Rename UIElement to Widget

This commit is contained in:
2025-06-08 12:40:46 +02:00
parent c6749456d5
commit b57187487b
6 changed files with 188 additions and 183 deletions
-1
View File
@@ -4,7 +4,6 @@
#include "flags.h"
#include "chunk/chunkman.h"
#include "entity/entman.h"
#include "ui/uielement.h"
void game_state_init (int ticks);
void game_state_tick (int ticks);
-84
View File
@@ -1,84 +0,0 @@
#pragma once
#include <glib-2.0/glib.h>
#include <cglm/cglm.h>
#include "../util.h"
#include "../resources.h"
#include "../flags.h"
#include "../gl/mesh.h"
#include "../gl/program.h"
typedef enum UIKind
{
UI_KIND_ROOT,
UI_KIND_CONTAINER,
UI_KIND_LABEL
} UIKind;
typedef struct UIContainer
{
gboolean horizontal;
} UIContainer;
typedef struct UILabel
{
vec4 text_color;
GString *text;
enum { ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT } alignment;
} UILabel;
typedef struct UIElement
{
UIKind kind;
struct UIElement *parent;
GArray *children;
vec2 position;
vec2 scale;
vec4 background_color, hover_background_color;
unsigned int texture;
gboolean visible;
gboolean hovered;
void (*on_left_click) (struct UIElement *, void *);
void *left_click_data;
void (*on_right_click) (struct UIElement *, void *);
void *right_click_data;
void (*on_tick) (struct UIElement *, void *);
void *tick_data;
union {
UIContainer container;
UILabel label;
};
} UIElement;
void ui_element_mesh_init ();
UIElement *UIElement_root_new ();
UIElement *UIElement_container_new (gboolean horizontal);
UIElement *UIElement_label_new (const char *text);
void UIElement_add_child (UIElement *parent, UIElement *child);
void UIElement_set_on_left_click (UIElement *element, void (*on_left_click) (struct UIElement *, void *), void *userdata);
void UIElement_set_on_tick (UIElement *element, void (*on_tick) (struct UIElement *, void *), void *userdata);
void UIElement_set_background_color (UIElement *element, float r, float g, float b, float a);
void UIElement_set_hover_background_color (UIElement *element, float r, float g, float b, float a);
void UIElement_set_position (UIElement *element, float x, float y);
void UIElement_set_scale (UIElement *element, float x, float y);
UIElement *UIElement_find_xy (UIElement *element, mat3 parent_model, vec2 mouse_ui_pos);
void UIElement_tick (UIElement *element);
void UIElement_render (UIElement *element);
void UIElement_label_set_text (UIElement *element, const char *text);
void UIElement_label_printf (UIElement *element, const char *format, ...);
void uicb_label_show_int (UIElement *element, void *userdata);
void uicb_label_show_float (UIElement *element, void *userdata);
void uicb_flag_switch (UIElement *element, void *userdata);
void uicb_debug (UIElement *element, void *userdata);
+49 -49
View File
@@ -5,81 +5,81 @@ extern float delta_time;
extern int n_frame_ents, n_frame_chunks;
extern vec3 camera_position;
static UIElement *ui_root;
static UIElement *hovered_element;
static Widget *ui_root;
static Widget *hovered_element;
void
uiman_init ()
{
ui_element_mesh_init ();
ui_root = UIElement_root_new ();
ui_root = Widget_root_new ();
UIElement *container = UIElement_container_new (false);
UIElement_set_position (container, -0.5, 0.75);
UIElement_set_scale (container, 0.4, 0.15);
UIElement_set_background_color (container, 0.0, 0.0, 0.0, 0.8);
Widget *container = Widget_container_new (false);
Widget_set_position (container, -0.5, 0.75);
Widget_set_scale (container, 0.4, 0.15);
Widget_set_background_color (container, 0.0, 0.0, 0.0, 0.8);
UIElement *frame_time = UIElement_label_new ("Frame time: ");
UIElement_set_on_tick (frame_time, uicb_label_show_float, &delta_time);
Widget *frame_time = Widget_label_new ("Frame time: ");
Widget_set_on_tick (frame_time, uicb_label_show_float, &delta_time);
UIElement *game_name = UIElement_label_new (NULL);
UIElement_label_printf (game_name, "%s %s", GAME_NAME, GAME_VERSION);
Widget *game_name = Widget_label_new (NULL);
Widget_label_printf (game_name, "%s %s", GAME_NAME, GAME_VERSION);
