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https://github.com/Raymo111/i3lock-color.git
synced 2025-02-17 15:55:52 -05:00
draw the unlock indicator in the middle of every screen
This commit is contained in:
Michael Stapelberg
parent
fd64bde0cb
commit
5e14ad0605
2 changed files with 79 additions and 51 deletions
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@ -20,11 +20,12 @@
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#include "xcb.h"
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#include "unlock_indicator.h"
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#include "xinerama.h"
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#define BUTTON_RADIUS 90
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#define BUTTON_SPACE (BUTTON_RADIUS + 5)
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#define BUTTON_CENTER (BUTTON_RADIUS + 5)
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#define BUTTON_DIAMETER (5 * BUTTON_SPACE)
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#define BUTTON_DIAMETER (2 * BUTTON_SPACE)
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/*******************************************************************************
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* Variables defined in i3lock.c.
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@ -79,51 +80,47 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
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if (!vistype)
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vistype = get_root_visual_type(screen);
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bg_pixmap = create_bg_pixmap(conn, screen, resolution, color);
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/* Initialize cairo */
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cairo_surface_t *output;
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output = cairo_xcb_surface_create(conn, bg_pixmap, vistype,
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resolution[0], resolution[1]);
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/* Initialize cairo: Create one in-memory surface to render the unlock
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* indicator on, create one XCB surface to actually draw (one or more,
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* depending on the amount of screens) unlock indicators on. */
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cairo_surface_t *output = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, BUTTON_DIAMETER, BUTTON_DIAMETER);
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cairo_t *ctx = cairo_create(output);
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cairo_surface_t *xcb_output = cairo_xcb_surface_create(conn, bg_pixmap, vistype, resolution[0], resolution[1]);
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cairo_t *xcb_ctx = cairo_create(xcb_output);
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if (img) {
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if (!tile) {
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cairo_set_source_surface(ctx, img, 0, 0);
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cairo_paint(ctx);
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cairo_set_source_surface(xcb_ctx, img, 0, 0);
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cairo_paint(xcb_ctx);
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} else {
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/* create a pattern and fill a rectangle as big as the screen */
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cairo_pattern_t *pattern;
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pattern = cairo_pattern_create_for_surface(img);
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cairo_set_source(ctx, pattern);
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cairo_set_source(xcb_ctx, pattern);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
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cairo_rectangle(ctx, 0, 0, resolution[0], resolution[1]);
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cairo_fill(ctx);
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cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
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cairo_fill(xcb_ctx);
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cairo_pattern_destroy(pattern);
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}
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} else {
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char strgroups[3][3] = {{color[0], color[1], '\0'},
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{color[2], color[3], '\0'},
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{color[4], color[5], '\0'}};
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uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
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(strtol(strgroups[1], NULL, 16)),
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(strtol(strgroups[2], NULL, 16))};
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cairo_set_source_rgb(xcb_ctx, rgb16[0], rgb16[1], rgb16[2]);
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cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
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cairo_fill(xcb_ctx);
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}
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if (unlock_state >= STATE_KEY_PRESSED && unlock_indicator) {
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cairo_pattern_t *outer_pat = NULL;
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outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
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switch (pam_state) {
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case STATE_PAM_VERIFY:
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 0, 250.0/255);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 0, 250.0/255);
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break;
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case STATE_PAM_WRONG:
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 255.0/250, 139.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 125.0/255, 51.0/255, 0);
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break;
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case STATE_PAM_IDLE:
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 125.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 125.0/255, 0);
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break;
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}
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/* Draw a (centered) circle with transparent background. */
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cairo_set_line_width(ctx, 10.0);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_CENTER /* x */,
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BUTTON_CENTER /* y */,
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BUTTON_RADIUS /* radius */,
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0 /* start */,
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2 * M_PI /* end */);
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@ -142,17 +139,26 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
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break;
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}
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cairo_fill_preserve(ctx);
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cairo_set_source(ctx, outer_pat);
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cairo_stroke(ctx);
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cairo_pattern_destroy(outer_pat);
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switch (pam_state) {
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case STATE_PAM_VERIFY:
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cairo_set_source_rgb(ctx, 51.0/255, 0, 250.0/255);
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break;
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case STATE_PAM_WRONG:
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cairo_set_source_rgb(ctx, 125.0/255, 51.0/255, 0);
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break;
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case STATE_PAM_IDLE:
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cairo_set_source_rgb(ctx, 51.0/255, 125.0/255, 0);
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break;
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}
