diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 143 |
1 files changed, 12 insertions, 131 deletions
@@ -4,10 +4,8 @@ * Created 2019-01-16 by James Magahern <james@magahern.com> */ -#include <cairo/cairo.h> -#include <cairo-xlib.h> -#include <librsvg/rsvg.h> -#include <pango/pangocairo.h> +#include "render.h" + #include <stdbool.h> #include <stdio.h> #include <stdlib.h> @@ -16,36 +14,17 @@ #include <X11/Xlib.h> #include <X11/Xutil.h> -int __width, __height; static Window __window = { 0 }; static Display *__display = NULL; static const size_t kMaxPasswordLength = 128; -static const double kLogoBackgroundWidth = 500.0; - -typedef struct { - cairo_t *ctx; - cairo_surface_t *surface; - - PangoLayout *pango_layout; - PangoFontDescription *status_font; - - RsvgHandle *logo_svg_handle; - RsvgHandle *asterisk_svg_handle; - - double cursor_opacity; - double cursor_fade_direction; - - char *password_buffer; - size_t password_buffer_len; -} saver_state_t; void window_changed_size(saver_state_t *state, XConfigureEvent *event) { - __width = event->width; - __height = event->height; + state->canvas_width = event->width; + state->canvas_height = event->height; - cairo_xlib_surface_set_size(state->surface, __width, __height); + cairo_xlib_surface_set_size(state->surface, event->width, event->height); } void handle_key_event(saver_state_t *state, XKeyEvent *event) @@ -101,104 +80,6 @@ int poll_events(saver_state_t *state) } /* - * Scene specific stuff - */ - -void draw_logo(saver_state_t *state) -{ - if (state->logo_svg_handle == NULL) { - GError *error = NULL; - state->logo_svg_handle = rsvg_handle_new_from_file("logo.svg", &error); - if (error != NULL) { - fprintf(stderr, "Error loading logo SVG\n"); - return; - } - } - - cairo_t *cr = state->ctx; - - cairo_save(cr); - cairo_set_source_rgb(cr, (208.0 / 255.0), (69.0 / 255.0), (255.0 / 255.0)); - cairo_rectangle(cr, 0, 0, kLogoBackgroundWidth, __height); - cairo_fill(cr); - - cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); - - // Scale and draw logo - RsvgDimensionData dimensions; - rsvg_handle_get_dimensions(state->logo_svg_handle, &dimensions); - - const double padding = 100.0; - double scale_factor = ((kLogoBackgroundWidth - (padding * 2.0)) / dimensions.width); - double scaled_height = (dimensions.height * scale_factor); - double y_position = (__height - scaled_height) / 2.0; - cairo_translate(cr, padding, y_position); - cairo_scale(cr, scale_factor, scale_factor); - rsvg_handle_render_cairo(state->logo_svg_handle, cr); - - cairo_restore(cr); -} - -void draw_password_field(saver_state_t *state) -{ - const double cursor_height = 40.0; - const double cursor_width = 30.0; - const double field_x = kLogoBackgroundWidth + 50.0; - const double field_y = (__height - cursor_height) / 2.0; - const double field_padding = 10.0; - - cairo_t *cr = state->ctx; - - // Draw status text - cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); - pango_layout_set_font_description(state->pango_layout, state->status_font); - pango_layout_set_text(state->pango_layout, "Password: ", -1); - - int t_width, t_height; - pango_layout_get_size(state->pango_layout, &t_width, &t_height); - double line_height = t_height / PANGO_SCALE; - - cairo_move_to(cr, field_x, field_y - line_height - field_padding); - pango_cairo_show_layout(cr, state->pango_layout); - - // Draw password asterisks - if (state->asterisk_svg_handle == NULL) { - GError *error = NULL; - state->asterisk_svg_handle = rsvg_handle_new_from_file("asterisk.svg", &error); - if (error != NULL) { - fprintf(stderr, "Error loading asterisk SVG\n"); - return; - } - } - - const double cursor_padding_x = 10.0; - double cursor_offset_x = 0.0; - - RsvgDimensionData dimensions; - rsvg_handle_get_dimensions(state->asterisk_svg_handle, &dimensions); - - double asterisk_height = cursor_height - 20.0; - double scale_factor = (asterisk_height / dimensions.height); - double scaled_width = (dimensions.width * scale_factor); - - for (unsigned i = 0; i < strlen(state->password_buffer); i++) { - cairo_save(cr); - cairo_translate(cr, field_x + cursor_offset_x, field_y + ((cursor_height - asterisk_height) / 2.0)); - cairo_scale(cr, scale_factor, scale_factor); - rsvg_handle_render_cairo(state->asterisk_svg_handle, cr); - cairo_restore(cr); - - cursor_offset_x += scaled_width + cursor_padding_x; - } - - - // Draw cursor - cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, state->cursor_opacity); - cairo_rectangle(cr, field_x + cursor_offset_x, field_y, cursor_width, cursor_height); - cairo_fill(cr); -} - -/* * Main drawing/update routines */ @@ -275,8 +156,8 @@ int runloop(cairo_surface_t *surface) int main(int argc, char **argv) { - __width = 800; - __height = 600; + int default_width = 800; + int default_height = 600; __display = XOpenDisplay(NULL); if (__display == NULL) { @@ -289,8 +170,8 @@ int main(int argc, char **argv) __display, // display root_window, // parent window 0, 0, // x, y - __width, // width - __height, // height + default_width, // width + default_height, // height 0, // border_width 0, // border 0 // background @@ -309,8 +190,8 @@ int main(int argc, char **argv) __display, __window, visual, - __width, - __height + default_width, + default_height ); if (surface == NULL) { @@ -319,7 +200,7 @@ int main(int argc, char **argv) } // Docs say this must be called whenever the size of the window changes - cairo_xlib_surface_set_size(surface, __width, __height); + cairo_xlib_surface_set_size(surface, default_width, default_height); int result = runloop(surface); |