UIElement *entities_rendered = UIElement_label_new ("Entities rendered: ");
UIElement *chunks_rendered = UIElement_label_new ("Chunks rendered: ");
UIElement_set_on_tick (entities_rendered, uicb_label_show_int, &n_frame_ents);
UIElement_set_on_tick (chunks_rendered, uicb_label_show_int, &n_frame_chunks);
Widget *entities_rendered = Widget_label_new ("Entities rendered: ");
Widget *chunks_rendered = Widget_label_new ("Chunks rendered: ");
Widget_set_on_tick (entities_rendered, uicb_label_show_int, &n_frame_ents);
Widget_set_on_tick (chunks_rendered, uicb_label_show_int, &n_frame_chunks);
UIElement *container2 = UIElement_container_new (true);
UIElement_add_child (container2, entities_rendered);
UIElement_add_child (container2, chunks_rendered);
Widget *container2 = Widget_container_new (true);
Widget_add_child (container2, entities_rendered);
Widget_add_child (container2, chunks_rendered);
UIElement *pos_x = UIElement_label_new ("X: ");
UIElement *pos_y = UIElement_label_new ("Y: ");
UIElement *pos_z = UIElement_label_new ("Z: ");
UIElement_set_on_tick (pos_x, uicb_label_show_float, &camera_position[0]);
UIElement_set_on_tick (pos_y, uicb_label_show_float, &camera_position[1]);
UIElement_set_on_tick (pos_z, uicb_label_show_float, &camera_position[2]);
Widget *pos_x = Widget_label_new ("X: ");
Widget *pos_y = Widget_label_new ("Y: ");
Widget *pos_z = Widget_label_new ("Z: ");
Widget_set_on_tick (pos_x, uicb_label_show_float, &camera_position[0]);
Widget_set_on_tick (pos_y, uicb_label_show_float, &camera_position[1]);
Widget_set_on_tick (pos_z, uicb_label_show_float, &camera_position[2]);
UIElement *container3 = UIElement_container_new (true);
UIElement_add_child (container3, pos_x);
UIElement_add_child (container3, pos_y);
UIElement_add_child (container3, pos_z);
Widget *container3 = Widget_container_new (true);
Widget_add_child (container3, pos_x);
Widget_add_child (container3, pos_y);
Widget_add_child (container3, pos_z);
UIElement *wireframe_button = UIElement_label_new ("Toggle wireframe");
UIElement_set_background_color (wireframe_button, 1.0, 1.0, 1.0, 0.2);
UIElement_set_hover_background_color (wireframe_button, 1.0, 1.0, 1.0, 0.3);
UIElement_set_on_left_click (wireframe_button, uicb_flag_switch, "wireframe_enabled");
Widget *wireframe_button = Widget_label_new ("Toggle wireframe");
Widget_set_background_color (wireframe_button, 1.0, 1.0, 1.0, 0.2);
Widget_set_hover_background_color (wireframe_button, 1.0, 1.0, 1.0, 0.3);
Widget_set_on_left_click (wireframe_button, uicb_flag_switch, "wireframe_enabled");
UIElement *flight_button = UIElement_label_new ("Toggle flight");
UIElement_set_background_color (flight_button, 1.0, 1.0, 1.0, 0.2);
UIElement_set_hover_background_color (flight_button, 1.0, 1.0, 1.0, 0.3);
UIElement_set_on_left_click (flight_button, uicb_flag_switch, "flight_enabled");
Widget *flight_button = Widget_label_new ("Toggle flight");
Widget_set_background_color (flight_button, 1.0, 1.0, 1.0, 0.2);
Widget_set_hover_background_color (flight_button, 1.0, 1.0, 1.0, 0.3);
Widget_set_on_left_click (flight_button, uicb_flag_switch, "flight_enabled");
UIElement *container4 = UIElement_container_new (true);
UIElement_add_child (container4, wireframe_button);
UIElement_add_child (container4, flight_button);
Widget *container4 = Widget_container_new (true);
Widget_add_child (container4, wireframe_button);
Widget_add_child (container4, flight_button);
UIElement_add_child (container, game_name);
UIElement_add_child (container, frame_time);
UIElement_add_child (container, container2);
UIElement_add_child (container, container3);
UIElement_add_child (container, container4);
Widget_add_child (container, game_name);
Widget_add_child (container, frame_time);
Widget_add_child (container, container2);
Widget_add_child (container, container3);
Widget_add_child (container, container4);
UIElement_add_child (ui_root, container);
Widget_add_child (ui_root, container);
}
void
uiman_tick ()
{
