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Improve appearance of 'libretro_message' widget

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This commit is contained in:
jdgleaver 2020-08-21 11:27:24 +01:00
parent 50efd72a8e
commit d43e92907e
3 changed files with 423 additions and 72 deletions
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6
gfx/gfx_widgets.c
View File

@ -142,6 +142,12 @@ unsigned gfx_widgets_get_padding(void *data)
return p_dispwidget->simple_widget_padding;
}
unsigned gfx_widgets_get_divider_width(void *data)
{
dispgfx_widget_t *p_dispwidget = (dispgfx_widget_t*)data;
return p_dispwidget->divider_width_1px;
}
unsigned gfx_widgets_get_height(void *data)
{
dispgfx_widget_t *p_dispwidget = (dispgfx_widget_t*)data;

2
gfx/gfx_widgets.h
View File

@ -275,6 +275,8 @@ float* gfx_widgets_get_pure_white(void);
unsigned gfx_widgets_get_padding(void *data);
unsigned gfx_widgets_get_divider_width(void *data);
unsigned gfx_widgets_get_height(void *data);
gfx_widget_font_data_t* gfx_widgets_get_font_regular(void *data);

487
gfx/widgets/gfx_widget_libretro_message.c
View File

@ -20,21 +20,75 @@
#include "../gfx_display.h"
#include "../../retroarch.h"
#define LIBRETRO_MESSAGE_FADE_DURATION MSG_QUEUE_ANIMATION_DURATION
/* Widget state */
enum gfx_widget_libretro_message_status
{
GFX_WIDGET_LIBRETRO_MESSAGE_IDLE = 0,
GFX_WIDGET_LIBRETRO_MESSAGE_SLIDE_IN,
GFX_WIDGET_LIBRETRO_MESSAGE_FADE_IN,
GFX_WIDGET_LIBRETRO_MESSAGE_WAIT,
GFX_WIDGET_LIBRETRO_MESSAGE_FADE_OUT
};
struct gfx_widget_libretro_message_state
{
unsigned width;
unsigned bg_width;
unsigned bg_height;
unsigned text_padding;
unsigned text_color;
unsigned frame_width;
unsigned message_duration;
gfx_timer_t timer; /* float alignment */
float bg_x;
float bg_y_start;
float bg_y_end;
float text_x;
float text_y_start;
float text_y_end;
float alpha;
float frame_color[16];
enum gfx_widget_libretro_message_status status;
char message[512];
bool message_updated;
};
typedef struct gfx_widget_libretro_message_state gfx_widget_libretro_message_state_t;
static gfx_widget_libretro_message_state_t p_w_libretro_message_st = {
0,
0.0f,
0.0f,
{'\0'}
0, /* bg_width */
0, /* bg_height */
0, /* text_padding */
0xE0E0E0FF, /* text_color */
0, /* frame_width */
0, /* message_duration */
0.0f, /* timer */
0.0f, /* bg_x */
0.0f, /* bg_y_start */
0.0f, /* bg_y_end */
0.0f, /* text_x */
0.0f, /* text_y_start */
0.0f, /* text_y_end */
0.0f, /* alpha */
COLOR_HEX_TO_FLOAT(0x909090, 1.0f), /* frame_color */
GFX_WIDGET_LIBRETRO_MESSAGE_IDLE, /* status */
{'\0'}, /* message */
false /* message_updated */
};
static gfx_widget_libretro_message_state_t* gfx_widget_libretro_message_get_state(void)
@ -42,106 +96,395 @@ static gfx_widget_libretro_message_state_t* gfx_widget_libretro_message_get_stat
return &p_w_libretro_message_st;
}
static void gfx_widget_libretro_message_fadeout(void *userdata)
/* Utilities */
static void gfx_widget_libretro_message_reset(void)
{
gfx_animation_ctx_entry_t entry;
gfx_widget_libretro_message_state_t* state = gfx_widget_libretro_message_get_state();
uintptr_t tag = (uintptr_t)&state->timer;
gfx_widget_libretro_message_state_t *state = gfx_widget_libretro_message_get_state();
uintptr_t alpha_tag = (uintptr_t)&state->alpha;
/* Start fade out animation */
entry.cb = NULL;
entry.duration = MSG_QUEUE_ANIMATION_DURATION;
entry.easing_enum = EASING_OUT_QUAD;
