259 lines
6.3 KiB
C
259 lines
6.3 KiB
C
#ifdef _WIN32
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#include <windows.h>
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void win_install(void);
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#endif
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#include "mupdf/fitz.h"
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#include "mupdf/ucdn.h"
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#include "mupdf/pdf.h" /* for pdf specifics and forms */
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#ifndef __APPLE__
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#include <GL/freeglut.h>
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#else
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#include <GLUT/glut.h>
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#endif
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/* UI */
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enum
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{
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/* regular control characters */
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KEY_ESCAPE = 27,
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KEY_ENTER = '\r',
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KEY_TAB = '\t',
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KEY_BACKSPACE = '\b',
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KEY_DELETE = 127,
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KEY_CTL_A = 'A' - 64,
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KEY_CTL_B, KEY_CTL_C, KEY_CTL_D, KEY_CTL_E, KEY_CTL_F,
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KEY_CTL_G, KEY_CTL_H, KEY_CTL_I, KEY_CTL_J, KEY_CTL_K, KEY_CTL_L,
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KEY_CTL_M, KEY_CTL_N, KEY_CTL_O, KEY_CTL_P, KEY_CTL_Q, KEY_CTL_R,
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KEY_CTL_S, KEY_CTL_T, KEY_CTL_U, KEY_CTL_V, KEY_CTL_W, KEY_CTL_X,
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KEY_CTL_Y, KEY_CTL_Z,
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/* reuse control characters > 127 for special keys */
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KEY_INSERT = 128,
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KEY_PAGE_UP,
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KEY_PAGE_DOWN,
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KEY_HOME,
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KEY_END,
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KEY_LEFT,
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KEY_UP,
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KEY_RIGHT,
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KEY_DOWN,
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KEY_F1,
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KEY_F2,
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KEY_F3,
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KEY_F4,
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KEY_F5,
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KEY_F6,
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KEY_F7,
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KEY_F8,
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KEY_F9,
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KEY_F10,
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KEY_F11,
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KEY_F12,
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};
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enum side { ALL, T, R, B, L };
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enum fill { NONE = 0, X = 1, Y = 2, BOTH = 3 };
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enum anchor { CENTER, N, NE, E, SE, S, SW, W, NW };
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struct layout
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{
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enum side side;
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enum fill fill;
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enum anchor anchor;
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int padx, pady;
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};
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struct ui
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{
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int window_w, window_h;
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int x, y;
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int down, down_x, down_y;
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int middle, middle_x, middle_y;
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int right, right_x, right_y;
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int scroll_x, scroll_y;
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int key, mod, plain;
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int grab_down, grab_middle, grab_right;
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const void *hot, *active, *focus;
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int last_cursor, cursor;
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int fontsize;
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int baseline;
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int lineheight;
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int gridsize;
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struct layout *layout;
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fz_irect *cavity;
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struct layout layout_stack[32];
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fz_irect cavity_stack[32];
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int overlay;
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GLuint overlay_list;
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void (*dialog)(void);
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};
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extern struct ui ui;
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void ui_init(int w, int h, const char *title);
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void ui_quit(void);
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void ui_invalidate(void);
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void ui_finish(void);
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void ui_set_clipboard(const char *buf);
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const char *ui_get_clipboard(void);
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void ui_init_fonts(void);
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void ui_finish_fonts(void);
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void ui_draw_string(float x, float y, const char *str);
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void ui_draw_string_part(float x, float y, const char *s, const char *e);
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void ui_draw_character(float x, float y, int c);
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float ui_measure_character(int ucs);
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float ui_measure_string(const char *str);
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float ui_measure_string_part(const char *s, const char *e);
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struct line { char *a, *b; };
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int ui_break_lines(char *a, struct line *lines, int nlines, int width, int *maxwidth);
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void ui_draw_lines(float x, float y, struct line *lines, int n);
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struct texture
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{
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GLuint id;
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int x, y, w, h;
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float s, t;
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};
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void ui_texture_from_pixmap(struct texture *tex, fz_pixmap *pix);
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void ui_draw_image(struct texture *tex, float x, float y);
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enum
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{
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UI_INPUT_NONE = 0,
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UI_INPUT_EDIT = 1,
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UI_INPUT_ACCEPT = 2,
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};
