cairo_surface_destroy(surface); + } + + if (cr) { + cairo_destroy(cr); + } +} + +void update_container_border(swayc_t *container) { + if (container->type == C_VIEW) { + update_view_border(container); + return; + } else { + for (int i = 0; i < container->children->length; ++i) { + update_container_border(container->children->items[i]); + } + } +} + +void render_view_borders(wlc_handle view) { + swayc_t *c = swayc_by_handle(view); + + + // emulate i3 behavior for drawing borders for tabbed and stacked layouts: + // if we are not the only child in the container, always draw borders, + // regardless of the border setting on the individual view + if (!c || (c->border_type == B_NONE + && !((c->parent->layout == L_TABBED || c->parent->layout == L_STACKED) + && c->parent->children->length > 1))) { + return; + } + + if (c->border && c->border->buffer) { + wlc_pixels_write(WLC_RGBA8888, &c->border->geometry, c->border->buffer); + } +} + +bool should_hide_top_border(swayc_t *con, double y) { + // returns true if container is child of tabbed/stacked layout and is + // sharing top border with tabbed titlebar + swayc_t *par = con->parent; + while (par->type != C_WORKSPACE) { + if (par->layout == L_TABBED || par->layout == L_STACKED) { + return con->y == y; + } + con = par; + par = par->parent; + } + return false; +} -- cgit v1.2.3