entry.subject = &state->alpha;
entry.tag = tag;
entry.target_value = 0.0f;
entry.userdata = NULL;
/* Kill any existing timers/animations */
gfx_timer_kill(&state->timer);
gfx_animation_kill_by_tag(&alpha_tag);
gfx_animation_push(&entry);
/* Reset status */
state->status = GFX_WIDGET_LIBRETRO_MESSAGE_IDLE;
state->message_updated = false;
}
/* Callbacks */
static void gfx_widget_libretro_message_fade_out_cb(void *userdata)
{
gfx_widget_libretro_message_reset();
}
static void gfx_widget_libretro_message_wait_cb(void *userdata)
{
gfx_widget_libretro_message_state_t *state = (gfx_widget_libretro_message_state_t*)userdata;
uintptr_t alpha_tag = (uintptr_t)&state->alpha;
gfx_animation_ctx_entry_t animation_entry;
/* Trigger fade out */
state->alpha = 1.0f;
animation_entry.easing_enum = EASING_OUT_QUAD;
animation_entry.tag = alpha_tag;
animation_entry.duration = LIBRETRO_MESSAGE_FADE_DURATION;
animation_entry.target_value = 0.0f;
animation_entry.subject = &state->alpha;
animation_entry.cb = gfx_widget_libretro_message_fade_out_cb;
animation_entry.userdata = NULL;
gfx_animation_push(&animation_entry);
state->status = GFX_WIDGET_LIBRETRO_MESSAGE_FADE_OUT;
}
static void gfx_widget_libretro_message_slide_in_cb(void *userdata)
{
gfx_widget_libretro_message_state_t *state = (gfx_widget_libretro_message_state_t*)userdata;
gfx_timer_ctx_entry_t timer;
/* Start wait timer */
state->alpha = 1.0f;
timer.duration = state->message_duration;
timer.cb = gfx_widget_libretro_message_wait_cb;
timer.userdata = state;
gfx_timer_start(&state->timer, &timer);
state->status = GFX_WIDGET_LIBRETRO_MESSAGE_WAIT;
}
/* Widget interface */
void gfx_widget_set_libretro_message(void *data,
const char *msg, unsigned duration)
{
gfx_timer_ctx_entry_t timer;
gfx_widget_libretro_message_state_t* state = gfx_widget_libretro_message_get_state();
uintptr_t tag = (uintptr_t)&state->timer;
gfx_widget_font_data_t* font_regular = gfx_widgets_get_font_regular(data);
dispgfx_widget_t *p_dispwidget = (dispgfx_widget_t*)data;
gfx_widget_libretro_message_state_t *state = gfx_widget_libretro_message_get_state();
gfx_widget_font_data_t *font_msg_queue = gfx_widgets_get_font_msg_queue(p_dispwidget);
/* Ensure we have a valid message string */
if (string_is_empty(msg))
return;
/* Cache message parameters */
strlcpy(state->message, msg, sizeof(state->message));
state->message_duration = duration;
state->alpha = DEFAULT_BACKDROP;
/* Get background width */
state->bg_width = (state->text_padding * 2) +
font_driver_get_message_width(
font_msg_queue->font, state->message,
(unsigned)strlen(state->message), 1.0f);
/* Kill and restart the timer / animation */
gfx_timer_kill(&state->timer);
gfx_animation_kill_by_tag(&tag);
/* If a 'slide in' animation is already in
* progress, no further action is required;
* just let animation continue with the updated
* message text */
if (state->status == GFX_WIDGET_LIBRETRO_MESSAGE_SLIDE_IN)
return;
timer.cb = gfx_widget_libretro_message_fadeout;
timer.duration = duration;
timer.userdata = NULL;
gfx_timer_start(&state->timer, &timer);
/* Compute text width */
state->width = font_driver_get_message_width(font_regular->font, msg, (unsigned)strlen(msg), 1) + gfx_widgets_get_padding(data) * 2;
/* Signal that message has been updated
* > Note that we have to defer the triggering
* of any animation changes until the next
* call of gfx_widget_libretro_message_iterate().