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cairo_stroke(ctx);
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/* Draw an inner seperator line. */
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cairo_set_source_rgb(ctx, 0, 0, 0);
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cairo_set_line_width(ctx, 2.0);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_CENTER /* x */,
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BUTTON_CENTER /* y */,
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BUTTON_RADIUS - 5 /* radius */,
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0,
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2 * M_PI);
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@ -181,8 +187,8 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
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cairo_set_font_size(ctx, 28.0);
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cairo_text_extents(ctx, text, &extents);
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x = (resolution[0] / 2.0) - ((extents.width / 2) + extents.x_bearing);
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y = (resolution[1] / 2.0) - ((extents.height / 2) + extents.y_bearing);
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x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing);
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y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing);
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cairo_move_to(ctx, x, y);
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cairo_show_text(ctx, text);
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@ -196,46 +202,65 @@ xcb_pixmap_t draw_image(uint32_t *resolution) {
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unlock_state == STATE_BACKSPACE_ACTIVE) {
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cairo_new_sub_path(ctx);
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double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
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cairo_arc(ctx, resolution[0] / 2 /* x */, resolution[1] / 2 /* y */,
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BUTTON_RADIUS /* radius */, highlight_start,
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cairo_arc(ctx,
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BUTTON_CENTER /* x */,
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BUTTON_CENTER /* y */,
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BUTTON_RADIUS /* radius */,
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highlight_start,
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highlight_start + (M_PI / 3.0));
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if (unlock_state == STATE_KEY_ACTIVE) {
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/* For normal keys, we use a lighter green. */
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outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 139.0/255, 219.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 51.0/255, 219.0/255, 0);
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cairo_set_source_rgb(ctx, 51.0/255, 219.0/255, 0);
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} else {
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/* For backspace, we use red. */
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outer_pat = cairo_pattern_create_linear(0, 0, 0, BUTTON_DIAMETER);
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cairo_pattern_add_color_stop_rgb(outer_pat, 0, 219.0/255, 139.0/255, 0);
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cairo_pattern_add_color_stop_rgb(outer_pat, 1, 219.0/255, 51.0/255, 0);
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cairo_set_source_rgb(ctx, 219.0/255, 51.0/255, 0);
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}
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cairo_set_source(ctx, outer_pat);
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cairo_stroke(ctx);
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/* Draw two little separators for the highlighted part of the
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* unlock indicator. */
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cairo_set_source_rgb(ctx, 0, 0, 0);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_CENTER /* x */,
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BUTTON_CENTER /* y */,
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BUTTON_RADIUS /* radius */,
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highlight_start /* start */,
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highlight_start + (M_PI / 128.0) /* end */);
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cairo_stroke(ctx);
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cairo_arc(ctx,
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(resolution[0] / 2) /* x */,
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(resolution[1] / 2) /* y */,
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BUTTON_CENTER /* x */,
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BUTTON_CENTER /* y */,
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BUTTON_RADIUS /* radius */,
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highlight_start + (M_PI / 3.0) /* start */,
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(highlight_start + (M_PI / 3.0)) + (M_PI / 128.0) /* end */);
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cairo_stroke(ctx);
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cairo_pattern_destroy(outer_pat);
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}
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}
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if (xr_screens > 0) {
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/* Composite the unlock indicator in the middle of each screen. */
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for (int screen = 0; screen < xr_screens; screen++) {
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int x = (xr_resolutions[screen].x + ((xr_resolutions[screen].width / 2) - (BUTTON_DIAMETER / 2)));
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int y = (xr_resolutions[screen].y + ((xr_resolutions[screen].height / 2) - (BUTTON_DIAMETER / 2)));
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cairo_set_source_surface(xcb_ctx, output, x, y);
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cairo_rectangle(xcb_ctx, x, y, BUTTON_DIAMETER, BUTTON_DIAMETER);
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cairo_fill(xcb_ctx);
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}
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} else {
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/* We have no information about the screen sizes/positions, so we just
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* place the unlock indicator in the middle of the X root window and
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* hope for the best. */
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int x = (last_resolution[0] / 2);
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int y = (last_resolution[1] / 2);
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cairo_set_source_surface(xcb_ctx, output, x, y);
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cairo_rectangle(xcb_ctx, x, y, BUTTON_DIAMETER, BUTTON_DIAMETER);
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cairo_fill(xcb_ctx);
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}
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cairo_surface_destroy(xcb_output);
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cairo_surface_destroy(output);
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cairo_destroy(ctx);
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cairo_destroy(xcb_ctx);
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#endif
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return bg_pixmap;
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}
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@ -8,6 +8,9 @@ typedef struct Rect {
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uint16_t height;
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} Rect;
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extern int xr_screens;
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extern Rect *xr_resolutions;
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void xinerama_init();
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void xinerama_query_screens();
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