UIElement_tick (ui_root);
Widget_tick (ui_root);
}
void
uiman_render ()
{
UIElement_render (ui_root);
Widget_render (ui_root);
}
static inline void
@@ -122,7 +122,7 @@ uiman_cb_mouse_motion (SDL_Event *event, void *data)
vec2 ui_pos;
screen_to_ui_coords (event->motion.x, event->motion.y, win_w, win_h, ui_pos);
UIElement *element = UIElement_find_xy (ui_root, GLM_MAT3_IDENTITY, ui_pos);
Widget *element = Widget_find_xy (ui_root, GLM_MAT3_IDENTITY, ui_pos);
if (element != hovered_element)
{
@@ -155,7 +155,7 @@ uiman_cb_button_down (SDL_Event *event, void *data)
vec2 ui_pos;
screen_to_ui_coords (event->motion.x, event->motion.y, win_w, win_h, ui_pos);
UIElement *element = UIElement_find_xy (ui_root, GLM_MAT3_IDENTITY, ui_pos);
Widget *element = Widget_find_xy (ui_root, GLM_MAT3_IDENTITY, ui_pos);
if (element)
{
+1 -1
View File
@@ -1,6 +1,6 @@
#pragma once
#include "uielement.h"
#include "widget.h"
#include "../flags.h"
#include "../state.h"
#include "../camera.h"
@@ -1,5 +1,11 @@
#include "uielement.h"
#include "widget.h"
/* TODO: Layout container children scaling, so some children can be
smaller, some bigger, etc. Perhaps android-esque LinearLayout
weight? */
/* TODO: Text alignment in labels. */
/* TODO: Padding. */
/* TODO: Widget borders. */
/* TODO: Texture support in the uielement shader. */
static SimpleMesh quad;
@@ -11,46 +17,46 @@ ui_element_mesh_init ()
quad = SimpleMesh_make_quad1 ();
}
static inline UIElement *
static inline Widget *
ui_el_new_internal (UIKind kind)
{
/* new0 instead of new is important, otherwise there's trash memory
in the function pointers */
UIElement *e = g_new0 (UIElement, 1);
Widget *e = g_new0 (Widget, 1);
e->kind = kind;
e->visible = true;
glm_vec2_one (e->scale);
e->children = g_array_new (false, false, sizeof (UIElement *));
e->children = g_array_new (false, false, sizeof (Widget *));
return e;
}
UIElement *
UIElement_root_new ()
Widget *
Widget_root_new ()
{
UIElement *e = ui_el_new_internal (UI_KIND_ROOT);
Widget *e = ui_el_new_internal (UI_KIND_ROOT);
return e;
}
UIElement *
UIElement_container_new (gboolean horizontal)
Widget *
Widget_container_new (gboolean horizontal)
{
UIElement *e = ui_el_new_internal (UI_KIND_CONTAINER);
Widget *e = ui_el_new_internal (UI_KIND_CONTAINER);
e->container.horizontal = horizontal;
return e;
}
UIElement *
UIElement_label_new (const char *text)
Widget *
Widget_label_new (const char *text)
{
UIElement *e = ui_el_new_internal (UI_KIND_LABEL);
Widget *e = ui_el_new_internal (UI_KIND_LABEL);
e->label.text = g_string_new (text);
glm_vec4_one (e->label.text_color);
return e;
}
void
UIElement_set_on_tick (UIElement *element,
void (*on_tick) (struct UIElement *self, void *userdata),
Widget_set_on_tick (Widget *element,
void (*on_tick) (struct Widget *self, void *userdata),
void *userdata)
{
element->on_tick = on_tick;
@@ -58,8 +64,8 @@ UIElement_set_on_tick (UIElement *element,
}
void
UIElement_set_on_left_click (UIElement *element,
void (*on_left_click) (struct UIElement *, void *),
Widget_set_on_left_click (Widget *element,
void (*on_left_click) (struct Widget *, void *),
void *userdata)
{
element->on_left_click = on_left_click;
@@ -67,38 +73,38 @@ UIElement_set_on_left_click (UIElement *element,
}
void
UIElement_set_background_color (UIElement *element, float r, float g, float b, float a)
Widget_set_background_color (Widget *element, float r, float g, float b, float a)
{
glm_vec4_copy ((vec4) { r, g, b, a }, element->background_color);
}
void
UIElement_set_hover_background_color (UIElement *element, float r, float g, float b, float a)
Widget_set_hover_background_color (Widget *element, float r, float g, float b, float a)
{
glm_vec4_copy ((vec4) { r, g, b, a }, element->hover_background_color);
}
void
UIElement_set_position (UIElement *element, float x, float y)
Widget_set_position (Widget *element, float x, float y)
{
glm_vec2_copy ((vec2) { x, y }, element->position);
}
void
UIElement_set_scale (UIElement *element, float x, float y)