* This is because cores will often send messages
* during initialisation - i.e. during processes
* that take a non-trivial amount of time. In these
* cases, updating the animation state here would
* result in the following:
* - Core starts initialisation/load content
* - Message is set, animation is triggered
* - Core finishes initialisation/load content,
* taking multiple 100's of ms
* - On next runloop iterate, animation status
* is checked - but because initialisation
* took so long, the animation duration has
* already elapsed
* - Animation 'finishes' immediately, and the
* user never sees it... */
state->message_updated = true;
}
static void gfx_widget_libretro_message_frame(void *data, void *user_data)
/* Widget layout() */
static void gfx_widget_libretro_message_layout(
void *data,
bool is_threaded, const char *dir_assets, char *font_path)
{
gfx_widget_libretro_message_state_t* state =
gfx_widget_libretro_message_get_state();
dispgfx_widget_t *p_dispwidget = (dispgfx_widget_t*)data;
gfx_widget_libretro_message_state_t *state = gfx_widget_libretro_message_get_state();
if (state->alpha > 0.0f)
unsigned last_video_height = gfx_widgets_get_last_video_height(p_dispwidget);
unsigned divider_width = gfx_widgets_get_divider_width(p_dispwidget);
gfx_widget_font_data_t *font_msg_queue = gfx_widgets_get_font_msg_queue(p_dispwidget);
/* Set values that are independent of message length */
state->bg_height = font_msg_queue->line_height * 2;
state->text_padding = (unsigned)(((float)font_msg_queue->line_height * (2.0f / 3.0f)) + 0.5f);
state->frame_width = divider_width;
state->bg_x = 0.0f;
state->bg_y_start = (float)last_video_height + (float)state->frame_width;
state->bg_y_end = (float)last_video_height - (float)state->bg_height;
state->text_x = (float)state->text_padding;
state->text_y_start = state->bg_y_start + ((float)state->bg_height * 0.5f) +
(float)font_msg_queue->line_centre_offset;
state->text_y_end = state->bg_y_end + ((float)state->bg_height * 0.5f) +
(float)font_msg_queue->line_centre_offset;
/* Update values that are dependent upon message length */
state->bg_width = state->text_padding * 2;
if (!string_is_empty(state->message))
state->bg_width += font_driver_get_message_width(
font_msg_queue->font, state->message,
(unsigned)strlen(state->message), 1.0f);
}
/* Widget iterate() */
static void gfx_widget_libretro_message_iterate(void *user_data,
unsigned width, unsigned height, bool fullscreen,
const char *dir_assets, char *font_path,
bool is_threaded)
{
gfx_widget_libretro_message_state_t *state = gfx_widget_libretro_message_get_state();
if (state->message_updated)
{
video_frame_info_t* video_info = (video_frame_info_t*)data;
void* userdata = video_info->userdata;
unsigned video_width = video_info->width;
unsigned video_height = video_info->height;
unsigned height = gfx_widgets_get_generic_message_height(user_data);
float* backdrop_orign = gfx_widgets_get_backdrop_orig();
unsigned text_color = COLOR_TEXT_ALPHA(0xffffffff, (unsigned)(state->alpha*255.0f));
gfx_widget_font_data_t* font_regular = gfx_widgets_get_font_regular(user_data);
size_t msg_queue_size = gfx_widgets_get_msg_queue_size(user_data);
enum gfx_widget_libretro_message_status current_status = state->status;
uintptr_t alpha_tag = (uintptr_t)&state->alpha;
gfx_animation_ctx_entry_t animation_entry;
