swaybar: Add support for Airblade i3bar extensions
This extends the i3bar protocol implementation with the following features from @Airblade/i3: * background * border * border_top, border_bottom, border_left, border_right A block will now be rendered like this: ``` (border_left + margin) + width + (margin + border_right) + sep ``` Where `border_left/border_right` and their related margin is only drawn if the `border` is specified and the border has a width > 0 (default is 1). `border_top` and `border_bottom` does not affect the height of the bar (no margin is added), thus it will be drawn behind the text if it is too big. The user should specify a bar height if more space between top/bottom borders are required.
This commit is contained in:
Mikkel Oscar Lyderik
parent
33a74bfb93
commit
d21b15a4be
301
swaybar/main.c
301
swaybar/main.c
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@ -54,6 +54,13 @@ struct status_block {
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char *name, *instance;
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bool separator;
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int separator_block_width;
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// Airblader features
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uint32_t background;
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uint32_t border;
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int border_top;
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int border_bottom;
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int border_left;
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int border_right;
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};
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list_t *status_line = NULL;
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@ -397,7 +404,185 @@ void bar_ipc_init(int outputi, const char *bar_id) {
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ipc_update_workspaces();
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}
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/**
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* Renders a sharp line of any width and height.
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*
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* The line is drawn from (x,y) to (x+width,y+height) where width/height is 0
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* if the line has a width/height of one pixel, respectively.
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*/
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void render_sharp_line(cairo_t *cairo, uint32_t color, double x, double y, double width, double height) {
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cairo_set_source_u32(cairo, color);
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if (width > 1 && height > 1) {
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cairo_rectangle(cairo, x, y, width, height);
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cairo_fill(cairo);
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} else {
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if (width == 1) {
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x += 0.5;
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height += y;
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width = x;
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}
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if (height == 1) {
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y += 0.5;
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width += x;
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height = y;
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}
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cairo_move_to(cairo, x, y);
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cairo_set_line_width(cairo, 1.0);
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cairo_line_to(cairo, width, height);
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cairo_stroke(cairo);
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}
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}
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void render_block(struct status_block *block, double *x, bool edge) {
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int width, height;
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get_text_size(window, &width, &height, "%s", block->full_text);
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int textwidth = width;
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double block_width = width;
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if (width < block->min_width) {
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width = block->min_width;
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}
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*x -= width;
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if (block->border != 0 && block->border_left > 0) {
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*x -= (block->border_left + margin);
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block_width += block->border_left + margin;
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}
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if (block->border != 0 && block->border_right > 0) {
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*x -= (block->border_right + margin);
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block_width += block->border_right + margin;
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}
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// Add separator
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if (!edge) {
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*x -= block->separator_block_width;
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} else {
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*x -= margin;
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}
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double pos = *x;
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// render background
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if (block->background != 0x0) {
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cairo_set_source_u32(window->cairo, block->background);
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cairo_rectangle(window->cairo, pos - 0.5, 1, block_width, window->height - 2);
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cairo_fill(window->cairo);
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}
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// render top border
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if (block->border != 0 && block->border_top > 0) {
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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1,
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block_width,
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block->border_top);
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}
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// render bottom border
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if (block->border != 0 && block->border_bottom > 0) {
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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window->height - 1 - block->border_bottom,
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block_width,
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block->border_bottom);
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}
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// render left border
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if (block->border != 0 && block->border_left > 0) {
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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1,
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block->border_left,
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window->height - 2);
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pos += block->border_left + margin;
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}
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// render text
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double offset = 0;
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if (strncmp(block->align, "left", 5) == 0) {
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offset = pos;
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} else if (strncmp(block->align, "right", 5) == 0) {
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offset = pos + width - textwidth;
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} else if (strncmp(block->align, "center", 6) == 0) {
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offset = pos + (width - textwidth) / 2;
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}
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cairo_move_to(window->cairo, offset, margin);
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cairo_set_source_u32(window->cairo, block->color);
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pango_printf(window, "%s", block->full_text);
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pos += width;
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// render right border
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if (block->border != 0 && block->border_right > 0) {
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pos += margin;
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render_sharp_line(window->cairo, block->border,
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pos - 0.5,
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1,
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block->border_right,
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window->height - 2);
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pos += block->border_right;
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}
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// render separator
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// TODO: Handle custom separator
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if (!edge && block->separator) {
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cairo_set_source_u32(window->cairo, colors.separator);
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cairo_set_line_width(window->cairo, 1);
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cairo_move_to(window->cairo, pos + block->separator_block_width/2, margin);
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cairo_line_to(window->cairo, pos + block->separator_block_width/2, window->height - margin);
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cairo_stroke(window->cairo);
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}
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}
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void render_workspace_button(struct workspace *ws, double *x) {
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int width, height;
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get_text_size(window, &width, &height, "%s", ws->name);
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struct box_colors box_colors;
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if (ws->urgent) {
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box_colors = colors.urgent_workspace;
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} else if (ws->focused) {
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box_colors = colors.focused_workspace;
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} else if (ws->visible) {
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box_colors = colors.active_workspace;
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} else {
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box_colors = colors.inactive_workspace;
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}
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// background
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cairo_set_source_u32(window->cairo, box_colors.background);
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cairo_rectangle(window->cairo, *x, 1.5, width + ws_hor_padding * 2 - 1,
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height + ws_ver_padding * 2);
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cairo_fill(window->cairo);
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// border
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cairo_set_source_u32(window->cairo, box_colors.border);
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cairo_rectangle(window->cairo, *x, 1.5, width + ws_hor_padding * 2 - 1,