Widget_set_scale (Widget *element, float x, float y)
{
glm_vec2_copy ((vec2) { x, y }, element->scale);
}
void
UIElement_add_child (UIElement *parent, UIElement *child)
Widget_add_child (Widget *parent, Widget *child)
{
child->parent = parent;
g_array_append_val (parent->children, child);
}
void
UIElement_label_render_text (UIElement *element, mat3 parent_model)
Widget_label_render_text (Widget *element, mat3 parent_model)
{
mat3 model;
glm_mat3_copy (parent_model, model);
@@ -135,7 +141,7 @@ UIElement_label_render_text (UIElement *element, mat3 parent_model)
}
void
UIContainer_layout (UIElement *element)
UIContainer_layout (Widget *element)
{
if (element->children->len == 0)
{
@@ -148,7 +154,7 @@ UIContainer_layout (UIElement *element)
for (guint i = 0; i < element->children->len; ++i)
{
UIElement *child = g_array_index (element->children, UIElement *, i);
Widget *child = g_array_index (element->children, Widget *, i);
if (element->container.horizontal)
{
@@ -164,7 +170,7 @@ UIContainer_layout (UIElement *element)
}
void
UIElement_render_with_model (UIElement *element, mat3 parent_model)
Widget_render_with_model (Widget *element, mat3 parent_model)
{
if (!element->visible)
{
@@ -202,18 +208,18 @@ UIElement_render_with_model (UIElement *element, mat3 parent_model)
if (element->kind == UI_KIND_LABEL)
{
/* Here, we additionally render the text. */
UIElement_label_render_text (element, model);
Widget_label_render_text (element, model);
}
for (guint i = 0; i < element->children->len; ++i)
{
UIElement *child = g_array_index (element->children, UIElement *, i);
UIElement_render_with_model (child, model);
Widget *child = g_array_index (element->children, Widget *, i);
Widget_render_with_model (child, model);
}
}
static gboolean
UIElement_hit_test (UIElement *element, mat3 parent_model, vec2 point)
Widget_hit_test (Widget *element, mat3 parent_model, vec2 point)
{
mat3 model;
glm_mat3_copy (parent_model, model);
@@ -229,8 +235,8 @@ UIElement_hit_test (UIElement *element, mat3 parent_model, vec2 point)
return local[0] >= -1.0f && local[0] <= 1.0f && local[1] >= -1.0f && local[1] <= 1.0f;
}
UIElement *
UIElement_find_xy (UIElement *element, mat3 parent_model, vec2 mouse_ui_pos)
Widget *
Widget_find_xy (Widget *element, mat3 parent_model, vec2 mouse_ui_pos)
{
mat3 model;
glm_mat3_copy (parent_model, model);
@@ -239,20 +245,20 @@ UIElement_find_xy (UIElement *element, mat3 parent_model, vec2 mouse_ui_pos)
for (int i = element->children->len - 1; i >= 0; --i)
{
UIElement *child = g_array_index (element->children, UIElement *, i);
UIElement *hit = UIElement_find_xy (child, model, mouse_ui_pos);
Widget *child = g_array_index (element->children, Widget *, i);
Widget *hit = Widget_find_xy (child, model, mouse_ui_pos);
if (hit)
return hit;
}
if (element->kind != UI_KIND_ROOT && UIElement_hit_test (element, parent_model, mouse_ui_pos))
if (element->kind != UI_KIND_ROOT && Widget_hit_test (element, parent_model, mouse_ui_pos))
return element;
return NULL;
}
void
UIElement_tick (UIElement *element)
Widget_tick (Widget *element)
{
if (element->on_tick)
{
@@ -261,13 +267,13 @@ UIElement_tick (UIElement *element)
for (guint i = 0; i < element->children->len; ++i)
{
UIElement *child = g_array_index (element->children, UIElement *, i);
UIElement_tick (child);
Widget *child = g_array_index (element->children, Widget *, i);
Widget_tick (child);
}
}
void
UIElement_render (UIElement *element)
Widget_render (Widget *element)
{
last_program = -1;
@@ -279,18 +285,18 @@ UIElement_render (UIElement *element)
glBindTexture (GL_TEXTURE_2D, 0);
mat3 identity = GLM_MAT3_IDENTITY_INIT;
UIElement_render_with_model (element, identity);
Widget_render_with_model (element, identity);
}
}
void
UIElement_label_set_text (UIElement *element, const char *text)
Widget_label_set_text (Widget *element, const char *text)
{
g_string_overwrite (element->label.text, 0, text);
}
void
UIElement_label_printf (UIElement *element, const char *format, ...)