gfx_display_set_alpha(backdrop_orign, state->alpha);
/* In all cases, reset any existing animation
* > Note that this sets state->message_updated
* to 'false' */
gfx_widget_libretro_message_reset();
gfx_display_draw_quad(userdata,
video_width, video_height,
0, video_height - height,
state->width, height,
video_width, video_height,
backdrop_orign);
/* If an animation was already in progress,
* have to continue from the last active
* animation phase */
switch (current_status)
{
case GFX_WIDGET_LIBRETRO_MESSAGE_IDLE:
/* Trigger 'slide in' animation */
state->alpha = 0.0f;
animation_entry.easing_enum = EASING_OUT_QUAD;
animation_entry.tag = alpha_tag;
animation_entry.duration = LIBRETRO_MESSAGE_FADE_DURATION;
animation_entry.target_value = 1.0f;
animation_entry.subject = &state->alpha;
animation_entry.cb = gfx_widget_libretro_message_slide_in_cb;
animation_entry.userdata = state;
gfx_widgets_draw_text(font_regular, state->message,
gfx_widgets_get_padding(user_data),
video_height - height/2 + font_regular->line_centre_offset,
video_width, video_height,
text_color, TEXT_ALIGN_LEFT,
false);
gfx_animation_push(&animation_entry);
state->status = GFX_WIDGET_LIBRETRO_MESSAGE_SLIDE_IN;
break;
case GFX_WIDGET_LIBRETRO_MESSAGE_FADE_IN:
case GFX_WIDGET_LIBRETRO_MESSAGE_FADE_OUT:
{
/* If we are fading in or out, start
* a new fade in animation (transitioning
* from the current alpha value to 1.0) */
unsigned fade_duration = (unsigned)(((1.0f - state->alpha) *
(float)LIBRETRO_MESSAGE_FADE_DURATION) + 0.5f);
fade_duration = (fade_duration > LIBRETRO_MESSAGE_FADE_DURATION) ?
LIBRETRO_MESSAGE_FADE_DURATION : fade_duration;
/* If the message queue is active, must flush the
* text here to avoid overlaps */
if (msg_queue_size > 0)
gfx_widgets_flush_text(video_width, video_height, font_regular);
/* > If current and final alpha values are the
* same, or fade duration is zero, skip
* straight to the wait phase */
if ((state->alpha >= 1.0f) || (fade_duration < 1))
gfx_widget_libretro_message_slide_in_cb(state);
else
{
animation_entry.easing_enum = EASING_OUT_QUAD;
animation_entry.tag = alpha_tag;
animation_entry.duration = LIBRETRO_MESSAGE_FADE_DURATION;
animation_entry.target_value = 1.0f;
animation_entry.subject = &state->alpha;
/* Note that 'slide in' and 'fade in' share
* the same callback */
animation_entry.cb = gfx_widget_libretro_message_slide_in_cb;
animation_entry.userdata = state;
gfx_animation_push(&animation_entry);
state->status = GFX_WIDGET_LIBRETRO_MESSAGE_FADE_IN;
}
}
break;
case GFX_WIDGET_LIBRETRO_MESSAGE_WAIT:
/* If we are currently waiting, just
* 'reset' the wait timer */
gfx_widget_libretro_message_slide_in_cb(state);
break;
default:
/* The only remaining case is
* GFX_WIDGET_LIBRETRO_MESSAGE_SLIDE_IN,
* which can never happen (state->message_updated
* will be false if it is, so this code will
* not be invoked). If we reach this point, an
* unknown error has occurred. We have already
* reset any existing animation, so no further
* action is required */
break;
}
}
}
/* Widget frame() */
static void gfx_widget_libretro_message_frame(void *data, void *user_data)
{
gfx_widget_libretro_message_state_t *state = gfx_widget_libretro_message_get_state();
if (state->status != GFX_WIDGET_LIBRETRO_MESSAGE_IDLE)
{
video_frame_info_t *video_info = (video_frame_info_t*)data;