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height + ws_ver_padding * 2);
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cairo_stroke(window->cairo);
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// text
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cairo_set_source_u32(window->cairo, box_colors.text);
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cairo_move_to(window->cairo, (int)*x + ws_hor_padding, margin);
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pango_printf(window, "%s", ws->name);
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*x += width + ws_hor_padding * 2 + ws_spacing;
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}
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void render() {
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int i;
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// Clear
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cairo_save(window->cairo);
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cairo_set_operator(window->cairo, CAIRO_OPERATOR_CLEAR);
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@ -417,49 +602,13 @@ void render() {
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cairo_move_to(window->cairo, window->width - margin - width, margin);
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pango_printf(window, "%s", line);
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} else if (protocol == I3BAR && status_line) {
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int i, blockpos;
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int moved = 0;
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bool corner = true;
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double pos = window->width - 0.5;
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bool edge = true;
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for (i = status_line->length - 1; i >= 0; --i) {
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struct status_block *block = status_line->items[i];
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if (block->full_text && block->full_text[0]) {
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get_text_size(window, &width, &height, "%s", block->full_text);
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int textwidth = width;
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if (width < block->min_width) {
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width = block->min_width;
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}
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moved += width + block->separator_block_width;
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blockpos = window->width - margin - moved;
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int offset = 0;
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if (strncmp(block->align, "left", 5) == 0) {
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offset = blockpos;
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}
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else if (strncmp(block->align, "right", 5) == 0) {
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offset = blockpos + width - textwidth;
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}
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else if (strncmp(block->align, "center", 6) == 0) {
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offset = blockpos + (width - textwidth) / 2;
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}
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cairo_move_to(window->cairo, offset, margin);
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cairo_set_source_u32(window->cairo, block->color);
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pango_printf(window, "%s", block->full_text);
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if (corner) {
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corner = false;
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} else if (block->separator) {
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cairo_set_source_u32(window->cairo, colors.separator);
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cairo_set_line_width(window->cairo, 1);
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cairo_move_to(window->cairo, blockpos + width
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+ block->separator_block_width/2, margin);
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cairo_line_to(window->cairo, blockpos + width
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+ block->separator_block_width/2, window->height - margin);
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cairo_stroke(window->cairo);
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}
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render_block(block, &pos, edge);
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edge = false;
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}
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}
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}
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@ -467,34 +616,9 @@ void render() {
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// Workspaces
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cairo_set_line_width(window->cairo, 1.0);
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double x = 0.5;
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int i;
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for (i = 0; i < workspaces->length; ++i) {
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struct workspace *ws = workspaces->items[i];
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get_text_size(window, &width, &height, "%s", ws->name);
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struct box_colors box_colors;
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if (ws->urgent) {
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box_colors = colors.urgent_workspace;
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} else if (ws->focused) {
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box_colors = colors.focused_workspace;
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} else if (ws->visible) {
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box_colors = colors.active_workspace;
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} else {
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box_colors = colors.inactive_workspace;
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}
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cairo_set_source_u32(window->cairo, box_colors.background);
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cairo_rectangle(window->cairo, x, 1.5, width + ws_hor_padding * 2 - 1, height + ws_ver_padding * 2);
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cairo_fill(window->cairo);
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cairo_set_source_u32(window->cairo, box_colors.border);
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cairo_rectangle(window->cairo, x, 1.5, width + ws_hor_padding * 2 - 1, height + ws_ver_padding * 2);
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cairo_stroke(window->cairo);
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cairo_set_source_u32(window->cairo, box_colors.text);
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cairo_move_to(window->cairo, (int)x + ws_hor_padding, margin);
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pango_printf(window, "%s", ws->name);
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x += width + ws_hor_padding * 2 + ws_spacing;
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render_workspace_button(ws, &x);
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}
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}
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@ -543,6 +667,8 @@ void parse_json(const char *text) {
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for (i = 0; i < json_object_array_length(results); ++i) {
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json_object *full_text, *short_text, *color, *min_width, *align, *urgent;
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json_object *name, *instance, *separator, *separator_block_width;
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json_object *background, *border, *border_top, *border_bottom;
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json_object *border_left, *border_right;
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json_object *json = json_object_array_get_idx(results, i);
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if (!json) {
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@ -559,6 +685,12 @@ void parse_json(const char *text) {
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json_object_object_get_ex(json, "instance", &instance);
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json_object_object_get_ex(json, "separator", &separator);
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json_object_object_get_ex(json, "separator_block_width", &separator_block_width);
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json_object_object_get_ex(json, "background", &background);
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json_object_object_get_ex(json, "border", &border);
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json_object_object_get_ex(json, "border_top", &border_top);
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json_object_object_get_ex(json, "border_bottom", &border_bottom);
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json_object_object_get_ex(json, "border_left", &border_left);
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json_object_object_get_ex(json, "border_right", &border_right);
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struct status_block *new = malloc(sizeof(struct status_block));
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memset(new, 0, sizeof(struct status_block));
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@ -623,6 +755,43 @@ void parse_json(const char *text) {
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new->separator_block_width = 9; // i3bar spec
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}
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// Airblader features
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if (background) {
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new->background = parse_color(json_object_get_string(background));
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} else {
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new->background = 0x0; // transparent
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}
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if (border) {
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new->border = parse_color(json_object_get_string(border));
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} else {
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new->border = 0x0; // transparent
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}
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if (border_top) {
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new->border_top = json_object_get_int(border_top);
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} else {
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new->border_top = 1;
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}
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if (border_bottom) {
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new->border_bottom = json_object_get_int(border_bottom);
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} else {
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new->border_bottom = 1;
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}
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if (border_left) {
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new->border_left = json_object_get_int(border_left);
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} else {
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new->border_left = 1;
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}
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if (border_right) {
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new->border_right = json_object_get_int(border_right);
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} else {
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new->border_right = 1;
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}
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list_add(status_line, new);
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}
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