diff options
Diffstat (limited to 'swaybar/render.c')
| -rw-r--r-- | swaybar/render.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/swaybar/render.c b/swaybar/render.c new file mode 100644 index 00000000..1e1554c5 --- /dev/null +++ b/swaybar/render.c @@ -0,0 +1,311 @@ +#include <stdlib.h> +#include <stdint.h> +#include <string.h> + +#include "client/pango.h" +#include "client/window.h" +#include "config.h" +#include "status_line.h" +#include "render.h" + +static void cairo_set_source_u32(cairo_t *cairo, uint32_t color) { + cairo_set_source_rgba(cairo, + ((color & 0xFF000000) >> 24) / 256.0, + ((color & 0xFF0000) >> 16) / 256.0, + ((color & 0xFF00) >> 8) / 256.0, + (color & 0xFF) / 256.0); +} + +/** + * 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); + } +} + +static void render_block(struct window *window, struct swaybar_config *config, struct status_block *block, double *x, bool edge) { + int width, height, sep_width; + get_text_size(window, &width, &height, "%s", block->full_text); + + int textwidth = width; + double block_width = width; + + if (width < block->min_width) { + width = block->min_width; + } + + *x -= width; + + if (block->border != 0 && block->border_left > 0) { + *x -= (block->border_left + config->margin); + block_width += block->border_left + config->margin; + } + + if (block->border != 0 && block->border_right > 0) { + *x -= (block->border_right + config->margin); + block_width += block->border_right + config->margin; + } + + // Add separator + if (!edge) { + if (config->sep_symbol) { + get_text_size(window, &sep_width, &height, "%s", config->sep_symbol); + if (sep_width > block->separator_block_width) { + block->separator_block_width = sep_width + config->margin * 2; + } + } + + *x -= block->separator_block_width; + } else { + *x -= config->margin; + } + + double pos = *x; + + // render background + if (block->background != 0x0) { + cairo_set_source_u32(window->cairo, block->background); + cairo_rectangle(window->cairo, pos - 0.5, 1, block_width, window->height - 2); + cairo_fill(window->cairo); + } + + // render top border + if (block->border != 0 && block->border_top > 0) { + render_sharp_line(window->cairo, block->border, + pos - 0.5, + 1, + block_width, + block->border_top); + } + + // render bottom border + if (block->border != 0 && block->border_bottom > 0) { + render_sharp_line(window->cairo, block->border, + pos - 0.5, + window->height - 1 - block->border_bottom, + block_width, + block->border_bottom); + } + + // render left border + if (block->border != 0 && block->border_left > 0) { + render_sharp_line(window->cairo, block->border, + pos - 0.5, + 1, + block->border_left, + window->height - 2); + + pos += block->border_left + config->margin; + } + + // render text + double offset = 0; + + if (strncmp(block->align, "left", 5) == 0) { + offset = pos; + } else if (strncmp(block->align, "right", 5) == 0) { + offset = pos + width - textwidth; + } else if (strncmp(block->align, "center", 6) == 0) { + offset = pos + (width - textwidth) / 2; + } + + cairo_move_to(window->cairo, offset, config->margin); + cairo_set_source_u32(window->cairo, block->color); + pango_printf(window, "%s", block->full_text); + + pos += width; + + // render right border + if (block->border != 0 && block->border_right > 0) { + pos += config->margin; + + render_sharp_line(window->cairo, block->border, + pos - 0.5, + 1, + block->border_right, + window->height - 2); + + pos += block->border_right; + } + + // render separator + if (!edge && block->separator) { + cairo_set_source_u32(window->cairo, config->colors.separator); + if (config->sep_symbol) { + offset = pos + (block->separator_block_width - sep_width) / 2; + cairo_move_to(window->cairo, offset, config->margin); + pango_printf(window, "%s", config->sep_symbol); + } else { + cairo_set_line_width(window->cairo, 1); + cairo_move_to(window->cairo, pos + block->separator_block_width/2, + config->margin); + cairo_line_to(window->cairo, pos + block->separator_block_width/2, + window->height - config->margin); + cairo_stroke(window->cairo); + } + } + +} + +static char *handle_workspace_number(bool strip_num, const char *ws_name) { + bool strip = false; + int i; + + if (strip_num) { + int len = strlen(ws_name); + for (i = 0; i < len; ++i) { + if (!