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struct input
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{
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char text[16*1024];
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char *end, *p, *q;
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int scroll;
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};
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struct list
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{
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fz_irect area;
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int scroll_y;
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int item_y;
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int is_tree;
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};
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void ui_begin(void);
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void ui_end(void);
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int ui_mouse_inside(fz_irect area);
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void ui_layout(enum side side, enum fill fill, enum anchor anchor, int padx, int pady);
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fz_irect ui_pack_layout(int slave_w, int slave_h, enum side side, enum fill fill, enum anchor anchor, int padx, int pady);
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fz_irect ui_pack(int slave_w, int slave_h);
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int ui_available_width(void);
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int ui_available_height(void);
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void ui_pack_push(fz_irect cavity);
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void ui_pack_pop(void);
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void ui_dialog_begin(int w, int h);
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void ui_dialog_end(void);
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void ui_panel_begin(int w, int h, int padx, int pady, int opaque);
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void ui_panel_end(void);
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void ui_spacer(void);
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void ui_splitter(int *x, int min, int max, enum side side);
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void ui_label(const char *fmt, ...);
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void ui_label_with_scrollbar(char *text, int width, int height, int *scroll);
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int ui_button(const char *label);
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int ui_checkbox(const char *label, int *value);
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int ui_slider(int *value, int min, int max, int width);
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int ui_select(const void *id, const char *current, const char *options[], int n);
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void ui_input_init(struct input *input, const char *text);
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int ui_input(struct input *input, int width, int height);
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void ui_scrollbar(int x0, int y0, int x1, int y1, int *value, int page_size, int max);
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void ui_tree_begin(struct list *list, int count, int req_w, int req_h, int is_tree);
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int ui_tree_item(struct list *list, const void *id, const char *label, int selected, int depth, int is_branch, int *is_open);
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void ui_tree_end(struct list *list);
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void ui_list_begin(struct list *list, int count, int req_w, int req_h);
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int ui_list_item(struct list *list, const void *id, const char *label, int selected);
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void ui_list_end(struct list *list);
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int ui_popup(const void *id, const char *label, int is_button, int count);
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int ui_popup_item(const char *title);
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void ui_popup_end(void);
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void ui_init_open_file(const char *dir, int (*filter)(const char *fn));
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int ui_open_file(char filename[]);
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void ui_init_save_file(const char *path, int (*filter)(const char *fn));
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int ui_save_file(char filename[], void (*extra_panel)(void));
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void ui_show_warning_dialog(const char *fmt, ...);
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void ui_show_error_dialog(const char *fmt, ...);
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/* Theming */
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enum
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{
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UI_COLOR_PANEL = 0xc0c0c0,
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UI_COLOR_BUTTON = 0xc0c0c0,
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UI_COLOR_SCROLLBAR = 0xdfdfdf,
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UI_COLOR_TEXT_BG = 0xffffff,
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UI_COLOR_TEXT_FG = 0x000000,
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UI_COLOR_TEXT_SEL_BG = 0x000080,
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UI_COLOR_TEXT_SEL_FG = 0xffffff,
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UI_COLOR_BEVEL_1 = 0x000000,
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UI_COLOR_BEVEL_2 = 0x808080,
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UI_COLOR_BEVEL_3 = 0xdfdfdf,
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UI_COLOR_BEVEL_4 = 0xffffff,
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};
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void glColorHex(unsigned int hex);
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void ui_draw_bevel(fz_irect area, int depressed);
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void ui_draw_ibevel(fz_irect area, int depressed);
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void ui_draw_bevel_rect(fz_irect area, unsigned int fill, int depressed);
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void ui_draw_ibevel_rect(fz_irect area, unsigned int fill, int depressed);
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/* App */
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extern fz_context *ctx;
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extern pdf_document *pdf;
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extern pdf_page *page;
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extern fz_stext_page *page_text;
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extern pdf_annot *selected_annot;
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extern fz_matrix draw_page_ctm, view_page_ctm, view_page_inv_ctm;
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extern fz_rect page_bounds, draw_page_bounds, view_page_bounds;
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extern fz_irect view_page_area;
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extern char filename[];
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extern int showform;
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extern int showannotate;
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extern int reloadrequested;
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void toggle_annotate();
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void run_main_loop(void);
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void do_annotate_panel(void);
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void do_annotate_canvas(fz_irect canvas_area);
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void do_widget_panel(void);
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void do_widget_canvas(fz_irect canvas_area);
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void load_page(void);
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void render_page(void);
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void update_title(void);
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void reload(void);
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void do_save_pdf_file(void);
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