Widget_label_printf (Widget *element, const char *format, ...)
{
va_list args;
va_start (args, format);
@@ -299,21 +305,21 @@ UIElement_label_printf (UIElement *element, const char *format, ...)
}
void
uicb_label_show_int (UIElement *element, void *userdata)
uicb_label_show_int (Widget *element, void *userdata)
{
int *value = userdata;
UIElement_label_printf (element, "%d", *value);
Widget_label_printf (element, "%d", *value);
}
void
uicb_label_show_float (UIElement *element, void *userdata)
uicb_label_show_float (Widget *element, void *userdata)
{
float *value = userdata;
UIElement_label_printf (element, "%3.2f", *value);
Widget_label_printf (element, "%3.2f", *value);
}
void
uicb_flag_switch (UIElement *element, void *userdata)
uicb_flag_switch (Widget *element, void *userdata)
{
UNUSED (element);
char *flag = userdata;
@@ -321,7 +327,7 @@ uicb_flag_switch (UIElement *element, void *userdata)
}
void
uicb_debug (UIElement *element, void *userdata)
uicb_debug (Widget *element, void *userdata)
{
UNUSED (element);
char *text = userdata;
+84
View File
@@ -0,0 +1,84 @@
#pragma once
#include <glib-2.0/glib.h>
#include <cglm/cglm.h>
#include "../util.h"
#include "../resources.h"
#include "../flags.h"
#include "../gl/mesh.h"
#include "../gl/program.h"
typedef enum UIKind
{
UI_KIND_ROOT,
UI_KIND_CONTAINER,
UI_KIND_LABEL
} UIKind;
typedef struct UIContainer
{
gboolean horizontal;
} UIContainer;
typedef struct UILabel
{
vec4 text_color;
GString *text;
enum { ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT } alignment;
} UILabel;
typedef struct Widget
{
UIKind kind;
struct Widget *parent;
GArray *children;
vec2 position;
vec2 scale;
vec4 background_color, hover_background_color;
unsigned int texture;
gboolean visible;
gboolean hovered;
void (*on_left_click) (struct Widget *, void *);
void *left_click_data;
void (*on_right_click) (struct Widget *, void *);
void *right_click_data;
void (*on_tick) (struct Widget *, void *);
void *tick_data;
union {
UIContainer container;
UILabel label;
};
} Widget;
void ui_element_mesh_init ();
Widget *Widget_root_new ();
Widget *Widget_container_new (gboolean horizontal);
Widget *Widget_label_new (const char *text);
void Widget_add_child (Widget *parent, Widget *child);
void Widget_set_on_left_click (Widget *element, void (*on_left_click) (struct Widget *, void *), void *userdata);
void Widget_set_on_tick (Widget *element, void (*on_tick) (struct Widget *, void *), void *userdata);
void Widget_set_background_color (Widget *element, float r, float g, float b, float a);
void Widget_set_hover_background_color (Widget *element, float r, float g, float b, float a);
void Widget_set_position (Widget *element, float x, float y);
void Widget_set_scale (Widget *element, float x, float y);
Widget *Widget_find_xy (Widget *element, mat3 parent_model, vec2 mouse_ui_pos);
void Widget_tick (Widget *element);
void Widget_render (Widget *element);
void Widget_label_set_text (Widget *element, const char *text);
void Widget_label_printf (Widget *element, const char *format, ...);
void uicb_label_show_int (Widget *element, void *userdata);
void uicb_label_show_float (Widget *element, void *userdata);
void uicb_flag_switch (Widget *element, void *userdata);
void uicb_debug (Widget *element, void *userdata);