('0' <= ws_name[i] && ws_name[i] <= '9')) { + if (':' == ws_name[i] && i < len-1 && i > 0) { + strip = true; + ++i; + } + break; + } + } + } + + if (strip) { + return strdup(ws_name + i); + } + + return strdup(ws_name); +} + +static void render_workspace_button(struct window *window, struct swaybar_config *config, struct workspace *ws, double *x) { + // strip workspace numbers if required + char *name = handle_workspace_number(config->strip_workspace_numbers, ws->name); + + int width, height; + get_text_size(window, &width, &height, "%s", name); + struct box_colors box_colors; + if (ws->urgent) { + box_colors = config->colors.urgent_workspace; + } else if (ws->focused) { + box_colors = config->colors.focused_workspace; + } else if (ws->visible) { + box_colors = config->colors.active_workspace; + } else { + box_colors = config->colors.inactive_workspace; + } + + // background + cairo_set_source_u32(window->cairo, box_colors.background); + cairo_rectangle(window->cairo, *x, 1.5, width + config->ws_horizontal_padding * 2 - 1, + height + config->ws_vertical_padding * 2); + cairo_fill(window->cairo); + + // border + cairo_set_source_u32(window->cairo, box_colors.border); + cairo_rectangle(window->cairo, *x, 1.5, width + config->ws_horizontal_padding * 2 - 1, + height + config->ws_vertical_padding * 2); + cairo_stroke(window->cairo); + + // text + cairo_set_source_u32(window->cairo, box_colors.text); + cairo_move_to(window->cairo, (int)*x + config->ws_horizontal_padding, config->margin); + pango_printf(window, "%s", name); + + *x += width + config->ws_horizontal_padding * 2 + config->ws_spacing; + + free(name); +} + +static void render_binding_mode_indicator(struct window *window, struct swaybar_config *config, double pos) { + int width, height; + get_text_size(window, &width, &height, "%s", config->mode); + + // background + cairo_set_source_u32(window->cairo, config->colors.binding_mode.background); + cairo_rectangle(window->cairo, pos, 1.5, width + config->ws_horizontal_padding * 2 - 1, + height + config->ws_vertical_padding * 2); + cairo_fill(window->cairo); + + // border + cairo_set_source_u32(window->cairo, config->colors.binding_mode.border); + cairo_rectangle(window->cairo, pos, 1.5, width + config->ws_horizontal_padding * 2 - 1, + height + config->ws_vertical_padding * 2); + cairo_stroke(window->cairo); + + // text + cairo_set_source_u32(window->cairo, config->colors.binding_mode.text); + cairo_move_to(window->cairo, (int)pos + config->ws_horizontal_padding, config->margin); + pango_printf(window, "%s", config->mode); +} + +void render(struct output *output, struct swaybar_config *config, struct status_line *line) { + int i; + + struct window *window = output->window; + cairo_t *cairo = window->cairo; + + // Clear + cairo_save(cairo); + cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR); + cairo_paint(cairo); + cairo_restore(cairo); + + // Background + cairo_set_source_u32(cairo, config->colors.background); + cairo_paint(cairo); + + // Command output + cairo_set_source_u32(cairo, config->colors.statusline); + int width, height; + + if (line->protocol == TEXT) { + get_text_size(window, &width, &height, "%s", line->text_line); + cairo_move_to(cairo, window->width - config->margin - width, config->margin); + pango_printf(window, "%s", line); + } else if (line->protocol == I3BAR && line->block_line) { + double pos = window->width - 0.5; + bool edge = true; + for (i = line->block_line->length - 1; i >= 0; --i) { + struct status_block *block = line->block_line->items[i]; + if (block->full_text && block->full_text[0]) { + render_block(window, config, block, &pos, edge); + edge = false; + } + } + } + + cairo_set_line_width(cairo, 1.0); + double x = 0.5; + + // Workspaces + if (config->workspace_buttons) { + for (i = 0; i < output->workspaces->length; ++i) { + struct workspace *ws = output->workspaces->items[i]; + render_workspace_button(window, config, ws, &x); + } + } + + // binding mode indicator + if (config->mode && config->binding_mode_indicator) { + render_binding_mode_indicator(window, config, x); + } +} |