dispgfx_widget_t *p_dispwidget = (dispgfx_widget_t*)user_data;
unsigned video_width = video_info->width;
unsigned video_height = video_info->height;
void *userdata = video_info->userdata;
gfx_widget_font_data_t *font_msg_queue = gfx_widgets_get_font_msg_queue(p_dispwidget);
size_t msg_queue_size = gfx_widgets_get_msg_queue_size(p_dispwidget);
float *bg_color = gfx_widgets_get_backdrop_orig();
float bg_alpha;
float bg_y;
unsigned text_color;
float text_alpha;
float text_y;
/* Determine status-dependent opacity/position
* values */
switch (state->status)
{
case GFX_WIDGET_LIBRETRO_MESSAGE_SLIDE_IN:
bg_alpha = DEFAULT_BACKDROP * state->alpha;
text_alpha = state->alpha;
/* Use 'alpha' to determine the draw offset
* > Saves having to trigger two animations */
bg_y = state->bg_y_start + (state->alpha *
(state->bg_y_end - state->bg_y_start));
text_y = state->text_y_start + (state->alpha *
(state->text_y_end - state->text_y_start));
break;
case GFX_WIDGET_LIBRETRO_MESSAGE_FADE_IN:
case GFX_WIDGET_LIBRETRO_MESSAGE_FADE_OUT:
bg_alpha = DEFAULT_BACKDROP * state->alpha;
text_alpha = state->alpha;
bg_y = state->bg_y_end;
text_y = state->text_y_end;
break;
case GFX_WIDGET_LIBRETRO_MESSAGE_WAIT:
bg_alpha = DEFAULT_BACKDROP;
text_alpha = 1.0f;
bg_y = state->bg_y_end;
text_y = state->text_y_end;
break;
default:
bg_alpha = 0.0f;
text_alpha = 0.0f;
bg_y = state->bg_y_start;
text_y = state->text_y_start;
break;
}
/* Draw background */
if (bg_alpha > 0.0f)
{
/* Set opacity
* > Note: Background and frame have the
* same opacity */
gfx_display_set_alpha(bg_color, bg_alpha);
gfx_display_set_alpha(state->frame_color, bg_alpha);
/* Background */
gfx_display_draw_quad(
userdata,
video_width,
video_height,
state->bg_x,
bg_y,
state->bg_width,
state->bg_height,
video_width,
video_height,
bg_color);
/* Frame */
gfx_display_draw_quad(
userdata,
video_width,
video_height,
state->bg_x,
bg_y - (float)state->frame_width,
state->bg_width + state->frame_width,
state->frame_width,
video_width,
video_height,
state->frame_color);
gfx_display_draw_quad(
userdata,
video_width,
video_height,
state->bg_x + (float)state->bg_width,
bg_y,
state->frame_width,
state->bg_height,
video_width,
video_height,
state->frame_color);
}
/* Draw text */
if (text_alpha > 0.0f)
{
/* Set opacity */
text_color = COLOR_TEXT_ALPHA(state->text_color,
(unsigned)(text_alpha * 255.0f));
/* Draw message */
gfx_widgets_draw_text(
font_msg_queue,
state->message,
state->text_x,
text_y,
video_width,
video_height,
text_color,
TEXT_ALIGN_LEFT,
true);
/* If the message queue is active, must flush the
* text here to avoid overlaps */
if (msg_queue_size > 0)
gfx_widgets_flush_text(video_width, video_height,
font_msg_queue);
}
}
}
/* Widget free() */
static void gfx_widget_libretro_message_free(void)
{
gfx_widget_libretro_message_state_t* state = gfx_widget_libretro_message_get_state();
uintptr_t tag = (uintptr_t) &state->timer;
state->alpha = 0.0f;
gfx_timer_kill(&state->timer);
gfx_animation_kill_by_tag(&tag);
gfx_widget_libretro_message_reset();
}
/* Widget definition */
const gfx_widget_t gfx_widget_libretro_message = {
NULL, /* init */
gfx_widget_libretro_message_free,
NULL, /* context_reset*/
NULL, /* context_destroy */
NULL, /* layout */
NULL, /* iterate */
gfx_widget_libretro_message_layout,
gfx_widget_libretro_message_iterate,
gfx_widget_libretro_message_frame
};